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OpenStudy (lifeisadangerousgame):
Suppose p varies directly as d, and p = 2 when d = 7. What is the value of d when p = 10? Is the answer d = 20/7?
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OpenStudy (amistre64):
directly is a p/d = k type relation
OpenStudy (lifeisadangerousgame):
my possible answers are A. d = 35 B. d = 15 C. d = 7/5 D. d = 20/7
OpenStudy (amistre64):
k = 2/7 regardless 10/d = 2/7 id go 70/2 perhaps
OpenStudy (amistre64):
70/2 = 35 :)
OpenStudy (hoblos):
p varies directly as d => p=kd p = 2 when d = 7 => k=2/7 p=2/7 d d= 7/2 p d= 70/2
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OpenStudy (lifeisadangerousgame):
Thank you!
OpenStudy (anonymous):
p = 10 * 7/2 = 35
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