When put in matrix form, the coefficients of
... 3x -2y = 7
... x + 4y = 2
look like
The determinant is 3×4 - 1×(-2) = 14.
The Woodward family went to dinner. The cost of the dinner was $60.00. They wanted to leave a 15% tip. How much did they leave f
1 answer:
You might be interested in