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Gnoma [55]
3 years ago
10

The area if the top of a cube is 9 aquare meters . what is the volume of the cube?​

Mathematics
2 answers:
sertanlavr [38]3 years ago
6 0

Volume of a cube = length · width · height, or:

Volume of a cube = length³

We know that a cube is made up of 6 squares, so if the area of one of the squares is 9, we can take the square root to find the sides:

√9 = ±3

(and in this case, you can't have negative measurements, so it's positive.)

Now, all we have to do is cube the side length, so:

3³ = 27.

If you have any questions, feel free to ask! :)

kap26 [50]3 years ago
3 0

Answer:

27 cubic meters

Step-by-step explanation:

For square, length and width is same.

3x3 = 9 square meters

3x3x3 = 27 cubic meters

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What is the probability that a randomly selected person supports the new station??
mezya [45]

Answer:

.52

Step-by-step explanation:

We can write an equation

supports/all

we can see that 27 males and 25 females support which means that

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now we just need to find the number of people surveyed

we do this by summing everything

27+25+18+13+5+12=100

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4 0
3 years ago
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The probability that a randomly selected elementary or secondary school teacher from a city is a female is , holds a second job
julsineya [31]

Answer:

The probability that an elementary or secondary school teacher selected at random from this city is a female or holds a second job is 0.90.

Step-by-step explanation:

Denote the events as follows:

<em>X</em> = an elementary or secondary school teacher from a city is a female

<em>Y</em> = an elementary or secondary school teacher holds a second job

The information provided is:

P (X) = 0.66

P (Y) = 0.46

P (X ∩ Y) = 0.22

The addition rule of probability is:

P(A\cup B)=P(A)+P(B)-P(A\cap B)

Use this formula to compute the probability that an elementary or secondary school teacher selected at random from this city is a female or holds a second job as follows:

P(X\cup Y)=P(X)+P(Y)-P(X\cap Y)\\=0.46+0.66-0.22\\=0.90

Thus, the probability that an elementary or secondary school teacher selected at random from this city is a female or holds a second job is 0.90.

4 0
4 years ago
How to find the radius of square that tells you length, width, and height.
Anna [14]
Well diameter will be the diagnol of that square..

let side of square be x, then diagonal will be root2 * x  = diameter

so, raidus will be = dia/ 2
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5 0
3 years ago
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Yuki888 [10]

Answer:

6x+2

Step-by-step explanation:

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13x-7x= 6x

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so teh answer would be

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3 0
3 years ago
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Michael bought three baseballs from a sports store. Each baseball cost the same amount. The total cost was $8.37. If c represent
ANEK [815]

Answer:

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Step-by-step explanation:

3c=8.37 divide 3c and 8.37 by 3 and it will tell you that c = 2.79.

3 0
3 years ago
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