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Gelneren [198K]
3 years ago
6

Is for over two and 20/6 proportions

Mathematics
2 answers:
DedPeter [7]3 years ago
7 0
To find out if fractions are proportional you cross multiply.

4       20
--  x   ---
2        6

4 x 6 = 24

2 x 20 = 40

If they are alike then they are proportional, if they are not then they are NOT proportional.
ad-work [718]3 years ago
4 0
No they're not proportional, and it's four*.
4/2 = 2
20/6 = 3.333333333334 or 3 1/3
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Answer:

Given that The data to represent average test scores for a class of 16 students includes an outlier value of 78.

We can find sum of all 16 test scores = 84(16) = 1344

Outlier found = 78

If outlier is removed new sum = 1344-78 = 1266

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2 years ago
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Sav [38]

<u><em>Answer:</em></u>

<u><em /></u>-9(\frac{2}{3}x) + 9(1)\\  \\-6x + 9

<u><em>Explanation:</em></u>

<u>Before we begin, remember the following rules:</u>

<u>1- Distribution property:</u>

<u />a(b+c) = ab+ac

<u>2- Simplification of fractions:</u>

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<u>3- Signs in multiplication:</u>

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<u>Now, for the given problem, we have:</u>

<u></u>9 (\frac{2}{3}x + 1)

<u>Starting with the distributive property:</u>

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<u>Now, we simplify the output from the above step:</u>

<u />-9(\frac{2}{3}x) + 9 = \frac{-9*2}{3}x + 9 = -6x+9

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