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The heat loss of a glass window varies jointly as the window's area and the difference between the outside and inside temperatures. A window 5 feet by 6 feet loses 6000 Btu per hour when the temperature outside is 40° colder than the temperature inside. Find the heat loss through a glass window that is 8 feet by 18 feet when the temperature outside is 20° colder than the temperature inside.

The heat loss of a glass window varies jointly as the window's area and the difference between the outside and inside temperatures. A window 5 feet by 6 feet loses 6000 Btu per hour when the temperature outside is 40° colder than the temperature inside. Find the heat loss through a glass window that is 8 feet by 18 feet when the temperature outside is 20° colder than the temperature inside.

Elementary Algebra
Elementary Algebra
17th Edition
ISBN:9780998625713
Author:Lynn Marecek, MaryAnne Anthony-Smith
Publisher:Lynn Marecek, MaryAnne Anthony-Smith
Chapter8: Rational Expressions And Equations
Section8.9: Use Direct And Inverse Variation
Problem 508E: The area of the face of a Ferris wheel varies directly with the square of its radius. If the area of...
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The heat loss of a glass window varies jointly as the window's area and the difference between the outside and inside temperatures. A window 5 feet by 6 feet loses 6000 Btu per hour when the temperature outside is 40° colder than the temperature inside. Find the heat loss through a glass window that is 8 feet by 18 feet when the temperature outside is 20° colder than the temperature inside. The heat loss is Btu per hour. (Type an integer or a decimal.) O Time Remaining: 02:24:08 Next
Transcribed Image Text:The heat loss of a glass window varies jointly as the window's area and the difference between the outside and inside temperatures. A window 5 feet by 6 feet loses 6000 Btu per hour when the temperature outside is 40° colder than the temperature inside. Find the heat loss through a glass window that is 8 feet by 18 feet when the temperature outside is 20° colder than the temperature inside. The heat loss is Btu per hour. (Type an integer or a decimal.) O Time Remaining: 02:24:08 Next
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