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svet-max [94.6K]
3 years ago
11

What's the first answer

Mathematics
1 answer:
andriy [413]3 years ago
4 0
5) -3 |. 6) 2 7) -6. |. 8) -18 9) 5. |. 10) 19 11) 14. |. 12) 42 13) 38. |. 14) 0
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Which table shows a proportional relationship between x and y?
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first one

Step-by-step explanation:

graph is a straight line

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Equivalent polynomial to 6-(2-4x)
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The answer would be 4(x+1).
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The answer should be the third one I believe
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The table below shows the number of cups of coffee people drink a day
Effectus [21]

The mean of a distribution is the sum of the data elements divided by the count of the dataset.

<em>The mean of the distribution is 4</em>

The complete table is given as

\left[\begin{array}{cc}People & Frequency &0 - 2 & 5 & 3 - 5 & 25 & 6 - 8 & 5\end{array}\right]

The complete question requires that, we calculate the mean of the dataset

First, we calculate the class midpoint

This is the average of the class interval

<u />

<u>For interval 0 - 2, </u>

x_1 = \frac{0 + 2}{2} = 1

<u>For interval 3 - 5,</u>

x_2 = \frac{3 + 5}{2} = 4

<u>For interval 6 - 8</u>

x_3 = \frac{6 + 8}{2} = 7

So, the table becomes

\left[\begin{array}{ccc}People & x & Frequency &0 - 2 &1 & 5 & 3 - 5 & 4& 25 & 6 - 8& 7 & 5\end{array}\right]

The mean is then calculated as:

\bar x = \frac{\sum fx}{\sum f }

This gives

\bar x = \frac{5 \times 1 + 25 \times 4 + 5 \times 7}{5 + 25 + 5}

\bar x = \frac{140}{35}

\bar x = 4

Hence, the mean of the distribution is 4

Read more about mean at:

brainly.com/question/17060266

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what are the statements we pick from?

Step-by-step explanation:

most likely look out for angles and lengths that go against the established ratio

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