Answer:
-3
Step-by-step explanation:
What you do is divide the 12 by 4, which equals 3. But then dividing a negative by a positive still gives you a negative, so you add in the negative after the quotient. So your answer would be -3.
Answer:
18.85 units
Step-by-step explanation:
c = 3.14 x d
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:
5
Step-by-step explanation:
Okay, so adding negative numbers can get very tricky, but I think I can help
Since there are two negative signs next to each other, they both cancel out and become positive so instead you get
-2+7
And if you do this with a number line, if you start and negative 2 and keep going right 7 times, you get 5
I hope I helped! I know negative numbers can be really difficult, but once you get the hang of it I bet you'll be great!
