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anonymous
 one year ago
V varies inversely with T and V = 12 when T = 6. Which equation shows this relationship?
A.
V = 72T
B.
v=72/t
C.
V = 2T
D.
v=2/t
anonymous
 one year ago
V varies inversely with T and V = 12 when T = 6. Which equation shows this relationship? A. V = 72T B. v=72/t C. V = 2T D. v=2/t

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mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.2The general equation for inverse variation is: If y varies inversely with x, then \(y = \dfrac{k}{x} \)

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.2In your case, V varies inversely with T, so use V instead of y and T instead of x in the equation above. Keep k as it is. What do you get?

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.2You are one step ahead of me. All I meant was for you to write \(V = \dfrac{k}{T}\), but you are already at the next step which is to replace V and T with the given values so you can calculate k. \(12 = \dfrac{k}{6} \) Now you need to solve for k.

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.2\(k = 72\) \(V = \dfrac{72}{T}\) You are correct.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0thank you very much.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0and can you help me with some others that i'm going to post?
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