Solve the problem.Two low-frequency sound waves with similar frequencies, producing the pressures 
and 
combine to form a pressure P = P1 + P2 . The variable t is time measured in seconds. Graph P in 
by 
and use the graph to determine the frequency of the displayed beats.
A. 10 beats per second
B. 8 beats per second
C. 13 beats per second
D. 5 beats per second
Answer: D
Mathematics
You might also like to view...
Solve the equation.3log125x = 2
A. 
B. 5
C. 25
D. 125
Mathematics
Write as a percent.0.8
A. 0.08% B. 80% C. 800% D. 0.8%
Mathematics
Solve.x2 = 18
A. 9, -9
B. 3
, -3
C. 2
, -2
D. 324
Mathematics
Determine the intervals on which the function is increasing, decreasing, and constant.
A. Increasing on (4, ?); Decreasing on (-4, ?); Constant on (-4, 4) B. Increasing on (4, ?); Decreasing on (-?, -4); Constant on (-4, 4) C. Increasing on (-?, 4); Decreasing on (-4, ?); Constant on (4, ?) D. Increasing on (-?, 4); Decreasing on (-?, -4); Constant on (4, ?)
Mathematics