The length of a rectangle is 3 cm greater than its width. The perimeter is 24 cm. what are the dimensions of the rectangle

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babysaez736 babysaez736

25-08-2017
Mathematics

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The length of a rectangle is 3 cm greater than its width. The perimeter is 24 cm. what are the dimensions of the rectangle

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A pencil measures 14 cm long. How many millimeters long is it?

apologiabiology apologiabiology · Answer 1 · 2017-08-25T06:20:22+02:00

apologiabiology apologiabiology

25-08-2017

P=2(L+W)
P=24
24=2(L+W)
12=L+W

Length is 3 greater than width
L=3+W
subsitute
12=3+W+W
12=3+2W
minus 3
9=2W
divide by 2
4.5=W

sub back
L=3+W
L=3+4.5
L=7.5

the rectangle is 7.5cm long and 4.5cm wide

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mmxotwod mmxotwod · Answer 2 · 2019-05-03T21:36:43+02:00

mmxotwod mmxotwod

03-05-2019

Answer: 7.5cm long and 4.5cm wide

Step-by-step explanation:

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