February 22, 2017

Homework Help: algebra

Posted by Jill on Sunday, December 20, 2009 at 5:15pm.

Suppose the singers true love gave presents for n days instead of 12 days what would the toatl number of gifts given on the nth day be?she told us that the sum of consecutive integers from 1 to n is n(n+1) over 2
Someone told me n= 12 and the sum is = to 78. Why?

Answer This Question

First Name:
School Subject:

Related Questions

More Related Questions