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nataly862011 [7]
2 years ago
5

Whats 3y/2 if y = -2​

Mathematics
1 answer:
r-ruslan [8.4K]2 years ago
8 0

Answer:

-3

Step-by-step explanation:

3(-2)/2

-6/2 = -3

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In a Gallup poll, 1025 randomly selected adults were surveyed and 29% of them said that they used the Internet for shopping at l
svetoff [14.1K]

Answer:   (0.25,0.33)

Step-by-step explanation:

A 99% confidence interval for population proportion is given by:-

\hat{p}\pm 2.576\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}, where \hat{p} = sample proportion, n = sample size.

Given: n=1025, \hat{p}=0.29

A 99% confidence interval estimate of the proportion of adults who use the Internet for shopping:

0.29\pm 2.576\sqrt{\dfrac{0.29(1-0.29)}{1025}}\\\\=0.29\pm 2.576\sqrt{0.00020087804878}\\\\=0.29\pm2.576(0.01417)\\\\=0.29\pm0.03650192\\\\=(0.29-0.03650192,\ 0.29+0.03650192)\\\\=(0.25349808,\ 0.32650192)

\approx(0.25,\ 0.33)

Thus, a 99% confidence interval estimate of the proportion of adults who use the Internet for shopping = (0.25,0.33)

5 0
3 years ago
Given ΔRWS ≅ ΔTUV, find the values of x and y. <br><br> x = ___<br><br> y = ___
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Answer: A = X + Y

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Step-by-step explanation:

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The midpoint, M, of points A and N is (8,10) because;
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Answer:

8x6x4=192. So, the answer is 192.

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2 years ago
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