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:
81/42
Step-by-step explanation:
8 1/10 ÷ 4 1/5
81/10 ÷ 21/5
81/10 * 5/21
(81*5)/(10*21)
405/210
81/42
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D. No x value has more than one y value so it's a function.
Answer:
Step-by-step explanation:
There would be 4 + 4 + 4 = 12 angles formed by a transverse intersecting three parallel lines
