Concept explainers
(a)
The table showing various value of width
(a)
Answer to Problem 46PPS
Width (x) | Length (2x) | Perimeter2(l+w) |
1 | 2 | 6 |
2 | 4 | 12 |
3 | 6 | 18 |
4 | 8 | 24 |
5 | 10 | 30 |
6 | 12 | 36 |
Explanation of Solution
Given:
The given rectangle is
Calculation:
For various values of width:
Width (x) | Length (2x) | Perimeter2(l+w) |
1 | 2 | 6 |
2 | 4 | 12 |
3 | 6 | 18 |
4 | 8 | 24 |
5 | 10 | 30 |
6 | 12 | 36 |
(b)
The graph of the ordered pairs
(b)
Answer to Problem 46PPS
Explanation of Solution
Given:
The given rectangle is
Calculation:
The ordered pairs (width, perimeter) are
The graph can be drawn as
(c)
The expression for the perimeter
(c)
Answer to Problem 46PPS
Explanation of Solution
Given:
The given rectangle is
Calculation:
Let the width = w
The length = 2w
The perimeter will be
(d)
The effect on perimeter when the width is doubled
(d)
Answer to Problem 46PPS
The perimeter gets doubled
Explanation of Solution
Given:
The given rectangle is
Calculation:
Let the width =2w
The length = 4w
The perimeter will be
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Pre-Algebra Student Edition
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