Answer:
a+b = b+a
Step-by-step explanation:
Answer:
-1/4
Step-by-step explanation:
You would use rise over run:
12-11/2-6
When simplified, this is -1/4
Answer:
36
Step-by-step explanation:20 minutes divided by 5 pieces equals 4 minutes per piece. 9 x 4 equals 36
Answer:
-625
Step-by-step explanation:
The magnitude gets raised to the power, and the angle gets multiplied by the power:
5(cis7pi/4)^4 = (5^4)cis(4·7π/4) = 625cis(7π) = 625cis(π) = -625