Concept explainers
A
You design a frame to surround a rectangular photo the width of the frame is the same on the every side as shown
a) To write a polynomial that represents the combined area of the photo and the frame
A
Answer to Problem 44E
The solution is
a)
Explanation of Solution
Given information:a given rectangular frame with a photo with the given dimensions in the question.
Calculations:-
a) Area of the photo frame
=(20+2x)(22+2x)
=
=
B
You design a frame to surround a rectangular photo the width of the frame is the same on the every side as shown
b) to calculate the combined area of the photo and the frame when the width is 4 inch.
B
Answer to Problem 44E
The solution is
840sq inches
Explanation of Solution
Given information: a given rectangular frame with a photo with the given dimensions in the question.
width =4inches
Calculations:-
b) Width =4
x=4
area =
4(4*4)+84(4)+440
64+336+440
840 sq inches
Chapter 7 Solutions
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