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Elza [17]
2 years ago
12

The following data show the scores of some students in a competition:

Mathematics
1 answer:
Dima020 [189]2 years ago
6 0

The box plot that represents the data is a box plot titled "Scores of Participants" and labeled "Score" uses a number line from 10 to 35 with primary markings and labels at 10, 15, 20, 25, 30, and 35. The box extends from 13 to 27 on the number line. A line in the box is at 24. The whiskers end at 11 and 31.(second option)

<h3>Which box plot represents the data?</h3>

A box plot is used to study the distribution and level of a set of scores. The whiskers represent the minimum and maximum values.

On the box, the first line to the left represents the lower (first) quartile. The next line on the box represents the median. The third line on the box represents the upper (third) quartile. 75% of the scores represents the upper quartile.

The data arranged in ascending order : 11, 13, 23, 24, 24, 27, 31

Median = 24

First quartile = 1/4 x (7 + 1) = 2nd term =13

Third quartile = 3/4 x (7 + 1) = 6th term = 27

To learn more about box plots, please check: brainly.com/question/27215146

#SPJ1

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nirvana33 [79]

When you divide two powers of the same base, you subtract the exponents:

\dfrac{a^b}{a^c} = a^{b-c}

This means that, in your case,

\dfrac{7^n}{7^5} = 7^p \iff 7^{n-5} = 7^p \iff n-5 = p

So, if n=18, the equation becomes

18-5 = p \iff p = 13

5 0
3 years ago
Round and/or estimate then add (nearest hundred)
Keith_Richards [23]

Answer:

1.1200,1000,800,900

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Step-by-step explanation:

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4 0
3 years ago
The sum of a number (call it y) and nine people is equal to ten
TEA [102]
Y+9=10
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5 0
2 years ago
The distances (y), in miles, of two cars from their starting points at certain times (x), in hours, are shown by the equations b
Anna007 [38]

Answer:

2 hours, 142 miles

Step-by-step explanation:

Given;

equation of motion of car A as;

y = 55x + 32

equation of motion of car B as;

y = 42x + 58

where;

y is distance measured in miles

x is time measured in hours

When the distance of the two cars are equal, we will have the following equation;

55x + 32 = 42x + 58

collect like terms and solve for x

55x - 42x = 58 - 32

13x = 26

x = 26 /13

x = 2 hours ( x is time measured in hours)

Now substitute in the value of x into any equation of the cars;

y = 55x + 32

y = 55 (2) + 32

y = 110 + 32

y = 142 miles ( y is distance measured in miles)

Thus, the correct option is 2 hours, 142 miles

8 0
3 years ago
On a drive from one city to​ another, the person averaged 51 mph. If he had been able to average 72 ​mph, he would have reached
erica [24]

Answer: 1224 miles

Step-by-step explanation:

Given

the average speed of a person is 51 mph

If speed is increased to 72 mph, he would have reached 7 hr earlier

Suppose d and t be the distance and time taken

\Rightarrow t_1=\dfrac{d}{51}

If the speed is 72 mph

\Rightarrow t_2=\dfrac{d}{72}

Also, t_1-t_2=7

\Rightarrow \dfrac{d}{51}-\dfrac{d}{72}=7\\\\\Rightarrow \dfrac{1}{51}-\dfrac{1}{72}=\dfrac{7}{d}\\\\\Rightarrow \dfrac{24-17}{1224}=\dfrac{7}{d}\\\\\Rightarrow \dfrac{7}{1224}=\dfrac{7}{d}\\\\\Rightarrow d=1224\ miles

7 0
3 years ago
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