If y varies inversely as x, and y = 12 when x = 6, what is K, the variation constant?
A. 1⁄3 C. 72
B. 2 D. 144

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  1. well, xy=k, so

    12*6 = k

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  2. y=k/x

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  3. y varies inversely as x. y=12 when x=7. Find y when x=6.

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  4. If all men had identical body​ types, their weight would vary directly as the cube of their height. The tallest person reached a record height of 8 feet 11 inches ​(107 ​inches) before his death at age 22. If a man who is 6 feet 10 inches tall ​(82 ​inches) with the same body type as the tallest person weighs 190 ​pounds, what was the tallest​ person's weight shortly before his​ death?

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