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ehidna [41]
3 years ago
5

Someone please help ASAP will give brainliest

Mathematics
1 answer:
iren [92.7K]3 years ago
7 0

Your answer is B Hope I helped :)

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Factor the expression -10x^2-41x-21
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-10x^2-41x-21= -(10x^2+41x+21) =-(10x^2+35x+6x+21)=\\\\=- [(10x^2+35x)+(6x+21 )]=- [5x(2x +7 )+3(2x+7 )]=-(2x+7)(5x+3)


5 0
3 years ago
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The diameter of a cylindrical construction pipe is 4ft If the pipe is 17ft long, what is its volume? Use the value 3.14 for /pi,
Leya [2.2K]

Answer:

213.52 cubic ft

Step-by-step explanation:

Diameter of pipe = 4ft

radius for circle is half of diameter

thus radius of pipe = 1/2 of 4ft = 2 ft

length of pipe = 17 feet

volume of cylinder is given by \pi r^2l

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thus volume of pipe is calculated below using above values

volume \ of \ pipe = \pi r^2l\\volume \ of \ pipe = \3.14* 2^2*17 \\volume \ of \ pipe =  213.52

volume of pipe is 213.52 cubic ft.

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3 years ago
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Nostrana [21]
Where is the picture?
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3 years ago
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galina1969 [7]

Answer:

a.2

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3 years ago
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√25 + √144 +√100<br>who know pls​
pychu [463]

Answer:

27

Step-by-step explanation:

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