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2 August, 17:38

The viewing window of a certain calculator is the shape of a rectangle

A) let w represent the width of the viewing window in centimeters. If the window is 5 centimeters longer than it is wide, write an expression in terms of w for the length of the viewing window

B) Write a symbolic rule that represents the perimeter, P, of the viewing window in terms of w

C) If the perimeter of the viewing window is 26 centimeters, determine the dimensions of the window

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  1. 2 August, 19:44
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    A) length=w+5

    b) P=2 (L+W), and since L=5+w, plug it in

    P=2 (W+5+W)

    P=2 (2W+5)

    P=4W+10

    c) 26=4w+10

    16=4w

    w=4
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