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Gnoma [55]
3 years ago
13

What is the area of the shaded region in square millimeters?

Mathematics
1 answer:
gogolik [260]3 years ago
8 0

Answer:

<em>Hi There the correct answer </em>C 64.84

Step-by-step explanation:

<em>Because all you really need to do to get the answer multiply and you get your answer from there.</em>

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Round 0.79 to the nearest ones
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Answer:

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Step-by-step explanation:

0.79 is more than half, so rounds to 1.

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3 years ago
2<br> Multiple choice. How many solutions does the equation 6 + 1 = -6x+ 10 have?
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Answer:

x = 0.5, one solution

Step-by-step explanation:

6+1 = -6x + 10

7 = -6x + 10

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4 years ago
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(2 points) An article in the Washington Post on March 16, 1993 stated that nearly 45 percent of all Americans have brown eyes. A
lara31 [8.8K]

Answer: a) z=1.43

b) 0.1528

Step-by-step explanation:

The given set of hypothesis :

H_0:p=0.45

H_a:p\neq0.45

Since the alternative hypothesis H_a is two-tailed , so we perform two-tailed test.

Also, it is given that : A random sample of n=76 Americans found 28 with brown eyes.

Sample proportion: \hat{p}=\dfrac{28}{76}=0.3684

a) The z-statistic would be :-

z=\dfrac{\hat{p}-p}{\sqrt{\dfrac{p(1-p)}{n}}}

\Rightarrow\ z=\dfrac{0.3684-0.45}{\sqrt{\dfrac{0.45(1-0.45)}{76}}}=-1.4299121397\approx-1.43

b) P-value for two-tailed test = 2P(Z>|z|)= 2P(z>|-1.43|)

=2P(z>1.43)

=2(1-P(z≤1.43)

=2-2P(z≤1.43)

= 2-2(0.9236)[Using standard z-table]

= 2-1.8472=0.1528

Hence,  the P-value of the test= 0.1528

6 0
4 years ago
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Answer:

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Step-by-step explanation:

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3 years ago
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