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Mathematics, 09.12.2020 23:30 lexxa58
The variable z varies jointly with x and y. Also, z = -75 when x = 3 and y = -5.
What equation describes this variation?
A). x=kyz
B). y=kxz
C). z=kxy
D). k=xyz
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The variable z varies jointly with x and y. Also, z = -75 when x = 3 and y = -5.
What equation desc...
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