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anonymous

  • one year ago

will give medal for answer and explanation pls help What is the constant of variation for the quadratic variation? 9y = 4x2 A.-2 B.4/9 C.2/3 D.9/4

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  1. anonymous
    • one year ago
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    and your thoughts?

  2. anonymous
    • one year ago
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    im thinking b?

  3. anonymous
    • one year ago
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    mathway?

  4. anonymous
    • one year ago
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    Okay, so since y is being multiplied by 9 and you want y by itself, divide both sides by 9.

  5. anonymous
    • one year ago
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    1 and 2

  6. anonymous
    • one year ago
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    9/9.1 4/9.2

  7. anonymous
    • one year ago
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    Remember that y=kx^2. And you want to know k.

  8. anonymous
    • one year ago
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    |dw:1436053521059:dw|

  9. anonymous
    • one year ago
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    You're correct, though.

  10. anonymous
    • one year ago
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    Do you know what k is? :)

  11. anonymous
    • one year ago
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    thanks for your help can you help me with one more

  12. anonymous
    • one year ago
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    Sure. :)

  13. anonymous
    • one year ago
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    k

  14. anonymous
    • one year ago
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    If f(x) varies directly with x2, and f(x) = 75 when x = 5, find the value of f(4). A. 100 B. 50 C. 48 D. 25

  15. anonymous
    • one year ago
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    Would be better if you'll open a new question. :)

  16. anonymous
    • one year ago
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    ok

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spraguer (Moderator)
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