# Questions on Algebra: Equations answered by real tutors!

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 Algebra: Equations Solvers Lessons Answers archive Quiz In Depth

 Question 397057: Train A and B are traveling in the same direction on parellel tracks. Train A is traveling 80 miles per hour and train B is traveling at 88 miles per hour. Train A passes a station at 6:25 P.M. If train B passes the same station at 6:40 P.M., at what time will train B catch up to train A? (Can you inclede in the answer, either A.M. or P.M, thanks)! Click here to see answer by Edwin McCravy(8882)
 Question 397057: Train A and B are traveling in the same direction on parellel tracks. Train A is traveling 80 miles per hour and train B is traveling at 88 miles per hour. Train A passes a station at 6:25 P.M. If train B passes the same station at 6:40 P.M., at what time will train B catch up to train A? (Can you inclede in the answer, either A.M. or P.M, thanks)! Click here to see answer by josmiceli(9661)
 Question 397057: Train A and B are traveling in the same direction on parellel tracks. Train A is traveling 80 miles per hour and train B is traveling at 88 miles per hour. Train A passes a station at 6:25 P.M. If train B passes the same station at 6:40 P.M., at what time will train B catch up to train A? (Can you inclede in the answer, either A.M. or P.M, thanks)! Click here to see answer by stanbon(57246)

 Question 397098: Find the slope, if it exists, of the line containing the pair of points. (2,5) and (3,-1). Click here to see answer by jim_thompson5910(28504)

 Question 397123: how do I show the breakdown of the following equation: -x to the second power+5x-9 for x = 3 I know the answer (back of book) to be -3, I just can not get there much less show how I got there. Click here to see answer by solver91311(16868)

 Question 397153: What is the value of [(3x+8Y)/(x-2Y)]; if x/2y=2? Click here to see answer by jim_thompson5910(28504)

 Question 397882: Find the real solutions of the equation: x= 2 sqrt(x) Click here to see answer by Tatiana_Stebko(1326)

 Question 397881: Find the real solutions of the equation: (3x + 1)^1/3 = -2 Click here to see answer by Tatiana_Stebko(1326)

 Question 398045: n/5=20 just trying to rember how to do u if u can show me how to do this i think i should be okay with the rest Click here to see answer by richard1234(5390)

 Question 398093: Solve for y. Write in Simplest form: 2+7/y=3/5 Click here to see answer by Tatiana_Stebko(1326)

 Question 398096: how do you work out: x-squared - 10x + 14 = 0 Click here to see answer by stanbon(57246)

 Question 398099: Find the least common multiple of the two expressions 15v^4w^8 and 9vw^5x^4 Click here to see answer by stanbon(57246)

 Question 398219: How do I find out whether a number is the product of -1 Click here to see answer by stanbon(57246)

 Question 118124: Hello out there,I need some help with some tough problems,the first one is,Simplify: 9/k+8/k.The next one is,Find the quotient: 2x^2+7x+3/2x+1.The third one is,Find the quotient:(a^2+11a+30)divided by(2x+3).And the last one is,Find the quotient:(6x+9)divided by(2x+3),thanks to whoever can help. Click here to see answer by babyb_(6)

 Question 398129: solve each system by addition method. Determine whether the equation is independent, dependent, or inconsistent. x-y=3 -6x+6y=17 Click here to see answer by robertb(4012)

 Question 398329: i'm supposed to find f(x) when x = 1-t 3(1- t)^2 - 2(1- t) + 1 Click here to see answer by robertb(4012)

 Question 398344: The area of a rectangle is given by A = x2 + 4x – 5. Find the value of x if the total area of the rectangle is equal to 7 square units. Click here to see answer by Alan3354(30983)

 Question 398286: what is the generic mathematical equation of a n-gon thin sheet/ disk/ hollow cylinder Click here to see answer by Alan3354(30983)

 Question 398478: How do I do.......1.1-1t+2.2t=5.9 I don't just want the answer but how you did it Click here to see answer by jim_thompson5910(28504)

 Question 398463: what is the value of x inthe equation 2(x-3)+1=19 Click here to see answer by jim_thompson5910(28504)

 Question 398760: Hi, I am trying to simplify the equation x+x/(x+1/2). On wolfram alpha it indicates the answer is x(2x+3)/2x+1, but I cannot for the life of me get to this answer. I have tried: x((1/2x+1/2)+1) -> x(1/2(2x+1) + 2(2x+1)/2(2x+1)) -> x(1+2(2x+1)/2(2x+1) But I'm pretty sure that's not the right path and I don't know where to go from there. Any help would be greatly appreciated. Click here to see answer by mananth(12270)

 Question 398796: one of the zeros of the function f(x)=x^3+5x^2-9x-45 is x=-5, find the zeros of the function Click here to see answer by lwsshak3(6472)

 Question 398815: Three power boats in a 500 km handicap race leave at 5 hourly intervals. Boat A leaves first and has a speed for the race of 20 km/h. Boat B leaves 5 hours later and travels at an average speed of 25km/h. boat C leaves last, 5 hours after B, and completes the race at a speed of 40 km/h. a) Draw a graph of each boat's journey on the same set of axes b)Use your graphs to find the winner or the race c)Check your answer algebraically d) Write a short description of what happened to each boat in the race PLEASE HELP Click here to see answer by mananth(12270)

 Question 398872: the sum of the three positive integers is 315. find the numbers? Click here to see answer by Alan3354(30983)

 Question 398867: To rent a certain banquet hall, there is a reservation fee of \$4200.00 and an additional fee of \$180.00 per hour. The Russell family wants to spend at most \$5100.00 on renting the hall. What are the possible amounts of time for which they could rent the hall? Use t for the number of hours the hall is rented, and solve your inequality for t. Click here to see answer by nerdybill(6951)