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Sindrei [870]
2 years ago
10

PLS SAY WHY ITS THE ANSWER YOU CHOSE PLEASEEEE!!!!!! If the diameter of a cylinder is 14 feet and its height is 4 feet, the volu

me of the cylinder is 2,461.76 square feet. True False
Mathematics
1 answer:
skelet666 [1.2K]2 years ago
8 0

Answer:

False

Step-by-step explanation:

V = 3.14 x r^2 h = 3.14 x 7^2 x 4 = 615.75216

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12^2<br><br> 28 questions left
Vesnalui [34]

Answer:

144

Step-by-step explanation:

12² is the same as 12 × 12

12 × 12 = 144

5 0
2 years ago
Which equation is the inverse of 2(x - 2)2 = 8(7 + y)?
Temka [501]
The answer to your question is D.
4 0
3 years ago
What is the slope of the equation, y=3/4x +9
viktelen [127]

Answer:

3/4

Step-by-step explanation:

4 0
3 years ago
It is known that the population variance equals 484. With a .95 probability, the sample size that needs to be taken to estimate
Hitman42 [59]

Answer:

The minimum sample size is n = 75 so that the desired margin of error is 5 or less.                          

Step-by-step explanation:

We are given the following in the question:

Population variance = 484

Standard deviation =

\sigma^2 = 484\\\sigma =\sqrt{484} = 22

Confidence level = 0.95

Significance level = 0.05

Margin of error = 5

Formula:

Margin of error =

E = z\times \dfrac{\sigma}{\sqrt{n}}\\\\n = (\dfrac{z\times \sigma}{E})^2

z_{critical}\text{ at}~\alpha_{0.05} = 1.96

Putting values, we get

E\leq 5\\\\1.96\times \dfrac{22}{\sqrt{n}} \leq 5\\\\\sqrt{n} \geq 1.96\times \dfrac{22}{5}\\\\n \geq (1.96\times \dfrac{22}{5})^2\\\\n \geq 74.373

Thus, the minimum sample size is n = 75 so that the desired margin of error is 5 or less.

3 0
3 years ago
The coordinates R(1, -3), S(3, -1) T(5,-7) form what type of polygon?
Reika [66]

- It's an obtuse triangle.

5 0
3 years ago
Read 2 more answers
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