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LuckyWell [14K]
3 years ago
6

Simplify this expression 3-(7a+1)

Mathematics
1 answer:
Vinil7 [7]3 years ago
5 0
3 - (7a + 1) =
3 - 7a - 1 =
-7a + 2 <===
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What is m angle M? ​
melisa1 [442]

Answer:

angle M = 98

Step-by-step explanation:

since they all equal 180

do 3x-16+x+6+x = 180 now add 10 two both sides and get

3x+x+x = 190

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now plug that in to 3x-16 to get 98

7 0
3 years ago
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A sample of 64 observations is selected from a normal population. The sample mean is 215, and the population standard deviation
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Step-by-step explanation:

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3 years ago
Kala drove 260 miles using 12 gallons of gas. at this rate, how many gallons of gas would she need to drive 286 miles
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3 0
3 years ago
Which is equivalent to 4x/x-7 - x+7/x
spin [16.1K]

Answer:

The answer to your question is the second choice

Step-by-step explanation:

                        4x/ (x - 7)  -  (x +7) / x

- Find the greatest common factor from x and (x - 7)

                 GCF = x(x - 7)

- Substract the terms

                     [4x(x) - (x + 7)(x - 7)] / x(x - 7)

- Simplify

                     [ 4x² - x² + 49] / x(x - 7)

                     [ 3x² + 49] / x(x - 7)

- Result

                      3x² + 49  /  x(x - 7)

                       

6 0
3 years ago
I don’t get. Can I aleast get someone to explain how to do it
Nastasia [14]
You have to make the percent a decimal by moving the decimal to the left twice. then you need to multiply the other number.
5 0
3 years ago
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