Answer
66
Work Step by Step
We are given the following equation:
$$ H=\frac{1}{2}(n^2-n)$$
Plugging in $12$ for $n$, we find:
$$ H=\frac{1\cdot \left(12^2-12\right)}{2} \\ H=\frac{132}{2} \\ H=66$$
Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)
by Bittinger, Marvin L.; Ellenbogen, David J.; Johnson, Barbara L.
Published by
Pearson
ISBN 10:
0-32184-874-8
ISBN 13:
978-0-32184-874-1
Chapter 5 - Polynomials and Factoring - 5.8 Solving Applications - 5.8 Exercise Set - Page 360: 23
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter 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.
