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professor190 [17]
3 years ago
10

Suppose there is a strong positive correlation between m and n. Which of the

Mathematics
2 answers:
liberstina [14]3 years ago
7 0
B jshdhdhdhdjdkdjdkjdjdj
Phoenix [80]3 years ago
6 0
B trust ke trust me trust me
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A university offers 3 calculus classes: Math 2A, 2B, and 2C. A set of students have each taken at least one of the three classes
lyudmila [28]

Answer:

157

Step-by-step explanation:

We are given that

Number of students in maths 2A=n(2A)=51

Number of students in math 2B=n(2B)=80

Number of students in math 2C=n(2C)=70

Number of students in maths 2A and 2B=n(A\cap B)=15

Number of students in maths 2B and 2C=n(B\cap C)=13

Number of students in maths 2A and 2C=n(A\cap C)=20

Number of students in maths 2A ,2B and 2C=4

We have to find the number of students in a set.

Formula:n(A\cup B\cup C)=n(A)+n(B)+n(C)-n(A\cap B)-n(B\cap C)-n(A\cap C)+n(A\cap B\cap C)

Substitute the values in the given formula

n(2A\cup 2B\cup 2C)=51+80+70-15-13-20+4=157

Hence, total number of students in a set=157

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2 years ago
A system of equations is graphed on the coordinate plane.
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A system of equations is graphed on the coordinate plane.

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Captain Prince already has 34 kills so far. He has been “playing” for 50 minutes. If he ends, with 146 kills, how many kills doe
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