A child flies a kite at a height of 90 ft, the wind carrying the kite horizontally away from the child at a rate of 30 ft/ sec. How fast must the child let out the string when the kite is 150 ft away from the child? ..... The child must let out the string at a rate of ft / sec when the kite is 150 ft away from the child. (Simplify your answer.)
A child flies a kite at a height of 90 ft, the wind carrying the kite horizontally away from the child at a rate of 30 ft/ sec. How fast must the child let out the string when the kite is 150 ft away from the child? ..... The child must let out the string at a rate of ft / sec when the kite is 150 ft away from the child. (Simplify your answer.)
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter12: Quadratic Functions
Section12.8: Joint And Combined Variation
Problem 7P
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Transcribed Image Text:A child flies a kite at a height of 90 ft, the wind carrying the kite horizontally away from the child at a rate of 30 ft / sec. How fast must the child let out the string when
the kite is 150 ft away from the child?
The child must let out the string at a rate of
ft / sec when the kite is 150 ft away from the child.
(Simplify your answer.)
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