Substitution method
4x + y = 14
6x - 3y = 3...
Answers: 2
Mathematics, 21.06.2019 12:30
Last saturday, the museum box office sold 281 tickets for a total of $3,954. adults ticket cost $15, and students ticket cost $12. how many of each kind of tickets were sold?
Answers: 1
Mathematics, 21.06.2019 18:00
!! 10 ! a westbound jet leaves central airport traveling 635 miles per hour. at the same time, an eastbound plane departs at 325 miles per hour. in how many hours will the planes be 1900 miles apart?
Answers: 1
Mathematics, 21.06.2019 18:20
Find the solution of this system of equation -7x+y=-20 9x-3y=36
Answers: 1
Mathematics, 21.06.2019 19:20
Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.
Answers: 3
Mathematics, 18.03.2021 02:00
Mathematics, 18.03.2021 02:00
Mathematics, 18.03.2021 02:00
Chemistry, 18.03.2021 02:00
Mathematics, 18.03.2021 02:00
Biology, 18.03.2021 02:00
Mathematics, 18.03.2021 02:00
Health, 18.03.2021 02:00
Mathematics, 18.03.2021 02:00
Chemistry, 18.03.2021 02:00
English, 18.03.2021 02:00
Mathematics, 18.03.2021 02:00
History, 18.03.2021 02:00
English, 18.03.2021 02:00
Biology, 18.03.2021 02:00