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Mathematics, 21.06.2019 20:00
Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. 4x^2 + 20x + 25 = 0
Answers: 2
Mathematics, 21.06.2019 20:20
Select the correct answer. what is the exact value of sin (157.5°)? a. 'sqrt(2 - sqrt(2))/2 b. *"-"'sqrt(2 + sqrt(2))/29 c.'sqrt(2 + sqrt(2))/4" d. "-"sqrt(2 + sqrt(2))/4)
Answers: 3
Mathematics, 21.06.2019 21:30
Three people are traveling and need to exchange the currency of their native country for the currency of the country they are visiting. drag each exchange to the category that shows the ratio of currencies in that exchange.
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Mathematics, 21.06.2019 22:00
The sum of the speeds of two trains is 720.2 mph. if the speed of the first train is 7.8 mph faster than the second train, find the speeds of each.
Answers: 1
Mathematics, 05.03.2021 06:20
Mathematics, 05.03.2021 06:20
Chemistry, 05.03.2021 06:20
History, 05.03.2021 06:20
History, 05.03.2021 06:20
Chemistry, 05.03.2021 06:20
Mathematics, 05.03.2021 06:20
Mathematics, 05.03.2021 06:20
History, 05.03.2021 06:20
Chemistry, 05.03.2021 06:20