Solve the equation.0.4x - 0.2(40 + x) = -0.05(40)
A. {20}
B. {15}
C. {40}
D. {30}
Answer: D
Mathematics
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Describe the graph of the equation as either a circle or a parabola with a horizontal axis of symmetry.x = 5y2 + 60y + 7
A. The graph is a circle. B. The graph is a horizontal parabola.
Mathematics
What is the 4-day SMA for the following closing prices: $56, $61, $50, $57, $60, $58, and $57.
A. $56, $61, $50, $57 B. $56, $57, $56.25 C. $56, $57, $56.25, $58 D. $58, $56, $56.25, $57
Mathematics
Solve the polynomial equation in the complex numbers.x3 - 7x2 + 12x - 6 = 0
A. {1, 3 + 
, 3 - 
}
B. {1, -1, 6}
C. {1, 6 + 
, 6 - 
}
D. {-1, 6 + 
, 6 - 
}
Mathematics
Determine the percentage rate of change of F(t) = e-0.09t2 at t = 1 and t = 5.
A. 
= -19%, 
= -70%
B. 
= 19%, 
= 70%
C. 
= 18%, 
= 90%
D. 
= -18%, 
= -90%
Mathematics