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 Question 562467: Mary can paint a house in 4 hours. John can paint a house in 6 hours. How long will it take for them to paint a house together Click here to see answer by Edwin McCravy(8909)

 Question 562538: Can u help me solve these problems by showing the work too please? Solve for the letter: T divided by 4 = 16 -5y = -50 P/-3 =-6 F + (-6) = -13 R divided by 7 = -6 -8d = 72 S + (-4) = 17 G - (-4) = -3 Click here to see answer by solver91311(16897)

 Question 562727: How do I write the equation in slope -intercept form Click here to see answer by mananth(12270)

 Question 562733: How do I write 6x+9y=27 in slope Intercept form ? Click here to see answer by mananth(12270)

 Question 562728: Find an expression for the area of a square with the given perimeter. P=(12x + 20y) in. Click here to see answer by ankor@dixie-net.com(15657)

 Question 562865: 6-3r=17. I need to solve it could u explain how to do it please? Click here to see answer by Maths68(1474)

 Question 562857: 9x + 9y. Use distributive law to factor. Click here to see answer by richard1234(5390)

 Question 563073: Find the roots of the equation 40x-80=5x^2 by Factoring.. Click here to see answer by nerdybill(6962)
 Question 563073: Find the roots of the equation 40x-80=5x^2 by Factoring.. Click here to see answer by Maths68(1474)

 Question 563108: What is a good algebra primer for high school student having some difficulty understanding solutions by substitution? Click here to see answer by Edwin McCravy(8909)

 Question 563172: The sum of two squares of two consecutive odd positive integers is130 Click here to see answer by richard1234(5390)

 Question 563183: in how manuy different ways can two clubs be drawn from a standard deck of cards Click here to see answer by stanbon(57377)

 Question 563236: An apple costs the same as 2 oranges. Together, an orange and a banana cost \$.10 more than an apple. Two oranges cost \$.15 more Ghana banana. What is the cost for one of each fruit? Click here to see answer by josmiceli(9693)

 Question 563422: I have no idea how to do algebra. I have the basic equations down, such as x-3= 5 and all of that stuff. But it's almost like every thing my teacher says, I can't understand it or work it out. I'm having really big problems with inequalities right now the most. I would really like to try to get some help. I've tried my parents, friends, older friends, and extra teacher help but algebra is my weak subject. Please help! Thank you -Erica Click here to see answer by jim_thompson5910(28595)

 Question 563442: You have 32 coins. They are all nickels and dimes. You have a total of 2.85. Write a system of equations to determine how many dimes and how many nickels you have Click here to see answer by Maths68(1474)

 Question 563498: Phil had 50 nickels and dimes worth \$4.15. How many dimes does he have. Click here to see answer by Maths68(1474)

 Question 563511: How do I solve graph and explain -6t greater than or equal to 12 Click here to see answer by jim_thompson5910(28595)

 Question 563151: Let A, B, C, be integers such that is an integer. Prove that , , are integers. Click here to see answer by richard1234(5390)

 Question 563762: 72% and 89% confirm the average is 80.5% and show you work. Click here to see answer by Tatiana_Stebko(1326)

 Question 564005: I need to find out where the equations x + 2y=1and -2x+ y=-4 intersect. I have tried and my lines are not connecting!! Click here to see answer by Alan3354(30993)

 Question 564090: what is the value of the point mention in a part a? Click here to see answer by richard1234(5390)

 Question 564428: I have to graph a line. The only coordinate is (0,0) and the slope is -1. I figured the y-intercept to be 0. How do i find another point or graph the line? Click here to see answer by stanbon(57377)

 Question 564690: Melissa has 45 coins in dimes and quarters. The total value of the coins is \$7.65. How many coins of each kind does she have? Click here to see answer by josmiceli(9693)

 Question 564698: let f(x)= e^(x^2). at how many points in the closed interval [3,-3], does the instantaneous rateof change of f equal the average rate of change of f? Click here to see answer by richard1234(5390)