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Mathematics, 21.06.2019 17:00
The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?
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The train station clock runs too fast and gains 5 minutes every 10 days. how many minutes and seconds will it have gained at the end of 9 days?
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Mathematics, 21.06.2019 17:40
The perimeter of a rectangle is greater than or equal to 74 meters. if the length is 25 meters, the minimum width of the rectangle is meters.
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Mathematics, 22.06.2019 00:00
Cd is the perpendicular bisector of both xy and st, and cy=20. find xy.
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Evaluate the expression when c=-5.1 and d= - 7.8.
6d-3c...
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