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tester [92]
3 years ago
11

PLEASE ANSWER ASAP!!!

Mathematics
2 answers:
pogonyaev3 years ago
5 0
The answer will be B.
Natalka [10]3 years ago
4 0

Answer:

1/a^2 is the answer to this question

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The answer would be 660.4 millimeters
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What is the perimeter of a rectangle if the length is (3x + 2) and the width is (2x - 5)
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Step-by-step explanation:

we know that perimeter P is 2L+2W

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7 0
3 years ago
Read 2 more answers
A researcher for a paint company is measuring the level of a certain chemical contained in a certain type of paint. If the paint
ziro4ka [17]

Answer: The sample should contain 4870 cans of paint.

Step-by-step explanation:

According to the given information , we have

The prior estimate of proportion= p=0.10

Margin of error : E=0.01

Critical value for 98% confidence interval =z_{\alpha/2}=2.326

Formula to find the sample size :

n=p(1-p)(\dfrac{z_{\alpha/2}}{E})^2

i.e. n=0.10(1-0.10)(\dfrac{2.326}{0.01})^2

=4869.2484\approx4870

Hence, the sample should contain 4870 cans of paint.

5 0
4 years ago
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