4 years ago

Jasmine drew a rectangle with the following properties.

1 answer:

5 0

Hello There!

Length = 4
Width = 2
Perimeter = 4 + 4 + 2 + 2 = 12

Perimeter is 12 square cm.

Hope This Helps You!
Good Luck :)

- Hannah ❤

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A computer manufacturing company has sent a mail survey to 2,800 of its randomly selected customers that have purchased a new la

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Answer:

The 96% confidence interval for the population proportion of customers satisfied with their new computer is (0.77, 0.83).

Step-by-step explanation:

We have to calculate a 96% confidence interval for the proportion.

We consider the sample size to be the customers that responded the survey (n=800), as we can not assume the answer for the ones that did not answer.

The sample proportion is p=0.8.

$p=X/n=640/800=0.8$

The standard error of the proportion is:

$\sigma_p=\sqrt{\dfrac{p(1-p)}{n}}=\sqrt{\dfrac{0.8*0.2}{800}}\\\\\\ \sigma_p=\sqrt{0.0002}=0.014$

The critical z-value for a 96% confidence interval is z=2.054.

The margin of error (MOE) can be calculated as:

$MOE=z\cdot \sigma_p=2.054 \cdot 0.014=0.03$

Then, the lower and upper bounds of the confidence interval are:

$LL=p-z \cdot \sigma_p = 0.8-0.03=0.77\\\\UL=p+z \cdot \sigma_p = 0.8+0.03=0.83$

The 96% confidence interval for the population proportion is (0.77, 0.83).

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3 years ago

Units are squared when dealing with area but not when dealing with perimeter

Mashcka [7]

The answer is true I believe

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4 years ago

The fish tank at Matthew's house holds 468 gallons but is leaking at a rate of 4 gallons per day. Ariana's fish tank holds 624 g

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468 plus 624 times 7 divided by 4 and you should get the amount of water in the two tanks

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3 years ago

Parallelogram ABCD has vertices A(-2, -5 1/2), B(-4, -5 1/2),C(-3, -2), and D(-1, 2). Find the vertices of parallelogram A'B'C'D

Sever21 [200]

A= (-2,-7 1/2)
B= (-4,-7 1/2)
C= (-3,-4)
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3 years ago

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Answer:

remains is (n-m/n)*100 used is (m/n)*100

Step-by-step explanation:

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