1. Equivalent fraction word problem example 2 | Fractions | Pre-Algebra | Khan Academy : Khan Academy

    How do you find an equivalent fraction? If you know the denominator of both fractions , and the numerator of one of them . . . you can figure out the rest We'll show you in this word problem . Practice this lesson yourself on KhanAcademy . org right now: https://www . khanacademy . org/math/pre-algebra/fractions-pre-alg/visualizing-equiv-fracs-pre-alg/e/visualizing-equivalent-fractions?utm_source=YT&utm_me . . .

  2. Terminal prepositions | The parts of speech | Grammar | Khan Academy : Khan Academy

    It's totally okay to end sentences with prepositions ! David , Khan Academy's grammarian-in-chief , explains the history and the context behind this long-held grammar myth . Practice this yourself on Khan Academy right now: https://www . khanacademy . org/humanities/grammar/partsofspeech/the-pronoun/e/meet-the-personal-pronoun?utm_source=YT&utm_medium=Desc&utm_campaign=grammar Watch the next lesson: . . .

  3. archive.org12 min

    Short run aggregate supply | Aggregate demand and aggregate supply | Macroeconomics | Khan Academy : Khan Academy

    Justifications for the aggregate supply curve to be upward sloping in the short-run Watch the next lesson: https://www . khanacademy . org/economics-finance-domain/macroeconomics/aggregate-supply-demand-topic/historic-ad-as-scenarios/v/demand-pull-inflation-under-johnson?utm_source=YT&utm_medium=Desc&utm_campaign=macroeconomics Missed the previous lesson? https://www . khanacademy . org/economics-fi . . .

  4. Writing standard equation of a circle | Mathematics II | High School Math | Khan Academy : Khan Academy

    Given a circle on the coordinate plane , Sal finds its standard equation , which is an equation in the form (x-a)²+(y-b)²=r² . Watch the next lesson: https://www . khanacademy . org/math/high-school-math/math2/math2-conics/math2-expanded-equation-circle/v/completing-the-square-to-write-equation-in-standard-form-of-a-circle?utm_source=YT&utm_medium=Desc&utm_campaign=highschoolmath Missed the prev . . .

  5. Marginal revenue and marginal cost in imperfect competition | APⓇ Microeconomics | Khan Academy : Khan Academy

    This video discusses the differences in a graph of marginal cost and marginal revenue for an imperfectly competitive firm compared to a perfectly competitive firm . AP(R) Microeconomics on Khan Academy: Microeconomics is the study of individual decisionmakers in an economy , such as people , households , and firms . Learn how markets work , how incentives drive decisionmaking , and how market structur . . .

  6. archive.org11 min

    Power series of arctan(2x) | Series | AP Calculus BC | Khan Academy : Khan Academy

    We can represent arctan(2x) with a power series by representing its derivative as a power series and then integrating that series . You have to admit this is pretty neat . Practice this lesson yourself on KhanAcademy . org right now: https://www . khanacademy . org/math/ap-calculus-bc/bc-series/bc-power-series/e/creating-power-series-from-geometric-series-using-differentiation-and-integration?utm_sourc . . .

  7. Actual option quotes | Finance & Capital Markets | Khan Academy : Khan Academy

    Actual Option Quotes . Created by Sal Khan . Watch the next lesson: https://www . khanacademy . org/economics-finance-domain/core-finance/derivative-securities/put-call-options/v/option-expiration-and-price?utm_source=YT&utm_medium=Desc&utm_campaign=financeandcapitalmarkets Missed the previous lesson? Watch here: https://www . khanacademy . org/economics-finance-domain/core-finance/derivative-securi . . .

  8. archive.org11 min

    Indus Valley Civilization | Early Civilizations | World History | Khan Academy : Khan Academy

    The Indus River Valley (or Harappan) civilization lasted for 2 , 000 years , and extended from what is today northeast Afghanistan to Pakistan and northwest India . Sal explores the history of this civilization , its technological innovations , its art , its architectural practices , and its agriculture . Practice this yourself on Khan Academy right now: https://www . khanacademy . org/world-history/e/indu . . .

  9. Justification using second derivative: inflection point | AP Calculus AB | Khan Academy : Khan Academy

    We can justify whether a function has an inflection point by looking at where the second derivative changes its sign . Practice this lesson yourself on KhanAcademy . org right now: https://www . khanacademy . org/math/ap-calculus-ab/ab-derivatives-analyze-functions/ab-justification-with-second-derivative/e/justification-using-second-derivative?utm_source=YT&utm_medium=Desc&utm_campaign=APCalculusAB . . .

  10. archive.org11 min

    GMAT: Math 13 | Problem solving | GMAT | Khan Academy : Khan Academy

    70-75 , pg . 161 . Created by Sal Khan . Watch the next lesson: https://www . khanacademy . org/test-prep/gmat/problem-solving/v/gmat-math-14?utm_source=YT&utm_medium=Desc&utm_campaign=GMAT Missed the previous lesson? https://www . khanacademy . org/test-prep/gmat/problem-solving/v/gmat-math-12?utm_source=YT&utm_medium=Desc&utm_campaign=GMAT GMAT on Khan Academy: Sal works through the 249 problem sol . . .

  11. Volume word problems — Basic example | Math | New SAT | Khan Academy : Khan Academy

    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 lesson? https://www . khanacademy . org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q10-harder?utm_source . . .

  12. Differentiating using multiple rules: strategy | AP Calculus AB | Khan Academy : Khan Academy

    How to analyze the structure of an elaborate expression do determine which derivative rules to use , and (not less important) in what order . Practice this lesson yourself on KhanAcademy . org right now: https://www . khanacademy . org/math/ap-calculus-ab/ab-derivatives-advanced/ab-diff-mul-rules/e/differentiating-using-multiple-rules-strategy?utm_source=YT&utm_medium=Desc&utm_campaign=APCalculusAB . . .