Concept explainers
To calculate: The cost of running an appliances varies jointly as the number of watts used, the hours of operation,
A
Answer to Problem 5P
Thus, the cost is:
Explanation of Solution
Given information:
The cost of running an appliances varies jointly as the number of watts used, the hours of operation,
A
Formula used:
For varies jointly:
Calculation:
The cost of running an appliances varies jointly as the number of watts used, the hours of operation,
A
Recall that for varies jointly:
The values are:
Therefore, the given area by,
Then the height is:
Thus,
Hence, when:
So,
Thus, the cost is:
Chapter 12 Solutions
Algebra: Structure And Method, Book 1
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