A light placed 10 ft. above the ground is 30 ft. from a building. A man 6 ft. tall walks from the light toward the building at the rate of 5 ft./sec. Find the rate at which the length of his shadow on the wall is changing when he is 15 ft. from the building.

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
Chapter2: Working With Real Numbers
Section2.3: Rules For Addition
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A light placed 10 ft. above the ground is 30 ft. from
a building. A man 6 ft. tall walks from the light|
toward the building at the rate of 5 ft./sec. Find the
rate at which the length of his shadow on the wall
is changing when he is 15 ft. from the building.
Transcribed Image Text:A light placed 10 ft. above the ground is 30 ft. from a building. A man 6 ft. tall walks from the light| toward the building at the rate of 5 ft./sec. Find the rate at which the length of his shadow on the wall is changing when he is 15 ft. from the building.
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