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There were 409 students in school. After some of them graduated, there were 172 students left. How many students graduated ?
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Mathematics, 21.06.2019 13:50
At a sand and gravel plant, sand is falling off a conveyor and onto a conical pile at a rate of 16 cubic feet per minute. the diameter of the base of the cone is approximately three times the altitude. at what rate is the height of the pile changing when the pile is 12 feet high? (hint: the formula for the volume of a cone is v = 1 3 πr2h.)
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Mathematics, 21.06.2019 16:00
Atrucker had a load of grain containing 2 tons. she unloaded 1 ton and 1,200 pounds at the warehouse. how much grain does she still have left on the truck?
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Mathematics, 21.06.2019 18:00
Solve 2^x=32 and rewrite this equation in a logarithmic form
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Mathematics, 21.06.2019 19:00
Gh bisects fgi. find the measure of hgi •15° •21° •10° •8°
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