Solve using the quadratic formula. Use a calculator to approximate the solution to three decimal places.0.1x2 - 0.2x - 0.2 = 0

A. 2.732
B. 0.268
C. 0.268, 3.732
D. -0.732, 2.732


Answer: D

Mathematics

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Solve the problem.Last year, Maria earned $323 per week. This year, her salary increased to $356 per week. By what percent did her salary increase?

A.

89.8%

B. 10.2%
C.
9.3%

D.
90.7%

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Evaluate the improper integral or state that it is divergent. 

A. 22
B. 4 ln 
C. 4 ln 2
D. 4 ln 

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Use multiplication to check the answer. If an answer is incorrect, find the correct answer.

A. Incorrect; should be 325 R2 B. Incorrect; should be 324 R3 C. Correct D. Incorrect; should be 325 R4

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Solve the problem.Find all points on the curve y = sin x, 0 ? x ? 2?, where the tangent line is parallel to the line 

A.
B.
C.
D.

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