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bazaltina [42]
2 years ago
15

This morning 45 students showed up to school early. 40% of that showed up did not have a backpack on.How many students did not s

howed up with a backpack on?
Mathematics
2 answers:
Alex787 [66]2 years ago
8 0

Answer:

Step-by-step explanation:

if your dong 40% of 45 t will be 18

sattari [20]2 years ago
4 0

Answer:

18

Step-by-step explanation:

To solve we fist need to figure out what 40% is in decimal form. To do this we have to move the decimal point to the left 2 spaces.

40% -> 0.40

Then we can multiply...

45 · 0.40 = 18  (This means that 40% of the total 45 students is 18).

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What is the interquartile range (IQR) of the following data set?
OleMash [197]

Answer:

9

Step-by-step explanation:

Arrange data set

19, 4, 17, 3, 6, 5,5, 3, 11, 12, 3, 7, 15, 8, 8, 10,5, 3, 12, 41, 36

in ascending order

3, 3, 3, 3, <u>4, 5,</u> 5, 5, 6, 7, 8, 8, 10, 11, 12, <u>12, 15,</u> 17, 19, 36, 41

The median is Q_2=8

Q_1=\dfrac{4+5}{2}=4.5  

Q_3=\dfrac{12+15}{2}=13.5

Thus, the interquartile range is

Q_3-Q_1=13.5-4.5=9

4 0
3 years ago
Create a story problem for 3/4 times 3
luda_lava [24]

Answer:

Kendrick is making a buffet for his family. He needs  3x3/4 of flour to make it.

He doesn't know what store to go to either.

8 0
2 years ago
Segment A.B. is 40 mm long segment BC is 35 mm long how long is segment AC
vesna_86 [32]
If AB=40mm and BC=35mm

AC=40+35=75mm
3 0
3 years ago
Read 2 more answers
A rope is 225 centimeters long.
n200080 [17]

Answer:

This is impossible, unless you meant centimeters. If you did, then the answer would be 113.

Step-by-step explanation:

225 - 112 = 113.

8 0
3 years ago
Parking is not allowed __________ A. within 30 feet of a rural mail box on a state highway between 7 a.m. and 5 p.m. B. by curbs
sashaice [31]
The correct one is B
3 0
3 years ago
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