Find the exact value of the expression or state that it does not exist.sin(tan-1 2)
A. 2
B. 
C. 5
D. 
Answer: B
Mathematics
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Multiply. Write the result in the form a + bi.
? 
A. -15 B. 15i2 C. -15i D. 15
Mathematics
Solve the problem.One conveyor belt can move 1000 boxes in 6 minutes. Another can move 1000 boxes in 9 minutes. If another conveyor belt is added and all three are used, the boxes are moved in 3 minutes. How long would it take the third conveyor belt alone to do the same job?
A. 
minute
B. 18 minutes
C. 1
minutes
D. 
minute
Mathematics
Factor by grouping.8x4 + 12x2y2 + 10x2y2 + 15y4
A. (4x2 - 5y2)(2x2 - 3y2) B. (8x2 + 5y2)(x2 + 3y2) C. (4x2 + 5y)(2x2 + 3y4) D. (4x2 + 5y2)(2x2 + 3y2)
Mathematics
Solve for the equation y"+ 16y = 48
What will be an ideal response?
Mathematics