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Allisa [31]
2 years ago
8

Calculate- (with work pleasee) i really need it !! -0.2(x-20)=44-x

Mathematics
1 answer:
erica [24]2 years ago
7 0

Answer:

x=50

Step-by-step explanation:

-0.2(x-20)=44-x

Distribute

-0.2x+4=44-x

Add x to each side

-.2x +4+x = 44-x+x

.8x+4 = 44

Subtract 4 from each side

.8x+4-4 = 44-4

.8x = 40

Divide each side by .8

.8x/.8 = 40/.8

x=50

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Answer:

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3 years ago
What is the area of the shaded sector? (Round to the nearest tenth)<br> 10<br> 38
masya89 [10]

Answer:

33.1

Step-by-step explanation:

First you need to find the area of the circle. The radius is 10 which means that the area is 314. Since a circle has 360 degrees, and the shaded area is 38 degrees, you need to divide 314 by 360 which is 0.87. Then multiply by 38 because the shaded sector is 38. 0.87 x 38 = 33.1.

That is the answer.

5 0
3 years ago
A softball team won 95% of 120 games. How many games did they win
dmitriy555 [2]

Answer:

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Step-by-step explanation:

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5 0
3 years ago
Read 2 more answers
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PolarNik [594]

Answer:

1364

Step-by-step explanation:

∑ means that to add values

So n goes from 1 to 5 and you have to add them from 1 to 5

∑n=1 to 5 4^n = 4^1 + 4^2 + 4^3 + 4^4 + 4^5

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In 2006,the General Social Survey (which is conducted uses a method similar to simple random sampling) included a question that
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Answer:

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Step-by-step explanation:

In the General Social Survey, sample size is 1514.

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To give an 95% confidence interval, we should be able to calculate margin of error of the sample mean, which is given by the formula

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Since we don't know the standard deviation of the sample, we cannot give a confidence interval.

8 0
3 years ago
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