Thursday

October 30, 2014

October 30, 2014

Number of results: 97,551

**Simplex Method**

Solve the linear programming problem by the simplex method. Maximize P = 27x + 27y + 36z subject to x + y + 3z < 15 4x + 4y + 3z < 65 x > 0, y > 0, z > 0 x + y = z = P =
*April 24, 2011 by Leah*

**Simplex Method**

Solve the linear programming problem by the simplex method. Maximize P = 10x + 6y subject to x + y < 80 3x < 90 x > 0, y > 0 x = y = P =
*April 24, 2011 by Leah*

**simplex Method**

Solve the linear programming problem by the simplex method. Maximize P = 5x + 4y subject to 3x + 5y < 78 4x + y < 36 x > 0, y > 0 x = y = P =
*April 24, 2011 by Leah*

**calculus/finite**

I am taking an online finite math class, so I dont have an instuctor to sit down with me and help me. The text book is so hard to follow. One of the problems I have having a hard time with gives an initial tableau and asks us to use the simplex method to solve each ...
*December 6, 2009 by Amanda*

**Finite Math - Simplex Method**

I think I have a good understanding of how to set up the problems but and solve them but I am not constant yet with getting the correct answer. Is there a way to check the answer? I am doing an online math class and it would be nice if I could check before I commit. Thanks
*June 24, 2012 by Robson*

**Finte Math - Simplex Method**

Just a few questions to make sure I am understanding the simplex method. First you set up matrice, then you find the column with the largest negative number in bottom row. That is the column you will pivot. So then how do you determine which row is the pivot point? My example ...
*June 21, 2012 by Robson*

**math,finite mathematics**

this is what i have so far for the following problem but i don't know what to do next: Use the simplex method to solve the linear programming problem minimize W = 4 y1 + 2y2 subject to: 3y1+2y2>=60 4y1+y2>=40 y1>=0,y2>=0 so this is how i started it: i did it in the...
*June 17, 2007 by student*

**Finite Math**

I keep trying to set up this problem to solve it using the Simplex Method, but I can't seem to get the tableau set up correctly. If anyone could help, I would appreciate it: A baker has 150 units of flour, 90 of sugar, and 150 of raisins. A loaf of raisin bread requires 1 unit...
*December 9, 2010 by Christina*

**Finite Math**

Discuss the differences between the echelon method and the gauss-jordan method for solving matrix problems? What are the pros and cons of using a calculator or computer to do these calculations?
*December 13, 2009 by Jennifer*

**Operating research**

Use simplex method to solve Maximize p = 30x + 20y+30z subject to x + y+z <= 9 4x + 2y-2z <= 30 5x + 10y+3z <= 60 x, y, z >=0
*June 17, 2011 by Terry*

**operation research 1**

Use simplex method to solve Maximize p = 30x + 20y+30z subject to x + y+z <= 9 4x + 2y-2z <= 30 5x + 10y+3z <= 60 x, y, z >=0
*June 17, 2011 by mashoo*

**math,help**

this is from another section one of the problems can someone help me. dierections: use the simplex method to solve each linear programming problem. maximize z = 12x1 +15x2 +5x3 subject to: 2x1+2x2+x3 <= 8 x1+4x2+3x3<=12 with x>=0,x2>=0,x3>0
*June 13, 2007 by jas*

**Business Math**

Using the simplex method, solve the following linear programming problem: Maximize: P= 5x+2y Subject to: 4x+3y < or equal to 30 2x-3y < or equal to 6 x > or equal to 0, y > or equal to 0.
*December 9, 2012 by Colleen *

**Math**

Maximize P= 8x1+12x2 Subject to 2x1+4x2<=24 3x1+3x2<=21 4x1+2x2<=20 X1, x2 => 0 Using the SIMPLEX method. Clearly state the row operations used. For each tableau used, complete the leftmost column by providing the appropriate basic variables.
*May 7, 2013 by SHelley*

**finite math**

A company installs different POS computer systems. POS system A requires two hours to configure and one hour for assemble. POS B requires three hours to configure and one hour to assemble. POS C requires two hours to configure and two hours to assemble. The company has up to ...
*September 22, 2012 by cheryl*

**math**

If A is a finite set and B is a proper subset of A, prove that |B| < |A|. Hint: B is finite. What is the union of the disjoint sets B and A - B? Note: |A| = size of A
*April 10, 2007 by sara*

**Math**

Use the simplex method to find the maximum value of P = 3x + 3y subject to these constraints: 3x + 2y ≤ 360 x - y ≤ 60 y ≤ 120 x ≥ 0, y ≥ 0 What is the maximum value of P? What is the corner point which maximizes the profit? x = ? y = ?
*September 20, 2010 by John*

**finite mathmatics**

elimination method 5x + 6y = -75x - 3y = 146
*December 11, 2010 by Luke*

**Math**

Solve this linear programming problem using the simplex method: Maximize P = 21x + 12y + 24z subject to these constraints: 3x + 2y + 3z ≤ 864 15x + 6z ≤ 1296 9x + 8y + 18z ≤ 4608 x ≥ 0, y ≥ 0, z ≥ 0 Maximum value for P = ?. This value of P ...
*September 20, 2010 by John*

**finite math**

when doing minimization problems and there is more than one negative constant in the far right column is there a method for choosing the proper one to go with or is the process entirely arbitraru
*March 4, 2007 by chris*

**PSYCHOLOGY**

provide a situation when scientific method, case study method, survey method, Naturalistic observation method, Correlation method, and Experimental method could be applied
*November 20, 2009 by scooby*

**Math**

An appliance store sells three brands of TV sets, brands A, B, and C. The profit per set is $30 for brand A, $50 for brand B, and $60 for brand C. The total warehouse space allotted to all brands is sufficient for 600 sets, and the inventory is delivered only once per month. ...
*October 25, 2006 by Dolores*

**psy210**

psy 210 CheckPoint: Research Methods Research Method Description Application Scientific method Case study method Survey method Naturalistic observation method Correlation method Experimental method
*February 21, 2010 by Anonymous*

**Psy**

Complate the following chart. The first column shows the name of a research method used in psychology.In the second column, write a brief description of that research method. In the column, provide a situation when this method could be applied. Scientific method, Case study ...
*January 25, 2011 by Nan*

**PSY 210**

Complete the following chart. The first column shows the name of a research method used in psychology. In the second column, write a brief description of that research method. In the third column, provide a situation when this method could be applied. Research Method ...
*November 17, 2008 by MIKE THOMPSON*

**math**

Prove that the union of two finite sets is finite. Hint: A U B = (A - B) U (B - A) U (A ∩ B) where U = union and ∩ = intersection
*April 10, 2007 by sara*

**PSYCHOLOGY answer included**

provide a situation when scientific method, case study method, survey method, Naturalistic observation method, Correlation method, and Experimental method could be applied would collecting DNA be for scientific mthod?
*November 20, 2009 by scooby*

**Algebra**

Solving system of linear equations by using the apropiate method name the method and the x,y coordinates 1)X=4y+8 2x-8y=-3 2)3x-7y=6 elimination method 2x+7y=4 (2,0) 3)5x-2y=12 elimination method 3x-2y=-2 (7,23/2) 4)9x-8y=42 elimination method 4x+8y=-16 (2,-3) 5)X=4y+8 ...
*December 1, 2008 by Chris*

**college finite math**

Cowling's Rule is a method for calculating pediatric drug dosages. If a denotes the adult dosage (in milligrams) and if t is the child's age (in years), then the child's dosage is given by D(t) = (t + 1/24)a (a) Show that D is a linear function of t. Hint: Think of D(t) as ...
*January 19, 2014 by Dee*

**college finite math**

Cowling's Rule is a method for calculating pediatric drug dosages. If a denotes the adult dosage (in milligrams) and if t is the child's age (in years), then the child's dosage is given by D(t) = (t + 1/24)a (a) Show that D is a linear function of t. Hint: Think of D(t) as ...
*January 19, 2014 by Dee*

**Math (polynomial functions)**

Hi there, Can someone please help me understand the relationship between the FINITE DIFFERENCE and leading coefficient in a polynomial? I need to be able to determine the leading coefficient from a finite difference.
*May 10, 2008 by Rumer*

**Dr.Bob**

Please explain your convaluted answer? There is a finite answer. If you care to not give the finite querys answer,Don't reply
*September 25, 2010 by kary*

**Calculus**

what is the second derivative of (x^3-6x)^11 that is fully simplex
*April 8, 2013 by Molly*

**math**

Resource allocation podunk institute of technologys math deaprtment offers two cources: finite math and applied calculus.each section of finite math has 60 studnets, and each section of applied calculus has 50. The department is allowed to offer a total of up to 110 sections...
*November 29, 2013 by Swayne*

**Biostatistic**

An enzymatic method for determining alcohol in wine is evaluated by comparison with a gas-chromatography (GC) method. the same sample is analyzed several times by both methods with the following results (% ethanol). Enzymatic method: 13.1, 12.7, 12.6, 13.3, 13.3. GC method: 13...
*December 20, 2012 by Jam*

**math**

Systems of equations can be solved by graphing or by using substitution or elimination. What are the pros and cons of each method? Which method do you like best? Why? What circumstances would cause you to use a different method?
*July 1, 2008 by yolanda*

**MATH**

SYSTEMS OF EQUATIONS CAN BE SOLVED BY GRAPHING OR BY USING SUBSTITUTION OR ELIMINATION. WHAT ARE THE PROS AND CONS OF EACH METHOD? WHICH METHOD DO YOU LIKE BEST? WHY? WHAT CIRCUMSTANCES WOULD CAUSE YOU TO USE A DIFFERENT METHOD?
*February 4, 2009 by Davisha*

**math**

SYSTEMS OF EQUATIONS CAN BE SOLVED BY GRAPHING OR BY USING SUBSTITUTION OR ELIMINATION. WHA ARE THE PROS AND CONS OF EACH METHOD? WHICH METHOD FO YOU LIKE BEST? WHY? WHAT CIRCUMSTANCES WOULD CAUSE YOU TO USE A DIFFERENT METHOD?
*February 4, 2009 by DAVISHA*

**accounting**

1) Straight-Line Method 2) Declining-Balance Method 3) Double-Declining-Balance Method 4) Sum-of-the-Year's digits Method What are the main characteristics of each method and in what situation would you use each of these methods?
*February 15, 2009 by China*

**accounting**

1) Straight-Line Method 2) Declining-Balance Method 3) Double-Declining-Balance Method 4) Sum-of-the-Year's digits Method What are the main characteristics of each method and in what situation would you use each of these methods?
*February 18, 2009 by China*

**math**

Urban Community College is planning to offer courses in Finite Math, Applied Calculus, and Computer Methods. Each section of Finite Math has 40 students and earns the college $40,000 in revenue. Each section of Applied Calculus has 40 students and earns the college $60,000, ...
*October 16, 2010 by liz*

**calculus**

what is the property that distinguishes finite sets from infinite sets (give examples of each to accompany explaination). finite sets are countable. Infinite sets are not. so what would be an example of an infinite set? one that never ends? yes. 1,2,3,4,... is an infinite set...
*March 27, 2007 by Anonymous*

**math , help**

can someone show me how to solve this: directions: pivot once as indicated in each simplex tableau. Read the solution from the result. the number that is highlighted is row 2 column 3 which is the 5 the matrix is a 4 X 8 under column one it reads as: x1/x2/x3/s1/s2/s3/z 4/2/3/...
*June 13, 2007 by jas*

**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 ...
*June 13, 2007 by jas*

**Science**

A repair shop tested two methods(a & B) of replacing a broken roller. In testing method A, these times in minutes were measured (5 trials), 2,4,9,3,2. In testing methods B, these times in minutes were measured (6 trials), 3,7,5,8,4,3. Use the 0.10 significance level, and ...
*December 19, 2011 by Debra *

**creative activities in other curriculum areas**

which one of the following methods is preferred for teaching songs from recordings to young children? a-the phrase-wise method b-the whole-song method c-the combination method d-the strong-melody method
*December 6, 2010 by nikki*

**math**

Multiply. Use the lattice method. 277*32= I hope your teacher does not teach this method as a viable method for multiplication. A week ago Yahoo presented this method as a novelty and as a "math trick". This website explains and shows diagrams for multiplying using the lattice...
*August 8, 2007 by Haytheline Thomas*

**business**

If creditors give you no credit for payments made during the billing period, this is called the: A. APR method. B. discount method. C. previous balance method. D. adjusted balance method. My choice is A, but Im a little confused.
*September 26, 2012 by clara*

**Finite Math**

Solve the system of linear equations, using the Gauss-Jordan elimination method. (If there is no solution, enter NO SOLUTION. If there are infinitely many solutions involving one parameter, enter the solution using t for the last variable. If the solution involves two ...
*September 11, 2011 by Dee*

**Math**

Four friends decide to buy a bag of 56 gold coins..Each person contribute the following Sue $320 John $300 Mike $220 Betty$ 160 Please determine the apportionment using a.Hamilton method b.Jefferson method C.Webster method
*April 24, 2011 by Mike...*

**Numerical method - numerical integration**

Evaluate the following integration: I(f) = integral sign from 0 to 20 of e^(-x) dx 1. Analytically 2. Rectangle method with h= 10,5,4,2,1. 3. Mid-point method with h= 10,5,4,2,1. 4. Trapezoidal method with h= 10,5,4,2,1. 5. Simpson's method with h= 10,5,4,2,1. 6. Using ...
*October 31, 2010 by Anonymous*

**Numerical method - numerical integration**

Evaluate the following integration: I(f) = integral sign from 0 to 20 of e^(-x) dx 1. Analytically 2. Rectangle method with h= 10,5,4,2,1. 3. Mid-point method with h= 10,5,4,2,1. 4. Trapezoidal method with h= 10,5,4,2,1. 5. Simpson's method with h= 10,5,4,2,1. 6. Using ...
*November 1, 2010 by Anonymous*

**physics :thinking check please**

I think that: psi= A sin kx; is a solution to Schrodinger's time independent eqn for a particle confined: a) within an infinite pot well, and b) within the walls of a finite well;but psi= B exp(-kx) would only be a solution for outside the walls of a finite well. Am I close? ...
*April 30, 2009 by charlie*

**Finite Math**

A {r,u,v,y} B {r,v,w,x} C {r,u,w,z} t and s are on the outsides. (a) (A B) Cc (b) (A B C)c
*May 7, 2011 by Dee*

**personal finances **

If creditors add finance charges after subtracting payments made during the billing period, this is called the: A. APR method. B. average daily balance method. C. previous balance method. D. adjusted balance method. its not A or D someone help me
*April 17, 2014 by tony*

**math**

I'm having trouble trying to identify which method is best to use for graphing when faced with an equation. Are there certain things that I need to look out for that would indicate if it were best to use the table of values, slope-intercept method, or the mx+b method?
*September 17, 2008 by sarah*

**PSYCHOLOGY answer included**

provide a situation when scientific method, case study method, survey method, Naturalistic observation method, Correlation method, and Experimental method could be applied scientific= collecting dna case study= Where the psychologist asks the patient of the back ground history...
*November 20, 2009 by scooby*

**finite math**

does 4/2x + 3 define y as a function of x?
*November 19, 2008 by dessy*

** finite math**

Maximize z= 5x + 5y Subject to 3x + 2y < 6 -x + 2y < 4 x,y >0
*April 7, 2012 by tinkle*

**Finite Math**

True or false. [A (B C)]c = (A B)c (A C)c
*August 3, 2013 by keith*

**math elimination method**

elimination method really confuses me. solve by elimination method 5r -3s = 17 3r + 5s =17 A. solution is ______ (ordered pair, integer or fraction) B. Infinitely many C. No Solution
*July 9, 2010 by Lorri*

**math**

What is a finite, infinite and an empty number?
*September 25, 2007 by Pat*

**finite math**

find the x and y-intercepts of the function y=x+32
*July 6, 2008 by freedom*

**finite math**

find the y-intercept of the function y=2x-8
*July 6, 2008 by freedom*

**finite math**

find the equation of the line 0.3,0.4 0.4,0.3 0.1,0.2 0.3,0.1
*March 5, 2009 by Princess*

**Finite Math**

Determine the 5th term of (2x+3y)^12
*May 6, 2012 by MV*

**finite math**

Suppose that E and F are two events P(E and F)=0.1 and P(E)=0.5. what is P(F/E)?
*June 17, 2014 by carol*

**finite math**

Suppose that E and F are two events P(E and F)=0.1 and P(E)=0.4 what is P(F/E)?
*June 17, 2014 by carol*

**Health**

Which of the following are skin lesions? A. Wheal, Vesicle, Papilloma B. Impetigo, Herpes simplex, Tinea C. Contusion, Laceration, Abrasion D. Melanoma, Squamous cell carcinoma
*March 14, 2011 by Brianne*

**Math**

SIMPLEX METHOD - Table: Nutrient Peanuts Raisins M&Ms Pretzels Calories 855 435 1024 162 Protein 34.57 4.67 9.01 3.87 Fat 72.50 0.67 43.95 1.49 Carbs 31.40 114.74 148.12 33.68 Suppose that you want to make at most 10 cups of trail mix, using all the ingredients. You want each ...
*June 4, 2011 by Jay*

**finite math**

find he inverse of matrix A and verify A= 1 -1 2 2 -3 -5 -1 3 5
*June 27, 2009 by crystal*

**Finite Math**

1. Find the inverse of the following matrix: [ 1 0 1 ] [ 2 -2 -1 ] [ 3 0 0 ]
*July 23, 2009 by Mike*

**Finite Math**

Solve the matrix equation AX =B for X using A=[2-3] [1 5] B=[4 ] [2 ]
*July 23, 2009 by Mike*

**Finite Math**

True or false. P (n, r) = r! C (n, r). explain why please, thanks
*August 3, 2013 by Keith*

**finite math**

Find the probability of P(E or F) if E and F are mutually exclusive P(E)=0.25 and P(F)=0.47
*June 17, 2014 by carol*

**Math**

Xander says that the place value sections method, the expanded notation method, and the algebraic notation method of multiplying a one-digit number by a two-digit number are pretty much the same. Do you agree or disagree? Explain.
*October 13, 2014 by Amari*

**3rd grade math**

In estimating- what is the counting-up method and the trade-first method?
*March 12, 2009 by Barbara*

**Math**

Find the LCM for the given numbers by an appropriate method. 24, 54, and 27 Show your method.
*October 4, 2009 by Anonymous*

**math**

What is the difference between Gauss Jordan method and the Echelon method
*July 22, 2010 by Holly*

**Math**

Is there a difference between solving a system of equations by the algebraic method and the graphical method? Why or why not?
*March 10, 2010 by Craig*

**Math-examples?**

Can anyone give an example of recursive method, explicit method using the variable n?
*December 20, 2013 by Helen*

**Math-examples?**

Can anyone give an example of recursive method, explicit method using the variable n?
*December 20, 2013 by Helen*

**Math**

The method used to calulate depreciation for federal tax purposes is the ? Is it the declining balance method
*November 9, 2008 by Debbie*

**Algebra**

I am trying to write the solutions that can be read from each simplex tableau. X1 x2 x3 s1 s2 s3 x |0 2 0 5 2 2 0|15| |0 3 1 0 1 2 0| 2| |7 4 0 0 3 5 0|35| |____________________________| |0 -4 0 0 4 3 2|40| How do I express the subscript numbers after X and the other numbers ...
*December 28, 2009 by mike*

**PLEEEEEEASE HELP, EMERGENCY!!!!!**

Here is a word problem dealing with The Simplex Method: Maximization, Minimization A dietitian is designing a daily diet that is to contain at least 60 units of protein, 40 units of carbs, and 120 units of fat. The diet is to consist of two types of foods. One serving of food ...
*October 25, 2006 by Dolores*

**math**

Elimination Method....I am not understanding this method either and need some help here is what I am working on: 1) x+8y=33 -x+4y=3 2) 5x+5y=-7 7x-2y=13 3) 0.3x-0.2y=4 0.5x+0.3y=-7/17 Can someone please help me with these!
*March 13, 2010 by Kristin*

**Algebra**

Systems of equations can be solved by graphing or by using substitution or elimination. What are the pros and cons of each method? Which method do you like best? Why? What circumstances would cause you to use a different method?
*March 4, 2008 by John*

**algebra**

o Systems of equations can be solved by graphing or by using substitution or elimination. What are the pros and cons of each method? Which method do you like best? Why? o What circumstances would cause you to use a different method?
*January 26, 2010 by lacey*

**math**

Solve by substitution method 9x+6y=21-9x+y=35 What is the solution of the method?
*June 16, 2009 by micheal*

**Math**

Estimate each quotient. Tell which method you used. Do I respond with by telling I used the method of rounding to solve? Ex. 195 divided by 4. Answer 200 divided 4 = 50. Method I used is rounding/estimating.
*August 23, 2012 by Micaya*

**math**

calculate the monthly finance charge for the credit card transaction. Assume that it takes 10 days for a payment to be received and recorded and that the month is 30 days long. ( round your answers to the nearest cent). $ 400 balance, 15%, $ 50 payment. A) previous balance ...
*March 2, 2013 by Andrew*

**math**

calculate the monthly finance charge for the credit card transaction. Assume that it takes 10 days for a payment to be received and recorded and that the month is 30 days long. ( round your answers to the nearest cent). $ 400 balance, 15%, $ 50 payment. A) previous balance ...
*March 2, 2013 by Andrew*

**math**

calculate the monthly finance charge for the credit card transaction. Assume that it takes 10 days for a payment to be received and recorded and that the month is 30 days long. ( round your answers to the nearest cent). $ 400 balance, 15%, $ 50 payment. A) previous balance ...
*March 3, 2013 by Andrew*

**math**

calculate the monthly finance charge for the credit card transaction. Assume that it takes 10 days for a payment to be received and recorded and that the month is 30 days long. ( round your answers to the nearest cent). $ 400 balance, 15%, $ 50 payment. A) previous balance ...
*March 3, 2013 by Andrew*

**math:(**

how do you compare the symbolic method for solving linear equations to the method of using a table? PLEASE HELP MY BUS COMES IN 30 MINUTES!!!
*April 6, 2012 by malisa*

**Finite Math**

Find the slope of a line through the points (11,-2) and the origin.
*July 23, 2009 by Mike*

**Finite Math**

Pivot the system about the element in row 2, column 1. [3 3| 2] [9 4| 1]
*September 15, 2011 by Dee*

**Finite Math**

Sinking fund which the goal of $100,000 to reach with n=22, i= 0. 03
*February 7, 2012 by Ashley*

**college finite math**

Find the marginal average cost function: C(x)=10-e^-x
*November 18, 2012 by Jenny*

**Finite Math**

How long will it take $800 to earn $18 at 6% simple interest?
*February 17, 2013 by Matt*

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