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OpenStudy (anonymous):
Suppose that y varies directly with x and interversely with z, and y=18 when x=15. Write the equation that models the relationship Then find y when x=21 and z=7
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Nnesha (nnesha):
interversely ?? ;o
Nnesha (nnesha):
inversely right ?
OpenStudy (anonymous):
Yeah, whatever that means. Lol
Nnesha (nnesha):
okay @lol
OpenStudy (anonymous):
Im so exhausted from looking at questions i dont understand
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Nnesha (nnesha):
okay equation for direct variation is y = kx and inverse variation is y = k/x <--- inverse so k is dividing by x
OpenStudy (anonymous):
okay
Nnesha (nnesha):
|dw:1431318887384:dw| inverse k/z so that's how you should write an equation for this question
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