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frutty [35]
3 years ago
9

Kris is staining 30 wooden rectangular fence pieces. The fence pieces are different sizes, and Kris wants

Mathematics
1 answer:
bixtya [17]3 years ago
5 0

Answer:

D

Step-by-step explanation:

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g A 5 foot tall man walks at 10 ft/s toward a street light that is 20 ft above the ground. What is the rate of change of the len
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-\frac{10}{3}ft/s

Step-by-step explanation:

We are given that

Height of man=5 foot

\frac{dy}{dt}=-10ft/s

Height of street light=20ft

We have to find the rate of change of the length of his shadow when he is 25 ft form the street light.

ABE and CDE are similar triangle because all right triangles are similar.

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Hence, the rate of change of the length of his shadow when he is 25 ft from the street light=-\frac{10}{3}ft/s

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3 years ago
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