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Dennis_Churaev [7]
3 years ago
10

A tree that is 100 feet tall casts a shadow that is 150 feet long. determine the angle at which the rays of the sun hit the grou

nd, to the nearest degree.
a.31°
b.34°
c.42°
d.56°
Mathematics
1 answer:
Eddi Din [679]3 years ago
6 0
34..............................

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garik1379 [7]

2ax-6ay+bx-3by

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A family wants to build a rectangular garden on one side of a barn. If 600 feet of fencing is available to use, then what is the
vovangra [49]

Answer: (A) A=300l-l^{2}

               (B) Length varies between 1 and 150

               (C) Largest area is 22500ft²

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2l+2w=600

Area of a rectangle is calculated as

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Now, we have a system of equations:

2l+2w=600

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2w=600-2l

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Substitute in the area equation:

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(A) <u>Function of area in terms of length is given by </u><u>A = 300l - l²</u>

(B) The practical domain for this function is values between 1 and 150.

(C) For the largest area, we need to determine the largest garden possible. For that, we take first derivative of the function:

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A = 150*150

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