Mathematics, 14.07.2019 00:20 ghernadez
Donna purchased a prepaid phone card for $25. long distance calls cost 18 cents a minute using this card. donna used her card only once to make a long distance call. if the remaining credit on her card is $20.14, how many minutes did her call last?
Answers: 2
Mathematics, 21.06.2019 15:00, camila9022
Can someone answer it, and plot it, for 20 points and brainliest answer? p. s. they're the same ! : )
Answers: 1
Mathematics, 21.06.2019 17:00, logangiggles02
This figure consists of a rectangle and semicircle. what is the perimeter of this figure use 3.14 for pi 60.84m 72.84m 79.68m 98.52m
Answers: 2
Mathematics, 21.06.2019 22:30, 24lfoster
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
Donna purchased a prepaid phone card for $25. long distance calls cost 18 cents a minute using this...