Giải hệ phương trình sau bằng phương pháp gauss
2x1-3x2-2x3=2
3x1-2x2+3x3-x4=0
X1+x2+6x...
Mathematics, 16.06.2021 08:00 mdaniella522
Giải hệ phương trình sau bằng phương pháp gauss
2x1-3x2-2x3=2
3x1-2x2+3x3-x4=0
X1+x2+6x3-x4=-1
-3x1+7x2+6x3+x4=9
Answers: 2
Mathematics, 20.06.2019 18:04, mawawakaiii
Point $(x, y)$ is randomly picked from the rectangular region with vertices at $(0,,,2010),$ and $(0,2010)$. what is the probability that $x > 7y$? express your answer as a common fraction.
Answers: 1
Mathematics, 21.06.2019 17:00, 2021CanadyRaniya
The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left
Answers: 1
Mathematics, 21.06.2019 18:30, JvGaming2001
School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?
Answers: 2
Mathematics, 21.06.2019 18:30, hsjsjsjdjjd
Iam a rectangle. my perimeter is 60 feet. how much are do i cover?
Answers: 1
World Languages, 29.10.2020 16:00
Mathematics, 29.10.2020 16:00
Advanced Placement (AP), 29.10.2020 16:00