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2 years ago

Lines AB and CD (if present in the picture) are straight lines. Find x. Give reasons to justify your solutions.

Mathematics

1 answer:

MrRa [10]2 years ago

3 0

Answer:

180- 110= 70

70+x+90=180

160+x=180

180-160=x

20=x

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Makovka662 [10]

We can adjust the data by adding 4 to everything before we calculate the statistics. Or we can calculate the statistics on the given data and just add 4 to everything at the end. We'll get the same answer either way.

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Those add up to 48 so the mean is 48/7 = 6.9

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The mode is the most common one, mode = 5

The range is the difference between max and min, so range = 10 - 5 = 5

In the second week we add four to everything. Since that adds four to the min and max, the range doesn't change.

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3 years ago

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Svetllana [295]

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Zina [86]

By taking a common denominator, we can find out that the simplified expression of the given expression is $\frac{6c+4}{c^{2} }$ .

The given expression is -

$\frac{6}{c}+\frac{4}{c^{2} }$ ---- (1)

We have to simplify the expression.

From equation (1), we have the given expression as -

$\frac{6}{c}+\frac{4}{c^{2} }$

Establishing common denominator $c^{2}$ , we have

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Combining the numerator and common denominator, we have

$\frac{6c+4}{c^{2} }$

Thus, the simplified expression of the given expression is $\frac{6c+4}{c^{2} }$ which is obtained by taking a common denominator.

To learn more about simplified expression visit brainly.com/question/22860327

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