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3 years ago

12

The angles of a quadrilateral measures 80,100. 100 and 80 in this order . what kind of quadrilateral has this shape? how do you

know?

1 answer:

Alecsey [184]3 years ago

3 0

The quadrilateral is an isosceles trapezoid because it has two adjacent, equal acute angles and two adjacent, equal obtuse angles.

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According to data from the 2010 United States Census, 43.1% of Americans over the age of 65 were male.

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Answer: $\mu_{\hat{p}}=0.431\\\\ \sigma_{\hat{p}}=0.064$

Step-by-step explanation:

The mean and standard deviation of the sampling distribution of p is given by :-

$\mu_{\hat{p}}=p\\\\ \sigma_{\hat{p}}=\sqrt{\dfrac{p(1-p)}{n}}$

, where p= population proportion.

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Let p represent the sample proportion of Americans over the age of 65 that were male.

Given : The proportion of Americans over the age of 65 were male.

p= 43.1%=0.431

sample size : n= 60

Then, the mean and standard deviation of the sampling distribution of p will be :-

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HELP: Find the angle measure of angle Z. *<br> A.30<br> B.5<br> C.25<br> D.15

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Answer:

the answer is c .25

Step-by-step explanation:

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