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Blababa [14]
2 years ago
12

Need help will reward

Mathematics
1 answer:
sweet [91]2 years ago
5 0
Submit anwser it’s correct can i get brainliest
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The length of each edge of a cube is x centimeters. If x is an integer, why is the volume of the cube not equal to 15m^3?
Nadusha1986 [10]

Suppose the length of each side of the cube is x, so the volume must be:  

x^3.  

If the volume is 15 cm^3, so the length must be cuberoot(15) which is not integer,. So, the volume of the cube with integer side never equal with 15 cm^3

4 0
3 years ago
A pile of newspapers in Ms.
pochemuha

Answer:

4*4=16+7=23

Step-by-step explanation:

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2 years ago
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For all values of x, which expression is equivalent to 2x + 5 − x + 3x + x − 2?
koban [17]

Answer:

5x + 3

Step-by-step explanation:

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(2x − x + 3x + x) + (5 − 2)

2) Simplify

5 x + 3

4 0
3 years ago
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What are some solution(s) to the quadratic equation 40 - x^2 = 0
Serhud [2]

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x = ± 2\sqrt{10}

Step-by-step explanation:

given

40 - x² = 0 ( add x² to both sides )

40 = x² or

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x = ± \sqrt{40} = ± \sqrt{4(10)} = ± 2\sqrt{10}

3 0
2 years ago
How many atoms are contained in 1cm of<br> interstellar space?
Lubov Fominskaja [6]

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0.1 atoms

Step-by-step explanation:

Typically, there is 0.1 atoms in each cubic centimeter of interstellar wind, and 10 ions in each cubic centimeter of solar wind (versus surface air which contains 3 x 10^19 molecules per cc). This means there is a great deal of dead space between the very tiny particles and collisions are rare.

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3 years ago
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