Answer
2w+2(w+6)
Work Step by Step
In this exercises we are told to express
rectangles perimeter in terms of its width (w),
we know that the rectangle is 6 cm longer than
it is wide so we can express the perimeter as:
2$\times$w+2$\times$(w+6)
Precalculus: Mathematics for Calculus, 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305071751
ISBN 13:
978-1-30507-175-9
Chapter 1 - Section 1.7 - Modeling with Equations - 1.7 Exercises - Page 75: 16
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