jacielposada jacielposada

03-09-2018
Mathematics

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y varies inversely as x. if x = 7 then y = 6. Find y when x = 4.

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smmwaite smmwaite

03-09-2018

Answer

10.5

Explanation

Y varies inversely as x

Y ∝ 1/x

Y = k/x K is the the constant of variation

k = Yx

= 6 × 7 = 42

Y = 42/x

Y = 42/ 4

= 10.5

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