Answer:
-a^2
A
Step-by-step explanation:
-a/b=a/-b=-a/b to fraction
-1/a^-2
If it’s under 90 make a acute angle of it 90 make a right angle if it’s over 90 make a obtuse angle
Answer:
Step-by-step explanation:
<u>Sum of n terms formula:</u>
<u>Solving for n</u>
- 3480 = 1/2n(9 + 165)
- 3480 = 87n
- n = 3480/87
- n = 40
Answer and step-by-step explanation:
I believe it is 287. I am not entirely sure, but I believe that is the answer.
