Find the polar form of the complex number.5

A. 5(cos ? + i sin ?)
B. 5(cos  + i sin )
C. 5(cos  + i sin )
D. 5(cos 0 + i sin 0)


Answer: D

Mathematics

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Solve the problem.A company's annual revenue for the period since 2000 can be modeled by the function  where R is in millions of dollars and n = 0 corresponds to 2000. Assuming the model accurately predicts future revenue, find the year in which the revenue first exceeds $4.52 million.

A. 2013 B. 2009 C. 2010 D. 2011

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Change the measurements on this scale drawing to decimals and round them to the nearest tenth of an inch.  a 4 in.  b  in.  c  in.  d  in.  e 2

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Mathematics

Convert the measurement as indicated.7 qt to cups

A. 58 c
B. 29 c
C. 116 c
D. 14 c

Mathematics

Of the 2,598,960 different five-card hands possible from a deck of 52 playing cards, how many would contain the following cards?All black cards

A. 65,780 hands B. 32,890 hands C. 263,120 hands D. 131,560 hands

Mathematics