Concept explainers
To express: Each equation as a variation (in words).
Answer to Problem 1OE
The equation is expressed as a variation as follows:
P varies jointly as s and t.
Explanation of Solution
Given information:
The following equation:
where k is a constant and other letters are variables.
The equation
P varies jointly as s and t.
When a quantity varies directly as the product of two or more other quantities, the variation is called joint variation.
Chapter 8 Solutions
Algebra and Trigonometry: Structure and Method, Book 2
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