bubayturtlepies
bubayturtlepies bubayturtlepies
  • 15-06-2016
  • Mathematics
contestada

Suppose that y varies inversely with x. Write an equation for the inverse variation. Y =4 when x =7

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asnaseer
asnaseer asnaseer
  • 15-06-2016
If y varies inversely as x, then we write it as:
y = k/x

where k is some constant.

If we multiply both sides of this equation by x we get an equation for k:
k = x*y

We are given that y=4 when x=7, therefore:
k = 7*4 = 28

Put this back into our original equation to get:
y = 28/x
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7u9uf9vf9g
7u9uf9vf9g 7u9uf9vf9g
  • 04-01-2021

Answer:y=28/x

Step-by-step explanation:

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