Find the center of mass of a thin plate covering the given region with the given density function.The region enclosed by the parabolas y = 18 - x2 and y = x2, with density ?(x) = x2
A. 
= 0, 
= 9
B. 
= 0, 
= 
C. 
= 9, 
= 0
D. 
= 0, 
= 18
Answer: A
Mathematics
You might also like to view...
Use the graph to determine the equation of the circle in center-radius form.
A. (x - 4)2 + (y - 4)2 = 9 B. (x + 4)2 + (y + 4)2 = 3 C. (x + 4)2 + (y + 4)2 = 9 D. (x - 4)2 + (y - 4)2 = 3
Mathematics
Solve the problem.The number of enrollees in health maintenance organizations (HMOs) in Illinois in a recent year was 2,418,130. This was a 40.6% increase over the previous year. What was the former number of enrollees?
A. 171,986 enrollees B. 687,946 enrollees C. 3440 enrollees D. 1,719,865 enrollees
Mathematics
Identify the graph of the following ellipse.
?
?
A. ?
B. ?
C. ?
Mathematics
Write a mathematical expression for the word phrase.68 added to -11
A. -11 + 68 B. 11 - 68 C. 11 + 68 D. 68 - 11
Mathematics