X=5-9y
4x + 9y = -7
using substitution method...
Answers: 3
Another question on Mathematics
Mathematics, 21.06.2019 22:00
Fatima plans to spend at least $15 and at most $20 dollars on sketch pads and pencils. if she buys 2 sketchpads, how many pemcils can she buy while staying in her price range? fatima can buy between and pencils. ? (type whole numbers. use ascending? order.)
Answers: 1
Mathematics, 21.06.2019 23:20
Suppose a laboratory has a 30 g sample of polonium-210. the half-life of polonium-210 is about 138 days how many half-lives of polonium-210 occur in 1104 days? how much polonium is in the sample 1104 days later? 9; 0.06 g 8; 0.12 g 8; 2,070 g
Answers: 1
Mathematics, 22.06.2019 00:20
Traffic on saturday, it took ms. torres 24 minutes to drive 20 miles from her home to her office. during friday's rush hour, it took 75 minutes to drive the same distance. a. what was ms. torres's average speed in miles per hour on saturday? b. what was her average speed in miles per hour on friday?
Answers: 1
You know the right answer?
Questions
Mathematics, 07.12.2020 22:30
History, 07.12.2020 22:30
Mathematics, 07.12.2020 22:30
Social Studies, 07.12.2020 22:30
History, 07.12.2020 22:30
Mathematics, 07.12.2020 22:30
English, 07.12.2020 22:30
English, 07.12.2020 22:30
Mathematics, 07.12.2020 22:30
Mathematics, 07.12.2020 22:30
History, 07.12.2020 22:30
