Answer: The second matrix
If we want to write a proper matrix to represent the given system of equations, we have to arrange it in order:



After this, we can write the matrix with the coefficients of each equation:
![\left[\begin{array}{ccc|c}1&1&1&180\\2&-1&0&0\\4&0&-1&-5\end{array}\right]](https://tex.z-dn.net/?f=%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7Cc%7D1%261%261%26180%5C%5C2%26-1%260%260%5C%5C4%260%26-1%26-5%5Cend%7Barray%7D%5Cright%5D)
Being this, the matrix that represents the measure of each angle in Ming's triangle
Answer:
The answer is A.
Step-by-step explanation:
The size of the lawn is not dependent how much water is used, however the amount of water used is dependent on the size of the lawn (be it larger or smaller).
315 dollars. u basically just multiply 10.50 with 30 hours s
Answer:
54%
Step-by-step explanation:
Divide 4943/9014 and multiply by 100 to find percentages.