# Questions on Algebra: Systems of Linear Equations answered by real tutors!

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 Linear Solvers Practice Answers archive Word Problems Lessons In depth

 Question 29189: An open-top box is to be constructed from a 4 by 6 foot rectangular cardboard by cutting out equal squares at each corner and the folding up the flaps. Let x denote the length of each side of the square to be cut out. I need to find the function V that represents the vloume of the box in terms of x Click here to see answer by Earlsdon(6287)

 Question 29028: I'm lost on these two problems. I have a test for a job tonight and need help to figure these out. Please help! and r^2-5r-6/r+1=? Mike Click here to see answer by Earlsdon(6287)
 Question 29028: I'm lost on these two problems. I have a test for a job tonight and need help to figure these out. Please help! and r^2-5r-6/r+1=? Mike Click here to see answer by Nate(3500)

 Question 29345: Ax +y = 13 3x -By = -5 Click here to see answer by josmiceli(9697)

 Question 29359: I have not taken an Algebra class in 30 years,.. This has stumped me, even after referring to the text… Determine the equation of the following line. Write the answer in standard form using only integers as coefficients.: …..The line through (-2, 4) that is perpendicular to the x-axis. thanks in advance me Click here to see answer by atif.muhammad(135)
 Question 29359: I have not taken an Algebra class in 30 years,.. This has stumped me, even after referring to the text… Determine the equation of the following line. Write the answer in standard form using only integers as coefficients.: …..The line through (-2, 4) that is perpendicular to the x-axis. thanks in advance me Click here to see answer by sdmmadam@yahoo.com(530)

 Question 29381: Can you tell me a good way to solve linear equations.I'm really stuck.....I need an explaination that you would give someone in 2nd grade.My mom and my teacher have explained it over and over but I just don't get it!!! Click here to see answer by Nate(3500)

 Question 29380: write the equation of a line perpendicular to y=-4x+6 and passes through (-12,5) Click here to see answer by Nate(3500)

 Question 29689: 5x - 3y > -31 the goal is to graph the equation. The problem is .... the y-intercept winds up as 31/1. The program it comes from is not designed to plot such fractions on the graph. I'm not sure how to get the equation to work out to a whole integer for the y-intercept. Click here to see answer by longjonsilver(2297)

 Question 29789: rewrite equation 4x-10y=11 as a function of x i tried x=10/4y + 11/4 Click here to see answer by ikdeep(226)

 Question 29876: how Do I solve this system linear equations using graphing method? y=4x-6 3y=7-3x Click here to see answer by Cintchr(481)

 Question 29875: How do I solve for both methods? directions:Slove the linear equations using both substitution and combination method. y=4x-6 3y=7-3x Click here to see answer by Cintchr(481)

 Question 30166: how do you set up the problem mix raisins cost that \$5.00 per kg with peanuts that cost \$3.80 a kg. How many kg of raisins should be mixed with 10kg of peanuts to obtain a mixture worth \$4.00 per kg Click here to see answer by checkley71(8403)

 Question 30120: How do you solve and graph for this equation on this inequality y<-5x Click here to see answer by elima(1433)

 Question 30467: Please help me work this problem. I have the answer but don't know how to work it. Please explain in very plain English terms! Point A (-4,1) is in the standard (x,y) coordinate plane. What must be the coordinates of Point B so that the line x = 2 is the perpendicular bisector of AB ? (note: there is a line over AB) Thank you for your help...Karen Click here to see answer by mbarugel(146)
 Question 30467: Please help me work this problem. I have the answer but don't know how to work it. Please explain in very plain English terms! Point A (-4,1) is in the standard (x,y) coordinate plane. What must be the coordinates of Point B so that the line x = 2 is the perpendicular bisector of AB ? (note: there is a line over AB) Thank you for your help...Karen Click here to see answer by longjonsilver(2297)
 Question 30467: Please help me work this problem. I have the answer but don't know how to work it. Please explain in very plain English terms! Point A (-4,1) is in the standard (x,y) coordinate plane. What must be the coordinates of Point B so that the line x = 2 is the perpendicular bisector of AB ? (note: there is a line over AB) Thank you for your help...Karen Click here to see answer by venugopalramana(3286)

 Question 30513: art, trudy and suelike to take exercise walks together. however, they never do actually stay together, since trudy walks at a speed that is 1 1/2 mph faster than sue's spped and art walks 1 mph slower that sue. art walks at a leisurly 2 mph. now total distance,D, in miles is the dependent variable and the time walked, t, in hours is the independent variable. i need to figure out equations for all three of the walkers. Click here to see answer by josmiceli(9697)

 Question 30514: I need help with a linear function table. Here's the table: x f(x) -6 -15 1 -1 7 11 11 19 I tried to find the pattern for the y's and the x's so that I could find the slope, but it doesn't seem like there is a pattern. I need to write the rule for the linear equation. Can you help? Thanks Click here to see answer by longjonsilver(2297)

 Question 30672: one half of a number is 3 more than one-sixth the same number. What is this number? Click here to see answer by blubunny01(20)

 Question 30698: I am lost with this question. solve by the substitution method, and determine wehter the equation is dependent, independent or inconsistent. 3x-6y=5 2y=4x-6 Click here to see answer by Nate(3500)

 Question 28836: Help solve this problem: One of the employers at the ticket booth was extremely busy and lost track of the number of ticket strips and unlimited-ride wristbands that were sold. jose, the ticket manager does know that the employee made a total of 500 sales, which totaled 15,425. Write a system of equations to help jose determine the # of each type of sale. let x=the number of ticket strips and y= the # of unlimited-ride wristbands. solve this using the substitution method. Click here to see answer by checkley71(8403)

 Question 30716: Can you please help me with this one? I think it's linear. ** A rectangle has a length 5 inches longer than its width. If both the length and the width of the rectangle are increased by 3 inches, the area of the rectangle is increased by 36 square inches. Find the original dimensions of the rectangle. Click here to see answer by venugopalramana(3286)

 Question 30789: What is the slope of the line for 2x+y=4 ? Click here to see answer by checkley71(8403)

 Question 30791: I am completely lost with this one: . What are the dimensions of the matrices shown below? a) 2 1 4 1 3 5 -2 0 1 6 0 1 b) 1 3 5 -2 0 1 Click here to see answer by longjonsilver(2297)

 Question 30886: Solve the system by graphing, if possible. If the system is dependent or inconsistent, indicate this. In those cases enter dependent or inconsistent. Otherwise, enter your answer as an ordered pair in the form (x, y). {x -y =7 {3x + y =5 Click here to see answer by Nate(3500)

 Question 30889: Solve the following system by substitution: Solve the following system by substitution: y =x +9 x +9y =21 If the equations of the system are dependent, or if a system is inconsistent, so indicate. In those cases enter dependent or inconsistent. Otherwise, enter your answer as an ordered pair. Click here to see answer by Nate(3500)

 Question 30891: Solve the following system by any method: {2(x +y) +8 =0 6x + 4y =-28 If the equations of the system are dependent, or if a system is inconsistent, so indicate. In those cases enter dependent or inconsistent. Otherwise, enter your answer as an ordered pair. Click here to see answer by Nate(3500)

 Question 31126: 1. Find the slope of the line at passes through (-4,-8) and (-4,2)? my answer was 5/4 but I tried calculating several times and came up with different answer a few time. So, please demonstrate. Thanks! Click here to see answer by mbarugel(146)

 Question 31179: Hello. I am having a very tough time with this one problem. I was wondering if you could help me. The directions say find the equation, in standard form, for the line that has the following characteristics. 3. has a y-intercept of 2 and the same slope as x + 2y = 6 could you please explain how to solve this problem? thank you. Click here to see answer by longjonsilver(2297)