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Suppose that (y) varies with (x). Write an equation for the inverse variation.

y=4 when x=7

A: y= x/28

B: y=3x

C: x= y/3

D: y= 28/x

Respuesta :

musiclover10045

y = k/x, where k is the constant
if x = 7 and y = 4
 4=k/7


k = 4*7 = 28
 

y = 28/x

 answer is D

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