3 years ago

A).

Mathematics

1 answer:

insens350 [35]3 years ago

6 0

Answer:

Step-by-step explanation:

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PLEASE HELP DUE AT MIDNIGHT

tatyana61 [14]

Answer:

268.1

Step-by-step explanation:

Area of Sphere =

$\frac{4}{3} \pi {r}^{3} \\ = \frac{4}{3} \pi {4}^{3} \\ = 268.1 {units}^{3} (nearest \: tenth)$

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3 years ago

The ration of girls to boys is 7:8. If there are 140 girls, how many boys are there?

Triss [41]

Answer:

160

Step-by-step explanation:

140 divided by 7 equals 20, then you times the answer by 8, which you get 160.

7 0

3 years ago

Solve algebraically for x:3(x+1)-5x=12-(6x-7)

xeze [42]

Answer:

x=4

Step-by-step explanation:

3(x+1)-5x=12-(6x-7)

3x+3-5x= 12-6x+7

-2x+3=19-6x

-2x+6x=4x

19-3=16

4x=16

16/4=4

x=4

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3 years ago

Help! Solve these, please!

jeyben [28]

Answer:

The area of the triangle is 25 units

Step-by-step explanation:

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3 years ago

Read 2 more answers

A glass company is repairing a window in the shape of an equilateral triangle. If the length of one side of the triangle is 17 i

nalin [4]

Answer:

the cost of the replacement window will be $<u>1501.44</u>.

Step-by-step explanation:

area of an equilateral triangle:

$A = \frac{\sqrt{3}}{4} a^{2}$

A = (√3)/4 * (17)^2

A = 125.12 in^2

125.12 * 12 = <u>$1501.44</u>

4 0

3 years ago