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Lilit [14]
3 years ago
9

The potential energy function for a system of particles is given byU(x) = −6x3 + 2x2 + 7x,where x is the position of one particl

e in the system.
Mathematics
1 answer:
dexar [7]3 years ago
3 0

Answer: 0

Step-by-step explanation:

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30 POINTS
Bumek [7]

Answer:

A:triangular prism?!!

5 0
3 years ago
Do you think that science is a waste of time?
Gnoma [55]

Answer:

it can be. It just depends on what you are interested in. If you are interested in a scientific field then it is an amazing way to use your time. But if you are bot interested in science, it is a waste personally.

7 0
2 years ago
Read 2 more answers
You are interested in estimating the the mean age of the citizens living in your community. In order to do this, you plan on con
Assoli18 [71]

Question:

You are interested in estimating the the mean age of the citizens living in your community. In order to do this, you plan on constructing a confidence interval; however, you are not sure how many citizens should be included in the sample. If you want your sample estimate to be within 5 years of the actual mean with a confidence level of 97% , how many citizens should be included in your sample? Assume that the standard deviation of the ages of all the citizens in this community is 18 years.

Answer:

61.03

Step-by-step explanation:

Given:

Standard deviation = 18

Sample estimate = 5

Confidence level = 97%

Required:

Find sample size, n.

First find the Z value. Using zscore table

Z-value at a confidence level of 97% = 2.17

To find the sample size, use the formula below:

n = (Z * \frac{\sigma}{E})^2

n = ( 2.17 * \frac{18}{5})^2

n = (2.17 * 3.6)^2

n = (7.812)^2

n = 61.03

Sample size = 61.03

4 0
4 years ago
In August, Ralph bought a new set of golf clubs that cost $775. The cost of the clubs was marked up to $800 in October. Which pr
Ilia_Sergeevich [38]
P(800)=775
800p=775
800p/800=775/800
p=0.96875
rounded = 97 percent
3 0
3 years ago
Read 2 more answers
If total liabilities are 1,000 and total assets are 8000 owner's e q u i t y must be
olga_2 [115]
Total equity is equal to assets - liabilities.

Therefore,

8000 - 1000 = 7000

The owner's equity is $7,000.
5 0
3 years ago
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