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Mathematics 8 Online
OpenStudy (cheesecakekitten):

Easy Medal

OpenStudy (cheesecakekitten):

In a relationship, I varies inversely with R, and I = 0.15 when R = 50. Which equation could be used to show this relationship? A. I = 7.5/R B. I = 7.5R C. IR = 0.75 D. I = R/75

OpenStudy (cheesecakekitten):

((You people move fast...)

OpenStudy (damonte212):

A for sure

OpenStudy (anonymous):

it would be a because all you do is plug in the values to get.15=7.5/50 which equals .15=.15

OpenStudy (cheesecakekitten):

wait the last one was supposed to be 7.5 not 75

OpenStudy (anonymous):

yeah it is a

OpenStudy (cheesecakekitten):

KK.

OpenStudy (cheesecakekitten):

What is the constant of variation for this relationship? xy = -16 A. -16 B. -1.6 C. 1/4 D .-0.16

OpenStudy (retireed):

R = (1/I) * X R*I = X 50 * 0.15 = 7.5 = R*I I = 7.5 / R

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