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OpenStudy (anonymous):
Find the value of Y for a given value of X, if Y varies directly with X. If Y =2.52 when X = 8.4, what is Y when X= 2.7? A. 9 B. -9 C. 0.81 D. -0.81
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OpenStudy (anonymous):
Is it a proportion?
OpenStudy (cj49):
y=kx 2.52=k8.4 k=2.52/8.4 k=0.3 y=03x2.7 y=0.81
OpenStudy (anonymous):
Thank you so much! :) at was super easy for you huh? -_- I feel dorky...thanks dude.
OpenStudy (cj49):
lol...np...y varies directly with x means y=kx ( k is the constant)
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