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# X varies inversely as Y^2, if X=2 when Y=8, what's Y when X=7?

I know the first part, K=128. It's the second part I'm having trouble with....?

Update:

L.E. Grant, should the final answer 128/7 be inside a radical because of the Y^2?

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- Anonymous4 years ago
it appears like one to me. yet it somewhat is in simple terms proportionally. for all all people comprehend, there is like a conic equation or quadratic or some thing on the decrease back of the question. yet proportionally, the respond is one million.

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