Solve the system by the Gauss-Jordan method.
?
?
A. 
B. ?
C. ?
D. ?
E. inconsistent
Answer: C
Mathematics
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Solve the problem. When needed, use 365 days per year and 30 days per month.What principal invested at 8% compounded continuously for 4 years will yield $1190? Round the answer to two decimal places.
A. $864.12 B. $1188.62 C. $1638.78 D. $627.48
Mathematics
Simplify.
A. 
B. 
C. 
D. 
Mathematics
Describe the graph of the equation as either a circle or a parabola with a horizontal axis of symmetry.x2 + 10x + y2 + 4y = 46
A. The graph is a circle. B. The graph is a horizontal parabola.
Mathematics
Find the solutions of the quadratic equation. Express answers in standard form.(x - 4)2 = -4
A. -6, 2 B. 2i, -2i C. 4 + 2i, 4 - 2i D. 2, 6
Mathematics