Mathematics, 18.02.2021 07:20 Dweath50
A plane traveled 1290 miles with the wind (downwind) for 3 hours. Then it traveled 1576 miles against the wind (upwind) for 4 hours. Find the speed of the plane in still air and the speed of the wind.
Answers: 2
Mathematics, 21.06.2019 15:00
Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?
Answers: 1
Mathematics, 21.06.2019 15:40
What is the first quartile of the data set? 10, 11, 12, 15, 17, 19, 22, 24, 29, 33, 38 a. 12 b. 19 c. 29 d. 10
Answers: 1
Mathematics, 21.06.2019 19:30
Factor the polynomial 4x4 β 20x2 β 3x2 + 15 by grouping. what is the resulting expression? (4x2 + 3)(x2 β 5) (4x2 β 3)(x2 β 5) (4x2 β 5)(x2 + 3) (4x2 + 5)(x2 β 3)
Answers: 1
Mathematics, 21.06.2019 20:30
Three numbers x, y, and z are in the ratio 2: 7: 8. if 12 is subtracted from y, then three numbers form a geometric sequence (in the order x, yβ12, z). find x, y, and z. there are 2 sets.
Answers: 1
A plane traveled 1290 miles with the wind (downwind) for 3 hours. Then it traveled 1576 miles agains...
Biology, 21.07.2019 17:30
Health, 21.07.2019 17:30
Arts, 21.07.2019 17:30
Mathematics, 21.07.2019 17:30
History, 21.07.2019 17:30
Biology, 21.07.2019 17:30
Biology, 21.07.2019 17:30