Find the indicated term or coefficient of the binomial expansion.Find the coefficient of x2 in the expansion of (3x - 2)11.
A. 126,720
B. -253,440
C. -84,480
D. 658,948
Answer: B
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Express the expanded form as a Hindu-Arabic numeral.(1 × 108) + (7 × 103) + (7 × 1)
A. 100,007,007 B. 10,000,707 C. 1,007,007 D. 10,007,007
Find the direction angles of the vector. Round to the nearest degree, if necessary.v = 6i - 2j - 3k
A. ? = 31°, ? = 107°, ? = 115° B. ? = 41°, ? = 104°, ? = 112° C. ? = 18°, ? = 108°, ? = 223° D. ? = 83°, ? = 92°, ? = 94°
Solve the equation by completing the square.x2 - 4x - 12 = 0
A. {2, -1} B. {-10, -2} C. {-6, 2} D. {6, -2}
Solve the problem. Use 3.14 for ?. Round to the nearest tenth.The width of a piece of paper is 8.5 in., the length is 11 in., and the thickness is 0.0038 inches. There are 2600 sheets sitting in a cabinet by the copy machine. What is the volume occupied by the paper.
A. 1482.0 in3 B. 9.2 in3 C. 192.7 in3 D. 923.8 in3