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enot [183]
2 years ago
7

Which is the correct description of how to find the volume of a cylinder?

Mathematics
2 answers:
Archy [21]2 years ago
5 0
I believe it’s B bc V= pi r 2 h
horsena [70]2 years ago
3 0

Answer:

The formula for the volume of a cylinder is V=Bh  or  V=πr2h .

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Lee has a jar of 100 pennies. She adds groups of 10 pennies to the jar. She adds 5 groups. What numbers does she say?
Alenkinab [10]
150 pennies in the jar .
4 0
3 years ago
A psychological experiment was conducted to investigate the length of time (time delay) between the administration of a stimulus
aleksklad [387]

Answer:

The P-value of this sample is 0 and is less than the significance level (0.05), so the effect is significant and the null hypothesis is rejected.

As there is significant evidence to reject H_0: \mu= 1.6, we can say that there is significant evidence to claim that the mean time delay for the hypothetical population of all persons who may be subjected to the stimulus differs from 1.6 seconds.

The significance level for this test is 0.05.

Step-by-step explanation:

In this case, we want to prove if there is significant evidence that the mean differs from 1.6 seconds. That is the same as having evidence to reject the the hypothesis H_0:\mu= 1.6 (the null hypothesis always have the equal sign).

We have to test the null hypothesis

H_0:\mu= 1.6

The significance level for this test is 0.05

Calculation of the t-statistic:

t=\frac{M-\mu}{s/\sqrt{n}} =\frac{2.2-1.6}{0.57/\sqrt{36}} =\frac{0.6}{0.063}= 9.47

If we look up in a t-table for t=9.47 and df=(36-1)=35, we get this value appears with a probability of zero. A large number like that is very unlikely to happen.

The P-value of this sample is 0 and is less than the significance level (0.05), so the effect is significant and the null hypothesis is rejected.

As there is significant evidence to reject H_0: \mu= 1.6, we can say that there is significant evidence to claim that the mean time delay for the hypothetical population of all persons who may be subjected to the stimulus differs from 1.6 seconds.

6 0
3 years ago
Hours (x) 0 1 2 3 4 5
MatroZZZ [7]
The answer is D) 3,404

By putting the table values into the progam DESMOS, and then putting in the formula, the answer will be given- and that answer is 3,404. 


5 0
3 years ago
Read 2 more answers
Find the measure of &lt;4.<br> {<br> 44<br> 158°<br> {<br> 44 = [?]
VLD [36.1K]

Answer:

<4 = 22

Step-by-step explanation:

<4 = x

x + 158 = 180

x = 22

4 0
2 years ago
If w = 6 feet, x = 6 feet, y = 12 feet, and z = 11 feet, what is the area of the object?
klemol [59]
I think it’s D. 102 but it may not be.
8 0
2 years ago
Read 2 more answers
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