Answer:
9 (i - 1)
Step-by-step explanation:
Simplify the following:
-7 + 3 i - (-6 i + 2)
-(2 - 6 i) = -2 + 6 i:
6 i - 2 - 7 + 3 i
-2 + 6 i - 7 + 3 i = (6 i + 3 i) + (-2 - 7) = -9 + 9 i:
9 i - 9
Factor 9 out of 9 i - 9 giving 9 (i - 1):
Answer: 9 (i - 1)
Answer:
A. 5.4
Step-by-step explanation:
I think... I haven't done this sort of question in a while
Answer:
x = 6
Step-by-step explanation:
Let x = first number
x+4x = 30
5x = 30
Divide by 5
5x/5 =30/5
x = 6
Answer:
there is 21 boys
Step-by-step explanation:
hope that helps