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Solving a Direct Variation Application: Calories Burned Exercising
Apply the problem-solving strategy for direct variation to determine calories burned during exercise. If the number of calories burned, , varies directly with the amount of time spent exercising, , the general formula is . Given that calories are burned in minutes, substitute these values to find the constant: , which gives . The specific equation is . To find the calories burned in minutes, substitute into the equation: , resulting in . Thus, calories would be burned.
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Intermediate Algebra @ OpenStax
Ch.7 Rational Expressions and Functions - Intermediate Algebra @ OpenStax
Algebra
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An operations manager is modeling the relationship between electricity usage and machine run-time. If the usage varies directly with the run-time, what is the effect on the total electricity usage if the machine run-time is exactly tripled?
A project lead is creating a visual report showing that the total cost of materials varies directly with the number of units produced. When this direct variation relationship is graphed on a coordinate plane, which specific point must the line pass through to represent the scenario where no units are produced?
Solving a Direct Variation Application: Calories Burned Exercising
Solving a Direct Variation Application: Distance Traveled by a Train