# Questions on Algebra: Equations answered by real tutors!

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 Algebra: Equations Solvers Lessons Answers archive Quiz In Depth

 Question 211647: I need a equation that uses the numbers 1,2,3,and 4 and the total equals 48 and your not allowed to divide. Click here to see answer by checkley77(12569)

 Question 211704: Suppose M is between L and N. Use the segment addition postulate to solve for the variable. Then find the indicated lengths. LM= 5x+9, MN= 2x-6, LN = 59 find x, LM, and MN please. Please show work. this is to study for a big test tomorrow. Click here to see answer by stanbon(57246)

 Question 211719: How many square yards of carpet are needed to carpet a room that is 15 ft by 25 ft? Click here to see answer by nerdybill(6951)

 Question 211741: Hi all, I was hoping to get some help with the following 2 intergrals. I have to evaluate each one using the given substitution in each. a) ∫( (x^2x) / ((3 + x^3)^2) ) Substitution, u = x^3 b) ∫ \( x^7 cos x^8dx) Substitution u = x^8 Help with steps and notes on how to solve would be gret. Thanks, -Nick. Click here to see answer by jsmallt9(3296)

 Question 211801: How do I write a algebric expression for seven times the sum of a number and six Click here to see answer by Theo(3458)

 Question 211998: Tony has twice as much money as Alicia. She has \$16 less than Ralph. Together they have \$200. How much money does each have? Click here to see answer by drj(1380)

 Question 212016: betty is thinking of two consecutive integers whose sum is 41. Let x represent the smaller unknown integer. a. How could you represent the larger unknown integer in terms of x? b. Write an equation showing that the sum of the two unknown integers is 41. c. Solve your equation. What integers is Betty thinking of? Click here to see answer by rfer(12647)

 Question 212059: I was givien the following problem: Write the equation 2x+3y=9 in function form and find f(-1) and f(6) Click here to see answer by drj(1380)

 Question 212072: The problem is the following: One number is four less than three times another. If their sum is increased by five, the result is twenty-five. Find the numbers. I thought that maybe the equation would be x=3x-4 but it just doesn't work, then another way I thought would work would be x-4<3x but I don't know where to go from thier. I've been on this problem for an hour looking online for some help. I even went through a 40 minute free lesson online. It was too simple too help me though. Hopefully you can help me! Click here to see answer by rfer(12647)

 Question 212101: Dear Tutor, I would like to know how can I arrive/make: y*z*(z-y)+x*y*(y-x)+x*z*(x-z) into (x-y)*(y-z)*(z-x) I have tried multiplying all factors also tried to divide by factor:y and than factor:z but that's where I got stuck so I'm not sure if I'm even close to the right method. Thank you for your time and effort, Gabi Click here to see answer by jsmallt9(3296)

 Question 212136: i need a solution to the ordinary differential equation x"+2x'+2x=0 Click here to see answer by Fombitz(13828)
 Question 212136: i need a solution to the ordinary differential equation x"+2x'+2x=0 Click here to see answer by drj(1380)

 Question 212177: Help me please!!! A new machine can make 10,000 aluminum cans three times faster than an older machine. With both machines working, 10,000 cans can be made in 9 hours. How long would it take the new machine, working alone, to make the 10,000 cans? I don't know how to show my work on this! :( Click here to see answer by stanbon(57246)

 Question 212231: What is the mass, volume, and density for a textbook that is 3.4 pounds? please show work Click here to see answer by ichudov(499)

 Question 212239: How do you solve 10 X a = 50 Click here to see answer by rfer(12647)

 Question 212316: Hi there! I've totally learned this before, but can't remember for the life of me how to do it! Here it is: b + c = 10/a Solve for a. I know the answer is a = 10 / b + c, BUT WHY!? T.T Click here to see answer by Earlsdon(6287)
 Question 212316: Hi there! I've totally learned this before, but can't remember for the life of me how to do it! Here it is: b + c = 10/a Solve for a. I know the answer is a = 10 / b + c, BUT WHY!? T.T Click here to see answer by checkley77(12569)
 Question 212316: Hi there! I've totally learned this before, but can't remember for the life of me how to do it! Here it is: b + c = 10/a Solve for a. I know the answer is a = 10 / b + c, BUT WHY!? T.T Click here to see answer by rapaljer(4667)

 Question 212329: Hi there! I've totally learned this before, but can't remember for the life of me how to do it! Here it is: b + c = 10/a Solve for a. I know the answer is a = 10 / b + c, BUT WHY!? T.T Click here to see answer by rapaljer(4667)