bellakcham7 bellakcham7

05-09-2020
Mathematics

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Suppose y varies directly with x, and y = 15 when x = 3. What is y when x = 12?

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wegnerkolmp2741o wegnerkolmp2741o

05-09-2020

Answer:

y = 60 when x = 12

Step-by-step explanation:

Direct variation is

y = kx

15 = k3

Divide by 3

15/3 = k

5 =k

y = 5x

Let x = 12

y = 5*12

y = 60

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