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Mathematics, 21.06.2019 18:00
Ammonia molecules have three hydrogen atoms and one nitrogen atom.how many of each atom arein five molecules of ammonia
Answers: 1
Mathematics, 21.06.2019 21:30
The price of a dozen eggs was $1.63. suppose the price increases m dollars per dozen and then the price decreases $0.12 per dozen. which expression represents the current price of eggs after the two price changes?
Answers: 1
Mathematics, 21.06.2019 22:00
White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.
Answers: 2
Mathematics, 15.12.2020 18:20
English, 15.12.2020 18:20
English, 15.12.2020 18:20
Mathematics, 15.12.2020 18:20
Mathematics, 15.12.2020 18:20
English, 15.12.2020 18:20
English, 15.12.2020 18:20
English, 15.12.2020 18:20
Mathematics, 15.12.2020 18:20
Mathematics, 15.12.2020 18:20