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nadezda [96]
2 years ago
11

The length of a rectangle is 5 more than twice the width. Which equation could represent the area of the rectangle in terms of t

he width?
Mathematics
2 answers:
Daniel [21]2 years ago
6 0

A=lw

w=width

2w+5=length

42=w(2w+5)

42=2w2+5w

2w2+5w-42=0

use the quadratic equation

(-5+√25+336)/4

(-5+√361)/4

(-5+19)/4

14/4=3.5

w=3.5 m

2w+5=12 m

3.5 by 12 rectangle

liq [111]2 years ago
5 0

Answer:

l=5+2w

Step-by-step explanation:

Since the length is twice the width plus 5, the equation would look like :

l=5+2w

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