Essentials of College Algebra (11th Edition)
11th Edition
ISBN: 9780321912251
Author: Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher: PEARSON
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Question
Chapter 5.CR, Problem 34CR
To determine
To find:
The number of years in which the costs for the two refrigerators be equal and to find the equivalent cost at that time.
One refrigerator sells for $700 and uses $85 worth of electricity per year. A second refrigerator is $100 more expensive but costs only $25 per year to run. Assuming that there are no repair costs, the costs to run the refrigerators over a 10-yr period are given by the following system of equations. Here, y represents the total cost in dollars, and x is time in years.
In how many years will the costs for the two refrigerators be equal? What are the equivalent costs at that time?
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Chapter 5 Solutions
Essentials of College Algebra (11th Edition)
Ch. 5.1 - Prob. 1ECh. 5.1 - Prob. 2ECh. 5.1 - Prob. 3ECh. 5.1 - Prob. 4ECh. 5.1 - Prob. 5ECh. 5.1 - Prob. 6ECh. 5.1 - Prob. 7ECh. 5.1 - Prob. 8ECh. 5.1 - Prob. 9ECh. 5.1 - Prob. 10E
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Prob. 74ECh. 5.8 - Prob. 75ECh. 5.8 - Prob. 76ECh. 5.CR - Prob. 1CRCh. 5.CR - Prob. 2CRCh. 5.CR - Prob. 3CRCh. 5.CR - Prob. 4CRCh. 5.CR - Prob. 5CRCh. 5.CR - Prob. 6CRCh. 5.CR - Prob. 7CRCh. 5.CR - Prob. 8CRCh. 5.CR - Prob. 9CRCh. 5.CR - Prob. 10CRCh. 5.CR - Prob. 11CRCh. 5.CR - Prob. 12CRCh. 5.CR - Prob. 13CRCh. 5.CR - Prob. 14CRCh. 5.CR - Prob. 15CRCh. 5.CR - Prob. 16CRCh. 5.CR - Prob. 17CRCh. 5.CR - Prob. 18CRCh. 5.CR - Prob. 19CRCh. 5.CR - Prob. 20CRCh. 5.CR - Prob. 21CRCh. 5.CR - Prob. 22CRCh. 5.CR - Prob. 23CRCh. 5.CR - Prob. 24CRCh. 5.CR - Prob. 25CRCh. 5.CR - Prob. 26CRCh. 5.CR - Prob. 27CRCh. 5.CR - Prob. 28CRCh. 5.CR - Prob. 29CRCh. 5.CR - Prob. 30CRCh. 5.CR - Prob. 31CRCh. 5.CR - Prob. 32CRCh. 5.CR - Prob. 33CRCh. 5.CR - Prob. 34CRCh. 5.CR - Prob. 35CRCh. 5.CR - Prob. 36CRCh. 5.CR - Prob. 37CRCh. 5.CR - Prob. 38CRCh. 5.CR - Prob. 39CRCh. 5.CR - Prob. 40CRCh. 5.CR - Prob. 41CRCh. 5.CR - Prob. 42CRCh. 5.CR - Prob. 43CRCh. 5.CR - Prob. 44CRCh. 5.CR - Prob. 45CRCh. 5.CR - Prob. 46CRCh. 5.CR - 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63. Do the circle and the line have any points...Ch. 5.CR - Prob. 64CRCh. 5.CR - Prob. 65CRCh. 5.CR - Prob. 66CRCh. 5.CR - Prob. 67CRCh. 5.CR - Prob. 68CRCh. 5.CR - Prob. 69CRCh. 5.CR - Prob. 70CRCh. 5.CR - Prob. 71CRCh. 5.CR - Prob. 72CRCh. 5.CR - Prob. 73CRCh. 5.CR - Prob. 74CRCh. 5.CR - Prob. 75CRCh. 5.CR - Prob. 76CRCh. 5.CR - Prob. 77CRCh. 5.CR - Prob. 78CRCh. 5.CR - Prob. 79CRCh. 5.CR - Prob. 80CRCh. 5.CR - Prob. 81CRCh. 5.CR - Prob. 82CRCh. 5.CR - Prob. 83CRCh. 5.CR - Prob. 84CRCh. 5.CR - Prob. 85CRCh. 5.CR - Prob. 86CRCh. 5.CR - Prob. 87CRCh. 5.CR - Prob. 88CRCh. 5.CR - Prob. 89CRCh. 5.CR - Prob. 90CRCh. 5.CT - Prob. 1CTCh. 5.CT - Prob. 2CTCh. 5.CT - Prob. 3CTCh. 5.CT - Prob. 4CTCh. 5.CT - Prob. 5CTCh. 5.CT - Prob. 6CTCh. 5.CT - Prob. 7CTCh. 5.CT - Prob. 8CTCh. 5.CT - Prob. 9CTCh. 5.CT - Prob. 10CTCh. 5.CT - Prob. 11CTCh. 5.CT - Prob. 12CTCh. 5.CT - Prob. 13CTCh. 5.CT - Prob. 14CTCh. 5.CT - Prob. 15CTCh. 5.CT - Prob. 16CTCh. 5.CT - Prob. 17CTCh. 5.CT - Prob. 18CTCh. 5.CT - Prob. 19CTCh. 5.CT - Prob. 20CTCh. 5.CT - Prob. 21CTCh. 5.CT - Prob. 22CTCh. 5.CT - Prob. 23CTCh. 5.CT - Prob. 24CTCh. 5.CT - Prob. 25CTCh. 5.CT - Prob. 26CTCh. 5.CT - Prob. 27CTCh. 5.CT - Prob. 28CTCh. 5.CT - Prob. 29CTCh. 5.CT - Prob. 30CTCh. 5.CT - Prob. 31CTCh. 5.CT - Prob. 32CT
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