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If y varies jointly as x and z, and y=−16 when x=4 and z=2, find y when x is −1 and z is 7.

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4 votes

Answer:

y= -16

Explanation:

lmk if im wrong but the image is my explanation

If y varies jointly as x and z, and y=−16 when x=4 and z=2, find y when x is −1 and-example-1
User Eeezyy
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