asked 221k views
3 votes
Super Duper Urgent!
Find the sum of the summation of 2 i minus 12, from i equals 7 to 16.

asked
User Meirav
by
8.0k points

2 Answers

5 votes

The correct answer is 110

answered
User Foad
by
8.2k points
3 votes
Sigma(i = 7 to 16, 2i-12) = 2*sigma(i = 7 to 16, i) -120
= 2*115-120 = 110
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