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10. A sample of metal is heated to 698°C and then allowed to cool. The temperature of the metal over time is given by the formula n= 698– 21 -0.51, where t is the time in seconds after the start of the cooling process, and n is the temperature of the sample in degrees Celsius. After how many seconds will the temperature of the sample be 500°C? a) 16 b) 18 c)20 d) 22 e) 24 f) 26

10. A sample of metal is heated to 698°C and then allowed to cool. The temperature of the metal over time is given by the formula n= 698– 21 -0.51, where t is the time in seconds after the start of the cooling process, and n is the temperature of the sample in degrees Celsius. After how many seconds will the temperature of the sample be 500°C? a) 16 b) 18 c)20 d) 22 e) 24 f) 26

Algebra: Structure And Method, Book 1
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter10: Inequalities
Section10.3: Solving Problems Involving Inequalities
Problem 14P
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10. A sample of metal is heated to 698°C and then allowed to cool. The temperature of the metal over time is given by the formula n= 698– 21 -0.51, where t is the time in seconds after the start of the cooling process, and n is the temperature of the sample in degrees Celsius. After how many seconds will the temperature of the sample be 500°C? a) 16 b) 18 c)20 d) 22 e) 24 f) 26
Transcribed Image Text:10. A sample of metal is heated to 698°C and then allowed to cool. The temperature of the metal over time is given by the formula n= 698– 21 -0.51, where t is the time in seconds after the start of the cooling process, and n is the temperature of the sample in degrees Celsius. After how many seconds will the temperature of the sample be 500°C? a) 16 b) 18 c)20 d) 22 e) 24 f) 26
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