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# Search Results: "trigonometry problems and solutions examples"

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• 06:01

### Examples Algebraically Analyzing Solutions To Systems

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Algebraically analyzing solutions to systems

• 03:58

### Basic Trigonometry - Practice Quiz

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Learn basic trigonometry with this fun interactive math quiz. You can skip questions by clicking on the time stamps below. I also provided the solutions to every question. Solution #1: https://www.youtube.com/watch?v=w-4d-IpJmRg Solution #2: https://www.y

• 05:23

### Basic Trigonometry - Word Problem #2

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Learn basic trigonometry with this easy to follow example. I also provided the links for other basic trigonometry videos as well. Basic trigonometry quiz: https://www.youtube.com/watch?v=IGV1XufPd6E Basic Trigonometry Practice Question #1: https://www.you

• 04:21

### Basic Trigonometry - Word Problem

338 views / 0 likes - added

Learn basic trigonometry with this easy to follow example. I also provided the links for other basic trigonometry videos as well. Basic trigonometry quiz: https://www.youtube.com/watch?v=IGV1XufPd6E Basic Trigonometry Practice Question #1: https://www.you

• 04:29

### Basic Trigonometry - Practice Question #3

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Learn basic trigonometry with this easy to follow example. I also provided the links for other basic trigonometry videos as well. Basic trigonometry quiz: https://www.youtube.com/watch?v=IGV1XufPd6E Basic Trigonometry Practice Question #1: https://www.you

• 04:41

### Basic Trigonometry - Practice Question #2

365 views / 0 likes - added

Learn basic trigonometry with this easy to follow example. I also provided the links for other basic trigonometry videos as well. Basic trigonometry quiz: https://www.youtube.com/watch?v=IGV1XufPd6E Basic Trigonometry Practice Question #1: https://www.you

• 07:06

### Basic Trigonometry - Practice Question #1

362 views / 0 likes - added

Learn basic trigonometry with this easy to follow example. I also provided the links for other basic trigonometry videos as well. Basic trigonometry quiz: https://www.youtube.com/watch?v=IGV1XufPd6E Basic Trigonometry Practice Question #2: https://www.you

• 04:37

418 views / 0 likes - added

Understand the connection between decimals and fractions using a grid diagram. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-decimals/cc-4th-decimal-fractions/e/fraction-decimal-in

• 09:17

### Basic Trigonometry

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Introduction to trigonometry More free lessons at: http://www.khanacademy.org/video?v=Jsiy4TxgIME

• 15:14

### IIT JEE Trigonometry Problem 1

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2010 IIT JEE Paper I #29 Trigonometry problem More free lessons at: http://www.khanacademy.org/video?v=X7GT9JKoAbo

• 10:57

### Extraneous Solutions for Radical Equations

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u16_l3_t1_we2 Extraneous Solutions for Radical Equations

• 05:06

### Solutions to Three Variable System

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u14 l3 t1 we4 Solutions to Three Variable System More free lessons at: http://www.khanacademy.org/video?v=145zOBT0LD4

• 05:48

### Visually Completing Solutions Of Systems Of Two Variables

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Visually completing solutions of systems of two variables

• 04:12

### Constraining Solutions To Two Variable Linear Inequalities

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Constraining solutions to two variable linear inequalities

• 13:57

### Suspensions, Colloids and Solutions

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Suspensions, Colloids and Solutions. The difference between Molarity and Molality. More free lessons at: http://www.khanacademy.org/video?v=3ROWXs3jtQU

• 05:06

### Ordered Pair Solutions of Equations

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u13 l1 t2 we3 Ordered Pair Solutions of Equations More free lessons at: http://www.khanacademy.org/video?v=SSNA9gaAOVc

• 11:10

### Extraneous Solutions to Radical Equations

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• 06:30

### Hypotonic, Isotonic And Hypertonic Solutions(tonicity)

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Hypotonic, isotonic and hypertonic solutions (tonicity). Seeing the effect of various types of solution on the direction of osmosis.

• 01:42

### How To Use Rounding in Math Problems

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How To Use Rounding in Math Problems. Part of the series: Math Problems. In certain math problems rounding may actually make finding a solution easier and more clear. Use rounding in math problems with help from a mathematics educator in this free video c

• 01:15

### Testing Solutions for a System of Inequalities

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u14_l1_t2_we2 Testing Solutions for a System of Inequalities More free lessons at: http://www.khanacademy.org/video?v=XzYNh2wpO0A Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 03:03

### Extraneous Solutions to Rational Equations

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u15_l2_t1_we2 Extraneous Solutions to Rational Equations More free lessons at: http://www.khanacademy.org/video?v=bml74_PsfwA Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 04:37

### Discriminant for Types of Solutions for a Quadratic

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u16_l5_t2_we4 Discriminant for Types of Solutions for a Quadratic More free lessons at: http://www.khanacademy.org/video?v=1213qW5k55I Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 01:52

### Three Solutions! Can You Find Them? (math trick with answers)

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★★ Please LIKE if you found at least ONE solution!! ★★ This is an impossible equation, because 6+4 is clearly not 4... BUT there are three solutions to this equation by moving just ONE matchstick. Can you find all three solutions? I am curious to see how

• 04:01

### Got Some Solutions?: Crash Course Kids #26.1

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So, there might not be just one solution to a problem. I know that may sound weird, but it's true. So, how do you come up with multiple solutions? In this episode of Crash Course Kids, Engineer Sabrina shows us how to do that. Watch More Crash Course Kids

• 02:27

### Checking Ordered Pair Solutions To Equations Example 2 | Algebra I | Khan Academy

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Second example of ordered pair solutions Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/solutions-to-two-var-linear-equations/e/plugging_in_values?utm_so

• 02:35

### Checking Ordered Pair Solutions To Equations Example 1 | Algebra I | Khan Academy

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Checking ordered pair solutions to equations Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/solutions-to-two-var-linear-equations/e/plugging_in_values?ut

• 05:16

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• 06:37

### Equivalent Vectors Examples

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Equivalent vectors examples

• 06:58

### Arc Measure With Equations Examples

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Arc measure with equations examples

• 11:02

### Chiral Examples 1

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Chiral Examples 1 More free lessons at: http://www.khanacademy.org/video?v=0XSSPow5oAc

• 10:19

### Chiral Examples 2

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Chiral Examples 2 More free lessons at: http://www.khanacademy.org/video?v=QQMZ1ljepWg

• 10:44

### Snell's Law Examples 1

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Snell's Law Examples 1 More free lessons at: http://www.khanacademy.org/video?v=HahjsBApxLE

• 07:11

### Graphing Solutions To Two-variable Linear Equations Example 2 | Algebra I | Khan Academy

458 views / 0 likes - added

Graphing solutions to 2 variable linear equations Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/solutions-to-two-var-linear-equations/e/graphing-solutio

• 08:59

### More Organic Chemistry Naming Examples 1

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More Organic Chemistry Naming Examples 1

• 07:48

### Organic Chemistry Naming Examples 4

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Organic Chemistry Naming Examples 4

• 09:58

### Two more examples of solving rational equations

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Two more examples of solving rational equations

• 07:14

### Examples Of Finding The Domain Of A Function

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Examples of finding the domain of a function

• 04:24

### Examples Evaluating Piecewise Functions

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Examples evaluating piecewise functions

• 04:37

### Tangents Of Circles Exercise Examples

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Tangents of circles exercise examples

• 07:21

### Correlation Coefficient Intuition Examples

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Correlation coefficient intuition examples

• 06:42

### More Examples Finding Vector Angles

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More examples finding vector angles

• 05:42

### Examples of null and alternative hypotheses

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Examples of null and alternative hypotheses

• 08:27

### Naming Alkenes Examples

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Naming Alkenes Examples More free lessons at: http://www.khanacademy.org/video?v=KWv5PaoHwPA

• 07:22

### More Exponential Decay Examples

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A few more examples of exponential decay. More free lessons at: http://www.khanacademy.org/video?v=Hqzakjo_dYg

• 09:36

### Convex Lens Examples

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Convex Lens Examples More free lessons at: http://www.khanacademy.org/video?v=xxF_mdoZom0

• 07:32

### Examples Interpreting Graphs Of Proportional Relationships

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Examples interpreting graphs of proportional relationships

• 05:55

### Worked Examples From Solving Systems Graphically

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Worked examples from solving systems graphically

• 04:53

### Examples From Understanding Scalar Multiplication Exercise

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Examples from understanding scalar multiplication exercise

• 10:26

### Organic Chemistry Naming Examples 2

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Organic Chemistry Naming Examples 2 More free lessons at: http://www.khanacademy.org/video?v=CJRQ8gOjq4E

• 08:11

### Organic Chemistry Naming Examples 3

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Organic Chemistry Naming Examples 3 More free lessons at: http://www.khanacademy.org/video?v=Se-ekDNhCDk

• 10:04

### Organic Chemistry Naming Examples 5

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Organic Chemistry Naming Examples 5 More free lessons at: http://www.khanacademy.org/video?v=6BR0Q5e74bs

• 17:52

### Linear Transformation Examples: Rotations in R2

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Linear Transformation Examples: Rotations in R2 More free lessons at: http://www.khanacademy.org/video?v=lPWfIq5DzqI

• 09:56

### Probability 1 Module Examples

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Basic probability examples (the type seen in the probability 1 module) More free lessons at: http://www.khanacademy.org/video?v=mLE-SlOZToc

• 06:32

### Examples Analyzing Clusters, Gaps, Peaks And Outliers For Distributions

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Examples analyzing clusters, gaps, peaks and outliers for distributions

• 06:04

### Entgegen-Zusammen Naming Scheme for Alkenes Examples

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Entgegen-Zusammen Naming Scheme for Alkenes Examples More free lessons at: http://www.khanacademy.org/video?v=GFiizJ-jGVw

• 08:21

### Solutions: Crash Course Chemistry #27

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This week, Hank elaborates on why Fugu can kill you by illustrating the ideas of solutions and discussing molarity, molality, and mass percent. Also, why polar solvents dissolve polar solutes, and nonpolar solvents dissolve nonpolar solutes. All that plus

• 04:55

### Solve the right triangle - Trigonometry Brain Teaser

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A square is inside of a right triangle. The length of each side of the triangle is 3-4-5. Given this information what are the dimensions of the square? Can you solve this right triangle? My name is Chris and my passion is to teach math. Learning should ne

• 13:34

### Water and Solutions -- for Dirty Laundry: Crash Course Chemistry #7

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Dihydrogen monoxide (better know as water) is the key to nearly everything. It falls from the sky, makes up 60% of our bodies, and just about every chemical process related to life takes place with it or in it. Without it, none of the chemical reactions t

• 04:42

### How To Write Algebraic Expressions From Word Problems | 6th Grade | Khan Academy

626 views / 0 likes - added

Learn how to write expressions with variables to describe situations described in word problems. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-expressions-and-variables/cc-6th-alg-e

• 04:13

### Adults Stumped By Geometry Problems For 10 Year Olds. Can You Solve Them?

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These homework problems were given to 10 year old children (Year 5) in England (Glossop, Derbyshire) and they were posted to Facebook when some adults found them to be difficult. One person claimed the problems were impossible to solve. Can you figure the

• 06:36

### Arc Measure Example Problems

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Arc measure example problems

• 14:15

### Percent Problems

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Percent Problems from Chapter 3 of ck12.org Algebra I textbook

• 02:03

### Fraction word problems 1 (ex 4)

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Fraction word problems 1 (ex 4)

• 01:42

### Fraction word problems 1 (ex 3)

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Fraction word problems 1 (ex 3)

• 01:04

### Fraction word problems 1 (ex 2)

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Fraction word problems 1 (ex 2)

• 01:48

### Fraction word problems 1 (ex 1)

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Fraction word problems 1 (ex 1)

• 08:45

### Basic Trigonometry

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An introduction to trigonometric functions: sine, cosine, and tangent.

• 05:56

### Basic Trigonometry II

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Another example of figuring out the sine, cosine, and tangent of an angle in a right triangle

• 03:34

### The BIG Problems With The Human Body ft. TierZoo

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Are humans REALLY OP? There are some major issues that need to be worked out. TierZoo helps discuss the problems of the human body.Watch TierZoo: https://www.youtube.com/TierZooMeet The Life Noggin Team!Director/Voice - Pat Graziosi: http://twitter.com/Pa

• 05:05

### Solving Ratio Problems With Tables Example 1 | Pre-Algebra | Khan Academy

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We're displaying ratios in a table format here, and then asking: given a ratio, solve for equivalent ratios. Here are a few examples to practice on. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/r

• 02:45

### Mixture problems 1

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U06_L2_T2_we1 Mixture problems 1 Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 02:13

### Multiplying Fractions Word Problems (ex 1)

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Multiplying Fractions Word Problems (ex 1)

• 16:49

### Dimensional Analysis 3: Examples and Practice for Converting Units

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Craig Beals continues his explanation of dimensional analysis with some simple practice problems. Dimensional analysis is one of the most important science-math topics because it is usable in every aspect of science.

• 06:44

### Mixture problems 2

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U06_L2_T2_we2 Mixture problems 2 More free lessons at: http://www.khanacademy.org/video?v=OBVGQt1Eeug Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 04:07

### Mixture problems 3

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U06_L2_T2_we3 Mixture problems 3 More free lessons at: http://www.khanacademy.org/video?v=JVlfQEhzLMM Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 03:55

### Interpreting Function Graphs Word Problems

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Interpreting function graphs word problems

• 16:29

### Trigonometry - Easy to understand 3D animation

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IMPORTANT CORRECTION: The proper way to write the law of cosines is C^2 = A^2 +B^2 - 2AB cos(Ψ)

• 04:37

### Solving Percent Problems 2

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U05_L2_T1_we2 Solving Percent Problems 2 More free lessons at: http://www.khanacademy.org/video?v=N4kDzoQOngY Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 05:27

### Solving Percent Problems 3

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U05_L2_T1_we3 Solving Percent Problems 3 More free lessons at: http://www.khanacademy.org/video?v=DAikW24_O0A Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 05:59

### Systems and rate problems

374 views / 0 likes - added

U06_L2_T1_we1 Systems and rate problems More free lessons at: http://www.khanacademy.org/video?v=at4T4n4JYNc Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 10:05

### Systems and rate problems 2

320 views / 0 likes - added

U06_L2_T1_we2 Systems and rate problems 2 More free lessons at: http://www.khanacademy.org/video?v=H5w55UbIZTw Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 04:56

### Systems and rate problems 3

355 views / 0 likes - added

U06_L2_T1_we3 Systems and rate problems 3 More free lessons at: http://www.khanacademy.org/video?v=hTBQUibtnBk Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 06:55

### Place Value For Decimals Greater Than One (examples) | 4th Grade | Khan Academy

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Understand decimal numbers that are greater than 1. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-decimals/cc-4th-decimals-greater-than-one/e/decimals-greater-than-one-intuition?ut

• 06:17

### The Fermi Paradox II — Solutions And Ideas – Where Are All The Aliens?

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Where are all the aliens? The universe is too big and too old, why have we not met aliens yet? Do they live in computers? Were they wiped out by an ancient super intelligence? Or are we just to primitive to understand their motives? Whatever the answer is

• 02:02

### Application problems with equation in one variable

336 views / 0 likes - added

u10_l1_t3_we2 Application problems with equation in one variable More free lessons at: http://www.khanacademy.org/video?v=iimpwYBiKNg Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 04:08

### Plotting Decimal Numbers On A Number Line (examples) | Khan Academy

381 views / 0 likes - added

Learn how to find decimals with hundredths on a number line. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-decimals/cc-4th-decimals-number-line/e/decimals_on_the_number_line_2?utm_

• 07:08

### Application problems involving units of weight

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U06_L1_T2_we3 Application problems involving units of weight More free lessons at: http://www.khanacademy.org/video?v=gnCL_0uA6Ds Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 03:23

### Comparison Word Problems | Addition And Subtraction Within 20 | Early Math | Khan Academy

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• 03:29

### Solving application problems involving units of volume

364 views / 0 likes - added

U06_L1_T3_we3 Solving application problems involving units of volume More free lessons at: http://www.khanacademy.org/video?v=KgoXx_58QyQ Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 13:00

### Problems with Zero - Numberphile

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Dividing by zero, zero divided by zero and zero to the power of zero - all pose problems! Numberphile on Facebook: http://www.facebook.com/numberphile Numberphile tweets: https://twitter.com/numberphile This video features Matt Parker and James Grime - ht

• 03:09

### How To Write Basic Algebraic Expressions From Word Problems | 6th Grade | Khan Academy

439 views / 0 likes - added

Learn how to write basic expressions with variables to describe situations described in word problems. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-expressions-and-variables/cc-6th

• 04:32

### Math Word problems - Solving triangles

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Become an expert in solving math word problems! In this problem you will learn how to use triangles to solve the height of a building. A man steps back 50 feet which the angle to the top of the building change 15 degrees. Using this information find the h

• 12:49

### Scientific Notation Examples | Pre-Algebra | Khan Academy

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• 12:51

### Big Data Problems: Crash Course Statistics #39

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There is a lot of excitement around the field of Big Data, but today we want to take a moment to look at some of the problems it creates. From questions of bias and transparency to privacy and security concerns, there is still a lot to be done to manage t

• 02:57

### Reading Bar Graph Examples | Measurement And Data | Early Math | Khan Academy

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• 01:43

### Solving Problems With Bar Graphs 2 | Measurement And Data | Early Math | Khan Academy

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• 01:48

### Hospitals are running out of baking soda solutions

335 views / 0 likes - added

The shortage of baking soda solution is hitting hospitals nationwide and life-saving operations are being put on hold, the New York Times reports. A hospital in Alabama recently postponed seven open-heart operations and one doctor said that he tried mixin

• 02:15

### Scientists Get Creative When Solving Problems

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5 creative ways scientists have solved problems inside and outside the lab. Subscribe to our new channel, INSIDER food: http://insder.co/2kWwBKZ The INSIDER team believes that life is an adventure! Subscribe to our channel and visit us at: https://thisisi

• 02:12

### Fewer Word Problems | Addition And Subtraction Within 100 | Early Math | Khan Academy

445 views / 0 likes - added

• 14:11

### The Mole 4 - Converting Mass to Atoms: Practice Problems

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Craig Beals from Beals Science explains how to convert between mass in grams to atoms using the mole. The video includes molar mass, Avogadro's number, converting and mole practice problems. To learn more visit: http://www.BealsScience.com For the previou

• 05:50

### Length Word Problems | Measurement And Data | Early Math | Khan Academy

442 views / 0 likes - added

• 04:28

### Adding And Subtracting On Number Line Word Problems | Early Math | Khan Academy

437 views / 0 likes - added

• 01:34

### Solving Ratio Problems With Graph | Pre-Algebra | Khan Academy

458 views / 0 likes - added

In this example we'll plot points on the x and y axis to reflect the given ratios. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/rates-and-ratios/ratios_and_proportions/e/solving-ratio-problems-wi

• 08:34

### LCM And GCF Word Problems | Factors And Multiples | Pre-Algebra | Khan Academy

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Here we have a couple of word problems--one searching for the least common multiple and the other for the greatest common factor. Just read them with us slowly and follow along. You'll get it. Practice this lesson yourself on KhanAcademy.org right now: ht

• 04:51

### How to solve problems like a designer

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The design process for problem-solving, in 4 steps. Subscribe to our channel! http://goo.gl/0bsAjO Many thanks to Tim Brown and TED for this interview we recorded at TED 2017. IDEO is an international design company founded in 1991. In the beginning, IDEO

• 02:53

### More Word Problems | Addition And Subtraction Within 100 | Early Math | Khan Academy

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• 13:30

### IP Problems, YouTube, And The Future: Crash Course Intellectual Property #7

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In which Stan Muller talks about some of the problems in Intellectual Property law as it exists today. He'll also teach you a little about how IP law applies to everyone's favorite media platform, YouTube. Lastly, he'll do a little prognosticating, and tr

• 03:06

### Decimal Intuition With Grids (examples) | Decimals | 4th Grade | Khan Academy

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• 10:08

### FUNNY LONG, SHORT AND CURLY HAIR PROBLEMS || Relatable Situations And Fails by 123 GO!

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Which of these hair problems did you relate to most? Share this video with your friends who feel your pain. And, as always, dont forget to subscribe to 123 GO! YouTube page for more awesome content!#123GO #funny #failsMusic by Epidemic Sound: https://www.

• 01:52

### Werewolf Problems | Uncle Grandpa | Cartoon Network

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Strange things start happening when Uncle Grandpa installs a moon roof in the RV. CN GAMES: http://bit.ly/CNGames SUBSCRIBE: http://bit.ly/109Y6wq WATCH MORE: http://bit.ly/CNUncleGrandpa About Uncle Grandpa: Uncle Grandpa is everyone's "magical" uncle an

• 01:03

### Subtraction Word Problems Within 10 | Basic Addition And Subtraction | Early Math | Khan Academy

460 views / 0 likes - added

Learn how to solve word problems by subtracting small numbers (numbers 10 or less). Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-basics/cc-early-math-add-sub-word-problem-wit

• 01:42

### Addition Word Problems Within 10 | Basic Addition And Subtraction | Early Math | Khan Academy

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• 19:37

### Smart Math Techniques - Solve maths problems in seconds

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Topic In this topic our expert trainer Shruti explains how to solve difficult maths problems in a matter of seconds. OBJECTIVE To enable you to to do faster calculation using best speed maths techniques and make you score more in your exams. These speed m

• 01:14

### Can Namib Desert Beetles Help Us Solve Our Drought Problems? | Think Like A Tree

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Namib desert beetles live in an area with little ground water, so how is it that they have no trouble finding H2O? Find out how the resourceful insects use their wing scales to absorb water droplets from fog, and how we can use them as a model for combati

• 05:58

### Examples of Accounting for GDP

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Thinking about how different types of expenditures would be accounted for in GDP More free lessons at: http://www.khanacademy.org/video?v=BMNj7-Okclk

• 10:24

### 21 SMART LIFE HACKS FOR ANNOYING PROBLEMS

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FANTASTIC AND SMART HACKSWe all have those little things in life that simply tick us off, right? Even though these are small things, they can always somehow ruin your day! This is why weve prepared this video especially for you today, to show you creative

• 06:17

### Solving Percent Problems | Decimals | Pre-Algebra | Khan Academy

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We'll use algebra to solve this percent problem. Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/decimals-pre-alg/percent-word-probs-pre-alg/v/solving-percent-problems-2?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the

• 19:15

### Inverse Laplace Examples

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Using our toolkit to take some inverse Laplace Transforms More free lessons at: http://www.khanacademy.org/video?v=BbqbvSig6Mc

• 25:34

### Linear Algebra: Vector Examples

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Visually understanding basic vector operations More free lessons at: http://www.khanacademy.org/video?v=r4bH66vYjss

• 18:50

### Linear Algebra: Least Squares Examples

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An example using the least squares solution to an unsolvable system More free lessons at: http://www.khanacademy.org/video?v=8mAZYv5wIcE

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### Number Line 3 Exercise Examples

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• 15:13

### Linear Transformation Examples: Scaling and Reflections

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Creating scaling and reflection transformation matrices (which are diagonal) More free lessons at: http://www.khanacademy.org/video?v=qkfODKmZ-x4

• 18:14

### Linear Algebra: Matrix Product Examples

422 views / 0 likes - added

Example of taking the product of two matrices More free lessons at: http://www.khanacademy.org/video?v=x1z0hOyjapU

• 08:11

### 3 Incredible Examples of Evolution Hidden In Your Body

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Learn more about your personal DNA story by going to https://23andMe.com/okay Don't miss our next video! SUBSCRIBE! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ Humans are special, and we got that way thanks to evolution and natural sele

• 03:28

### Inequality Word Problems | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

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We're writing inequalities by using information from the word problems. Woohoo! Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/greater-than-less-than/e/writing-numeric

• 04:48

### Newton's 3rd law examples//Homemade Science with Bruce Yeany

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Newton's third law explains that for every force applied there is a second force that is equal in magnitude applied in the opposite direction Homemade science is a collection of classroom tested ideas, suggestions, projects, and experiments that I have us

• 07:35

### impulse examples///Homemade Science with Bruce Yeany

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Here are a few ideas that can help demonstrate how the amount of time that an accelerating force or a decelerating force is applied to an object will affect it's rate of motion. The result of force and time is an impulse. Homemade science is a collection

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### AWESOME HACKS TO SOLVE ALL YOUR PROBLEMS || New Girly Hacks by 123 GO!

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Listen up, ladies! Youve got a lot to worry about. From surprise messes, to brow blunders! Its like the problems never end! But dont stress. Weve got some game-changing girly hacks for the win!These girly hacks sure come in handy in a jam! Share this vide

• 02:36

### Counting By Tens Examples | Addition And Subtraction Within 100 | Early Math | Khan Academy

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### How We'll Solve Our Energy Problems

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"sparking and controlling a self-sustaining synthetic" - Raffi Khatchadourian Subscribe now! http://www.youtube.com/subscription_center?add_user=shotsofawe Thanks to the ITER Organization for the International Thermonuclear Experimental Reactor photo. Joi

• 04:07

### Solve Problems: Be An Engineer!

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Learn about engineers, who dream up a lot of the things you use every day, from toys to tools! ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome produc

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• 06:37

### The problems with rebuilding beaches

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Beach nourishment is the latest chapter in a never-ending tale of erosion. Subscribe to our channel! http://goo.gl/0bsAjO About 80 to 90 percent of sandy beaches along America's coastlines are eroding. This is a problem because the developments humans bui

• 02:49

### Ben 10 | Cat Problems | Cartoon Network

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A cat problem needs a cat solution! Ben must embrace his inner cat in order to get his new alien, Rath, under control. Episode: Rath of Con CN GAMES: http://cartn.co/ytgames SUBSCRIBE: http://cartn.co/subscribe ABOUT BEN 10: Why have one set of super powe

• 13:59

### 3 Perplexing Physics Problems

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Why does shaken soda explode? Does ice melt first in fresh or salt water?Thank you Squarespace for sponsoring this video. Go to https://squarespace.com to save 10% off your first purchase of a website or domain using code: VERITASIUMThis video features ex

• 07:58

### Are There Problems That Computers Can't Solve?

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All about Hilbert's Decision Problem, Turing's solution, and a machine that vanishes in a puff of logic. MORE BASICS: https://www.youtube.com/playlist?list=PL96C35uN7xGLLeET0dOWaKHkAlPsrkchaWritten with Sean Elliott https://twitter.com/SeanMElliott/Graphi

• 12:20

### Problem Solving Word Problems 2

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• 11:45

### Ideal Gas Problems: Crash Course Chemistry #13

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We don't live in a perfect world, and neither do gases - it would be great if their particles always fulfilled the assumptions of the ideal gas law, and we could use PV=nRT to get the right answer every time. Unfortunately, the ideal gas law (like our cul

• 11:00

### The Problems with Secret Santa - Numberphile

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Dr Hannah Fry discusses Secret Santa, anonymity and derangements. And a better way to do it. More Hannah on Numberphile: http://bit.ly/hannah_vids Hannah's co-written Xmas book: http://amzn.to/2g8mIn6 Hannah's love/math book: http://bit.ly/frylovebook Num

• 07:48

### ck12.org Normal Distribution Problems: z-score

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Z-score practice More free lessons at: http://www.khanacademy.org/video?v=Wp2nVIzBsE8

• 05:00 Popular

### H2O-NO! - Fresh Water Problems: Crash Course Kids #33.1

722 views / 2 likes - added

What happens to a single ecosystem when the amount of freshwater available in it changes? Not really much good. In this episode of Crash Course Kids, Sabrina talks about ecosystems and how one small change can lead to a cascade effect in the entire ecosys

• 26:19

### Minecraft PS4 - 20 Block Challenge - Portal Problems (21)

428 views / 1 likes - added

Welcome to the 20 block challenge. In this challenge I am trying unlock the platinum trophy on the Playstation 4 version while only ever placing down 20 blocks. Playlist - https://www.youtube.com/playlist?list=PLEZiAg2bYC7k_wayTLT-9bbwTp0wB5kQ1 Twitter -

• 02:12

### 8 easy ways to fix common iPhone problems

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Have a problem with your iPhone? Don't run to the Genius Bar just yet. There are tons of easy iPhone fixes you can handle yourself using common household items. Read more: http://www.businessinsider.com/sai FACEBOOK: https://www.facebook.com/techinsider T

• 14:03

### Tree Gaps and Orchard Problems - Numberphile

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Get 10% off at Squarespace: https://www.squarespace.com/numberphile This feature features Ben Sparks... More links & stuff in full description below ↓↓↓ Ben Sparks Twitter: https://twitter.com/SparksMaths More of Ben on Numberphile: https://youtu.be/ETrYE

• 10:25

### ck12.org Normal Distribution Problems: Empirical Rule

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Using the empirical rule (or 68-95-99.7 rule) to estimate probabilities for normal distributions More free lessons at: http://www.khanacademy.org/video?v=OhRr26AfFBU

• 05:33

### Right Triangle Word Problems — Harder Example | Math | New SAT | Khan Academy

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Watch Sal work through a harder Right triangle word problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s6-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the

• 03:52

### Right Triangle Word Problems — Basic Example | Math | New SAT | Khan Academy

407 views / 0 likes - added

Watch Sal work through a basic Right triangle word problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s2-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the

• 05:09

### Volume Word Problems — Harder Example | Math | New SAT | Khan Academy

375 views / 0 likes - added

Watch Sal work through a harder Volume word problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s2-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the previou

• 03:59

### Volume Word Problems — Basic Example | Math | New SAT | Khan Academy

412 views / 0 likes - added

Watch Sal work through a basic Volume word problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s1-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the previous

• 02:55

### Linear Equation Word Problems — Basic Example | Math | New SAT | Khan Academy

593 views / 0 likes - added

Watch Sal work through a basic Linear equations word problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-heart-of-algebra/v/sat-math-h2-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the prev

• 04:21

### How To Write One-step Equations For Word Problems | 6th Grade | Khan Academy

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Learn how to write basic equations to model real-world situations. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-equations-and-inequalities/cc-6th-super-yoga/e/equations-in-one-vari

• 09:40

### Quadratic And Exponential Word Problems — Harder Example | Math | New SAT | Khan Academy

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• 03:30 Popular

### Quadratic And Exponential Word Problems — Basic Example | Math | New SAT | Khan Academy

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• 03:13

### Simple robots form a chain gang to solve complex problems

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New way of coordinating bots could help with rescue missions Read more - https://scim.ag/2v4zn3s CREDITS -------------------- editor/animator/narrator Chris Burns supervising producer Sarah Crespi script Sarah Crespi Chris Burns Shandria Sutton citation L

• 10:05

### LONG AND SHORT NAIL PROBLEMS AND FUNNY SITUATIONS || Funniest Moments by 123 GO!

303 views / 1 likes - added

Love the look of long, colorful nails? They sure are elegant, but practical? Well that depends on who you ask. Today, were answering the age old question: whats better, long nails or short nails?Would you dare to rock long nails like the girls in the vide

• 10:53

### ck12.org Normal Distribution Problems: Qualitative sense of normal distributions

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Discussion of how "normal" a distribution might be More free lessons at: http://www.khanacademy.org/video?v=79duxPXpyKQ

• 14:08

### Small X Approximation For Large Kc

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Guidelines and worked examples for using the small x approximation to solve equilibrium problems with large Kc values

• 16:36

### 2003 AIME II Problem 11.avi

391 views / 0 likes - added

A little trigonometry to figure out the area of a triangle More free lessons at: http://www.khanacademy.org/video?v=smtrrefmC40

• 18:18

### 2003 AIME II Problem 14

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Trigonometry and geometry to find the area of an equilateral (but not regular) hexagon More free lessons at: http://www.khanacademy.org/video?v=Ec-BKdC8vOo

• 12:30

### The Mole 3 - Molar Mass

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Craig Beals from Beals Science explains how to calculate the molar mass of elements as well as the molar mass of compounds. Included are examples of using dimensional analysis to calculate mass of a certain number of moles as well as practice problems. To

• 01:39

### Subtracting / Subtraction Of Integers

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Subtracting / Subtraction of Integers. Here we look at some examples of subtracting integers. In these examples, we create a subtraction statement from a number line. For more free math videos, visithttp://JustMathTutoring.com

• 03:52 Popular

### Zumba Dance Workout For Weight Loss

1,266 views / 3 likes - added

Have fun while you lose weight! Zumba Dance Workout is an enjoyable way to stay fit. Welcome to the best of Zumba, offered by http://www.escuelasalsabarcelona.com/zumba/ who believe that the best way to lose weight is by having a blast! Enjoy the video! F

• 01:44

### Interpreting Two-way Tables | Data And Modeling | 8th Grade | Khan Academy

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• 10:35

### Static Electricity Demonstrations Part one Induction // Homemade Science with Bruce Yeany

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Part One: Several examples of static electricity are shown in this first part with a concentration on explaining the basis of inducing a static change on insulators verses conductors. Note on the falling powder demonstration: This was something that I dis

• 07:10

### TOUGH Interview Question - Ways To Give 11 Coins To 3 People

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How many ways can you divide 11 coins to 3 people? How many ways are there if each person has to get at least 1 coin? This puzzle is an example of a technical interview question. The video demonstrates the solution, which indicates the number of non-negat

• 10:42

### Cognition: How Your Mind Can Amaze and Betray You - Crash Course Psychology #15

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You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as \$0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.

• 03:54

### What's The Best Soup Can Size? The Optimal Cylinder Puzzle

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A cylindrical can with volume V can be made in different ways. The cylinder can be wide and short (large radius and small height), or it can be narrower and taller (small radius and larger height). Which shape uses the least material? That is, which can h

• 10:06

### Projectile motion (part 10)

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Some more examples with projectile motion

• 04:16

### Comparing Fractions With Different Denominators

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Examples comparing fractions with different denominators.

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• 05:27

### Can You Solve The Mind-Bending Self-Counting Sentence Riddle?

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"In this sentence, the number of occurrences of the digit 0 is __, of the digit 1 is __, of the digit 2 is __, of the digit 3 is __, of the digit 4 is __, of the digit 5 is __, of the digit 6 is __, of the digit 7 is __, of the digit 8 is __, and of the d

• 06:13

### Calculating the circumference of the Earth in 200 BC

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In one of the dopest displays of critical thinking in history, Eratosthenes estimated the circumference of the Earth. All he had was a pole, the sun, knowledge of a famous well in Egypt, and potentially money to pay someone to walk the distance between tw

• 07:34

### Pixar: The Math Behind The Movies - Tony DeRose

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View full lesson: http://ed.ted.com/lessons/pixar-the-math-behind-the-movies-tony-derose The folks at Pixar are widely known as some of the world's best storytellers and animators. They are perhaps less recognized as some of the most innovative math whizz

• 03:01

### Try Trials: Crash Course Kids #39.2

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We've talked about variables and solving problems. But how do we keep working on a problem if the first solution doesn't fix it? Trials! In this episode of Crash Course Kids, Sabrina shows us how to use Trials to figure out what the problems are with our

• 08:01

### Exact Equations Example 2

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Some more exact equation examples More free lessons at: http://www.khanacademy.org/video?v=utQi1ZhF__Q

• 11:17

### Acid-Base Reactions in Solution: Crash Course Chemistry #8

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Last week, Hank talked about how stuff mixes together in solutions. Today, and for the next few weeks, he will talk about the actual reactions happening in those solutions - atoms reorganizing themselves to create whole new substances in the processes tha

• 09:41

### Perfect Inelasticity and Perfect Elasticity of Demand

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Extreme examples of price elasticity of demand More free lessons at: http://www.khanacademy.org/video?v=6udRtn5jSWk

• 17:38

### More on linear independence

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More examples determining linear dependence or independence. More free lessons at: http://www.khanacademy.org/video?v=Alhcv5d_XOs

• 08:51

### Why This Taste Map Is Wrong | WIRED

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We've all seen the famous "taste map," a diagram of the human tongue that separates different sections based on taste, with examples like sweet, sour, salty, and umami. Robert Margolskee, director and president at Monell Chemical Senses Center, explains w

• 02:06 Popular

### Can You Solve The Viral Matchstick Puzzle 6 + 4 = 4?

1,025 views / 0 likes - added

Can you fix 6 + 4 = 4 by moving 1 matchstick? This problem has gone viral on Facebook, with one post having over 400,000 shares. The ground rules are you cannot break a stick, it should be an equality (=), and you have to use 7-segment numbers (the block

• 07:34

### Money Supply and Demand Impacting Interest Rates

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Examples showing how various factors can affect interest rates More free lessons at: http://www.khanacademy.org/video?v=vItRHYu-A88

• 07:03

### Part 1: How Does New Genetic Information Evolve? Point Mutations

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Support Stated Clearly on Patreon: https://www.patreon.com/statedclearly This film is the first of a two part series on the evolution of new genetic information. Here we focus on Point Mutations - the simplest natural mechanisms known to increase the gene

• 01:56

### How to Do Fractional Coefficients

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How to Do Fractional Coefficients. Part of the series: Math Problems. Fractional coefficients need to be completed in a very specific way. Learn how to do fractional coefficients in math problems with help from a mathematics educator in this free video cl

• 03:25 Popular

### Can You Solve This? AA + BB + CC = ABC

1,158 views / 0 likes - added

If AA + BB + CC = ABC, what are the values of A, B, and C? All the digits are distinct and positive. Watch the video for a solution. Blog (text explanation): http://wp.me/p6aMk-4Cm If you like my videos, you can support me at Patreon: http://www.patreon.c

• 04:22

### Calculus Limits - Factoring Example

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Learning Calculus limits is a breeze with this tutorial and video example.. This example teaches you how to solve limits by factoring. Check out my Calculus limits playlist if you want some harder examples. I also offer live tutoring if you need any extra

• 01:18

### Can You Make 4 Triangles From 6 Matches?

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Can you use 6 matches to make 4 triangles of equal size and equal shape? This is harder than it sounds! Give it a try before watching the video for a solution. If you like my videos, you can support me at Patreon: http://www.patreon.com/mindyourdecisions

• 04:42

### How Warren Buffett Tried To Trick Bill Gates In A Dice Game

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Warren Buffett once challenged Bill Gates to a dice game similar to this one. How would you play the game? Blog post (text explanation) http://wp.me/p6aMk-4ro Source The dice numbers and the story are described at Microsoft Research's website for non-tran

• 04:30

### Calculus Limits - Easy Problem and Introduction

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Learning Calculus limits is a breeze with this problem and introduction. This example is an easy problem. Check out my Calculus limits playlist if you want some harder examples. I also offer live tutoring if you need any extra help. Check out my website i

• 04:22 Popular

### Impossible Algebra Problem

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This problem is making the rounds. Can you place numbers in the four boxes so all the equations are true? Blog post (text/image explanation): http://wp.me/p6aMk-4up If you like my videos, you can support me at Patreon: http://www.patreon.com/mindyourdecis

• 05:57

### How To Split A Cake Fairly Using Math

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How can 2 people split up a cake, knowing that each person wants to get a larger piece than the other? What about 3 people, or even N people? This is an example of a fair division problem from game theory. There are many cake-cutting algorithms to produce

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• 06:24 Popular

### The Seemingly Impossible Escape Logic Puzzle

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An evil logician takes Alice and Bob captive. They have a chance to escape if they can deduce the total number of trees in the prison. Can they figure it out? Source of puzzle wu: riddles forum https://www.ocf.berkeley.edu/~wwu/cgi-bin/yabb/YaBB.cgi?board

• 30:00

### How To Grow Anything | The Great Courses

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Learn how to take advantage of small spaces to blend ornamental and edible plants, and come up with creative solutions for everyday gardening challenges, including color balance, climate restrictions and more.

• 03:00

### Multiply Numbers By Drawing Lines

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Gow to multiply numbers by drawing lines. Get the Multiply By Lines Book! https://www.amazon.com/gp/product/1500866148/ If you like my videos, you can support me at Patreon: http://www.patreon.com/mindyourdecisions Connect on social media. I update each s

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• 01:57 Popular

709 views / 1 likes - added

Pick a 2 digit number. Got it? Now and add up the digits. Subtract that from your original number. Look up the resulting number in the table. Can I figure out the symbol you are looking at? This video predicts your symbol and explains why this math trick

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• 07:32

### How simple ideas lead to scientific discoveries

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Adam Savage walks through two spectacular examples of profound scientific discoveries that came from simple, creative methods anyone could have followed -- Eratosthenes' calculation of the Earth's circumference around 200 BC and Hippolyte Fizeau's measure

• 07:52

### Find The 10 Digit Number Classic Puzzle And Solution

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I'm thinking of a 10 digit number that uses the each digit 0 to 9 exactly once and where the number formed by the first n digits is divisible by n. What could my number be? The video explains how to find the answer using tests for divisibility. Blog post:

• 05:55

### The Importance Of Focus - Richard St. John

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View full lesson: http://ed.ted.com/lessons/the-importance-of-focus-richard-st-john How might focus help you succeed? Using examples of famous people from disparate fields, such as James Cameron,.

• 06:24

### Can You Solve The Chameleon Riddle?

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A museum has 13 blue, 15 red, and 17 green chameleons. Whenever two chameleons of different colors meet, they both change into the color of the other chameleon (if blue and red met, for example, they would both turn green). As the chameleons mingle, is it

• 03:36

### FOG: Clearing up the confusion

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What is fog exactly? How does a plane land in zero visibility? UPS meteorologist Jeff Peters steers us through the facts and clever solutions. Follow TED Institute on Twitter @TEDPartners Subscribe to our channel: https://www.youtube.com/user/TEDInstitute

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• 04:52

### Can You Solve The Two Rope Puzzle?

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You have two ropes and a lighter. Each rope burns in 60 minutes, but the ropes do not burn at a constant rate. How can you measure 45 minutes by burning the ropes? Some of you might have heard this problem before. If so, try this variation: how can you me

• 10:20

### SURPRISING Coin Flipping Probability - Flips To HH Versus HT

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What is the expected number of coin flips until you get two heads in a row (HH)? What is the expected number of coin flips until you get a heads followed by a tails (HT)? The video presents the solution and an intuitive explanation for this probability ri

• 03:04

### Bill meets bots

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Bill Gates visited a Harvard University lab that makes robotic gloves, pants, and flying insects. These incredible creations are powerful examples of the exciting innovation underway in the field of robotics. Learn more at https://b-gat.es/2TqZoDP

• 04:58

### Your Brain Can Solve Algorithms - David J. Malan

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View full lesson: http://ed.ted.com/lessons/your-brain-can-solve-algorithms-david-j-malan An algorithm is a mathematical method of solving problems both big and small. Though computers run algorithms constantly, humans can also solve problems with algorit

• 04:06

### Toys and machines dissected for classroom display /// Homemade Science with Bruce Yeany

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Students get a better understanding when they can see how toys and machines parts function in it's operation. Here are a few examples of machines that I have taken apart and displayed for students to examine in my science classroom.

>> View trigonometry problems solutions examples web videos