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if the length of a rectangle is 2x+1 and the width is x, what is the perimeter of the rectangle when x=6 centimeters? show the steps you used to determine the answer

User Quasiyoke
by
6.2k points

2 Answers

3 votes

Answer :-

The perimeter of a rectangle is given by

P =2(l+w)

P =2( 2x+1 + x)

Combine like terms

P = 2(3x+1)

Distribute

P = 6x+2

Let x=6

P = 6*6+2

= 36+2

= 38 centimeters


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User Tzwickl
by
6.2k points
6 votes

Answer:

38 cm

Explanation:

The perimeter of a rectangle is given by

P =2(l+w)

P =2( 2x+1 + x)

Combine like terms

P = 2(3x+1)

Distribute

P = 6x+2

Let x=6

P = 6*6+2

= 36+2

= 38 centimeters

User Nickdnk
by
5.7k points