math,help

also can somone explain to me these types of problems.

directions are introduce slacks variables as necessary, then write the intial simplex tableau for each linear programming problem.

find x1 >= 0 and x2 >= 0 such that
x1+x2<=10
5x1+3x2<=75
and z=4x1+2x2 is maximized.

1. 👍 0
2. 👎 0
3. 👁 106
1. 1 2 3 115
2 1 1 200
1 0 1 50
1 1 4 0 is the first augmentation

1 2 1 1
2 1 0 1
3 1 1 4
115 200 50 0 is the second augmentation.

z = -w = -y1-y2-4y3
y1+2y2+3y3 >= 115
2y1 +y2+ y3 <= 200
y1 + y3 >=50

y1 y2 y3 s1 s2 s3 z
1 2 3 1 0 0 0 115
2 1 1 0 -1 0 0 200
1 0 1 0 0 1 0 50
-1 -1 -4 0 0 0 1 0 is the last augmentation and that is as far as I can get

1. 👍 0
2. 👎 0
posted by Tiffany
2. 2x1+5x1/10+5x1/100 in decimal number

1. 👍 0
2. 👎 0

Similar Questions

1. math,algebra II

I have to work with these types of problems dealing with matrises can someone show me how to solve them.Heres one of them: Directions: Find the values of the variables in each equation in the first matrix it looks like this a+2

asked by jas on June 6, 2007
2. Mathematics

A company purchased 10,000 pairs of men’s slacks for 19.26 per pair and marked them up \$22.73. What was the selling price of each pair of slacks? Use the formula S=C+M

asked by Amy on September 8, 2013
3. math,correction

Is this correct or no. I need help in a couple of problems can someone explain them to me. Problem#1 directions: Factor each expression a^2(b-c)-16b^2(b-c) My answer is: (b-c)(a-4b)(a+4b) PROBLEM#2 dIRECTIONS: Find a value for k

asked by jas20 on February 24, 2007

What types of problems can be solved using the greatest common factor? What types of problems can be solved using the least common multiple? Complete the explanation. *** Use the words 'same' and 'different' to complete the

asked by Sam on September 11, 2014
5. Math

CAN SOMEONE CHECK MY ANSWERS PLEASE? What types of problems can be solved using the greatest common factor? What types of problems can be solved using the least common multiple? Complete the explanation. *** Use the words 'same'

asked by Sam on September 11, 2014
6. math

I'm working on some review problems in Math and having trouble on the critical thinking one. The question says is it possible for 2 numbers to have the same LCM and GCF? Explain. I'm not sure where to begin on this. I know how to

asked by Brandi on August 10, 2012
7. stats

explain and give example for each of the following types of variables: (a) equal-interval, (b) rank-over, and (c) nominal

asked by lucy on September 2, 2013
8. math,algebra

How do you solve these types of math problems. Directions: Solve each literal equation for the indicated variable. A=1/2h(B+b) (For b) Area of a trapezoid It is just a matter of algebraic manipulation. A=(1/2)h(B+b) Multiply both

asked by jasmine20 on December 18, 2006
9. Chemistry

Can somebody explain how to do this? I am stuck. I've tried solving for H+ concentration. I got .00024M and subtracted it from [OH-]. Then I solved for pOH and used that to get pH but still got the wrong answer. Somone plz explain

asked by John on May 2, 2010
10. Algebra 2

Solving systems of linear equations in three variables. Ok so i don't really totally get these problems. Can you help me solve this one? and explain everything please? 2x+3y=6+z x-2y=-1-z 3x+y=-1+3z

asked by MaKenzie Smith on November 13, 2010

More Similar Questions