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BabaBlast [244]
1 year ago
12

A survey of 123 college students was done to find out what elective courses they were taking. Let A = the set of those taking ar

t, B = the set of those taking basketweaving, and C = the set of those taking canoeing. The study revealed the following information. n(A) = 45 n(A ∩ B) = 12 n(B) = 55 n(A ∩ C) = 15 n(C) = 40 n(B ∩ C) = 23 n(A ∩ B ∩ C) = 2 How many students were not taking any of these electives?
Mathematics
1 answer:
Ilya [14]1 year ago
8 0

Answer:

31

Step-by-step explanation:

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You randomly pick two numbers from 1 to 9 (including 1 and 9). A number that is chosen once could be chosen again. If at least o
Mnenie [13.5K]
Assume that you only include whole numbers (1,2,3,4,5,6,7,8,9) and not 3.5 and such
so if 1 is odd and less than 5 then it is
1 or 3, since 5 isn't included
then the other number, to be less than 5 when added,
must be
1+x<5
3+x<5
solve each
1+x<5
subtract 1
x<4
set of answers are 1,2,3

3+x<5
subtract 3
x<2
set of answer is 1
so the possible numbers are
1,2,3
that is 3 numbesr out of 9 so
probability=(total desired outcomes)/(total possible outcomes) so
disred outcomes=3
total possible=9
3/9=1/3
the probabiltiy is 1/3
7 0
3 years ago
MAX POINTS!!!! Please help me solve the problem in the picture and tell me what I’m doing also explain each step.
lapo4ka [179]

Answer: j=0.4

-j+0.8=-0.9j+0.76

-j+0.8+0.9j=-0.9+0.76+0.9j

-0.1j+0.8=0.76

-0.1+0.8-0.8=0.76-0.8

-0.1j=-0.04

-0.1j/-0.1=-0.04/-0.1

j=0.4

Ya have a good day.

5 0
2 years ago
Read 2 more answers
How do the height and base length of the two triangles compare to the height and base length of the original piece of paper?
notka56 [123]

Answer : The two dimensions are the same in the triangles as they were in the rectangle.

4 0
3 years ago
What’s the answer to this ? Please help.
gtnhenbr [62]

Answer:

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Step-by-step explanation:

1) slope 1/4 and yint 8

2) slope -2 and yint -3

3)slope 0 and y -int is 0 when there is no b

4) Slope is 0 and y int is 7 when there is no B

7 0
3 years ago
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kirill115 [55]

Step-by-step explanation:

❤️❤️needed this thank u!!!

5 0
3 years ago
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