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Alex_Xolod [135]
3 years ago
10

Solve for x. WRITE AN EQUATION AND SHOW YOUR WORK

Mathematics
1 answer:
PolarNik [594]3 years ago
4 0

Answer:

9) x = 9

10) x = - 8

11) x = 7

Step-by-step explanation:

9)

(180 - 15x + 4) + 7x + 1 + 67 = 180

180 - 15x + 4 + 7x + 1 + 67 = 180

-15x + 4 + 7x + 1 + 67 = 0

-8x + 72 = 0

72 = 8x

x = 9

10)

100 = x + 108

100 - 108 = x

x = -8

11)

10x - 1 + 17x - 8 = 180

27x - 9 = 180

27x = 189

x = 7

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The porosity of the gravel sample is 28.75%

We have to determine.

What is the porosity of the gravel sample?

<h3>The porosity of the gravel sample;</h3>

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The formula used to calculate the Porosity is;

\rm Porosity =\dfrac{Volume \ of \ voids \ present \ in soil}{Volume \ of \ soil}

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Porosity is the property of a question that communicates the entire volume of purge or pore space within the material.

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2 years ago
Can someone help pls
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Step-by-step explanation:

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3 years ago
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Answer:

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