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Ira Lisetskai [31]
3 years ago
8

MDEG

Mathematics
1 answer:
Margaret [11]3 years ago
5 0
The answer would be 84
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3, A cube has a volume of 12 167 cm’. Calculate: (a) the height of the cube. (b) the area of one face of the cube.​
Anastaziya [24]

Answer:

A. V =  a^{3}

   a= V^1/3 = 12167^1/3 = 23cm

The height = 23cm

B. Area of one face of the cube = 6*S^{2} = 6*23^{2} = 3174cm^{2}

Step-by-step explanation:

A. To find the height of the cube, I used the cube root of the given volume, since the volume of a cube is equal to the cube root of its length/height

B. To find the area of one side of the cube, I sustitute S for the side length/height of the cube, which is 23cm. Then I multiplying the length of the cube's side by its width to find its area, since the length and width of a cube's side is the same.

8 0
3 years ago
In a school 3/5 of children are boys and the number of girls is 2000. Find the number of boys.
Ahat [919]

Answer:

3000

Step-by-step explanation:

7 0
3 years ago
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Solve for p<br> -6p+3=21<br> p=what
alexandr1967 [171]

Answer:

p = -3

Step-by-step explanation:

can i have a brainlest

8 0
3 years ago
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Use the following trinomial to answer the questions. x^2-6x-27 When going through the process of determining the factors, the tw
Sauron [17]

Answer:

The factors are 3 and -9

Step-by-step explanation:

The given trinomial is x^2-6x-27.

We need to find two factors. We know that,

3(9) = 27

So,

x^2-6x-27 can be written as :

x^2+3x-9x-27 as two factors add up to get -6 and multiply to get -27.

Hence, the factors are 3 and -9.

5 0
3 years ago
Solve for x.5(2x - 4) = 45
jok3333 [9.3K]
5(2x - 4) = 45
5(2x) - 5(4) = 45
10x - 20 = 45
10x = 45 + 20
10x = 65
x = 65/10
x = 13/ 2
Thus, x is equal to 13/2
3 0
3 years ago
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