Q3 Find 00 (i) -t sin(v3t ∞ e

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter1: Fundamental Concepts Of Algebra
Section1.3: Algebraic Expressions
Problem 39E
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Q3 Find
Letsin(v3t)
de]
(ii) L-1
Transcribed Image Text:Q3 Find Letsin(v3t) de] (ii) L-1
Q4 A cup of tea is prepared in a preheated cup with hot water so that the temperature of both the
cup and the brewing tea is initially 190° F. The cup is then left to cool in a room kept at a
constant 72° F. Two minutes later, the temperature of the tea is 150° F. Determine (a) the
temperature of the tea after 5 minutes and (b) the time required for the tea to reach 100° F.
Transcribed Image Text:Q4 A cup of tea is prepared in a preheated cup with hot water so that the temperature of both the cup and the brewing tea is initially 190° F. The cup is then left to cool in a room kept at a constant 72° F. Two minutes later, the temperature of the tea is 150° F. Determine (a) the temperature of the tea after 5 minutes and (b) the time required for the tea to reach 100° F.
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