CPM Homework Help : INT3 Problem 11-48

CPM Homework Banner

Home > INT3 > Chapter 11 > Lesson 11.1.4 > Problem 11-48

11-48.

What is the sum of the integers $- 10 + - 9 + - 8 + \ldots + 40 ?$

Hint:

Remember the summation formula:

$S=\frac{n(t(1)+t(n))}{2}$

Answer:

$765$

© 2022 CPM Educational Program. All rights reserved.