Solve the system of equations graphically using a graphing calculator. Find all values to the nearest tenth.x2 + 2y2 = 32y = 6 - x
A. x = -1.2, y = 3.6
B. x = -1.2, y = 3.6; x = 5.2, y = 0.4
C. No solution
D. x = 5.2, y = 0.4
Answer: C
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Solve the problem.Maxwell's theory of electromagnetic waves established that electromagnetism moved through space in waves. Under certain conditions, an equation that Maxwell used to explain the motion of such waves would take the form 
where ? is the angle of incidence of the original wave, ? is the angle of incidence of the wave when reflected, A is the amplitude of the original wave, and B is the amplitude of the wave when reflected. Express 
in terms of sin 2? and sin 2?.
A. 
B. 
C. 
D. 
Solve the problem.Suppose that the dollar cost of producing x radios is 
Find the marginal cost when 40 radios are produced.
A. $14 B. $1480 C. -$1480 D. $46
Convert 151210 to Octal.
a. 2750 b. 1732 c. 1025 d. 578 e. 189
Find the first five terms of the recursively defined sequence.a1 = 9, an+1 = 
A. 9, - 
, - 
, - 
,- 
B. 9, - 
, -9, - 
, -9
C. 9, - 
, 
, - 
, 
D. 9, - 
, 9, - 
, 9