Mathematics, 12.10.2021 04:00 GLASGOWANASTASIA
Một thửa ruộng hình chữ nhật có chu vi là 480m, chiều dài hơn chiều rộng là 4dam. Tìm diện tích hình chữ nhật dạng tổng hiệu
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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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Atourist boat is used for sightseeing in a nearby river. the boat travels 2.4 miles downstream and in the same amount of time, it travels 1.8 miles upstream. if the boat travels at an average speed of 21 miles per hour in the still water, find the current of the river.
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Một thửa ruộng hình chữ nhật có chu vi là 480m, chiều dài hơn chiều rộng là 4dam. Tìm diện tích hình...
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