Find the nth term an of the geometric sequence.1, 
, 3, 3
, . . .
A. an = 3n/2
B. an = 3(n+1)/2
C. an = 3(n-1)/2
D. an = 3n-1
Answer: C
Mathematics
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Divide and simplify.
÷ 
A. 
B. 
C. 
D. 
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Solve the problem.Find the surface area of a cylinder with a radius of 2 cm and a height of 10 cm. Use 3.14 for ?.
A. 138.16 cm2 B. 376.8 cm2 C. 125.6 cm2 D. 150.72 cm2
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Write the sum without sigma notation and evaluate it.
A. 6 cos ? + 216 cos 3? = -222 B. 6 cos ? + 36 cos ? + 216 cos ? = -258 C. 6 cos ? + 36 cos 2? + 216 cos 3? = -186 D. 6 cos ? + 36 cos 2? + 216 cos 3? = 186
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Decide whether or not the ordered pair is a solution to the equation.x + 3 = 0; (-3, 4)
A. No B. Yes
Mathematics