The augmented matrix of a system of equations has been transformed to an equivalent matrix in row-echelon form. If the system is consistent, then give the solution. If it is not, then state that it is inconsistent.
A. (11 + 11z, -3 - 4z, z)
B. (11 + 12z, -6 - 4z, z)
C. (11 + 11z, -6 - 4z, z)
D. Inconsistent
Answer: A
Mathematics
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A. y = -4x + 2
B. y = 
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- 5xy
A. -3xy2
B. 2xy3
C. 2x2y3
D. -3x2y2
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Provide an appropriate response.In a local election, 52.4% of those aged under 40 and 42.0% of those aged over 40 vote in favor of a certain ballot measure. Are age and "voting in favor" independent? How can you tell?
What will be an ideal response?
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A. 10 B. 20 C. 18 D. 22
Mathematics