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tester [92]
3 years ago
7

If you rent 5 dvds for 5 nights for $5, at this rate how much do you expect to pay for 1 dvd for 1 night?

Mathematics
2 answers:
SVETLANKA909090 [29]3 years ago
6 0
20 cents a night because 5 DVDs per night is 1 dollar, and $1/5 DVDs equals 20 cents each, so 1 DVD is 20 cents a night
Dennis_Churaev [7]3 years ago
5 0
It would be 1$ for one DVD each night.

5 DVD per 5 nights = 5$

thus, 5/5 DVD per 5/5 nights = 5/5$      (balancing LHS and RHS)

= 1 DVD per night for 1 $
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Answer:

77

Step-by-step explanation:

Firstly, we need to calculate the total score of the junior students and the total score of the senior students.

The total score of the junior students is 35 * 80 = 2,800

The total score of the senior students is 15 * 70 = 1050

The total score is thus 2,800 + 1,050 = 3,850

The average score of the 50 students is thus 3,850/50 which equals 77

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2 years ago
The following are score earned by 15 college students on a 20-point math quiz. (a) calculate the mean, median, and mode scores.
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Answer:

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(a) Statistics

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The mean is the sum of all the data points divided by the number of points.

\begin{array}{rcl}\text{Mean} & = & \dfrac{0 + 2 + 3 + 12 + 12 + 13 + 14 + 14 + 15 + 15 + 18 + 18 + 18 + 19 + 20}{15}\\\\& = & \dfrac{193}{15}\\\\& = & \mathbf{12.87}\\\end{array}

(ii) Median

The median is the middle value in your list of observations.

0, 2, 3, 12, 12, 13, 14, 14, 15, 15, 18, 18, 18, 19, 20

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(iii) Mode

The mode is the value that appears most often in your list of observations.

0, 2, 3, 12, 12, 13, 14, 14, 15, 15, 18, 18, 18, 19, 20

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The histogram below shows the distribution of your data.

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