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Mathematics, 21.06.2019 16:40
The sum of two numbers is 86, and their difference is 20. find the two numbers
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Mathematics, 21.06.2019 19:30
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.
Answers: 1
Mathematics, 21.06.2019 22:30
Solve: 25 points find the fifth term of an increasing geometric progression if the first term is equal to 7โ3 โ5 and each term (starting with the second) is equal to the difference of the term following it and the term preceding it.
Answers: 1
Chemistry, 29.09.2020 03:01
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