When a cold drink is taken from a refrigerator, its temperature is 5oC. After 25 minutes in

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When a cold drink is taken from a refrigerator, its temperature is 5oC. After 25 minutes in a 20oC room its temperature has increased to 10oC.
(a) What is the temperature of the drink after 50 minutes?
(b) When will its temperature be 15oC?

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Calculus Early Transcendentals

ISBN: 978-0538497909

7th edition

Authors: James Stewart

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Question Posted: Jul 07, 2010 04:10 AM

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When a cold drink is taken from a refrigerator, its temperature is 5oC. After 25 minutes in

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dt dy kT20 Letting y T 20 we get dt 15 so y25 y0e25k 25k T25 20 1020 10 s...View the full answer

Calculus Early Transcendentals

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