Mathematics, 14.07.2019 08:00 jc06gomez
What is the solution of the matrix equation
Answers: 2
![\left[\begin{array}{ccc}1&1\\2&3\end{array}\right]\ \left[\begin{array}{ccc}x\\y\end{array}\right] =\left[\begin{array}{ccc}8\\36\end{array}\right]\\ \left[\begin{array}{ccc}1x+1y\\2x+3y\end{array}\right] =\left[\begin{array}{ccc}8\\36\end{array}\right]\to\left\{\begin{array}{ccc}x+y=8&|\cdot(-2)\\2x+3y=36\end{array}\right\\\\\underline{+\left\{\begin{array}{ccc}-2x-2y=-16\\2x+3y=36\end{array}\right}\ |\text{add both sides of equations}\\.\ \ \ \ \ \ \ \ \ \ y=20](/tpl/images/0087/9189/ae753.png)
Other questions on the subject: Mathematics
Mathematics, 21.06.2019 17:10, naimareiad
Which of the following expressions is equal to 2x^2+8
Answers: 1
Mathematics, 21.06.2019 19:50, dalejacksoniip5yf4y
Which of the following describes the graph of y--4x-36 compared to the parent square root function? stretched by a factor of 2, reflected over the x-axis, and translated 9 units right stretched by a factor of 2, reflected over the x-axis, and translated 9 units left stretched by a factor of 2, reflected over the y-axis, and translated 9 units right stretched by a factor of 2, reflected over the y-axis, and translated 9 units left save and exit next submit
Answers: 1
Mathematics, 21.06.2019 20:30, aceccardi03
Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.
Answers: 3
You know the right answer?
What is the solution of the matrix equation...
Questions in other subjects:
Mathematics, 11.12.2020 02:00
Mathematics, 11.12.2020 02:00
English, 11.12.2020 02:00
Mathematics, 11.12.2020 02:00
Biology, 11.12.2020 02:00
Mathematics, 11.12.2020 02:00
Biology, 11.12.2020 02:00
