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3 years ago

Find the perimeter of the polygon shown in the figure.

Mathematics

2 answers:

Dafna11 [192]3 years ago

7 0

Answer:

Step-by-step explanation:

It is the addition of all the sides

Tpy6a [65]3 years ago

7 0

Answer:

24 units

Step-by-step explanation:

ZY = (8-2 ) = 6 units

XY = (7-1) = 6 units

WX = (8-2 ) = 6 units

WZ = (7-1) = 6 units

The perimeter is the sum of the distances

P = 6+6+6+6 = 24 units

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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

HELP PLEASE! I WILL GIVE BRAINLIEST

rusak2 [61]

Answer:

13.89

Step-by-step explanation:

A^2+B^2=C^2

7^2+12^2=C^2

193 = C^2

193 square root = 13.89

6 0

2 years ago

There was a plate full of brownies. Tina ate 444 of the brownies. There were 161616 brownies left.

garik1379 [7]

Subtraction

161616+444= 162,060

5 0

2 years ago

Help, I am unsure about what to do exactly

noname [10]

You plug in number for number getting 194.8 which is equal to 2931

4 0

2 years ago

A triangle has a base of 10 centimeters and a height of 12 centimeters. A rectangle has a base of 10 centimeters and a height of

lina2011 [118]

Answer: Triangle is 150 sq

Rectangle is 360 sq

Step-by-step explanation:

7 0

2 years ago

Read 2 more answers