Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 11 - Review Exercises - Page 841: 73



Work Step by Step

The sum of the first $n$ integers can be obtained by the following formula: $\frac{n(n+1)}{2}.$ Thus the sum:$\frac{75(75+1)}{2}=75\cdot38=2850$
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