Solve the system of equations. If the system is inconsistent or has dependent equations, say so.
A. {(-6, 2, -2)}
B. ?; inconsistent system
C. {(2, -2, -6)}
D. {(x, y, z) 
}; dependent equations
Answer: B
Mathematics
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Divide.
A. 4x9 - 7x7 - 2x2 B. -48x7 - 84x5 + 24 C. 4x7 - 7x5 - 2 D. 48x7 - 84x5 - 24
Mathematics
Construct a truth table for the statement.(q ? ~r) ? (q ? ~r)
A. 
| T | T | T |
F T F
F F F
B.
| T | T | T |
F T F
F F T
C.
| T | T | F |
F F F
F T T
D.
| T | T | F |
F T T
F F T
Mathematics
Use Pascal's triangle to answer the question.Guess a formula for the sum of the entries in the nth row of Pascal's triangle.
A. 2n + 1 B. 2n-1 C. 2n - 1 D. 2n
Mathematics
Use the problem-solving strategy to solve the problem and find the unknown number.A number plus the product of 3 and the difference of 8 and the number is equal to the product of 4 and the number, increased by 6.
A. 3 B. 8 C. 0 D. 6
Mathematics