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alex41 [277]
3 years ago
10

What is the surface area of the triangular prism?

Mathematics
1 answer:
FrozenT [24]3 years ago
3 0

Answer:

252

Step-by-step explanation:

if you go around the faces, 20*5 is 100, 20*4 is 80, 20*3 is 60, 2*3 is 6 and another 2*3 is 6. add these together

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Do one of the​ following, as appropriate.​ (a) Find the critical value z Subscript alpha divided by 2​, ​(b) find the critical v
babymother [125]

Answer:

We want to construct a confidence interval at 99% of confidence, so then the significance level would be 1-0.99 =0.01 and the value of \alpha/2 =0.005. And for this case since we know the population deviation is not appropiate use the t distribution since we know the population deviation and the best quantile assuming that the population is normally distributed is given by the z distribution.

And if we find the critical value in the normal standard distribution or excel and we got:

z_{\alpha/2}= \pm 2.576

And we can use the following excel code:

"=NORM.INV(0.005,0,1)"

Step-by-step explanation:

For this case we have the following info given:

\alpha=0.01, n =26, \sigma = 28.9

We want to construct a confidence interval at 99% of confidence, so then the significance level would be 1-0.99 =0.01 and the value of \alpha/2 =0.005. And for this case since we know the population deviation is not appropiate use the t distribution since we know the population deviation and the best quantile assuming that the population is normally distributed is given by the z distribution.

And if we find the critical value in the normal standard distribution or excel and we got:

z_{\alpha/2}= \pm 2.576

And we can use the following excel code:

"=NORM.INV(0.005,0,1)"

7 0
3 years ago
11. A paint color requires the ratio of green paint to yellow paint to be 4 : 9
neonofarm [45]

Answer:

Step-by-step explanation:

1) 36:81

2)81 pints

3)14.625 gallons of paint

6 0
3 years ago
Bridget reads 5 pages of her book per day 4 days per week for several weeks.
Likurg_2 [28]
The correct answer would be (4*5)w because you would multiple the number of pages that she reads per week then you multiply that by how many weeks she reads.
8 0
3 years ago
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you deposit $5,000 in an account that pays 6% annual interest. find the balance after 5 years when the interest is compounded qu
NeTakaya

Answer:

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Step-by-step explanation:

5000-*0.6=3000 *5 =15,000

8 0
4 years ago
What is 7 times 7 plus 7
mr Goodwill [35]

Answer:

7×7+7

49+7

=56

order of operations multiply first then add

3 0
3 years ago
Read 2 more answers
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