The matrix given is
To find determinant
we do
So, the determinant of the given matrix is
Answer:
You could use one quarter and two dimes... that will equal $0.45
(I'm not sure what you are asking for)
The answer is D because you just multiply the percent times 40 to get 12.
Well, since you have two variables in one equation, you would have to have at least one other equation to solve this problem. Their isn't enough information to solve this alone, sorry :/
F is a function. When doing an equation, you don't have to do anything with F(It is not a number). X is the unknown variable (it is a number). The function (F) of the unknown variable (X) equals 7