SOLUTION: If y is directly proportional to u and inversely proportional to the square of v, and y=7 when u=9 and v=6, what is y when u=4 and v=8?

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Question 943683: If y is directly proportional to u and inversely proportional to the square of v, and y=7 when u=9 and v=6, what is y when u=4 and v=8?
Found 2 solutions by josgarithmetic, MathTherapy:
Answer by josgarithmetic(39616)   (Show Source): You can put this solution on YOUR website!
The language for the first parts means , and you can solve this for k, use the values for the variables given in the next part, and determine the value of k.
Answer by MathTherapy(10551)   (Show Source): You can put this solution on YOUR website!

If y is directly proportional to u and inversely proportional to the square of v, and y=7 when u=9 and v=6, what is y when u=4 and v=8?





k = 7(4), or k = 28 ------ Cross-multiplying




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