lulamylove9
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PLEASE ANSWER: The length of a rectangle is 4 ft less than three times the width, and the area of the rectangle is 55 ft2. Find the dimensions of the rectangle.

Length:
Width:

Respuesta :

lovewithcompass

Answer:

Length: 11

Width:5

Step-by-step explanation:

Let's say x is the width, then length is 3x-4

Area of a rectangle is Length times width

so x(3x-4)=55

then we solve

3x^2-4x-55=0

(3x+11)(x-5)=0

x cannot be negative so x=5

then if the width is 5, length is 3*5-4=11

Answer:

Step-by-step explanation:

Idk