Trigonometry Question
Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE:
1. Give the measures of the complement and the supplement of an angle measuring 35°.
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Question
Expert Solution
Given:
Monthly service charge=$8.80
per therm service charge for first 25 therms=$0.6686/per therm
per therm service charge above 25 therms=$0.85870/therm
Part(a)
the charge for using 25 therms in one month:
=service charge for one month+(service charge for 25 therms)@$0.6686/therm
=$8.80+[$0.6686/per thermx(25therms)]
=$25.515
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