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The area of a circle is approximately 3.14 times the radius squared. Which of the following expressions is a correct way to write this, if the radius is x?

 

A. 2(3.14)x

B. x(3.14)^2

C. 3.14x^2

D. (3.14x)^2

 

 

A farmer has a rectangular field, which measures 100 feet for the length and w feet for the width. If the perimeter is the sum of all four sides of the field, what is an expression for the perimeter of the field? Simplify.

 

A. 2w + 200

B. 4w

C. 2w + 100 + 100

D. w + 100 + w + 100

 Nov 12, 2019
 #1
avatar+106535 
+2

You should be able to do the first one

 

Second one

 

Perimeter   =  2  ( width + length)

 

Perimeter  =  2 ( w + 100)

 

Can you simplify this  ???

 

 

cool cool cool

 Nov 12, 2019
 #2
avatar+1409 
0

2w + 200

macabresubwoofer  Nov 12, 2019
 #3
avatar+106535 
0

Good job   !!!

 

 

cool cool cool

CPhill  Nov 12, 2019

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