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MrRissso [65]
3 years ago
13

Here are the scores of students on a history test. 57,58,61,61,65,71,73,75,77,78,80,82,92 Notice that the scores are ordered fro

m least to greatest. Give the five-number summary and the interquartile range for the data set.
Mathematics
1 answer:
trasher [3.6K]3 years ago
7 0
I hope this helps the five numbers on the bottom 71 7374 7577 is the interquartile range

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t When you reverse the digitals in a certain number you increase its value by 27. Find the number if the sum fixes digits is 9.
TiliK225 [7]
The number=10x+y
we suggest this system of equations:
(10y+x)-(10x+y)=27
x+y=9                                ⇒x=9-y

Can solve this system of equations by susbstitution method.
(10y+(9-y)-(10(9-y)+y)=27
10y+9-y-(90-10y+y)=27
10y-y+10y-y=27-9+90
18y=108
y=108/18
y=6

x=9-y
x=9-6
x=3

The number=10x+y=10(3)+6=36

Answer: the number is 36.

to check:
63-36=27
6+3=9
3 0
3 years ago
David and Tonya each cut a cylinder in half. The cross-section that results from David's cut is a rectangle. The cross-section t
bija089 [108]

Answer:

Tonya cut the cylinder vertically and David cut it diagonally.

4 0
3 years ago
Which number shows 6,312 rounded to the nearest ten?<br><br> 6,300<br> 6,310<br> 6,320<br> 6,330
Fiesta28 [93]

1 is in the tens place

we look at 2

2 <5 so we leave it alone

6,310

Choice B

7 0
3 years ago
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Kalon and his friend Marna own a chimney sweep service company. Working together, they can clean a chimney in 1 5/7 hours. If it
QveST [7]
The amount of work done by Kalon in an hour is equal to 1/4. This is based on his time to finish the job. Letting x be the number of hours Marna can finish the job alone will let her finish 1/x of the job in an hour. If their rates are added together and multiplied by the number of hours they worked together, the product should be one whole job.
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The value of x is 3. Therefore, it will take 3 hours for Marna to clean the chimney alone. 
6 0
3 years ago
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What is the median of the following numbers? 10,6,4,4,6,4,1
saveliy_v [14]

Answer:

4

Step-by-step explanation:

If you set the numbers in order from least to greatest, you will find that 4 is the middle value(median)

7 0
3 years ago
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