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Mathematics, 21.06.2019 17:00
An air conditioning system can circulate 350 cubic feet of air per minute. how many cubic yards of air can it circulate per minute?
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Mathematics, 21.06.2019 19:30
:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?
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Mathematics, 22.06.2019 00:00
240 seventh graders and two-thirds of the students participate in after-school activities how many students participate in after-school activities
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Mathematics, 22.06.2019 02:20
Find the area of the surface obtained by rotating the curve z=4e^2y from y = 0 to y =1 about the y-axis. the area is square units
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