Mathematics, 06.10.2019 13:00, ayoismeisalex
Which expression gives the y-coordinate of the solution of the system? 3915518_eqn011.gif
Answers: 1
![D =\left[\begin{array}{ccc}a&b&c\\d&e&f\\g&h&i\end{array}\right]](/tpl/images/0293/6832/e0a44.png)
![D_{y} =\left[\begin{array}{ccc}a&j&c\\d&k&f\\g&l&i\end{array}\right]](/tpl/images/0293/6832/8bc64.png)
![D=\left[\begin{array}{ccc}1&2&-2\\3&-1&1\\1&0&1\end{array}\right] \\D=1(-1-0)-2(3-1)-2(0+1)\\D=-1-4-2\\ D=-7](/tpl/images/0293/6832/e3423.png)
![D_y=\left[\begin{array}{ccc}1&3&-2\\3&16&1\\1&7&1\end{array}\right] \\ D_y=1(16-7)-3(3-1)-2(21-16)\\ D_y=9-6-10 \\D_y=-7](/tpl/images/0293/6832/a02cc.png)
![OptionD=\frac{\left[\begin{array}{ccc}1&3&-2\\3&16&1\\1&7&1\end{array}\right] }{-7}](/tpl/images/0293/6832/2f561.png)
Other questions on the subject: Mathematics
Mathematics, 21.06.2019 19:30, priscilaannmendez
We just started the introduction into circles and i have no idea how to do this.
Answers: 3
Mathematics, 21.06.2019 21:30, peytonamandac9114
Ahypothesis is: a the average squared deviations about the mean of a distribution of values b) an empirically testable statement that is an unproven supposition developed in order to explain phenomena a statement that asserts the status quo; that is, any change from what has been c) thought to be true is due to random sampling order da statement that is the opposite of the null hypothesis e) the error made by rejecting the null hypothesis when it is true
Answers: 2
Do you know the correct answer?
Which expression gives the y-coordinate of the solution of the system? 3915518_eqn011.gif...
Questions in other subjects:
Business, 23.02.2021 03:00
Mathematics, 23.02.2021 03:00
History, 23.02.2021 03:00
Social Studies, 23.02.2021 03:00
Health, 23.02.2021 03:00
Mathematics, 23.02.2021 03:00
Arts, 23.02.2021 03:00
Mathematics, 23.02.2021 03:00
Mathematics, 23.02.2021 03:00
