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Vesnalui [34]
3 years ago
10

M² + 18m - 81 help me please ​

Mathematics
1 answer:
Marina CMI [18]3 years ago
7 0
The question is incomplete
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PLZ HELP BRAIN FAM!!!
RideAnS [48]
It would be 7.45 since the -3.05 and the -9.5 together would equal -12.55 which subtracted from 20 would equal 7.45
5 0
4 years ago
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2y+x=-8. Solve for y
gayaneshka [121]

Answer:

y = -\frac{1}{2}x - 4

Step-by-step explanation:

2y + x = -8

2y = -x - 8

\frac{2y}{2} = \frac{-x - 8}{2}

y = -\frac{1}{2}x - 4

6 0
3 years ago
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How will increasing the level of confidence without changing the sample size affect the width of a confidence interval for a pop
atroni [7]

Answer:

The width of the confidence interval is going to be wider

Step-by-step explanation:

When we Increase the level of confidence without changing the sample size the width of the confidence interval is going to be affected in the following way;

The margin of error (M.E) is going to be larger or be increased. This increase is due to the fact that the critical value is going to increase. Then the increased margin of error would cause the width of the confidence interval to become wider.

This answers your question.

3 0
3 years ago
Simplify expression 16+(4x6)-3^2
Fed [463]

Answer:

31

Step-by-step explanation:

4*6=24

3^2=3*3=9

16+24-9=40-9=31

4 0
3 years ago
What is 20=8,it will be a real help.
Andrews [41]

Answer:

it is a invalid equation

Step-by-step explanation:

20 is not equal to 8

6 0
4 years ago
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