Evaluate or simplify the given expression.sin (tan-1 x)

A.
B.
C.
D.


Answer: D

Mathematics

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Find the center of mass of the particles with the given masses located at the given points.55 at (-6.7, 0), 63 at (-3.2, 0), 74 at (1.4, 0)

A.  = 0.96,  = 0
B.  = 55,  = 0
C.  = -2.4,  = 0
D.  = -23,  = 0

Mathematics

Evaluate.-5.10 - (-0.14)

A. 5.24 B. -4.96 C. -5.24 D. 4.96

Mathematics

Solve the problem.The number of bacteria growing in an incubation culture increases with time according to  where t is time in days. After how many days will the number of bacteria in the culture be 169,600?

A. 10 days B. 1 day C. 5 days D. 6 days

Mathematics

Evaluate the following expression. ? ?

A. 7 B. 13 C. 39 D. 21 E. 31

Mathematics