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OpenStudy (anonymous):
For the statement, find the constant of variation and the variation equation. y varies jointly as x and the cube of z; y=48 when x=3 and z=2 Find the constant of variation k. k= Write the variation equation. y=___xz^3
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OpenStudy (jordan123321):
what do you think
OpenStudy (anonymous):
plugging in, y=z/x
OpenStudy (jordan123321):
your correct and no im not
OpenStudy (anonymous):
I know something has to plug in...
OpenStudy (anonymous):
wait a sec "y varies jointly as x and the cube of z" so would I plug in x and y in the y=xz^3??
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OpenStudy (anonymous):
@sleepyhead314
OpenStudy (anonymous):
@Nnesha
Nnesha (nnesha):
*jointly* do you know what equation you should use ?? and there suppose to be *k" in the equation
OpenStudy (anonymous):
no im not sure... I know I have to find k, but not sure how
Nnesha (nnesha):
*jointly* is use only for direct variation which means that it suppose to be y = kx form so |dw:1426902783832:dw| equation
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