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Scilla [17]
3 years ago
5

Find the surface area and volume of a cube with sides of 5.5 cm each.

Mathematics
1 answer:
viktelen [127]3 years ago
3 0
Surface area: 181.5
Volume: 166.4

Solution for surface area: 5.5 x 5.5 x 6
Solution for volume: 5.5 x 5.5 x 5.5

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Find the mean and standard deviation for the set of data.
dem82 [27]

The mean and standard deviation for the set of data will be 16 and 5.87. Then the correct option is A.

<h3>What is a standard deviation?</h3>

It is the measure of the dispersion of statistical data. Dispersion is the extent to which the value is in a variation.

The set of data is given below.

16, 22, 8, 5, 20, 18, 14, 17, 24

The mean of the data set will be

μ = (16 + 22 + 8 + 5 + 20 + 18 + 14 + 17 + 24) / 9

μ = 144 / 9

μ = 16

Then the standard deviation of the data set will be

\rm \sigma = \sqrt{\dfrac{\Sigma (x_i - \mu)^2}{n}} \\\sigma = \sqrt{\dfrac{(16 - 16)^2 +(22 - 16)^2 + (8-16)^2 + ......+(24-16)^2  }{9}} \\\sigma = \sqrt{\dfrac{310}{9}}\\

Simplify the expression further, then we have

σ = √34.44

σ = 5.87

The mean and standard deviation for the set of data will be 16 and 5.87.

Then the correct option is A.

More about the standard deviation link is given below.

brainly.com/question/12402189

#SPJ1

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1 year ago
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zavuch27 [327]

Answer:

Step-by-step explanation:

a

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P(x) = 3x + 4<br>q(x) = 2x2<br>Find q(P(x))​
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Answer:

Step-by-step explanation:

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2(3x+4)^2 is the composition of p into q.  Now all we have left to do is simplify.

(3x+4)^2=9x^2+24x+16

Then we have to finally multiply in the 2 to get:

18x^2+48x+32

3 0
3 years ago
Jessica can do 60 jumping jacks in 2 minutes.dale can do 150 jumping jacks in 5 minutes.Are these rates equivalent? Explain your
artcher [175]
The rates are equivalent because both of them do 30 jumping jacks a minute.
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3 years ago
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