Solve the problem.A circular swimming pool, 20 feet in diameter, is enclosed by a circular deck that is 5 feet wide. What is the area of the deck? Use ? = 3.1416.
A. 314.2 ft2
B. 942.5 ft2
C. 392.7 ft2
D. 675.4 ft2
Answer: C
You might also like to view...
Graph the system of inequalities.y ? -x2y ? x + 1y ? -5x ? -4
A. 
B. 
C. 
D. 
Solve the problem.Maxwell's theory of electromagnetic waves established that electromagnetism moved through space in waves. Under certain conditions, an equation that Maxwell used to explain the motion of such waves would take the form 
where ? is the angle of incidence of the original wave, ? is the angle of incidence of the wave when reflected, A is the amplitude of the original wave, and B is the amplitude of the wave when reflected. Find the value of 
when 
-4.0px;" /> and 
Round to four decimal places.
A. -0.4789
B. 0.3492
C. -0.3872
D. 0.1661
Solve the problem.Evaluate (f + g)(3) given f(x) = x - 4 and g(x) = x - 7.
A. -5 B. 9 C. 3 D. 17
One isotope of holmium, 162 Ho, has a half-life of 22 minutes. The half-life of a second isotope, 164 Ho, is 37 minutes. Starting with a sample containing equal amounts, find the ratio of the amounts of 162 Ho to 164 Ho after 32 minutes. ? Please give the answer to four decimal places.
Fill in the blank(s) with the appropriate word(s).