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Point K (-2,1) is rotated 90° counterclockwise about the origin. What are the coordinates of K’?
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Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.
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Point K (-2,1) is rotated 90° counterclockwise about the origin. What are the coordinates of K’?...
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