The length of the side of a rectangle is two times width. the area is 50 ft.² what is the length?

A = Lw (Area = length * width)

L = 2w (length is twice the width

A = 50

Step-by-step explanation:

We have variable values, so plug them in:

50 = 2ww

50 = 2w2

Divide both sides by 2:

25 = w2

Square root:

5 = w

So there's the width. Double that and you'll get the length.

P = 2L + 2w (perimeter equals the two lengths and two widths added together)

You know the length and width, so add them together twice--add two lengths together and two widths together to get the perimeter.

use the power rule  

( a b ) n = a n b n

to distribute the exponent.

apply the product rule to  

3 x 2 y 3 . ( 3 x 2 ) 2 ( y 3 ) 2

apply the product rule to  

3 x 2 . 3 2 ( x 2 ) 2 ( y 3 ) 2

raise  

3

to the power of  

2 . 9 ( x 2 ) 2 ( y 3 ) 2 multiply the exponents in   ( x 2 ) 2

.

apply the power rule and multiply exponents,  

( a m ) n = a m n . 9 x 2 ⋅ 2 ( y 3 ) 2

multiply  

2   by   2 . 9 x 4 ( y 3 ) 2

multiply the exponents in  

( y 3 ) 2 .

apply the power rule and multiply exponents,  

( a m ) n = a m n . 9 x 4 y 3

⋅

2

multiply  

3   by   2 . 9 x 4 y 6

step-by-step explanation: