Mathematics: 1) What is the area of a rectangle if the length is 4x+3 and the width is 3x. 2) What is the perimeter is the rectangle is x = 8. Show your work.

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1) What is the area of a rectangle if the length

jadenp23

27.01.2022

1) 12x^2 + 9x

2)118

Step-by-step explanation:

1) Area = length × breadth

Area = (4x + 3)3x

Area = 12x^2 + 9x

2) When x = 8 ,

length = 4(8) + 3 = 35

breadth = 3(8) = 24

Perimeter = 2 (length + breadth)

Perimeter = 2 (35 + 24)

= 2 × 59 = 118

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