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miskamm [114]
4 years ago
7

-4.2 (-2.8+4.5) what is the value of the expression

Mathematics
1 answer:
Artyom0805 [142]4 years ago
4 0
-7.14 should be your answer!
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Find the value of x<br> A.25<br> B.85<br> C.75<br> D.105
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Answer:

The value of x is 75

Step-by-step explanation:

First we need to find the other angle that doesn't have a number in it.

To find the degrees of the other angle we subtract 155 from 180.

180 - 155 = 25

Now we have to find the value of x. Add 80 and 25 together to get 105. A triangle is going to be 180 degrees. Subtract 105 from 180.

180 - 105 = 75

Now we will add 80, 25, and 75 to check our work.

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3 years ago
Is (7,0) a solution to the equation y = 2x + 7?
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here's an app that might explain it better, i use it alot, sybolab.com

Step-by-step explanation:

8 0
3 years ago
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lina2011 [118]

B) 0.24


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4 years ago
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