Answer:
Step-by-step explanation:
<u>Given</u>
<u>Substitute and solve for n:</u>
- 42 = n² + n
- n² + 2*1/2n + 1/4 = 42.25
- (n + 0.5)² = 42.25
- n + 0.5 = √42.25
- n + 0.5 = 6.5
- n = 6
Correct option is C
Answer:
D
Step-by-step explanation:
Have a nice day
Answer:
10x^8 is the sum
Step-by-step explanation:
I don’t know sorry I’m on this app because I need help myself
Answer:
the third one
Step-by-step explanation:
We can break it up into
. This means that it is
, or 