Mathematics, 20.09.2020 15:01 tbaanga1
Write the coefficient matrix and the augmented matrix of the given system of linear equations.
7x_1 + 6x_2 = 6
2x_1 - 8x_2 = 4
What is the coefficient matrix?
Answers: 2
![\vec A = \left[\begin{array}{ccc}7&6\\2&-8\end{array}\right]](/tpl/images/0771/6236/55c30.png)
.![\left(\vec A|\vec B\right) = \left[\begin{array}{ccc}7&6&6\\2&-8&4\end{array}\right]](/tpl/images/0771/6236/b5c9c.png)
.
linear equations with 
- Coefficient matrix, a 
matrix.
- Variable matrix, a 
matrix.
- Equivalence matrix, a ![\left[\begin{array}{ccc}7&6\\2&-8\end{array}\right]\left[\begin{array}{ccc}x_{1}\\x_{2}\end{array}\right] = \left[\begin{array}{ccc}6\\4\end{array}\right]](/tpl/images/0771/6236/983c6.png)
Another question on Mathematics
Mathematics, 21.06.2019 13:10
What can be said about the relationship between triangles and circles? check all that apply. a) many circles can be inscribed in a given triangle b) exactly one triangle can be inscribed in a given circle c) exactly one circle can be inscribed in a given triangle d) many triangular shapes can be circumscribed about a given circle
Answers: 1
Mathematics, 21.06.2019 17:20
Two language majors, anna and megan, took exams in two languages. anna scored 85 on both exams. megan scored 74 on the first exam and 85 on the second exam. overall, student scores on the first exam had a mean of 82 and a standard deviation of 4, and the second exam scores had a mean of 71 and a standard deviation of 13. a) to qualify for language honors, a major must maintain at least an 85 average across all language courses taken. so far, which of anna and megan qualify? b) which student's overall performance was better?
Answers: 2
Mathematics, 21.06.2019 21:20
Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c
Answers: 3
Mathematics, 21.06.2019 23:00
Apackage of orgainc strwberries costs $1.50 while there in season and $2.25 when not in season what the percent increase
Answers: 1
You know the right answer?
Write the coefficient matrix and the augmented matrix of the given system of linear equations.
7x_1...
Questions
Mathematics, 22.09.2020 19:01
Mathematics, 22.09.2020 19:01
English, 22.09.2020 19:01
Biology, 22.09.2020 19:01
