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anonymous
 one year ago
Find the sum of the summation of 3 i plus2, from i equals 5 to 13.
anonymous
 one year ago
Find the sum of the summation of 3 i plus2, from i equals 5 to 13.

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tkhunny
 one year ago
Best ResponseYou've already chosen the best response.3Have you considered substituting the values given for 'i' and adding them up? Are you supposed to use the Arithmetic Series sum formula? Show your work!

tkhunny
 one year ago
Best ResponseYou've already chosen the best response.3I'll take that as a 'yes' to the second question. Okay, how do you interpret the formula, in light of the problem statement? What is a1? What is n? What is an?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0an is the number youre looking for

tkhunny
 one year ago
Best ResponseYou've already chosen the best response.3a1 = 3*5 + 2 = 15 + 2 = 17  Good. n = count(5, 6, 7, 8, 9, 10, 11, 12, 13) = 9  Whoops!

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0okay! so thats where i was going wrong

tkhunny
 one year ago
Best ResponseYou've already chosen the best response.3n is the number of terms. Never underestimate the power of simply counting.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0dw:1440127493001:dw

tkhunny
 one year ago
Best ResponseYou've already chosen the best response.3Done. You are now an expert. Move on to the next one.
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