# Questions on Algebra: Linear Equations, Graphs, Slope answered by real tutors!

Algebra ->  Algebra  -> Linear-equations -> Questions on Algebra: Linear Equations, Graphs, Slope answered by real tutors!      Log On

 Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations! Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help!

 Algebra: Linear Equations, Graphs, Slope Solvers Lessons Answers archive Quiz In Depth

 Question 104889: question 1) how many pounds of nuts selling at 6.00 lb. and raisins at 3.00 lb. should be combined to obtain 60 lbs of trail mix selling for 5.00 lb? question 2) if a plane can travel 440 mph into the wind and 500 mph with the wind find the speed of the wind and the speed of the plane in still air? question 3) at the beginning of a bike ride mary and sue are 30 miles apart. If they leave at the same time and ride in the same direction mary over takes sue in 6 hours. if they ride toward each other they pass each other in 1 hour. what are their speeds? Click here to see answer by oberobic(2304)

 Question 104908: mary and sue are 30 miles apart. if they leave at the same time andride in the same direction, mary overtakes sue in 6 hours. if they ride towards each other they pass each other in 1 hour. what are their speeds? Click here to see answer by HyperBrain(694)

 Question 104946: HI please help me with this IS it possible to draw a triangle so that all three sides have positive slopes.If so do it ,if not explain why not. Click here to see answer by kev82(148)

 Question 105078: what is the equation of the line perpendicular to -8x+2y=-2 that contains point (-5,8) Click here to see answer by checkley75(3666)

 Question 105067: I was doing my assignment I got stuck on this problem. A repair service charges a fixed fee for a house call plus a fixed hourly rate. If a 2 hour call cost \$57 and a 4 1/2 hour call costs \$97, what is the fixed fee for a house call. I have: 2/57=4.5/97 194=256.5 Now what? Click here to see answer by Earlsdon(6287)

 Question 105045: write the equation of a circle with center (0,2) and radius square root of 6 Click here to see answer by HyperBrain(694)

 Question 105069: At 2 am snow started falling at a constant rate. At 10:30 am Harry began clearing his driveway at a constant rate. At 11 am when it stopped snowing the average depth of the snow on the driveway was 2 in. By 11:24 the driveway was clear. At what rate did the snow fall in in./hour. I am really confused at this problem and don't even know where to start. Click here to see answer by ankor@dixie-net.com(15652)

 Question 105224: if a line passes through (5,2) and has a slope 2/3, then what is the value of y on this line when x=8, x=11, and x=12? Click here to see answer by checkley75(3666)

 Question 105268: find three ordered pairs that are solution of the equation. y = 4x -1 Click here to see answer by mbotros(2)

 Question 105225: line L is perpendicular to a line with a slope -5. both lines contain the origine? Click here to see answer by edjones(7569)

 Question 105198: Hello out there,I need some help with some tough problems,the first one is,Which of the following points are solutions to:2x-3y<0 and x+y>4 (2,3),(0,1)or(1,4).The next one is,Determine whether the system has one solution,no solution,or infinitely many solutions:y=2/3x and 2x-y=-4.The third one is,State whether the system is consistent and independent,consistent and dependent,or inconsistent:x+y=4 and 2x-y=-7.And the last one is,State whether the system is consistent and independent,consistent and dependent,or inconsistent:4x+2y=8 and 2x+y=1.Thanks to whoever can help. Click here to see answer by elima(1433)

 Question 105310: Please Help me, I am not sure how to figure this out. Write the equation of the line that passes through point (1, –8) with a slope of 0. Click here to see answer by jim_thompson5910(28595)

 Question 105313: Find the slope of the line (3,-7) (20,14) Click here to see answer by jim_thompson5910(28595)

 Question 105295: I have a practice sheet my teacher gave me and I can not figure out this problem. Please help. A broker invested \$25000 in two different stocks. One stock earned dividents at 3.5% and the other at 4%. If a dividend of \$900 was earned on both stocks together, how much was invested in each stock. Please help - Thanks Click here to see answer by Earlsdon(6287)

 Question 105317: Graph the line with slope -1/3 passing through the point (-2,2) . Click here to see answer by checkley75(3666)

 Question 105357: Linear Equestions are not explainable i need a couple of examples. Click here to see answer by an(14)

 Question 105367: Solve and check the equation 4n - 15 = 11n - 1 Click here to see answer by an(14)

 Question 105366: Solve and check the equation 17 - 3(x-2) = -7 Click here to see answer by an(14)

 Question 105358: I am having a hard time with sovling the following problem. I need to solve the following system by addition. 2x-y=1 and -2x+3y=5 I have done the following: 2x-y=1 -2x+3y=5 -y=1 3y=5 2y/2=-4/2 y=-2 Now I dont understand how to solve for the x. And did I solve for the y correctly? Click here to see answer by Earlsdon(6287)
 Question 105358: I am having a hard time with sovling the following problem. I need to solve the following system by addition. 2x-y=1 and -2x+3y=5 I have done the following: 2x-y=1 -2x+3y=5 -y=1 3y=5 2y/2=-4/2 y=-2 Now I dont understand how to solve for the x. And did I solve for the y correctly? Click here to see answer by checkley75(3666)

 Question 105371: hELLO, hi PLEASE HELP ME WITH THIS. i AM STRUGGLING WITH THIS QUESTION.tHANKYOU. any help would be appriciated. qUESTION: A theatre company produced the musical cats .The company had to pay royalty fee of \$1250 plus 325 per performance.THe same company also presented the musical production of fame in the same year.For the production of fame the company had to pay a royalty fee of \$1400 plus \$250 per performance. Solve these a) Write an equation that relates the total royalties and the number of performances for each musical. b) Graph the two relationships on the same grid c) When does the company pay the same royalty fees for the two productions. d) Why do you think the creators of these musicals would get the royalties in the form of a partial variation instead of a direct variation Click here to see answer by Earlsdon(6287)

 Question 105290: hELLO, PLEASE HELP ME WITH THIS. i AM STRUGGLING WITH THIS QUESTION.tHANKYOU. qUESTION: A theatre company produced the musical cats .The company had to pay royalty fee of \$1250 plus 325 per performance.THe same company also presented the musical production of fame in the same year.For the production of fame the company had to pay a royalty fee of \$1400 plus \$250 per performance. Solve these a) Write an equation that relates the total royalties and the number of performances for each musical. b) Graph the two relationships on the same grid c) When does the company pay the same royalty fees for the two productions. d) Why do you think the creators of these musicals would get the royalties in the form of a partial variation instead of a direct variation. Click here to see answer by elima(1433)

 Question 105269: Hi please help me with this.thankyou. A theatre company produced the musical cats .The company had to pay royalty fee of \$1250 plus 325 per performance.THe same company also presented the musical production of fame in the same year.For the production of fame the company had to pay a royalty fee of \$1400 plus \$250 per performance. Solve these a) Write an equation that relates the total royalties and the number of performances for each musical. b) Graph the two relationships on the same grid c) When does the company pay the same royalty fees for the two productions. d) Why do you think the creators of these musicals would get the royalties in the form of a partial variation instead of a direct variation. Click here to see answer by elima(1433)

 Question 105387: Now I have this problem: solve the system by addition. 2x-4y=7 4x+2y=9 Ok so I subtract 2x-4x and get -2x then I do -4y+2y=-2y Now my problem looks like this; -2x+-2y=7+9= -2x+-2y=16 Now what? Click here to see answer by Earlsdon(6287)

 Question 105354: I have been trying to figure out how to solve the system 4x + 3y = 11 3x - 2y= 4. I think the first equation is 2 but I am not sure. Please help. Click here to see answer by elima(1433)

 Question 105404: HI please help me with tis problem.Thanks for any help on my way. THe price of a loaf of bread increased from \$1.45 in 2003 to \$1.78 in 2006.What is the average price of increase per year? Click here to see answer by checkley75(3666)

 Question 105355: Please help. The length of a rectangle is 3 m more than twice its width. If the perimeter of the rectangle is 42 m, find the dimensions of the rectangle. Thank-You Click here to see answer by vertciel(183)

 Question 105401: Not sure how to do this Can someone help me. Find the slope and y-intercept. x = –7 Click here to see answer by an(14)
 Question 105401: Not sure how to do this Can someone help me. Find the slope and y-intercept. x = –7 Click here to see answer by checkley75(3666)

 Question 105451: A chemist has a 25% and a 50% acid solution. How much of each solution should be used to form 200 mL of a 35% acid solution? Click here to see answer by checkley75(3666)