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Levart [38]
3 years ago
9

There are 25 students who answered a survey about sports 4/5 of them like football how many students like football?

Mathematics
2 answers:
REY [17]3 years ago
4 0
20 students

25 divided by 5 is 5

5 time 4 is 20
julia-pushkina [17]3 years ago
3 0
20, if there is 25 students but them in 5 groups and then count 4 of the groups which will give you 20
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The weights (in pounds) of 18 preschool children are
ivanzaharov [21]

Answer:

22.8 and 37.5

Step-by-step explanation:

Given the

The weights (in pounds) of 18 preschool children are

32, 20, 25, 27, 31, 22, 30, 23, 44, 37, 33, 45, 41, 24, 34, 21, 39, 29

To find its 20th percentile and 75th percentile.

In ascending order we get like this

Position  X (Asc. Order)

1  20

2  21

3  22

4  23

5  24

6  25

7  27

8  29

9  30

10  31

11  32

12  33

13  34

14  37

15  39

16  41

17  44

18  45

Percentile position = (no of entries +1)20/100 = 19/5 = 3.8

Since posiiton is not integer we use interpolation method.

The value of 3.8 - 3 = 0.8 corresponds to the proportion of the distance between 22 and 23 where the percentile we are looking for is located at.

Hence 20th percentile = 22+0.8(23-22)=22.8

So answer is 22.8

----------------------

75th percentile

Percentile posiiton = 19(75)/100 = 14.25

75th percentile= 37+0.25(39-37)=37.5

6 0
3 years ago
a machine paints 340 toy boats in 45 minutes. Which expression equals the unit rate per hour? A: 3/4/340. B: 45/350 C: 340/3/4 D
monitta

340 in 0.75 hours. Divide both sides by 0.75, therefore 340/0.75 in 0.75/0.75 hour.
So 453.33 in one hour.(453.33 units per hour)

Hope it helps! :D

6 0
3 years ago
Read 2 more answers
What is the branch of mathematics that uses variables and operations?
Grace [21]

Answer:

Algebra

Step-by-step explanation:

5 0
3 years ago
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Help me, please<br> im serious tho
murzikaleks [220]

Answer:

2/6 or 1/3 so color 2 out of the six squares

Step-by-step explanation:

1/2 - 1/6 is equal to 3/6 - 1/6 so 2/6

7 0
3 years ago
Y=-3/2x+2 Help please!
skad [1K]
 I believe this is the correct answer Y= 3/2x+2
 Hope this helped you and have a fantastic day!
8 0
3 years ago
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