Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 13, Trigonometric Ratios and Functions - 13.3 Evaluate Trigonometric Functions of Any Angle - 13.3 Exercises - Mixed Review - Page 872: 53

Answer

$-192$

Work Step by Step

$\sum_{i=1}^{24} (17-2i)=-2 \times \sum_{i=1}^{24} i+\sum_{i=1}^{24} (17)$ $=(-2) \times \dfrac{(24) \times (24+1)}{2}+17 \times (24)$ $=(-2) \times \dfrac{(24) \times (25)}{2}+17 \times (24)$ $=-600+408$ $=-192$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.