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Tight that falls on a -square TOot ared the

Tight that falls on a -square TOot ared the

Algebra and Trigonometry (6th Edition)
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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I need help with these two questions solving variation problems. I'm having a hard time figuring it out.
12. Solve each variation problem. a. The weight an object exerts on a scale varies directly as the mass of an object. If a bowling ball has a mass of 6 kg, the scale reads 54. If another object has a mass of 8 kg, what would the scale read? b. The intensity I of light is inversely proportional to the square of the distance d from the light source. Suppose the intensity of the light 4 meters from a light source is 40 lumens. (A lumen is the amount of light that falls on a 1-square foot area that is 1 foot from a candle.) Find the constant of variation and determine the intensity of the same light 6 meters from its source.
Transcribed Image Text:12. Solve each variation problem. a. The weight an object exerts on a scale varies directly as the mass of an object. If a bowling ball has a mass of 6 kg, the scale reads 54. If another object has a mass of 8 kg, what would the scale read? b. The intensity I of light is inversely proportional to the square of the distance d from the light source. Suppose the intensity of the light 4 meters from a light source is 40 lumens. (A lumen is the amount of light that falls on a 1-square foot area that is 1 foot from a candle.) Find the constant of variation and determine the intensity of the same light 6 meters from its source.
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