Use the Binomial Theorem to find the indicated coefficient or term.The 4th term in the expansion of (2x - 3y)12

A. -1,520,640x3y9
B. 1,013,760x3y9
C. -3,041,280x9y3
D. 1,013,760x9y4


Answer: C

Mathematics

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A.  
B.
C. -  
D. -  

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Use least common multiple or greatest common divisor to solve the problem.Three clocks chime every 14 minutes, 22 minutes, and 77 minutes, respectively. If the three clocks chime together, how much time must pass before they will chime together again?

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Solve the system by the elimination method.x + y = -7x + y = 4

A. ? B. {(0, -3)} C. {(0, 0)} D. {(-7, 4)}

Mathematics