5 Answered Questions for the topic Row Echelon

12/19/17

#### Use the simplex method to solve the following

A baker has 10 cups of flour, 12 cups of sugar, and 24 eggs. A loaf of raisin bread requires a cup of flour,2 cups of sugar, and 4 eggs, while a raisin cake requires a cup of flour, a cup of sugar... more
Row Echelon

05/02/16

#### Write an appropriate system of equations to solve the following problem.

Suppose you receive a total of \$1520 a year in interest from three investments. The interest rates for the three investments are 5%, 7%, and 8%. The 5% investment is half of the 75 investment, and... more

#### Write an augmented matrix for the system. Use row operations to put it in row ecjelon form. Find y then back substitute to find x.

2x+10y=-12 -3x+y=34I have the matrix and what to multiply it by except the last one. I'm really lost. Please help and show work.  2   10     -12     *1/2-3   1      34   1    5     -6    *3 -3... more

#### Write an augmented matrix for the system. Use row operations to put it in row ecjelon form. Find y then back substitute to find x.

x+3y=-18 3x-y=16 I have the matrix but i'm lost on the rest of it. Please show work.   1  3  -18 3 -1   16
Row Echelon Algebra Linear Matrix

09/11/14

#### Solve the system by finding the reduced row-echelon form of the augmented matrix.

Solve the system by finding the reduced row-echelon form of the augmented matrix.x+2y-4z=-4 -x-y+3z=2 x+3y-5z=-6 How many solutions are there to this system?

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