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Chapter 2: Q. 391 (page 273)

In the following exercises, use the formula d = rt .

Solve for t 鈸� when d =175andr= 50 鈸� in general

Short Answer

Expert verified

a.Theformulahavesolutiont=3.5b.Theformulat=drissolvedfort

Step by step solution

01

Step 1. Given information

The given formula is d = rt .

We have to solve the given eqauation when 鈸� d = 175 and r = 50 鈸� in general.

02

Step 2.  Part(b).  Explanation

Solve:a.Whend=175andr=50Givenformulad=rt鈬�175=(50)脳t(Substitute)鈬�17550=(50)脳t50(Dividebothsidesby50)鈬�3.5=t(Simplify)Theformulahavesolutiont=3.5

03

Step 2. Part(b)

b.IngeneralGivenformulad=rt鈬�dr=rtr(Dividebothsidesbyr)鈬�dr=t(Simplify)Theformulat=drissolvedfort

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