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January 30, 2015

Homework Help: calculus helpppp!

Posted by chris on Monday, December 8, 2008 at 4:10pm.

a 20m ladder rests vertically against the side of a barn. a pig that has been hitched to the ladder starts to pull the base of the ladder away from the wall at a constant rate of 40 cm per second. find the rate of change of the height of the top of the ladder after 30 secs

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