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OpenStudy (anonymous):
Assume that y varies inversely as x. If x = 12 when y = 9, what is x when y = -3?
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OpenStudy (anonymous):
an inverse equation is y=k/x or xy=k so to find k you need to plus in the variables: (9)(12)=k k=108 the equation is then xy=108 and now plug in y and solve for x x(-3)=108 x=-16
OpenStudy (anonymous):
sorry x=-36
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