16-05-2017
Mathematics

contestada

please help me is for my geometry

please help me is for my geometry class=

Respuesta :

16-05-2017

the formula for surface area is SA=4pi(radius)^2
This means that 4SA=4pi(2r)^2
because 2^2=4
so multiply the first ball's surface area by 4
the answer is c

Answer Link

Otras preguntas

Measurement of structure in the cosmic microwave background radiation has recently indicated that we live in a flat universe between a closed and an open univer

4,750 mmEquation with an exponent 4.75 x 10^{3}103 = 4,750First, it's important to know that there are 1,000 millimeters in 1 meter. Second, it's important to k

What are your thoughts on the no child left behind law(dont report)

What does the circled part that the arrow is pointing to represent in the image above?

A major news organization selected a simple random sample of 1,600 subscribers from their list of 100,000 subscribers. They asked whether the paper should incre

100 fluid ounces of Laundry detergent sells for $12.99. What is the cost per fluid ounce rounded to cents?

The position of an object at time t is given by s(t) = 6 - 14t. Find the instantaneous velocity at t = 6 by finding the derivative. By using the difference quot

List each term of the domain {(-4, 3), (-4, 4), (-3, 1), (1, 1)}

what does adgaf mean

Ms. Heil is a new teacher at Roosevelt High School. She is concerned about her students and pays close attention to their affective behavior. When assessing a s