Start by finding out how many patients are females;
12000-4560= 7440
Using this information, find out the percent;
(7440/12000)×100%= 62% patients are females.
Hope I helped :)
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
I think 12. I'm not sure though. The way I came up with that answer is the tree diagram. I used the numbers 1, 2, 3, 4, . Then I did the tree diagram method.
Answer:
c 70
Step-by-step explanation:
supplementary means they equal 180
180 - 110 = 70