The length of a rectangle is 1 ft more than double the width, and the area of the rectangle is 28ft^2. Find the dimensions of the rectangle

The length is 8 ft and the  width is 3.5  ft  and those are the dimensions.

Step-by-step explanation:

The length of the rectangle is 1 more than double the width so we can represent it by the equation  L = 2w + 1   where l is the length and w is the width. We know that to find the area of a rectangle, you will have to multiply the length by the width and the area is 28 ft.  so we can represent it by the equation,

w(2w+1) = 28  Now solve for w to find the width

2 + w = 28   Subtract 28 from both sides for the whole equation to equal zero.

+ w -28 = 0   Now solve for w using the quadratic formula

  x= -b ±  In this case, x is representing w(the width)

a = 2      b = 1     c = -28  

 x = -1 ±  

x= -1 ± 15 / 4

x=  14/4

x =  3.5  

The width is 3.5 ft  and the length is 1 more than double the width so

L =  2(3.5)  + 1

L = 7 + 1

l = 8  

The length is 8  

Check  

8 * 3.5 =  28  

 28 = 28

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step-by-step explanation:

sorry no step by step

answer: since the question is talking about growth you have to use the growth formula which is inital amount (1 + growth)^time

step-by-step explanation:

the intial amount is 1200, the growth is 4.8, and the time is 7. plug those numbers into the equation, also i think you have to change 4.8 into a percent. but, i have forgotton how to do that. if this is a online class go on to the lesson.