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bazaltina [42]
3 years ago
13

Hii i’ll give brainliest please help thanks :)

Mathematics
1 answer:
Juliette [100K]3 years ago
6 0

Answer:

Step-by-step explanation:

The mean (average) of a data set is found by adding all numbers in the data set and then dividing by the number of values in the set. The median is the middle value when a data set is ordered from least to greatest.

Hope this help

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John. wants to receive a 96% average on 4 math tests .So far he has taken 3 tests.His grades are 94%, 98%, and 98%. Write an equ
Drupady [299]
John must recieve a 95% on his next test
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4 years ago
58, 72, 74, 92, 84, 40, 74, 81, 76, 83 What was the maximum score earned on Mr. Hill's final exam
alexandr402 [8]

Answer:

92

Step-by-step explanation:

Max= biggest number, surely?

4 0
3 years ago
Divide. Express the quotient in simplest form.<br> x^2−x−12/2x^2÷x^2+x−6/2x^3
sertanlavr [38]
Hey there!

These are technically expressed as fraction. When you divide a fraction by another, you can replace the second fraction with its reciprocal and you can now multiply the fractions together instead. 

\frac{x^2-x-12}{2x^2} /  \frac{x^2+x-6}{2x^3}

\frac{x^2-x-12}{2x^2} * \frac{2x^3}{x^2+x-6}

Now, just multiply across the top and the bottom. You can first cancel out any terms that are repeated or similar. 

\frac{12}{2x^2} * \frac{2x^3}{-6}

\frac{2}{x} * \frac{1}{-1}

\frac{2}{-x}

Your answer will be \frac{2}{-x}. 

Hope this helped you out! :-)
5 0
3 years ago
Read 2 more answers
A building in a city has a rectangular base. The length of the base measures 75 ft less than three times the width. The perimete
slega [8]
P = 2l +2w
820 = 2(w - 70) + 2w
<span>820 = 4w - 140  </span>
<span>820 - 140 = 4w</span>
<span>680/4 = w
170 = w
let me know if you need an explanation of how i got any of the steps
:)</span>
6 0
4 years ago
Read 2 more answers
(4x-5) (4x+5) <br><br> Expand and simplify
goldfiish [28.3K]

Step-by-step explanation:

(4x-5)(4x+5)

multiply each

4x×4x=16x^2

4x×5=20x

-5×4x= - 20x

-5×5= -25

16x^2+20x-20x-25

16x^2-25

3 0
3 years ago
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