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tresset_1 [31]
3 years ago
14

I dont get this at all

Mathematics
1 answer:
Neko [114]3 years ago
3 0
Use the internet that is what i would sorry i am in the 10th grade

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In a group of Explore students, 38 enjoy video games, 12 enjoy going to the movies and 24 enjoy solving mathematical problems. O
Elodia [21]

Answer:

The number of students that like only two of the activities are 34

Step-by-step explanation:

Number of students that enjoy video games, A = 38

Number of students that enjoy going to the movies, B = 12

Number of students that enjoy solving mathematical problems, C = 24

A∩B∩C = 8

Here we have;

n(A∪B∪C) = n(A) + n(B) + n(C) - n(A∩B) - n(B∩C) -n(A∩C) + n(A∩B∩C)

= 38 + 12 + 24 - n(A∩B) - n(B∩C) -n(A∩C) + 8

Also the number of student that like only one activity is found from the following equation;

n(A) - n(A∩B) - n(A∩C) + n(A∩B∩C) + n(B) - n(A∩B) - n(B∩C) + n(A∩B∩C) + n(C) - n(C∩B) - n(A∩C) + n(A∩B∩C) = 30

n(A) + n(B) + n(C) - 2·n(A∩B) - 2·n(A∩C) - 2·n(B∩C) + 3·n(A∩B∩C) = 30

38 + 12 + 24 - 2·n(A∩B) - 2·n(A∩C) - 2·n(B∩C) + 24 = 30

- 2·n(A∩B) - 2·n(A∩C) - 2·n(B∩C) = -68

n(A∩B) + n(B∩C) + n(A∩C) = 34

Therefore, the number of students that like only two of the activities = 34.

8 0
3 years ago
Select all that are true
sertanlavr [38]
A=-1, b=2 I hope this helped. Please please please if you like my answer mark Brainly:)
3 0
2 years ago
The scale of this map is 1 inch = 50 miles. How many miles is Mackinac Bridge from Milwaukee? The distance on the map between th
amid [387]

Answer: 200 is the answer hope this helps

Step-by-step explanation:

8 0
3 years ago
Graph the solution set of the inequality 1/4x &gt;-2<br> —
Pavel [41]

Answer:

x>= -8

Step-by-step explanation:

Hope the above image help..

Visit Quick math if you have problems with inequalities

4 0
2 years ago
HURRY plSSSSSSSSSSSSSSSSSSSSSS
snow_tiger [21]

Answer:

The unknown is 100

Step-by-step explanation:

A straight line is 180 degrees

We have two angles x, and 80

x+80 = 180

x = 180-80

x= 100

7 0
3 years ago
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