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Cerrena [4.2K]
4 years ago
6

30π cm3 35π cm3 40π cm3 45π cm3

Mathematics
2 answers:
dezoksy [38]4 years ago
8 0
In this question, the volume of the cone is needed. The equation used to determine the volume of the cone is (1/3)π(r²)h
To solve for the volume, 
V = (1/3)π(3²)(10)
   = (1/3)(9)(10)π
   = (3)(10)π
   = 30π cm³
The correct answer is the first option which is 30π cm³.
Ahat [919]4 years ago
4 0

Answer: A. 30π cm3

Step-by-step explanation:

The equation for cones

V = (1/3) π * r² * h

Plug in the numbers r = radius which is half of the diameter and h = height. Also leave out π because of the answer choices.

so... (1/3) * 3² * 10 = 30

30π

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Answer:

y=-4/5 x + 7

Step-by-step explanation:

Subtract 8 x by 8 x. Do not put 8 x under 10 y or 70.

Then divide 10 by all of the terms.

Then you have: y= 7  - 8/10 x

But then you have to flip 7 and - 8/10 x

And get y= -8/10 x + 7

Simplified is y= 4/5 x + 7

REMEMBER: y=m x + b

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3 years ago
The ratio of men to women is 5 to 8. If there are 286 employees total how many women work for the company ??
Brut [27]

Answer:

There are 176 women in the company.

Step-by-step explanation:

Let number of men are 5x and number of women are 8x.

Total number of employees in the company are 286.

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5x+8x = 286\\\\13x=286\\\\x=\dfrac{286}{13}\\\\x=22

Total no of women are 8x. It means 22\times 8=176. Hence, there are 176 women in the company.

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4 years ago
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larry wants to buy some carpeting for his living room. the length of the room is 2 times the width and the total area of the roo
gayaneshka [121]
So here is the solution of the given problem above.
To find the area we are just going to use this formula. A = L x W.
Let x be the width and 2x is the length. Given that the area is 8 square meters. So let us find x first.
Plug in the values:
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