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Mathematics, 21.06.2019 17:00
Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.
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Mathematics, 21.06.2019 22:00
Simplify (4x^2 - 8xy + 2y^2) - (9x^2 - 4xy - 7y^2) a. -5x^2 + 4xy + 9y^2 b. -5x^2 - 4xy + 9y^2 c. -5x^2 + 12xy + 4y^2 d. -5x^2 - 4xy - 5y^2
Answers: 1
Mathematics, 22.06.2019 01:30
Write 37/22 as a decimal rounded to the nearest hundredth.
Answers: 2
4x^2 - 20x + 4y^2 = -21 write in standard form...
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