dynastylouissaint
Answered

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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

Sagot :

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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