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noname [10]
3 years ago
14

Which solids can have vertical cross sections that are circles? Check all that apply.

Mathematics
1 answer:
34kurt3 years ago
3 0

Answer:

cones

cylinders

spheres

Step-by-step explanation:

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Which of the four Venn diagrams represent (X U Y)?
dusya [7]
X or Y diagram is the answer to this question
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3 years ago
NO LINKSSS!!!! PLSS HELPPPP QUICKKK PLEASEEE QUICK I WOULD PUT YOU BRAINIEST IF CORRECT PLSSS HELPPP Find the point-slope equati
Lady_Fox [76]

Answer:

Step-by-step explanation:

point-slope equation looks like  y-y1 = m(x-x1)

plug in the given point for x and y.... and the slope for m

y-9 = 3/2(x-6)

y-9 = 3/2x - 9

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4 0
3 years ago
Which of the following will make a confidence interval narrower and more precise?
swat32

Answer:

B. Larger sample size and lower confidence level

Step-by-step explanation:

The margin of error of a confidence interval is given by the following formula:

M = z*\frac{\sigma}{\sqrt{n}}

In which \sigma is the standard deviation of the population and n is the size of the sample.

z is related to the confidence level. The higher the confidence level, the higher the value of Z.

So, the margin of error is direct proportion to the confidence level and inverse proportional to the sample size.

We want to decrease the margin of error.

So the correct answer is:

B. Larger sample size and lower confidence level

6 0
3 years ago
solve for b 1/4(b-8)=2. I hope you have time to answer this. Thank you so much for your time you guys make me so happy
Mademuasel [1]

Answer:

16

Step-by-step explanation:

1/4(b-8)=2

b-8=2/(1/4)

b-8=2(4/1)

b-8=8

b=8+8

b=16

8 0
3 years ago
Read 2 more answers
The population of a small country is 5,740,000. express this number using scientific notation
Licemer1 [7]
So scientific notation is making the number manageable.

scientific notation is
(a number >1 and <10) times 10^x

we count how many places the decimal has to move to make the number >1 and >10.

the answer is 6.
5.74 times 10^6
8 0
3 years ago
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