Suppose that r varies directly as p and inversely as q², and that r=27 when p=3 and q=2. How do you find r when p=2 and q=3?

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Suppose that r varies directly as p and inversely as q², and that r=27 when p=3 and q=2. How do you find r when p=2 and q=3?

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Answer 1 · 2016-07-28T10:25:37

When #p=2 ; q=3; r=8#

Explanation:

#rpropp ; r prop 1/q^2 :.r prop p/q^2 or r=k*p/q^2 ; r=27 ; p=3 and q=2 :. 27=k*3/2^2 or k=27*4/3=36#Hence the variation equation is #r=36*p/q^2 :.#When #p=2 ; q=3; r=36*2/3^2=8#[Ans]

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Suppose that r varies directly as p and inversely as q², and that r=27 when p=3 and q=2. How do you find r when p=2 and q=3?

1 Answer

Explanation:

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