There are different formulas for calculating the two types of compound events: Say A and B are two events, then for mutually exclusive events: P(A or B) = P (A) + P(B). For mutually inclusive events, P (A or B) = P(A) + P(B) - P(A and B).
Answer:
50
Step-by-step explanation:
575/11.5=50
Answer:
7-(-3)= 10
7-3=4
59-(-1)= 60
-17-(6)= -11
Step-by-step explanation:
Hope this helps! :3
Answer: 
Step-by-step explanation:
11.
(87+91+86+x)/4=90.
x=96.
13.
50×y > 130.
the lowest number could be 3, because 50×2=120, which is less than 130.
