Tutors Answer Your Questions about Human-and-algebraic-language (FREE)
Question 35286: A painter can paint a wall in 1 hours and 10 minutes, whereas his assistant can do the same size wall in 2 hours and 30 minutes. Find their work rate of the job per hour when they work together. Your answer is supposed to be a fraction. Put the answer in answer box.
Click here to see answer by fractalier(6550)  |
Question 16633: 4. Three times the square of a certain positive number exceeds six times the number by nine. Find the number:
a. 3 b. 6 c. 4 d. 9 e. none
The answer is A, but how? I don't think I used the correct formula. Please help!
Click here to see answer by fractalier(6550)  |
Question 16110: One crew can put up holiday decorations in the mall in 9 hours. A second crew can put up the decorations in 7 hours. How long will it take if both crews work together to decorate the mall? Please enter your answer as a number without the units.
Click here to see answer by fractalier(6550)  |
Question 41722: Sam Mathius invested part of his $10,000 bonus in a fund that paid an 11% profit and inested the rest in stock that suffered a 4% loss. Find the amount of each investment if his overall net profit was $650.
Click here to see answer by Nate(3500) |
Question 44111: Hello, I am having difficulty determining the what should constitute my x and y variables. The goal is to create two linear equations, graph them, and determine what point or intersection on the graph correctly answers the question. I have tried setting x as amount deposited in Wachovia and y as amount deposited in CCB and I end up with the equations 14x+8y=22000 and 7x+15y=22000. I know these are wrong but I am stumped please help?
Problem:
Mr. jones wants to invest up to $22000. He will invest at least $2000 but no more than $14000 in Wachovia, and he willinvest no more than $15000 in CCB. What amounts placed in these accounts will yeild the greatest income(interest)? What is the maximum interest?
Click here to see answer by stanbon(75887) |
Question 48079: A triangular sail has an area of x^2+5x+6 square meters and a height of x+3 meters. Find the length of the sail's base.
I have worked this several ways and can't get to the correct answer. Please help!
Thank you in advance for any help!
Click here to see answer by checkley71(8403) |
Question 41345: Brandon pays $4.95 a month for long distance telephone service that offers a flat rate of 7 cents per minute.
One month his long distance telephone bill was $10.69. How many minutes of long distance telephone calls were made that month?
Click here to see answer by tstoy8442(1) |
Question 41364: a grocer sold 450lb of ground beef in one day. Two grades of beef, regular at $1.20 per pound and lean at $1.40 per pound, wer sold. If the total sales were $592, how much of each type of ground beef were sold.
1.20x + 1.40(450-x)= 592
1.20x + 630 -1.40x= 592
-.20x + 630 = 592
630 - 592 =.20x
38=.20x
38/.20 = .20x/.20
ans.19
Click here to see answer by cowess(34) |
Question 50340: while travelig to his grandmother's for easter, George fell asleep halfway through the journey. When he awoke, he still had to travel half the distance that he had traveled while sleeping. For what part of the entire journey had he been asleep?
Click here to see answer by stanbon(75887) |
Question 50440: while taveling to his granmothers for easter, george fell asleep halfyway through the journey. when he awoke, he still had to travel half the distance that he had traveled while sleeping. For what part of the entire jorney had he been asleep
can you please explain to me how you found the answer
Click here to see answer by josmiceli(19441)  |
Question 50857: Martina went shopping. She spent one-fifth of what she had in her wallet and then one-fifth of what remained. In all she spent $36. How much did she start with?
Can you help me with this problem?
Thank you!
Click here to see answer by Paul(988) |
Question 53239: A jet leaves the Charlotte, North Carolina, airport traveling at an average rate of 546km/h. Another jet leaves the airport one half hour later traveling at 744km/h in the same direction. How long will the second jet take to ovretake the first?
Click here to see answer by venugopalramana(3286) |
Question 53363: A bus traveled at an average rate of 50 miles per hour and then reduced its average rate to 40 miler per hour for the rest of the trip. If the 220-mile trip took 5 hours, determine how long the bus traveled at each rate.
Click here to see answer by stanbon(75887) |
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