proscaterxxpp proscaterxxpp

21-04-2020
Mathematics

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If y varies directly as x, find k if y = 27 and x = 3.

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wegnerkolmp2741o wegnerkolmp2741o

21-04-2020

Answer:

k=9

Step-by-step explanation:

The formula for direct variation is

y = kx

We know y and x

27 = k*3

Divide each side by 3

27/3 = 3k/3

9 =k

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