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Over [174]
3 years ago
11

Simplify:-3m-1/5(50m+100)-1

Mathematics
2 answers:
USPshnik [31]3 years ago
6 0
= 3m-10m - 20 + 1/5
 = -7m - 19 4/5
Soloha48 [4]3 years ago
3 0
-3m-10m-20-1
therefore it will be:
-13m-20-1
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Which line segment is not a diagonal through the<br><br> interior of the cube shown?
Andru [333]

Answer:

CE

OPTIONS:

BE

CH

CE

DG​

See attachment foe the figure.

Step-by-step explanation:

CE is the answer.  

It doesn’t go through the middle, while the other 3 options do.

5 0
3 years ago
What’s the answer to this question? Me and one of my classmates are having trouble on it! ( middle school btw I put high school
elena55 [62]

Answer:

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Step-by-step explanation:

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5 0
2 years ago
Read 2 more answers
We wish to construct a 90% confidence interval on the mean of a population known to be normally distributed based on a sample of
sergiy2304 [10]

Answer:

Margin of error = 0.773

Step-by-step explanation:

We are given the following information in the question.

Sample size, n = 20

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Sample standard deviation = 2

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\bar{x} \pm t_{critical}\displaystyle\frac{s}{\sqrt{n}}  

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t_{critical}\text{ at degree of freedom 19 and}~\alpha_{0.10} = \pm 1.729  

Margin of error:

t_{critical}\displaystyle\frac{s}{\sqrt{n}}  

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1.729(\frac{2}{\sqrt{20}} ) = 0.773  

7 0
3 years ago
5(-7)+9(4) I am confused on this problem
amm1812

Answer:

the answer is 1

Step-by-step explanation:

5 0
3 years ago
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. Simplify: (-4a+ b–2c) –(3a+ 2b–c)
Naily [24]

Answer:

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Step-by-step explanation:

4 0
3 years ago
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