SOLUTION: Find the sum of the first 100 terms of the sequence
6, 8, 10, 12, 14,...
Algebra.Com
Question 864084: Find the sum of the first 100 terms of the sequence
6, 8, 10, 12, 14,...
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
S = ½(12 + (99)2)100
S=50*210=10500
Bonus
an = a + (n - 1)d
a100= 6 + (99)2
a100=204
RELATED QUESTIONS
Given the sequence of first differences: 8, 10, 12, 14 find the first six terms of the... (answered by solver91311)
find the sum of the first 12 terms of the geometric sequence 2, 6, 18,... (answered by Iambibek1)
Find the sum of the first 32 terms of the following sequence:
-10, -2, 6 . . . (answered by ewatrrr)
find the sum of the first 12 terms of the sequence and write down the equation.
1, -4,... (answered by MathLover1,MathTherapy)
The sum of the first three terms of a geometric sequence is 8 and the sum of the first... (answered by mananth,ikleyn,Edwin McCravy,greenestamps)
The sum of the first 100 terms of the sequence 1, -2, 3, 4, -5, 6, 7, -8, 9, 10… is 1750. (answered by Edwin McCravy)
The sum of the first 100 terms of the sequence 1, -2, 3, 4, -5, 6, 7, -8, 9, 10… is 1750. (answered by Edwin McCravy)
Find the sum of the first 60 terms of the arithmetic sequence 14, 19, 24,... (answered by Edwin McCravy)
The differences between the terms of the geometric sequence are known:... (answered by Theo)