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lora16 [44]
3 years ago
11

Could someone please answer these questions with simple yet explanatory answers?

Mathematics
1 answer:
Snowcat [4.5K]3 years ago
7 0
12. To find the area of a triangular prism use the formulas for a prism and for a triangle. To find area of the triangle, do 1/2base*height. 1/2(8*6)=24 Now multiply by the length of the prism to find the volume. 24*3=72. 13. 150/ (7*8) = 2.68 14. 1/2x^3
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Which equation has x = 4 as the solution?
Sindrei [870]
16=4 because in order to get 4 you need have to divide 16 into 4
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Someone help me with algebra please? First day here too.
Anvisha [2.4K]
The last one
yes
im right u can ask google
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Solve the inequality<br> <img src="https://tex.z-dn.net/?f=2%285c-7%29%5Cgeq%2010%28c-3%29" id="TexFormula1" title="2(5c-7)\geq
alina1380 [7]

1 Remove parentheses.

2(5c−7)≥c−3

2 Expand.
10c−14 ≥ c −3


3 Add 14 to both sides.
10c-14+14≥ c − 3+14


4 Simplify c−3+14 to c+11
10c≥c+11

5 Subtract c from both sides.

10c−c≥11

6 Simplify 10c−c to 9c
9c≥11

7 Divide both sides by 9.
c ≥11/9
​
​​
5 0
2 years ago
Jenny uses a roller to paint a wall. The roller has a radius of 1.75 inches and a height of 10 inches. In two rolls, what is the
Katen [24]

Answer:

The area of the wall that she will paint in two rolls is <u>219.8 inches²</u>.

Step-by-step explanation:

Given:

Jenny uses a roller to paint a wall. The roller has a radius of 1.75 inches and a height of 10 inches.

Now, to find the area of the wall that she will paint in two rolls.

So, we find the lateral surface area of roller.

Radius (r) = 1.75 inches.

Height (h) = 10 inches.

So, to get the lateral surface area we put formula:

A_{L} =2\pi rh

A_L=2\times 3.14\times 1.75\times 10

A_L=109.9\ inches^2.

Thus, the lateral surface area of the roller = 109.9 inches².

Now, to get the area of wall that she will paint in two rolls we multiply 2 by the lateral surface area of the roller:

109.9\times 2\\\\=219.8\ inches^2.

Therefore, the area of the wall that she will paint in two rolls is 219.8 inches².

3 0
3 years ago
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Activity 1<br>Calculate the following:<br>1. 68% of 418,​
il63 [147K]

Answer:

284.24

Step-by-step explanation:

by multiplying 0.68 to 418 we get 68% of 418

7 0
3 years ago
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