78,699 views
36 votes
36 votes
What is the sum of the finite arithmetic series 26+29+32

User Vanegeek
by
2.9k points

2 Answers

9 votes
9 votes

Answer:

87

Step-by-step explanation:

Sn =n\2[2a+(n-1)d]

=3/2[2(26)+(3-1)3]

3/2(52+6)

3/2(58)

=87

User Cppit
by
3.1k points
23 votes
23 votes

Answer:

87

Step-by-step explanation:

2 b eee d d dbbbbbjshshdhdhdhdhshhshssis

User Mukunda
by
3.0k points