4. A ceramic insulator is baked at 400C° and cooled in a room in which the temperature is 25C°. After 4 minutes the temperature of the insulator is 200C°. What is its temperature after 8 minutes?

Algebra: Structure And Method, Book 1
(REV)00th Edition
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Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
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Chapter12: Quadratic Functions
Section12.6: Solving Problems Involving Quadratic Equations
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4. A ceramic insulator is baked at 400C° and cooled in a room in which the
temperature is 25C°. After 4 minutes the temperature of the insulator is 200C°.
What is its temperature after 8 minutes?
Transcribed Image Text:4. A ceramic insulator is baked at 400C° and cooled in a room in which the temperature is 25C°. After 4 minutes the temperature of the insulator is 200C°. What is its temperature after 8 minutes?
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