A Norman window has the shape of a rectangle surmounted by a semicircle as in the figure below. If the perimeter of the window is 40 ft, express the area, A, as a function of the width, x, of the window.
A. 
B. 
C. 
D. 
E. 
Answer: A
Mathematics
You might also like to view...
Solve the problem.Juice comes in cylindrical cans of two sizes. The larger can has a radius which is three times the radius of the smaller can. Both cans have the same height. How much more juice is in the large can than the small can?
A. Twenty seven times as much B. Three times as much C. Nine times as much D. Six times as much
Mathematics
Evaluate.Find 
(-5) when f(x) = 4x - 2 and g(x) = 5x2 + 14x + 2.
A. 
B. - 
C. 
D. 
Mathematics
Find the mode or modes for the list of numbers.The weights of cross-country runners (in pounds): 125, 141, 156, 125, 188, 199, 162
A. 156 pounds B. 91 pounds C. 125 pounds D. 141 pounds
Mathematics
Evaluate without using a calculator.
?
What will be an ideal response?
Mathematics