50) A pie comes out of the oven at 275°F and is placed to cool in a 70°F kitchen. The temperature of the pie T (in °F) after t minutes is given by T-70+205 e-0.018r. The pie is cool enough to cut when the temperature reaches 130°F. How long will this take? Round to the nearest minute.

50) A pie comes out of the oven at 275°F and is placed to cool in a 70°F kitchen. The temperature of the pie T (in °F) after t minutes is given by T-70+205 e-0.018r. The pie is cool enough to cut when the temperature reaches 130°F. How long will this take? Round to the nearest minute.

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

Chapter3: Solving Equation And Problems

Section3.1: Transforming Equations: Addition And Subtraction

Problem 9P

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Question

50) A pie comes out of the oven at 275°F and is placed to cool in a 70°F kitchen.
The temperature of the pie T (in °F) after t minutes is given by T-70+205
e-0.018r. The pie is cool enough to cut when the temperature reaches 130°F. How
long will this take? Round to the nearest minute.

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