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26-05-2017
Mathematics

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7. Write an equation for the inverse variation. Y=7 when X=3.

A. Y=21
B. X=21
C. Y=21/X
D. X=21Y

Respuesta :

paulancka paulancka

26-05-2017

y = kx direct variation
y = k/x inverse variation

7 = k/3 so k = 21

y = 21/x is the answer you seek :)

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