Plot the complex number in the complex plane.2 + 4i

A.

B.

C.

D.
 


Answer: A

Mathematics

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Solve the problem.A harmonic oscillator can be modeled by the equation  where T is the time for one period and ? is the phase constant. Solve for t.

A. t =  
B. t =  
C. t =  cos-1 
D. t =  

Mathematics

Find the limit.  

A. Does not exist B. 1/2 C. 1/4 D. 0

Mathematics

A formula is given along with the values of all but one of the variables in the formula. Find the value of the variable not given. Round to the nearest hundredth where necessary.d = rt; t = 6, d = 24

A. 0.3 B. 18 C. 4 D. 30

Mathematics

Solve the triangle.

A. A = 74.4?, B = 48.8?, C =56.8?  B. A = 48.8?, B = 56.8?, C =74.4?  C. A = 56.8?, B = 74.4?, C =48.8?  D. A = 56.8?, B = 48.8?, C =74.4? 

Mathematics