The question isn't very clear to me but i'll try it out.
B-2=1
B=1+2
B=3
HOPE I HELPED!!!
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Answer:
x=15
Step-by-step explanation:
I hope this helps you
Answer:
Step-by-step explanation:
Let us assume there are n people in the group. If possible let each have different number of friends.
Number of friends can vary from 0 to n-1 only since no one is a friend of him- or herself, and friendship is symmetrical—if x is a friend of y then y is a friend of x.)
Now n people have friends as 0,1,2...n-1 such that each has distinct number of friends.
But say if A has 0 friends, it means A has no friend,
but there is one B who has n-1 friends i.e. all the others in the party are friends to him including A
This is a contradiction. So it follows in any group of people, two of them have the same number of friends in the group.
Answer: B. This is sometimes true.
Step-by-step explanation:
A positive correlation between 2 variables means that they generally move in the same direction meaning that as one variable rises, the other rises as well and as the other falls, the other falls as well.
However, the correlation can be strong, weak or anything in-between. This means that just because one variable increases by 12 does not mean the other would as well. It could increase by 1 alone and still have a positive correlation albeit a small one.
Therefore, if the value of one variable is above the mean, it doesn't always follow that the other with a positive correlation will as well as they just might not have that strong a correlation.
