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  • 26-05-2017
  • Mathematics
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plz help..............

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bcalle
bcalle bcalle
  • 26-05-2017
y = kx is the direct variation equation.
First find k, the constant of variation.
50 = k(-10)
Divide both sides by -10
-5 = k
Plug this back into the equation and solve for the new y.
y = (-5)15
y = -75
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