Arithmetic on Khan Academy: So you're ready to have some arithmetic fun? You've come to the right spot! It's the first "official" math topic and chalked full of fun exercises and great videos which help you start your journey towards math mastery. We'll cover the big ones: addition, subtraction, multiplication, and division, of course. But we don't stop there. We'll get into negative numbers, absolute value, decimals, and fractions, too. Learning math should be fun, and we plan on having some with you. Ready to get started? ... https://www.youtube.com/watch?v=gHTH6PKfpMc
Data on Chinese Foreign Assets Increase in 2010
More free lessons at: http://www.khanacademy.org/video?v=a3NFAnHxpKw
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https://www.youtube.com/watch?v=a3NFAnHxpKw
Note: All Khan Academy content is available for free at (www.khanacademy.org)
Examples of variables varying directly and inversely
Practice this lesson yourself on KhanAcademy.org right now:
https://www.khanacademy.org/math/algebra2/rational-expressions/direct_inverse_variation/e/direct_and_inverse_variation?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraII
Watch the next lesson: https://www.khanacademy.org/math/algebra2/rational-expressions/direct_inverse_variation/v/proportionality-constant-for-direct-variation?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraII
Missed the previous lesson?
https://www.khanacademy.org/math/algebra2/rational-expressions/direct_inverse_variation/v/direct-and-inverse-variation?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraII
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https://www.youtube.com/watch?v=3_DxJwDTbyQ
Note: All Khan Academy content is available for free at (www.khanacademy.org)
Probability for a geometric random variable being greater than a certain value.
View more lessons or practice this subject at http://www.khanacademy.org/math/ap-statistics/random-variables-ap/geometric-random-variable/v/cumulative-geometric-probability-greater-than-a-value?utm_source=youtube&utm_medium=desc&utm_campaign=apstatistics
AP Statistics on Khan Academy: Meet one of our writers for AP¨_ Statistics, Jeff. A former high school teacher for 10 years in Kalamazoo, Michigan, Jeff taught Algebra 1, Geometry, Algebra 2, Introductory Statistics, and AP¨_ Statistics. Today he's hard at work creating new exercises and articles for AP¨_ Statistics.
Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help! Donate or volunteer today!
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https://www.youtube.com/watch?v=7TYMKKQK8s8
Note: All Khan Academy content is available for free at (www.khanacademy.org)
Organisms reproduce, either sexually or asexually, and transfer their genetic information to their offspring.
Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help!
Donate or volunteer today! Donate here: https://www.khanacademy.org/donate
Volunteer here: https://www.khanacademy.org/contribute
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https://www.youtube.com/watch?v=IZ6EvH240iA
Note: All Khan Academy content is available for free at (www.khanacademy.org)
Sal finishes the calculation or work to determine the mechanical advantage in a U-shaped tube. He also explains pressure and Pascal's Principal. Created by Sal Khan.
Watch the next lesson: https://www.khanacademy.org/science/physics/fluids/density-and-pressure/v/fluids-part-4?utm_source=YT&utm_medium=Desc&utm_campaign=physics
Missed the previous lesson? https://www.khanacademy.org/science/physics/fluids/density-and-pressure/v/fluids-part-2?utm_source=YT&utm_medium=Desc&utm_campaign=physics
Physics on Khan Academy: Physics is the study of the basic principles that govern the physical world around us. We'll start by looking at motion itself. Then, we'll learn about forces, momentum, energy, and other concepts in lots of different physical situations. To get the most out of physics, you'll need a solid understanding of algebra and a basic understanding of trigonometry.
About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.
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https://www.youtube.com/watch?v=5EWjlpc0S00
Thinking about whether to invest money or pay off loans
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https://www.youtube.com/watch?v=sKdYxymyvWw
Note: All Khan Academy content is available for free at (www.khanacademy.org)
Choose and calculate an appropriate unit rate for comparing 3 ratios in context. Order them from least to greatest. Interpret that information in context.
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https://www.youtube.com/watch?v=C7bBZa52h-4
Note: All Khan Academy content is available for free at (www.khanacademy.org)
Khan Academy's AI-powered teaching assistant and student tutor, Khanmigo, has been upgraded with brand new features that are making it so much easier for teachers to reach their students where they are. Join Khan Academy's professional learning specialist and former classroom teacher, Michele, to see how Khanmigo can supercharge the learning in your classroom.
For more from Khanmigo, visit: khanmigo.ai
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https://www.youtube.com/watch?v=5xo4pgy5x7M
Note: All Khan Academy content is available for free at (www.khanacademy.org)
Thin layer chromotography
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https://www.youtube.com/watch?v=GOWUw0-SEDE
Note: All Khan Academy content is available for free at (www.khanacademy.org)