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ehidna [41]
2 years ago
11

The table below shows the number of cups of coffee people drink a day

Mathematics
2 answers:
BigorU [14]2 years ago
6 0

Answer:

Midpoint Midpoint x Frequency = 140

coffee = 4

Step-by-step explanation:

Effectus [21]2 years ago
4 0

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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She has one board that is 2 m 3 cm long and another that is 2 m 98 cm long. How long are the two boards together in meters?
miss Akunina [59]

Answer:

5 meters and 1 cm

Step-by-step explanation:

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so add 2m and 3 cm to 2 m and 98 cm

to get 4 m and 101 cm what is 5 meters and 1 cm

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The area of a small square patio is 42 square feet. The length of each side of the patio is √42 feet. Between what two whole-num
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Answer:

The answer is A.

Step-by-step explanation:

Because the square root of 42 is about 6 and those two numbers are close to 6.

Hope this helps!

Please mark brainliest!! thanks!

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3 years ago
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19

Step-by-step explanation:

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A(b+c)=a(d-e) solve for b
torisob [31]

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3 years ago
Tim answered all the questions on his math test but got 7 answers wrong. He received 3 points for every correct answer, and ther
Ket [755]

Answer:

35 questions

Step-by-step explanation:

First find out how many questions he got right setting up an equation.

1)3x=84.

The variable 'x' is the answers he got correct. The next step would be to divide by 3 to get the x alone. Remember, whatever you do to one side is done to the other so divide 84 by three as well

2) 3x÷3 = x.

84÷3=28.

which leads you to x=28.

Then, since he got 7 wrong, you would add the 7 to the 28 he got correct to get the final answer.

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another way you can do this is multiply numbers by three until you get to 84. The number you multiplied by is the amount he got correct, then add the correct and wrong ones together to get 35

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