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. (4, -15, -27)
B. (-15, 1, 4)
C. (29, -15, 4)
D. Inconsistent
Answer: D
Mathematics
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Determine whether the statement is a self-contradiction, an implication, a tautology (that is not also an implication), or none of these.p ? q
A. Tautology B. Self-contradiction C. Implication D. None of these
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Use the definition of multiplication to show what the expression means.
?
?
A. 
, (7 terms)
B. 
, (140 terms)
C. 
, (6 terms)
D. 
, (7 terms)
E. 
, (140 terms)
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Evaluate the function.Find f(-4.2) when f(x) = -9x + 4.5.
A. -33.3 B. 38.25 C. 33.3 D. 42.3
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Perform the indicated operations.20 ÷ 4(4 - 1)
A. 320 B. 8 C. 3 D. 15
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