hamiltonwhiz1
hamiltonwhiz1 hamiltonwhiz1
  • 11-01-2021
  • Mathematics
contestada

The variables x=9 and y=15 vary directly. Write an equation that relates the variables

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cwrw238 cwrw238
  • 11-01-2021

Answer:

x = 0.6y.

Step-by-step explanation:

x = ky  is direct variation where k is some constant;

Now we find k:-

Substituting for x and y:

9 = k*15

k = 9/15 = 0.6

So the equation is

x = 0.6y.

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hzcsubsfjageh hzcsubsfjageh
  • 11-01-2021
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