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20 August, 13:28

Find the constant of variation for the relation and use it to write an equation for the statement. Then solve the equation.

If y varies inversely as the square of x, and y=4/63 when x=3, find y when x=5

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  1. 20 August, 13:35
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    Equation is x = yd

    We need to find out d, so d is 3 divided by 4/63

    So d is 47.25

    So the general equation is now x = y multiplied by 47.25

    If x is 5 then you would do

    5 = y multiplied by 47.25

    Now, to find out y, you would do opposite operation and divide 47.25 by 5

    Which is 9.45
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