Mathematics, 29.07.2020 14:01 Yuii
Yesterday at 1:00 P. M., Maria’s train was 42 miles north of Gull’s Beach, traveling north at an average speed of 90 mph. At the same time on the adjacent track, Elena’s train was 6 miles north of Gull’s Beach, traveling north at an average speed of 101 mph. To the nearest hundredth of an hour, after how much time will the trains meet up? 0.23 hours 0.31 hours 3.27 hours 4.36 hours
Answers: 3
Mathematics, 21.06.2019 16:00
Svetlana's hair is 4 4 centimeters ( cm cm) long. her hair grows 1 . 5 cm 1.5cm per month. svetlana wants her hair to be less than 1 6 cm 16cm long. write an inequality to determine the number of months, m m, svetlana can allow her hair to grow so that it is less than 1 6 cm 16cm long.
Answers: 3
Mathematics, 21.06.2019 20:30
Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x
Answers: 2
Mathematics, 21.06.2019 22:30
Ascientist places 24 cells in a petri dish. she knows the cells grow at an exponential rate, doubling in number every hour. how long will it take (in hours) for there to be 1100 cells in the dish? time to 1100 cells: 5.51832530 hours how long will it take to reach 110 cells? time to 110 cells : 2.1963972 hours what is the average rate of change in the number of cells between 9 hours and 11 hours? average rate of change: cells per hour what is the instantaneous rate of change after 7 hours? instantaneous rate of change: cells per hour note: you can earn partial credit on this problem.
Answers: 1
Yesterday at 1:00 P. M., Maria’s train was 42 miles north of Gull’s Beach, traveling north at an ave...
Mathematics, 16.12.2019 21:31
Mathematics, 16.12.2019 21:31
History, 16.12.2019 21:31
Mathematics, 16.12.2019 21:31
History, 16.12.2019 21:31
Mathematics, 16.12.2019 21:31
Mathematics, 16.12.2019 21:31
Mathematics, 16.12.2019 21:31
History, 16.12.2019 21:31
Mathematics, 16.12.2019 21:31
History, 16.12.2019 21:31