jesscarrillo14
jesscarrillo14 jesscarrillo14
  • 18-02-2019
  • Mathematics
contestada

Suppose y varies directly with x. If y = –20 when x = 2, find y when x = 14

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wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 18-02-2019

Answer:

y = -140

Step-by-step explanation:

Y varies directly with x

y = kx

We know y = -20 when x =2, we can solve for k

-20 = k*2

Divide each side by 2

-20/2= 2k/2

-10 =k

y = -10x

Now we want to find y when x = 14

y = -10 *14

y = -140

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