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Alekssandra [29.7K]
3 years ago
10

Results for a 20-point multiple choice math quiz are as follows: 9 students scored a 20,4 students

Mathematics
1 answer:
Ray Of Light [21]3 years ago
3 0

Answer:

18 1/2 or 37/2

Step-by-step explanation:

To calculate the average of something, we add the numbers and divide by the count of those numbers. In this case, we have this as the sum of the numbers:

9 × 20 + 4 × 19 + 3 × 18 + 5 × 17 + 12

And the number of students as the count:

9 + 4 + 3 + 5 + 1

Now to calculate that out:

(9 × 20 + 4 × 19 + 3 × 18 + 5 × 17 + 12)/(9 + 4 + 3 + 5 + 1) ⇒

(180+76+54+85+12)/(9+4+3+5+1) ⇒

407/22 ⇒

37/2⇒

18 1/2

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Drag an answer to each box to complete this paragraph proof.
Alexxx [7]

1st box:

m<A + m<B + m<C = 180


2nd box:

substitution property


3rd box:

division property of equality


Hope it helps.

8 0
3 years ago
Read 2 more answers
These box plots show the basketball scores for two teams.
Arisa [49]

The most appropriate statement is the interquartile range for the Wolverines, 30 is less than the IQR for the panthers, 40.

<h3>What is the correct statement?</h3>

The box plot is used to show the distribution of data. The box plot can be used to determine the range, interquartile range and median of the data set.

The range is the difference between the two ends of the whiskers.

Range for the Wolverines = 96 - 35 = 61

Range for the Panthers = 107 - 33 = 74

The interquartile range is the difference between the first and third lines on the box

IQR for the Wolverines = 85 - 55 = 30

Range for the Panthers = 90 - 50 = 40

To learn more about box plots, please check: brainly.com/question/1523909

#SPJ1

6 0
2 years ago
Which graph best represents y=−2x+3
Savatey [412]

Answer:

download graphing calc, it'll help u sm

Step-by-step explanation:

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   ★ *     °      °·                            

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4 0
3 years ago
Are the triangles congruent, if so by what theorem/postulate
liberstina [14]

Yes, SSS

PR are already a given side. PS and PQ are also given sides. Lastly, RS and RQ are given sides.

4 0
3 years ago
What is the value of 5,sixths divided by 3,sevenths?
Alexus [3.1K]
5/6 divided by 3/7?

simple mi amigo!~

7* 5= 35

3*6= 18

= 35/18

= 1  17/18


5 0
3 years ago
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