# Questions on Algebra: Equations answered by real tutors!

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 Algebra: Equations Solvers Lessons Answers archive Quiz In Depth

 Question 41478: please help me solve this problem asap the cost of sending a certain telegram is 60 cents for the first 10 words and 5 cents for each additional word. the formula for finding the cost, C, in cents, of sending a telegram of n words is C=60+5(n-10) a. find the cost of sending a telegram of 18 words. b. find the cost of borrowing a book for a week. Click here to see answer by mukhopadhyay(490)

 Question 41480: plz help me solve this asap a.write a formula for the cost,c,of borrowing a book from a lending library for d days if the cost for the first 3 days is 25 cents and the cost for each additional day is 5 cents. b.find the cost of borrowing a book for a week. Click here to see answer by vidhyak(94)

 Question 41501: Find the slope of the line through the following points (-5,-3) + (-5,2) I know that the formula for the slope is M=y subscript 2 - y subscript 1, and x subscript 2 and x subscript 1 but I can't figure out the rest of the formula how do I calculate the rest of the problem. Please help. Thank you. Click here to see answer by stanbon(57354)

 Question 41496: Find the constant of variation K. m varies directly with n;m=144 when n=8 Click here to see answer by Earlsdon(6287)

 Question 41489: complete the ordered pairs so that each is a solution for the given equation. 3x+4y=12 (0, ), (,3/4), (,0), (8/3,) Click here to see answer by checkley71(8403)

 Question 41504: x + y = -4 4x + y = -13 y + 3z = -10 Click here to see answer by stanbon(57354)

 Question 41359: y=-x+2 x -2 -2 0 1 2 y Click here to see answer by zeynep(43)

 Question 39930: Please, need help again. Solve the following equation for w 2 (w - 3) + 2w = 14 Simply ou answer as much as possible Solving a linear equation with several occurances of the variable Solve for x 7/4x + 4/3 = 1/4x + 7 Solving a linear equation with several occurance of the variable Solve the following equation for x -5 (x + 8) = 4x + 32 Solving a linear equation with several occurances of the variable Solve the following equation for x -2(x - 4) + 7 = -6(8x - 6) + x Solving a linear equation with several occurances of the variable Solve the following equation for t 8t - 4/5 + 9t - 2/2 = 47 Simply your answer as much as possible Click here to see answer by zeynep(43)

 Question 39554: Solve each equation by first eliminating the fractions 1/2q - 6 = 1/5q Solve each equation by first eliminating the decimal numbers 0.5b + 3.4 = 0.2b + 12.4 Solve each equation. If you feel proficient enough, try simplying the process 4x - 2 = -8 + 5x Solve each equation. Identify each as a conditional equation, an inconsistent equation or an identity 3 - 3(5 - x) = 0 Solve each equation -3 - 4(t - 5) = -2(t + 3) + 11 Click here to see answer by zeynep(43)

 Question 39489: Solve each equation. Identify each equation as a conditional equation, an inconsistent equation, or an identity. 1/2a - 5 = 1/3a - 1 Fill in the tables using the given formulas y = -5x + 10 ________________________ x y _______________________ -20 -10 0 10 ______________________ Click here to see answer by zeynep(43)

 Question 41512: Hello! Can anyone help please? My question is: A woman has four dresses for which she paid a total of \$80. The first dress cost as much as the second plus half of the third. The second cost as much as the fourth minus the cost of the third. The third cost one-third of the first. The fourth cost as much as the second and third together. What was the price of each dress? Thanks marangeo Click here to see answer by psbhowmick(529)

 Question 41515: Can someone please help me out on figuring this problem out. I need to Either perform the indicated operation or solve the equation, whichever is appropriate. (x^2-4)/(x)/(4x-8)/(x) Click here to see answer by gsmani_iyer(180)
 Question 41515: Can someone please help me out on figuring this problem out. I need to Either perform the indicated operation or solve the equation, whichever is appropriate. (x^2-4)/(x)/(4x-8)/(x) Click here to see answer by safeer100(1)

 Question 41511: Hello! Can anyone help please? My question is: At a local village gala, the entire population turned up, 500 people. The event raised £3,000. Tickets were priced as follows: £7.48 men, £7.12 women and £0.45 children. How many children were there? I know the answer is 92 but I don't know how to work it out. Thanks marangeo Click here to see answer by rapaljer(4667)
 Question 41511: Hello! Can anyone help please? My question is: At a local village gala, the entire population turned up, 500 people. The event raised £3,000. Tickets were priced as follows: £7.48 men, £7.12 women and £0.45 children. How many children were there? I know the answer is 92 but I don't know how to work it out. Thanks marangeo Click here to see answer by Nate(3500)

 Question 41490: The area of a square is given by A=S second power. What is the area of the squares whose sides are 5,10,12 and 15cm? Click here to see answer by mszlmb(115)

 Question 41492: Celsius temperature readings can be converted to farenheit readings with the formual F=9/5C +32. What is the farenheit temperture that corresponds to each of the following celsius temperatures: -10,0,15,100? Click here to see answer by Nate(3500)

 Question 41494: When x number of units are sold, the price of each unit (in dollars) is given by p=-x/2 + 75. Find the unit price when the following quantities are sold. 2,7,9,11. Click here to see answer by mszlmb(115)

 Question 41586: clear fractions and decimals, solve and check 1/2+4m=3m-5/2 i am really stuck on how to solve it properly the denominater 2 is under the 1 and the denominater 2 is under the 5 Click here to see answer by stanbon(57354)
 Question 41586: clear fractions and decimals, solve and check 1/2+4m=3m-5/2 i am really stuck on how to solve it properly the denominater 2 is under the 1 and the denominater 2 is under the 5 Click here to see answer by mikerueckert(1)
 Question 41586: clear fractions and decimals, solve and check 1/2+4m=3m-5/2 i am really stuck on how to solve it properly the denominater 2 is under the 1 and the denominater 2 is under the 5 Click here to see answer by Nate(3500)

 Question 41590: how can i do a chk for this problem 5/4x+1/4x=2x+1/2+3/4x i can figure the answer correctly but i cand figure out how to check that answer is coorect im not sure how to do it Click here to see answer by Nate(3500)

 Question 41599: Five times some number is 10 less than the number. What is the number? Click here to see answer by checkley71(8403)

 Question 41541: When x number of units are sold, the price of each unit (in dollars) is given by p=-x/2 + 75. Find the unit price when the following quantities are sold. 2, 7, 9, 11 Please help me Click here to see answer by checkley71(8403)

 Question 41604: problem solving Five times some number is 10 less than the number. What is the number? show work Click here to see answer by stanbon(57354)

 Question 41778: art dealer sold 2 artworks for 1520. made a profit of 25% on the first work and 10% profit on the other. if he had approached any exhibition he would have sold them together for 1535, with a profit of 10% on the first and 25% on the other find the actual cost each artwork Click here to see answer by josmiceli(9680)

 Question 41823: im not really sure if this is the right topic for my question. NUMBER OF | | | | | TICKETS(n) | 1 | 2 | 3 | 4 | 5 ____________|_________| ________|________|________|_________ COST IN | 1.50 | 3.00 | 4.50 | 6.00 | 7.50 DOLLARS(c) | | | | | WRITE A FORMULA TO EXPRESS THE RELATIONSHIP SHOWN IN EACH TABLE IM NOT SURE HOW TO SOLVE THIS, PLEASE HELP ME Click here to see answer by psbhowmick(529)
 Question 41823: im not really sure if this is the right topic for my question. NUMBER OF | | | | | TICKETS(n) | 1 | 2 | 3 | 4 | 5 ____________|_________| ________|________|________|_________ COST IN | 1.50 | 3.00 | 4.50 | 6.00 | 7.50 DOLLARS(c) | | | | | WRITE A FORMULA TO EXPRESS THE RELATIONSHIP SHOWN IN EACH TABLE IM NOT SURE HOW TO SOLVE THIS, PLEASE HELP ME Click here to see answer by tutorcecilia(2152)

 Question 41651: Write the equasion of a line with slope -3 and Y intercept -7 Click here to see answer by tran3209(100)