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If y varies inversely as v and x = 63 when v = 6, how do you find x when v = 54?

Answer 1

Hazel Anglin

#x=472.5#

show that #x=63# when #v=6#

when #x=?# v equal #v=54#

so, #x=[63*45]/6=2835/6=472.5#

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Answer 2

Abigail Allen

To find x when v = 54, use the inverse variation formula: y = k/x. First, find the constant of variation (k) using the given values: x = 63 and v = 6. 63 * 6 = k k = 378. Now, plug in the new value of v (54) and solve for x: y = 378/54 x = 7.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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