Solve the problem.In an arithmetic sequence with first term P0 and common difference d, the sum of the first 200 terms is given by
A. 200(2P0 + 199d).
B. 200(2P0 + 200d).
C. 100(2P0 + 200d).
D. 100(2P0 + 199d).
E. none of these
Answer: D
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A. 29.7 mi B. 45.1 mi C. 14.0 mi D. 17.4 mi
Find the perimeter of the regular polygon.
A. 16.4 yd B. 5.12 yd C. 6.4 yd D. 3.2 yd
Find the mass, in grams, for the given number of molecules of a compound whose molar mass is given. Round your answer to the nearest hundredth of a gram.1.93 × 1022 molecules of calcium nitrate (Ca(NO3)2); molar mass 164.10 grams
A. 316.71 grams B. 0.03 grams C. 5.26 grams D. 1.18 grams
Solve the quadratic equation by completing the square.x2 + 8x - 64 = 0
A. -4 ± 4
B. -8 ± 4
C. 4 ± 4
D. -4 ± 16