2 years ago

Please help and make sure it is accurate..

Mathematics

1 answer:

Blizzard [7]2 years ago

7 0

Your answer is the second one

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Ellis is painting wooden fenceposts before putting them in his yard. They are each 5 feet tall and have a diameter of 1 foot. Th

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Answer:

39.25 cubic feet of paint will be needed by Ellis.

Step-by-step explanation:

Volume of a cylinder:

The volume of a cylinder of radius r and height h is given by:

$V = \pi r^2h = 3.14r^2h$

How much paint will Ellis need to paint all the surfaces of the 10 fenceposts?

This is the combined volume of these 10 fenceposts.

They are each 5 feet tall and have a diameter of 1 foot.

Radius is half the diameter, so $r = \frac{1}{2} = 0.5$ . Also $h = 5$

10 fenceposts:

Each has the same volume, so:

$V = 10(3.14)r^2h = 31.4(0.5)^2(5) = 39.25$

39.25 cubic feet of paint will be needed by Ellis.

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2 years ago

There has been a great deal of controversy over the last several years regarding what types of surveillance are appropriate to p

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Answer:

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Step-by-step explanation:

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3 years ago

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PLLLLLEASE I NEED HELP SO BADLY PLEASE ASAP PLEASE PLEASE T_T

olchik [2.2K]

Answer:

$x^2+7x-8-\frac{3}{x-7}$

Step-by-step explanation:

I think this question is a bit hard to explain by typing, so I'll add an image down below.

I used long division for this question, and the final answer is: $x^2+7x-8-\frac{3}{x-7}$

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1 year ago