Solve the problem.Find out how long it takes a $2,700 investment to double if it is invested at 
compounded semiannually. Round to the nearest tenth of a year. Use the formula 
.
A. 10.3 years
B. 10.5 years
C. 10.1 years
D. 9.9 years
Answer: C
Mathematics
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Use the method of undetermined coefficients to solve the differential equation.
+ y = 9x + cos 2x; 
= 0 and y = 9? when x = ?
A. y = -9 sin x - 
cos x + 9x - 
cos 2x
B. y = 9 sin x + 
cos x + 9x - 
cos 2x
C. y = 9 sin x - 
cos x + 9x - 
sin 2x
D. y = 9 sin x - 
cos x + 9x - 
cos 2x
Mathematics
Provide an appropriate response.Sketch a graph of f(x) = 
+ 3
What will be an ideal response?
Mathematics
Solve the problem.A piece of cable which is 
m long is to be cut into pieces 
m long. How many pieces will there be?
A. 12 pieces
B. 100 pieces
C. 
piece
D. 60 pieces
Mathematics
B = 56ø, a = 6, and b = 8. Using the Law of Sines, find A.
a. A = 58.20ø b. A = 52.68ø c. A = 31.80ø d. A = 38.45ø e. A = 4.44ø
Mathematics