You have $15 to spend on school supplies. after buying 3 erasers, you have $10.50 left. how much did each eraser co
1 answer:
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Answer:
(x, y, z) = (-4, 2, 1)
Step-by-step explanation:
See the attachment for the output of a calculator that produces the reduced row-echelon form of the matrix.
The [x, y, z] result vector is the column on the right.
(x, y, z) = (-4, 2, 1)
_____
Numerous web sites are available for computing the row-reduced form of the matrix, or for solving the system of equations. Your graphing calculator will do it as well.
-100 is rational.
-100 can be turned into a fraction by doing the following...
Just put 1 underneath -100 and you get
So that means it is rational since it can be a fraction!