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vovangra [49]
2 years ago
13

Quadrilateral abcd has vertices A(4,0),B(3,3),C(-3,1) and D(-2,-2)

Mathematics
1 answer:
bonufazy [111]2 years ago
6 0

Answer:

very easy

Step-by-step explanation:

First of all

made a distance between

AB

BC

CD

AD

and diagnals

AC

BD

If the all are equal means it is a square

if diagnols are different means it is rectangle

if diagnals are not equal means it is parallelogram

thats it try your best

you can do it

best of luck

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An article regarding interracial dating and marriage recently appeared in the Washington Post. Of the 1,709 randomly selected ad
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Answer:

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Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence level of 1-\alpha, we have the following confidence interval of proportions.

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For this problem, we have that:

323 blacks, 86% of blacks said that they would welcome a white person into their families. This means that n = 323, p = 0.86

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So \alpha = 0.05, z is the value of Z that has a pvalue of 1 - \frac{0.05}{2} = 0.975, so Z = 1.96.

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The upper limit of this interval is:

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Answer:

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