Mathematics, 31.07.2019 01:00 mistytownsend1952
Solve the following system of equations by linear combination: 3d – e = 7 d + e = 5 the solution is (3, 2). the solution is (2, –1). there is no solution. there are an infinite number of solutions.
Answers: 1
Mathematics, 21.06.2019 21:00
Solve this problem! extra ! 3025/5.5 = a/90.75 / = fraction
Answers: 3
Mathematics, 21.06.2019 21:30
He ! a group of farmers planned to clean 80 acres of wheat per day to finish the work on schedule. right before the work started, they received a new piece of machinery that them clean 10 more acres per day than originally planned. as a result of increased productivity in the last day before the deadline they only had to clean 30 acres. how many acres of wheat did the group of farmers have to clean?
Answers: 1
Mathematics, 21.06.2019 21:30
Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.
Answers: 2
Solve the following system of equations by linear combination: 3d – e = 7 d + e = 5 the solution...
Business, 11.02.2021 19:10
Mathematics, 11.02.2021 19:10
Business, 11.02.2021 19:10
Mathematics, 11.02.2021 19:10
History, 11.02.2021 19:10
Mathematics, 11.02.2021 19:10
Mathematics, 11.02.2021 19:10
Biology, 11.02.2021 19:10
Mathematics, 11.02.2021 19:10
Mathematics, 11.02.2021 19:10