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OpenStudy (anonymous):
if m varies directly as p, and m=5 when p=7, what is the constant of variation?
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OpenStudy (anonymous):
m varies directly as p means m = kp
OpenStudy (anonymous):
Substituting in for m and p 5 = k(7)
OpenStudy (anonymous):
Solve for k by dividing by 7 5 = k(7) - --- 7 7 5/7 = k
OpenStudy (anonymous):
Now start over with m = kp but put in 5/7 for k m = 5/7p
OpenStudy (anonymous):
Oops.. didn't read the problem.. your constant of variation means the same as the value of k so the answer is 5/7
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OpenStudy (anonymous):
haha thank you :)
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