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Search Results: "trigonometry problems with solutions and answers"

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  • 01:52 Three Solutions! Can You Find Them? (math trick with answers)

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

    283 views / 0 likes - added

    ★★ 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

  • 03:58 Basic Trigonometry - Practice Quiz

    Basic Trigonometry - Practice Quiz

    236 views / 0 likes - added

    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

    Basic Trigonometry - Word Problem #2

    267 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

  • 04:21 Basic Trigonometry - Word Problem

    Basic Trigonometry - Word Problem

    270 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

    Basic Trigonometry - Practice Question #3

    303 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

  • 04:41 Basic Trigonometry - Practice Question #2

    Basic Trigonometry - Practice Question #2

    288 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

    Basic Trigonometry - Practice Question #1

    297 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

  • 09:17 Basic Trigonometry

    Basic Trigonometry

    343 views / 1 likes - added

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

  • 15:14 IIT JEE Trigonometry Problem 1

    IIT JEE Trigonometry Problem 1

    392 views / 0 likes - added

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

  • 12:08 Questions No One Knows the Answers to

    Questions No One Knows the Answers to

    217 views / 0 likes - added

    In the first of a new TED-Ed series designed to catalyze curiosity, TED Curator Chris Anderson shares his boyhood obsession with quirky questions that seem to have no answers. (Introducing the series "Questions no one knows the answers to") "Questions No

  • 10:57 Extraneous Solutions for Radical Equations

    Extraneous Solutions for Radical Equations

    220 views / 0 likes - added

    u16_l3_t1_we2 Extraneous Solutions for Radical Equations

  • 06:01 Examples Algebraically Analyzing Solutions To Systems

    Examples Algebraically Analyzing Solutions To Systems

    230 views / 0 likes - added

    Algebraically analyzing solutions to systems

  • 05:48 Visually Completing Solutions Of Systems Of Two Variables

    Visually Completing Solutions Of Systems Of Two Variables

    308 views / 0 likes - added

    Visually completing solutions of systems of two variables

  • 04:12 Constraining Solutions To Two Variable Linear Inequalities

    Constraining Solutions To Two Variable Linear Inequalities

    402 views / 0 likes - added

    Constraining solutions to two variable linear inequalities

  • 13:57 Suspensions, Colloids and Solutions

    Suspensions, Colloids and Solutions

    281 views / 0 likes - added

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

  • 01:42 How To Use Rounding in Math Problems

    How To Use Rounding in Math Problems

    526 views / 1 likes - added

    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

  • 05:06 Solutions to Three Variable System

    Solutions to Three Variable System

    213 views / 0 likes - added

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

  • 11:10 Extraneous Solutions to Radical Equations

    Extraneous Solutions to Radical Equations

    294 views / 0 likes - added

    Extraneous Solutions to Radical Equations More free lessons at: http://www.khanacademy.org/video?v=711pdW8TbbY

  • 06:30 Hypotonic, Isotonic And Hypertonic Solutions(tonicity)

    Hypotonic, Isotonic And Hypertonic Solutions(tonicity)

    367 views / 0 likes - added

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

  • 05:06 Ordered Pair Solutions of Equations

    Ordered Pair Solutions of Equations

    206 views / 0 likes - added

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

  • 04:55 You will NOT know all of these sounds, I am SURE!! (with answers)

    You will NOT know all of these sounds, I am SURE!! (with answers)

    236 views / 0 likes - added

    ★★ For more sound broccolies like this... Subscribe to DB! ★★ You will NOT know all of these sounds, I am SURE!! I would be incredibly surprised if anyone actually identifies all of these animal sounds... This is a listening test to see how well you know

  • 03:03 Extraneous Solutions to Rational Equations

    Extraneous Solutions to Rational Equations

    270 views / 0 likes - added

    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

    Discriminant for Types of Solutions for a Quadratic

    379 views / 0 likes - added

    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

  • 01:15 Testing Solutions for a System of Inequalities

    Testing Solutions for a System of Inequalities

    210 views / 0 likes - added

    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

  • 06:34 Popular 10 IQ and Riddles For Kids With Tricky Answers

    10 IQ and Riddles For Kids With Tricky Answers

    1,149 views / 0 likes - added

    10 IQ and Riddles For Kids With Tricky Answers. These are the best 10 IQ and Riddles For Kids With Tricky Answers. These are perfect for brain teasers for kids, teens and all. Please try this once and do not forget to like, share and comment.

  • 05:13 Do you have good EYES? (test with answers)

    Do you have good EYES? (test with answers)

    246 views / 0 likes - added

    ★★ For more broccolies like this... Subscribe to DB! ★★ The überchallenge is to be able to identify all the different colors in the video... if you see all 20 colors, you must have massively good eyes! ⤋ BEST OF DAILY BROCCOLI ⤋ ---------------------

  • 10:07 New IQ Test! (with answers)

    New IQ Test! (with answers)

    328 views / 3 likes - added

    ★★ More Broccoli = More IQ :DD (Please subscribe!!!) ★★ This IQ test is amazingly accurate. Check how many questions you got right and what it means in terms of your IQ. Are you smart? How intelligent are you? What is my IQ? This new IQ Test will tell you

  • 03:36 90% people fail!! (How smart are you? - test with answers)

    90% people fail!! (How smart are you? - test with answers)

    405 views / 2 likes - added

    Let me know your answers! - 10,000 comments = Happy Broccoli! ★★ For more Brain brocs... Subscribe to DB! ★★ This sequence of animal questions will likely mess you up... It's a type of creative IQ test that will test how smart you are. I didn't answer the

  • 02:58 Überchallenge: Make NO Mistake! (with answers)

    Überchallenge: Make NO Mistake! (with answers)

    194 views / 1 likes - added

    ★★ For more ӹ ... Subscribe to DB! ★★ The überchallenge is to control your brain to such an extent, that you are able to ignore words and call out the colors... sounds simple, but it is in fact really hard!! I hope you like the challenge. DO leave me a co

  • 02:27 Checking Ordered Pair Solutions To Equations Example 2 | Algebra I | Khan Academy

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

    276 views / 0 likes - added

    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

  • 04:47 Puzzles: 5 "easy"... and one impossible!! (with answers)

    Puzzles: 5 "easy"... and one impossible!! (with answers)

    216 views / 0 likes - added

    ★★ For more broccoli puzzles stuffs... Subscribe to DB! ★★ The überchallenge is to solve the impossible parking lot question (brain teaser puzzle) at the end. But first warm up with some supposedly "easy" puzzles at the beginning. I hope you enjoy it and

  • 04:01 Got Some Solutions?: Crash Course Kids #26.1

    Got Some Solutions?: Crash Course Kids #26.1

    399 views / 0 likes - added

    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

  • 02:35 Checking Ordered Pair Solutions To Equations Example 1 | Algebra I | Khan Academy

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

    335 views / 0 likes - added

    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

  • 05:58 Popular Tricky Riddles with Funny Answers - Can you solve?

    Tricky Riddles with Funny Answers - Can you solve?

    909 views / 1 likes - added

    Tricky Riddles with Funny Answers These tricky riddles and funny riddles can be solved by any kid or adult who has good sense of humor. These riddles with answers will always test your brain and make your brain scratch. There are 10 Tricky Riddles with Fu

  • 05:19 Riddles: 5 "easy"... & one IMPOSSIBLE! (with answers)

    Riddles: 5 "easy"... & one IMPOSSIBLE! (with answers)

    324 views / 0 likes - added

    ★★★★ Riddles and more... Subscribe to Daily Broccoli! ★★★★ This is a fun video with 5 supposedly "easy" riddles with answers, and one impossible question. I love these riddles, because they are clever and in fact not all that difficult. But still I wasn't

  • 07:11 Graphing Solutions To Two-variable Linear Equations Example 2 | Algebra I | Khan Academy

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

    356 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

  • 02:13 Crazy Math Trick: I will guess Your Age! (2017 with answers)

    Crazy Math Trick: I will guess Your Age! (2017 with answers)

    398 views / 3 likes - added

    ★★ For more broccolies like this... Subscribe to DB! ★★ I will guess your age! This is a crazy math trick that is likely to impress you and your friends too! You start with a RANDOM number and then end up with your Age and that number... pretty incredible

  • 12:18 Bill Nye Answers Even More Science Questions From Twitter | Tech Support | WIRED

    Bill Nye Answers Even More Science Questions From Twitter | Tech Support | WIRED

    268 views / 0 likes - added

    Bill Nye uses the power of Twitter to answer even more science questions. How does the internet work? What's the difference between a meteor, meteorite, and an asteroid? Does anyone really know how gravity works? Is water wet? Bill answers all these quest

  • 03:28 95% Fail: 8 funny trick questions your friends will ALWAYS get wrong! (with answers)

    95% Fail: 8 funny trick questions your friends will ALWAYS get wrong! (with answers)

    415 views / 1 likes - added

    These are 8 awesome trick questions your friends will always get wrong! Guaranteed! :) I have picked these 8 funny brain teasers because I am sure that no-one would get them right when asked spontaneously. See for yourself, whether you will get the right

  • 06:03 10 Trick Questions your friends will ALWAYS get Wrong!! (with answers)

    10 Trick Questions your friends will ALWAYS get Wrong!! (with answers)

    262 views / 0 likes - added

    These are 10 awesome trick questions your friends will always get wrong! Guaranteed! :) I have picked these 10 funny brain teasers because I am sure that no-one would get them right when asked spontaneously. See for yourself, whether you will get the righ

  • 04:55 Solve the right triangle - Trigonometry Brain Teaser

    Solve the right triangle - Trigonometry Brain Teaser

    515 views / 0 likes - added

    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

  • 08:21 Solutions: Crash Course Chemistry #27

    Solutions: Crash Course Chemistry #27

    337 views / 0 likes - added

    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

  • 13:23 Best Colorblind Tests And Crime Riddles With Answers!

    Best Colorblind Tests And Crime Riddles With Answers!

    105 views / 0 likes - added

    Force your brain to work with these crime riddles and colorblind test with answers! Try to give the right answers to these riddles for kids and adults as fast as possible. If you can't concentrate and feel exhausted all the time try to solve tricky riddle

  • 13:34 Water and Solutions -- for Dirty Laundry: Crash Course Chemistry #7

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

    394 views / 0 likes - added

    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

  • 04:13 Adults Stumped By Geometry Problems For 10 Year Olds. Can You Solve Them?

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

    385 views / 0 likes - added

    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

    Arc Measure Example Problems

    343 views / 0 likes - added

    Arc measure example problems

  • 02:03 Fraction word problems 1 (ex 4)

    Fraction word problems 1 (ex 4)

    246 views / 0 likes - added

    Fraction word problems 1 (ex 4)

  • 01:42 Fraction word problems 1 (ex 3)

    Fraction word problems 1 (ex 3)

    258 views / 0 likes - added

    Fraction word problems 1 (ex 3)

  • 01:04 Fraction word problems 1 (ex 2)

    Fraction word problems 1 (ex 2)

    231 views / 0 likes - added

    Fraction word problems 1 (ex 2)

  • 01:48 Fraction word problems 1 (ex 1)

    Fraction word problems 1 (ex 1)

    269 views / 0 likes - added

    Fraction word problems 1 (ex 1)

  • 14:15 Percent Problems

    Percent Problems

    276 views / 0 likes - added

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

  • 13:27 27 FUN BRAIN TEASERS WITH ANSWERS FOR KIDS AND ADULTS

    27 FUN BRAIN TEASERS WITH ANSWERS FOR KIDS AND ADULTS

    568 views / 0 likes - added

    These short and fun brain teasers with answers for kids and adults, picture puzzles and text riddles will brighten up your mood and will force your brain to exercise (just a bit)! Don't forget TELL IN THE COMMENTS the answer to the last MATH PUZZLE, I kno

  • 08:45 Basic Trigonometry

    Basic Trigonometry

    328 views / 0 likes - added

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

  • 02:13 Multiplying Fractions Word Problems (ex 1)

    Multiplying Fractions Word Problems (ex 1)

    339 views / 0 likes - added

    Multiplying Fractions Word Problems (ex 1)

  • 06:02 Popular 10 Trickiest Animal Riddles For Kids With Answers!!

    10 Trickiest Animal Riddles For Kids With Answers!!

    986 views / 0 likes - added

    10 Trickiest Animal Riddles For Kids With Answers IMPOSSIBLE EINSTEIN RIDDLES TO SOLVE - Only 2% Pass!! https://www.youtube.com/watch?v=yhUsXzvU3aQ IMPOSSIBLE HIDDEN OBJECTS TO TEST YOUR BRAIN!! : https://www.youtube.com/watch?v=y4YqtleJqSg EPIC CRIME RID

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  • 02:45 Mixture problems 1

    Mixture problems 1

    301 views / 0 likes - added

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

  • 05:56 Basic Trigonometry II

    Basic Trigonometry II

    340 views / 0 likes - added

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

  • 03:55 Interpreting Function Graphs Word Problems

    Interpreting Function Graphs Word Problems

    473 views / 0 likes - added

    Interpreting function graphs word problems

  • 06:44 Mixture problems 2

    Mixture problems 2

    256 views / 0 likes - added

    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

    Mixture problems 3

    254 views / 0 likes - added

    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

  • 16:29 Trigonometry - Easy to understand 3D animation

    Trigonometry - Easy to understand 3D animation

    150 views / 0 likes - added

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

  • 05:59 Systems and rate problems

    Systems and rate problems

    266 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

    Systems and rate problems 2

    227 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

    Systems and rate problems 3

    259 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

  • 04:37 Solving Percent Problems 2

    Solving Percent Problems 2

    272 views / 0 likes - added

    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

    Solving Percent Problems 3

    294 views / 0 likes - added

    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

  • 08:52 Bill Nye Answers Science Questions From Twitter | Tech Support | WIRED

    Bill Nye Answers Science Questions From Twitter | Tech Support | WIRED

    372 views / 0 likes - added

    Bill Nye uses the power of Twitter to answer some common science questions. Check out Bill's new show on Netflix "Bill Nye Saves The World" premiering April 21st! Still haven’t subscribed to WIRED on YouTube? ►► http://wrd.cm/15fP7B7 CONNECT WITH WIRED We

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  • 07:15 Tony Hawk Answers Skateboarding Questions From Twitter | Tech Support | WIRED

    Tony Hawk Answers Skateboarding Questions From Twitter | Tech Support | WIRED

    286 views / 0 likes - added

    Tony Hawk uses the power of Twitter to answer some common questions about skateboarding. Will there ever be another Tony Hawk's Pro Skater? What skateboarding trick was the hardest to learn? Are you ever too old to start skating? Tony also demonstrates ho

  • 02:02 Application problems with equation in one variable

    Application problems with equation in one variable

    231 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

  • 06:17 The Fermi Paradox II — Solutions And Ideas – Where Are All The Aliens?

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

    359 views / 1 likes - added

    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

  • 07:08 Application problems involving units of weight

    Application problems involving units of weight

    287 views / 0 likes - added

    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

  • 03:29 Solving application problems involving units of volume

    Solving application problems involving units of volume

    258 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

    Problems with Zero - Numberphile

    247 views / 0 likes - added

    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

  • 04:32 Math Word problems - Solving triangles

    Math Word problems - Solving triangles

    358 views / 0 likes - added

    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

  • 03:23 Comparison Word Problems | Addition And Subtraction Within 20 | Early Math | Khan Academy

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

    330 views / 0 likes - added

    Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-20/cc-early-math-word-problems-more-fewer-20/e/addition-and-subtraction-word-problems-within-20--level-3?utm_source=YT&utm_medium

  • 04:42 How To Write Algebraic Expressions From Word Problems | 6th Grade | Khan Academy

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

    518 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

  • 01:48 Hospitals are running out of baking soda solutions

    Hospitals are running out of baking soda solutions

    250 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

  • 03:09 How To Write Basic Algebraic Expressions From Word Problems | 6th Grade | Khan Academy

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

    353 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

  • 02:15 Scientists Get Creative When Solving Problems

    Scientists Get Creative When Solving Problems

    150 views / 0 likes - added

    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

  • 14:11 The Mole 4 - Converting Mass to Atoms: Practice Problems

    The Mole 4 - Converting Mass to Atoms: Practice Problems

    105 views / 0 likes - added

    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

  • 12:26 Weve Got Answers to Five Whys

    Weve Got Answers to Five Whys

    83 views / 0 likes - added

    Who? What? When? Where? Why? Thats a lot of questions all at once. Lets stick with why for this reel. Well going to tell you everything from why mathematicians are obsessed with a certain kind of chalk to why a Japanese company is making baseball bats out

  • 05:50 Length Word Problems | Measurement And Data | Early Math | Khan Academy

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

    343 views / 0 likes - added

    Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-measure-data-topic/cc-early-math-length-word-problems/e/length-word-problems?utm_source=YT&utm_medium=Desc&utm_campaign=EarlyMath Watch t

  • 02:12 Fewer Word Problems | Addition And Subtraction Within 100 | Early Math | Khan Academy

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

    348 views / 0 likes - added

    Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-100/cc-early-math-more-fewer-100/e/addition-and-subtraction-word-problems-within-100--level-3?utm_source=YT&utm_medium=Desc&utm_c

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

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    345 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

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

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  • 19:37 Smart Math Techniques - Solve maths problems in seconds

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

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    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

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

    412 views / 1 likes - added

    Learn how to solve word problems by adding 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-within-1

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    388 views / 0 likes - added

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    318 views / 0 likes - added

    Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-measure-data-topic/cc-early-math-bar-graphs/e/solving-problems-with-bar-graphs-2?utm_source=YT&utm_medium=Desc&utm_campaign=EarlyMath Wat

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  • 04:07 Solve Problems: Be An Engineer!

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  • 05:33 Right Triangle Word Problems — Harder Example | Math | New SAT | Khan Academy

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

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

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

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  • 09:40 Quadratic And Exponential Word Problems — Harder Example | Math | New SAT | Khan Academy

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

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  • 02:55 Linear Equation Word Problems — Basic Example | Math | New SAT | Khan Academy

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

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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

  • 04:22 Impossible Algebra Problem

    Impossible Algebra Problem

    596 views / 0 likes - added

    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

  • 03:25 Popular Can You Solve This? AA + BB + CC = ABC

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

    824 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

  • 04:42 How Warren Buffett Tried To Trick Bill Gates In A Dice Game

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

    292 views / 0 likes - added

    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

  • 06:22 Super Genius Test: Brain teaser, logic puzzle & the hardest search image ever! (viral)

    Super Genius Test: Brain teaser, logic puzzle & the hardest search image ever! (viral)

    232 views / 0 likes - added

    If you solved all three of them, you are a SUPER GENIUS!!! Please let me know how many you got right in the comments below! The first one went viral on quora, the other one was completely in all channels and most people could not answer all 9 questions...

  • 05:57 How To Split A Cake Fairly Using Math

    How To Split A Cake Fairly Using Math

    337 views / 0 likes - added

    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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  • 05:06 Why Do Mosquitoes Bite Some People More Than Others? | What The FAQs | NowThis

    Why Do Mosquitoes Bite Some People More Than Others? | What The FAQs | NowThis

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    Ever wonder why you're more prone to mosquito bites than your friends? It might have to do with the carbon dioxide you're inhaling, whether your Blood Type A or B, or it could be because you're drinking more beer than cocktails. Subscribe to NowThis Futur

  • 05:06 Why Do Mosquitoes Bite Some People More Than Others? | What The FAQs | NowThis

    Why Do Mosquitoes Bite Some People More Than Others? | What The FAQs | NowThis

    60 views / 0 likes - added

    Ever wonder why you're more prone to mosquito bites than your friends? It might have to do with the carbon dioxide you're inhaling, whether your Blood Type A or B, or it could be because you're drinking more beer than cocktails. Subscribe to NowThis Futur

  • 01:57 I Will Read Your Mind - Math Magic Trick

    I Will Read Your Mind - Math Magic Trick

    576 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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  • 04:26 97% Fail... Test your EYES! (incl. secret message)

    97% Fail... Test your EYES! (incl. secret message)

    358 views / 0 likes - added

    ★★ Secret message because... we reached + 278k SUBS!!!! ★★ Massive thank you! You are the best!! The überchallenge is to be able to find all the letters that are hidden in the images. ...if you see all 12 letters, you must have massively good eyes! This i

  • 07:52 Find The 10 Digit Number Classic Puzzle And Solution

    Find The 10 Digit Number Classic Puzzle And Solution

    327 views / 0 likes - added

    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:

  • 06:24 The Seemingly Impossible Escape Logic Puzzle

    The Seemingly Impossible Escape Logic Puzzle

    578 views / 0 likes - added

    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

  • 03:00 Multiply Numbers By Drawing Lines

    Multiply Numbers By Drawing Lines

    304 views / 0 likes - added

    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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  • 04:52 Can You Solve The Two Rope Puzzle?

    Can You Solve The Two Rope Puzzle?

    314 views / 0 likes - added

    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

  • 04:58 Your Brain Can Solve Algorithms - David J. Malan

    Your Brain Can Solve Algorithms - David J. Malan

    347 views / 0 likes - added

    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

  • 02:13 Crazy Math Trick: I will guess Your Age! (OLD 2016 version)

    Crazy Math Trick: I will guess Your Age! (OLD 2016 version)

    334 views / 0 likes - added

    Check here for the 2017 version: https://www.youtube.com/watch?v=PQjNF34H3Bs&feature=youtu.be ★★ For more broccolies like this... Subscribe to DB! ★★ I will guess your age! This is a crazy math trick that is likely to impress you and your friends too! You

  • 06:24 Can You Solve The Chameleon Riddle?

    Can You Solve The Chameleon Riddle?

    403 views / 0 likes - added

    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

  • 10:20 SURPRISING Coin Flipping Probability - Flips To HH Versus HT

    SURPRISING Coin Flipping Probability - Flips To HH Versus HT

    245 views / 0 likes - added

    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

  • 14:38 TRAIN YOUR LOGIC WITH THESE 16 SHORT RIDDLES FOR KIDS

    TRAIN YOUR LOGIC WITH THESE 16 SHORT RIDDLES FOR KIDS

    359 views / 0 likes - added

    Train your logic with these 16 short and fun riddles for kids :) Solving tricky riddles for 20 minutes a day makes you smart and more attentive to the details! These awesome riddles with answers will improve your logic and increase your brain power! So be

  • 02:57 Viral Facebook Math Problem

    Viral Facebook Math Problem

    462 views / 1 likes - added

    This problem has over 2 million comments on Facebook and is getting coverage in mainstream media and blogs. Can you figure out this Facebook fruit algebra puzzle involving apples, bananas, and coconuts? The video presents what many people consider to be t

  • 03:36 FOG: Clearing up the confusion

    FOG: Clearing up the confusion

    275 views / 0 likes - added

    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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  • 08:27 Can You Solve The 3 Cards Riddle?

    Can You Solve The 3 Cards Riddle?

    310 views / 0 likes - added

    There are 3 cards in this problem. One card is blue on both sides, another is red on both sides, and the last is red on one side and blue on the other. The cards are put in a bag and I pick one at random. Without looking at the colors on the card, I place

  • 03:31 How Logical Are You? The Irrationality Illusion Tricks Most

    How Logical Are You? The Irrationality Illusion Tricks Most

    454 views / 0 likes - added

    This video relates a cognitive bias ("irrational" decision) to an optical illusion (picture at 1:45). For more, check out my new book, "The Irrationality Illusion: How to Make Smart Decisions And Overcome Bias" http://amzn.to/1o3FaAg Blog post (text and i

  • 13:04 Singapore Math: Grade 3a Unit 2 (part 4)

    Singapore Math: Grade 3a Unit 2 (part 4)

    208 views / 0 likes - added

    Some more word problems

  • 02:06 How Many Cars Can Fit In The Parking Lot

    How Many Cars Can Fit In The Parking Lot

    412 views / 0 likes - added

    Word problems.

  • 02:45 The Day After Tomorrow Is Yesterday Riddle. Can You Solve It?

    The Day After Tomorrow Is Yesterday Riddle. Can You Solve It?

    324 views / 0 likes - added

    This puzzle is popular on Facebook and many other sites. "When the day after tomorrow is yesterday, then today will be as far from Wednesday as today was from Wednesday when the day before yesterday was tomorrow. What day is today?" Can you solve this tri

  • 02:23 This SAT Math Question Has A Mistake

    This SAT Math Question Has A Mistake

    291 views / 0 likes - added

    This question appeared on the October 1980 SAT exam. Like all questions, it was supposed to have exactly one correct answer. However the test-makers made a mistake. Can you figure out what they did wrong? Blog post (text explanation): http://wp.me/p6aMk-4

  • 03:33 Can You Solve This Intelligence Test? Viral Facebook Puzzle

    Can You Solve This Intelligence Test? Viral Facebook Puzzle

    324 views / 0 likes - added

    If 6 + 4 = 210, and 9 + 2 = 711, what is the rule to combine numbers? This "intelligence test" has been shared more than 3 million times on Facebook. On Twitter people claim solving it means you have an IQ of more than 150 (genius level). In this video I

  • 06:57 When Is Christmas? Mentally Convert Date To Day Of The Week

    When Is Christmas? Mentally Convert Date To Day Of The Week

    259 views / 0 likes - added

    January 1, 2016 is a Friday. When will Christmas be in 2016? What about Christmas in 2055? You can do this in your head! Blog post (text explanation): http://wp.me/p6aMk-4qQ Doomsday Rule (previous video): https://www.youtube.com/watch?v=UsStBxY9STw Calcu

  • 05:09 Can You Solve The Snake Eyes Probability Riddle?

    Can You Solve The Snake Eyes Probability Riddle?

    372 views / 0 likes - added

    You close your eyes and roll a pair of dice. The casino dealer announces that at least one of the rolls is showing a 1.What is the probability that both dice are showing a 1? Watch the video for the solution. (Snake eyes is a term for rolling a pair of 1s

  • 12:16 Singapore Math:  Grade 3a Unit 2 (part 11)

    Singapore Math: Grade 3a Unit 2 (part 11)

    306 views / 0 likes - added

    Some 2-step word problems.

  • 08:14 SAT Prep: Test 7 Section 8 Part 2

    SAT Prep: Test 7 Section 8 Part 2

    322 views / 0 likes - added

    Problems 7-9 on page 805

  • 09:05 SAT Prep: Test 8 Section 2 Part 1

    SAT Prep: Test 8 Section 2 Part 1

    395 views / 0 likes - added

    Problems 1-4 starting on page 1

  • 08:52 SAT Prep: Test 3 Section 8 Part 2

    SAT Prep: Test 3 Section 8 Part 2

    309 views / 0 likes - added

    Problems 7-9 page 549

  • 05:53 Quantum Eraser Lottery Challenge | Space Time | PBS Digital Studios

    Quantum Eraser Lottery Challenge | Space Time | PBS Digital Studios

    415 views / 0 likes - added

    Matt challenges you to use quantum physics to win the lottery. Are you up to the task? Previous Episode on Quantum Eraser https://www.youtube.com/watch?v=8ORLN_KwAgs Get your own Space Time t­shirt at http://bit.ly/1QlzoBi Tweet at us! @pbsspacetime Faceb

  • 05:55 "Impossible" Logic Puzzle - How Many Liars Are At The Party?

    "Impossible" Logic Puzzle - How Many Liars Are At The Party?

    361 views / 0 likes - added

    A party has 100 people who are either liars are truth tellers. Liars always lie and truth tellers always say the truth. After the party you ask each person, "How many truth tellers did you shake hands with?" Each person gives a different answer from 0 to

  • 09:40 SAT Prep: Test 1 Section 9 Part 1

    SAT Prep: Test 1 Section 9 Part 1

    274 views / 0 likes - added

    Problems 1-4 starting on page 423

  • 09:51 SAT Prep: Test 5 Section 7 Part 2

    SAT Prep: Test 5 Section 7 Part 2

    333 views / 0 likes - added

    Problems 6-9 starting on page 670

  • 09:50 SAT Prep: Test 1 Section 9 Part 2

    SAT Prep: Test 1 Section 9 Part 2

    262 views / 0 likes - added

    Problems 5-8 starting on page 424

  • 08:47 SAT Prep: Test 3 Section 2 Part 1

    SAT Prep: Test 3 Section 2 Part 1

    299 views / 0 likes - added

    Problems 1-5 starting on page 518

  • 09:48 SAT Prep: Test 6 Section 9 Part 1

    SAT Prep: Test 6 Section 9 Part 1

    349 views / 0 likes - added

    Problems 1-6 starting on page 743

  • 09:58 SAT Prep: Test 1 Section 3 Part 2

    SAT Prep: Test 1 Section 3 Part 2

    281 views / 0 likes - added

    Problems 4-7 starting on page 396

  • 08:39 SAT Prep: Test 2 Section 3 part 1

    SAT Prep: Test 2 Section 3 part 1

    280 views / 0 likes - added

    Problems 1-4 starting on page 459

  • 09:24 SAT Prep: Test 4 Section 4 Part 1

    SAT Prep: Test 4 Section 4 Part 1

    322 views / 0 likes - added

    Problems 1-6 starting on page 594

  • 08:51 SAT Prep: Test 6 Section 9 Part 2

    SAT Prep: Test 6 Section 9 Part 2

    340 views / 0 likes - added

    Problems 7-9 starting on page 745

  • 09:00 SAT Prep: Test 8 Section 2 Part 2

    SAT Prep: Test 8 Section 2 Part 2

    375 views / 0 likes - added

    Problems 5-8 starting on page 839

  • 10:01 SAT Prep: Test 2 Section 3 Part 2

    SAT Prep: Test 2 Section 3 Part 2

    300 views / 0 likes - added

    Problems 5-8 starting on page 460

  • 09:26 SAT Prep: Test 5 Section 9 Part 1

    SAT Prep: Test 5 Section 9 Part 1

    318 views / 0 likes - added

    Problems 1-6 starting on page 679

  • 09:37 SAT Prep: Test 3 Section 4 Part 1

    SAT Prep: Test 3 Section 4 Part 1

    322 views / 0 likes - added

    Problems 1-5 starting on page 530

  • 08:43 SAT Prep: Test 5 Section 9 Part 2

    SAT Prep: Test 5 Section 9 Part 2

    361 views / 0 likes - added

    Problems 7-9 starting on page 681

  • 09:16 SAT Prep: Test 3 Section 4 Part 2

    SAT Prep: Test 3 Section 4 Part 2

    313 views / 0 likes - added

    Problems 5-9 starting on page 531


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