dynastylouissaint dynastylouissaint

08-02-2021
Mathematics

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The value of y varies directly with x, and y=-2 when x=5. Find y when x=15.

A. -6

B. 6

C. 37.5

D. -37.5

Respuesta :

reeserl reeserl

08-02-2021

Answer:

A -6

Step-by-step explanation:

Since y varies directly with x, then y = kx

-2 = 5k

k = -2/5

Now, y = (-2/5)15 = -6

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