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larisa [96]
3 years ago
12

Preform the indicated operation. Be sure the answer is reduced.

Mathematics
2 answers:
Arturiano [62]3 years ago
8 0
The answer is the last one
2x+1
——-
X-8
Verizon [17]3 years ago
5 0

Answer:

D. \frac{2x+1}{x-8}

Step-by-step explanation:

\frac{x+1}{x-8} - \frac{x}{8-x} = \\\\\frac{x+1 + x}{x-8} = \\\\\frac{x+1}{x-8} +\frac{x}{x-8} =\\\\\frac{x+1+x}{x-8} =\\\\\frac{2x+1}{x-8}

Correct choice is D

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Rr = 51 : 68

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Factor completely x3 − 2x2 − 5x + 10.
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(x-2) (x^2 -5)

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x^3 − 2x^2 − 5x + 10

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Amy gets a new kennel for her dog. A sketch of the kennel is shown here. If the roof is in the shape of a triangular prism (bott
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Answer:

<em>Surface area of the roof of the kennel, including the bottom face is 58.96 ft^2</em>

<em></em>

Step-by-step explanation:

The image is attached below

For the triangular sides of the roof, area is

A = \frac{1}{2}bh

where b is the base = 4 ft

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A =  \frac{1}{2}*4*2.24 = 4.48 ft^2

for the two faces we have 2 x 4.48 ft^2 = <em>8.96 ft^2</em>

For the rectangular sections of the roof, area is

A = lh

where l is the length of the rectangle = 5 ft

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For the two rectangular faces, we have 2 x 15 ft^2 = <em>30 ft^2</em>

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For the bottom face, area is

A = lw

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Surface area of the roof of the dog kennel is

<em>8.96 ft^2 + 30 ft^2 + 20 ft^2 = 58.96 ft^2</em>

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