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amid [387]
2 years ago
15

Find the mean 28,18,19,18,17

Mathematics
2 answers:
olga2289 [7]2 years ago
7 0
To find the mean you add up all the numbers then divide the answer by the amount of numbers there are

in this case we add 28+ 18+ 19+ 18+ 17 then divide by 5

THE MEAN IS 20!!!

-HAVE A NICE DAY!!!
nasty-shy [4]2 years ago
5 0

Answer:

<h3>The mean is 20.</h3>

Step-by-step explanation:

<u>To find:</u>

  • The mean.

<u>Given:</u>

The mean is calculated by dividing all the values in a set by their left-to-right numbers.

<u>To begin, add up all the means numbers.</u>

<u>Solve.</u>

<u>Solutions:</u>

\Longrightarrow: \sf{28+18+19+18+17=100}

<u>Five mean numbers are given. </u>

<u>All you have to do is divide them.</u>

\Longrightarrow: \sf{100\div5=\boxed{\sf{20}}

\Longrightarrow: \boxed{\sf{20}}

  • <u>Therefore, the mean 28, 18, 19, 18, 17 is 20, which is our answer.</u>

I hope this helps, let me know if you have any questions.

Good luck with your assignment!

Learn more about how to find the mean at:

brainly.com/question/16586775

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Answer:

Option (A)

Step-by-step explanation:

The given expression is,

(5^{-2}\times 4^{-4})^{-2}

Since x^{-1}=\frac{1}{x} and \frac{1}{x^{-1}}=x

5^{2}=\frac{1}{5^{-2}}

4^{2}=\frac{1}{4^{-2}}

Therefore, (5^{-2}\times 4^{-4})^{-2}=\frac{1}{(5^{-2}\times 4^{-4})^{2}}

                                         =\frac{1}{(5^{-2})^2\times (4^{-4})^2}

                                         =\frac{1}{5^{-4}\times 4^{-8}}

                                         =\frac{1}{5^{-4}}\times \frac{1}{4^{-8}}

                                         =5^{4}\times 4^{8}                            

Option (A) will be the answer.                                          

8 0
3 years ago
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vesna_86 [32]

Answer:

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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Answer:

We conclude that:

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Step-by-step explanation:

Given the expression

\left(5p^3\right)\:\left(-1m^8p^2\right)

Apply the rule:

a\left(-b\right)=-ab

so the expression becomes

\left(5p^3\right)\left(-1\cdot \:m^8p^2\right)=-5p^3\cdot \:1\cdot \:m^8p^2

Apply the rule:

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so the expression becomes

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Therefore, we conclude that:

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