Find the polar coordinates,  and , of the point given in Cartesian coordinates.(, -)

A.
B. (
C.
D.


Answer: A

Mathematics

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Solve the problem.A 200 gal tank is half full of distilled water. At time = 0, a solution containing 1 lb/gal of concentrate enters the tank at the rate of 4 gal/min, and the well-stirred mixture is withdrawn at the rate of   When the tank is full, how many pounds of concentrate will it contain?

A. 100 pounds B. 200 pounds C. 120 pounds D. 150 pounds

Mathematics

Find the standard deviation for each data set. Round to one more place than the data.196, 205, 215, 185, 229, 278, 165

A. 30.2 B. 12.7 C. 36.2 D. 33.1

Mathematics

Provide an appropriate response.Current yield is the ratio of the ______ per share of stock to the ______:

A. annual dividend, 52 weeks high B. net change, year-to-date change C. annual dividend, closing price per share D. percentage change, year-to-date change

Mathematics

Graph the inequality.y ? - 5x

A.

B.

C.

D.

Mathematics