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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

Sagot :

camila2019371
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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