Answer:
72x^2-96x+37
Step-by-step explanation:
Answer:
he earned $29,135.04
Step-by-step explanation:
to get answer you multiply total sales by .03
Answer:
Step-by-step explanation:
Solving for the Solution Set:
Answer:
d. (3, 7, -3)
Step-by-step explanation:
The reduced row-echelon form of the augmented matrix has 1s on the diagonal and zeros off-diagonal, except for the answer in the last column. It can be convenient to start by writing the augmented matrix using the second equation first:
The method may not be strictly according to some algorithm, but it avoids fractions and gives the correct result: (x, y, z) = (3, 7, -3).