If y varies inversely as x and y= 14 when x = 3, find x when y = 84?

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2007-01-18 08:42:35 · 4 answers · asked by Math Freak 1990 1 in Science & Mathematics ➔ Mathematics

x = 1/2

2007-01-18 08:45:30 · answer #1 · answered by Alavalathi 3 · 0⤊ 0⤋

Inverse variation means xy = constant.

So 3 • 14 = constant = x • 84.
3 • 14 / 84 = 1/2 = x.

2007-01-18 08:46:50 · answer #2 · answered by Philo 7 · 0⤊ 0⤋

x = .5

2007-01-18 08:46:18 · answer #3 · answered by choco taco 3 · 0⤊ 0⤋

You will not learn anything if you put every exercise of your homework on Y! Answers!

2007-01-18 08:48:20 · answer #4 · answered by Wortex 2 · 0⤊ 0⤋