-2w^2=66.54-201.02
-2w^2= -134.48
w^2 = 134.48/2
w=square root of (67.24)=8.20
Hello,
If r is the commun term added.
The mean is the average, so add all the numbers and divide by 7 (7 terms).
-14 is the sum, divided by 7 = -2
The mean is -2.
Answer:
110
Step-by-step explanation:
4 x ( 3+ 52) ÷ 2
4 x 55 ÷ 2
220 ÷ 2 = 110
Answer:
2×(1+10)
Step-by-Step
You are just substituting in where the parenthesis go.
But I am not entirely sure.
