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nirvana33 [79]
3 years ago
15

−4n−8=4(−3n+2) solve for n

Mathematics
1 answer:
IRINA_888 [86]3 years ago
5 0
-4n-8=-12n+8
-4n+12n=8+8
collect the like terms
8n=8+8 then you add 8+8
8n=16 divide both sides by 8
n=2
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2 years ago
Select all the exspressions that are all equivalent to 20 percent of 150
Dmitriy789 [7]

<em>Note: It seems you may have unintentionally missed adding the answer choices. Thus, I am solving your question in general to give you the idea of how the percentage works, which anyways would solve your query.</em>

<em></em>

Answer:

Please check the explanation.

Step-by-step explanation:

Given that we have to determine the expressions which are equivalent to 20 percent of 150.

First, we need to determine what actually 20 percent of 150 really brings.

i.e

20% of 150 = 20/100 × 150

                   = 30

Thus,

20% of 150 = 30

Therefore, any expression that is equivalent to 30 will be included in the answer to this question.

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2 years ago
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scoundrel [369]

Answer:

All you have to do is divide both sides by 2.5 to find your answer.

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The answer is X = 14.

I hope this helps!

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8 0
3 years ago
Would love some help
natali 33 [55]
<h3>Answer: 90 cubic meters</h3>

Each triangle has a base of 10 and height of 3.6

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multiply this with the height of the prism (5 meters) to get 18*5 = 90 cubic meters. I'm using the idea that,

volume of prism = (area of base face)*(height of prism)

The notation "m^3" is shorthand for "cubic meters"

We do not use the other dimensions of 9 m and 7 m.

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Step-by-step explanation:


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3 years ago
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