35, because the intervals are +3,
3*10 = 30
Therefore,
5+30= 35
Answer:
The formula says that the sum of the first n terms of our arithmetic sequence is equal to n divided by 2 times the sum of twice the beginning term, a, and the product of d, the common difference, and n minus 1. The n stands for the number of terms we are adding together.
Step-by-step explanation:
Answer:
120
Step-by-step explanation:
I assume you're dividing 25 by 6 because of the key words "go in" so
25 divided by 6 = 4.167