which of the following describes a combined variation?
a. Z varies directly as X and inversely as Y
b. Z varies directly s x
c. Z varies inversely as X
d. Z varies as X and Y
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which of the following describes a combined variation?
a. Z varies directly as X and inversely as Y
b. Z varies directly s x
c. Z varies inversely as X
d. Z varies as X and Y
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Verified answer
a. Z varies directly as X and inversely as Y
Explanation:
Combined variation describes the relationship between three or more variables that vary directly and inversely with one another.