Ask
your own question, for FREE!
Mathematics
7 Online
OpenStudy (anonymous):
Matrix things... Please help with Cramers rule. Use cramers rule to solve... 4x+3y=4 -3x-y=7
Still Need Help?
Join the QuestionCove community and study together with friends!
OpenStudy (dan815):
Do you know what cramers rule is
OpenStudy (anonymous):
All I really know is that I'm supposed to set up the equation as... 4 3 | 4 -3 0| 7
OpenStudy (dan815):
yep, now* you have to find determinant stuff
OpenStudy (anonymous):
How do I do that?
OpenStudy (dan815):
okay ill just tell you the formula for now, and if u want we can go over why this works later
Still Need Help?
Join the QuestionCove community and study together with friends!
OpenStudy (dan815):
First you need to find 3 determinants D , D_x and D_y
OpenStudy (dan815):
|dw:1431641368061:dw|
Can't find your answer?
Make a FREE account and ask your own questions, OR help others and earn volunteer hours!
Join our real-time social learning platform and learn together with your friends!
Join our real-time social learning platform and learn together with your friends!
Latest Questions
VERNEISH:
Two objects are moving along separate linear paths where each path is described by position, d, and time, t.
Maci:
what are the best stock apps for people who want to start investing?
Twaylor:
genuienly how do i get better self control i keep watcing youtube and theres this
IzzyCookie:
|dw:1792074056138:dw| Uhm, I don't know where to ask this, but I'm in college welding at my community college, and I need help learning vertical welding for
thehearken:
not sure if this is considered spam, im sorry if it is, but does anyone have tips
VERNEISH:
Two objects are moving along separate linear paths where each path is described by position, d, and time, t.
20 hours ago
1 Reply
0 Medals
Maci:
what are the best stock apps for people who want to start investing?
5 days ago
3 Replies
2 Medals
Twaylor:
genuienly how do i get better self control i keep watcing youtube and theres this
1 week ago
3 Replies
0 Medals
IzzyCookie:
|dw:1792074056138:dw| Uhm, I don't know where to ask this, but I'm in college welding at my community college, and I need help learning vertical welding for
3 days ago
9 Replies
1 Medal
thehearken:
not sure if this is considered spam, im sorry if it is, but does anyone have tips
1 week ago
2 Replies
1 Medal