Trigonometry (10th Edition)

by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie

Published by Pearson

ISBN 10: 0321671775

ISBN 13: 978-0-32167-177-6

Appendix B - Graphs of Equations - Exercises - Page 424: 15

Answer

The percent in 1999 is 25.35%. which is near to that of the actual percentage of 25.2%.

Work Step by Step

By means of the midpoint formula, the percent in 1999 is $\frac{29.4 + 21.3}{2}$ = 25.35% which is near to that of the actual percentage of 25.2%.

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