A cup of coffee has temperature 95°C and takes 30 minutes to cool to 61°C in a room with temperature 20°C . Show that the temperature of the coffee after t minutes is T (t) = 20+75(41/75)^t/30 What is the average temperature of the coffee during the first half hour ?
A cup of coffee has temperature 95°C and takes 30 minutes to cool to 61°C in a room with temperature 20°C . Show that the temperature of the coffee after t minutes is T (t) = 20+75(41/75)^t/30 What is the average temperature of the coffee during the first half hour ?
Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter10: Radical Functions And Equations
Section: Chapter Questions
Problem 9CR
Related questions
Question
A cup of coffee has temperature 95°C and takes 30 minutes to
cool to 61°C in a room with temperature 20°C . Show that the
temperature of the coffee after t minutes is T (t) = 20+75(41/75)^t/30
What is the average temperature of the coffee during the first half
hour ?
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