Questions on Algebra: Equations answered by real tutors!

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 Algebra: Equations Solvers Lessons Answers archive Quiz In Depth

 Question 108787: 6D + 2N = 3G 9D + 4N = 6G D <= 98 N <= 60 Click here to see answer by nyro09nyro(4)

 Question 109486: Show that the numbers is rational by writing it as a quotient of two intergers. 2. 3 Any help with this equation would be GREATLY appreciated. Click here to see answer by HyperBrain(694)

 Question 108809: Find the product or quotient. Write the answer using exponents. 3^7 x 3^4 ___ 3^10 Any help with this problem would be GREATLY appreciated:) Click here to see answer by HyperBrain(694)

 Question 108807: Find the product or quotient. Write the answer using exponents. 8^8 ___ 8^6 x 8 Any help with this problem would be GREATLY appreciated:) Click here to see answer by HyperBrain(694)

 Question 109839: If I paid \$350 and used 16 bills of \$5 and \$50, write two equations to determine how many \$5. and \$50 bills i used Click here to see answer by josmiceli(9661)

 Question 109828: You have 650 coins that equal \$256.25. You only have one dollar coins and quarters. How many of each coin do you have? Click here to see answer by josmiceli(9661)

 Question 109882: Factor completely. x2 – 3x – 18 You nnned to have a set of numbers that when you multiply will give you -18 and also give you as a co- efficient of the middle number the complete factors are therefore. (x-6)(x+3) Click here to see answer by stone(1)

 Question 109947: Write the equation of the line given the two points (-2,3) and (1,1) Click here to see answer by jim_thompson5910(28504)

 Question 109998: 2/3y=60 two over three times y equals sixty I am not sure how to solve this equation, please show me step by step so that I will be able to do in the future Click here to see answer by beccadancer15(3)

 Question 110054: in a cube, how does the number of faces compare to the number of edges? what I came up with was 6f=8e what is the relationship of the number of edges and the number of vertices in a cube? Click here to see answer by BrittanyM(80)

 Question 110092: Find the sum or difference. 16. -10 7/16 - 2 3/16 Any help with this equation would be GREATLY appreciated. Click here to see answer by MathLover1(6622)

 Question 110107: One pipe can fill a pool in 9 hours. If a second pipe is used at the same time it will fill the pool in 3 hours. How long would it take the second pipe to fill the pool on it's own. Click here to see answer by Kkray93(1)

 Question 110088: Show that the number is rational by writing it as a quotient of two integers. 4. 0.37 Any help with this equation would be greatly appreciated. Click here to see answer by bucky(2189)

 Question 110165: I am stuck on this problem. I have to simplify this equation problem. 3(x-5)/4=6(x+8)/2 This is what I have so far and I don't think it is right. 2*3(x-5)=4*6(x+8) 6(x-5)=24(x+8) 6x-30=24x+192 6x-30+30=24x+192+30 6x=24x+222 6x-24x=24x+22 -18x/-18=222/-18 x=-12.33 Click here to see answer by checkley71(8403)

 Question 110167: I am stuck on this problem, and I don't think it is right. 15-(-3)(2x-9)=60 15-(-6x)+27=60 15+27+6x=60 42+6x=60 42+6x-42=60-42 6x=18 x=3 Click here to see answer by checkley71(8403)
 Question 110167: I am stuck on this problem, and I don't think it is right. 15-(-3)(2x-9)=60 15-(-6x)+27=60 15+27+6x=60 42+6x=60 42+6x-42=60-42 6x=18 x=3 Click here to see answer by solver91311(16868)

 Question 110587: Can you help me with this? 12y^2-1=44(1-y) I tried this 12y^2-1=44-44y [44+1=45] 12y^2=43-44y 12y= Click here to see answer by HyperBrain(694)
 Question 110587: Can you help me with this? 12y^2-1=44(1-y) I tried this 12y^2-1=44-44y [44+1=45] 12y^2=43-44y 12y= Click here to see answer by checkley71(8403)

 Question 110663: 3(x-2)-2x=x-6 A) 0 B) 1 c) Identity D) No solution Click here to see answer by jim_thompson5910(28504)

 Question 110684: The problem: Find two numbers whose sum is 44 and whose difference is 22 I already know the answer - I had no problem figuring it out. What I need to see is the proper way to solve it. I got the answers 33 and 11. This is how I started it: x + y = 44 x - y = 22 x = 22 + y and x = 44 - y .....what next? I plugged numbers in until I found the answer but there must be an easier way? Click here to see answer by Earlsdon(6287)
 Question 110684: The problem: Find two numbers whose sum is 44 and whose difference is 22 I already know the answer - I had no problem figuring it out. What I need to see is the proper way to solve it. I got the answers 33 and 11. This is how I started it: x + y = 44 x - y = 22 x = 22 + y and x = 44 - y .....what next? I plugged numbers in until I found the answer but there must be an easier way? Click here to see answer by solver91311(16868)

 Question 110683: The problem: Find two numbers whose sum is 44 and whose difference is 22 I already know the answer - I had no problem figuring it out. What I need to see is the proper way to solve it. I got the answers 33 and 11. This is how I started it: x + y = 44 x - y = 22 x = 22 + y and x = 44 - y .....what next? I plugged numbers in until I found the answer but there must be an easier way? Click here to see answer by stanbon(57246)
 Question 110683: The problem: Find two numbers whose sum is 44 and whose difference is 22 I already know the answer - I had no problem figuring it out. What I need to see is the proper way to solve it. I got the answers 33 and 11. This is how I started it: x + y = 44 x - y = 22 x = 22 + y and x = 44 - y .....what next? I plugged numbers in until I found the answer but there must be an easier way? Click here to see answer by scott8148(6628)

 Question 110738: Simplify the Expression 19.26/15n + (-8/15n) Any help this equation would be GREALTY appreciated. Click here to see answer by stanbon(57246)

 Question 110740: Find The Sum or Difference. 21. 7/8 + 11/12 Any help with this equation would be GREATLY appreciated. Click here to see answer by jim_thompson5910(28504)

 Question 110742: Find The Sum or Difference. 23. 5/8 - 3/4 Any help with this equation would be GREATLY appreciated. Click here to see answer by jim_thompson5910(28504)

 Question 110745: Evaluate the expression when x = - 3/8 and y = 7/12 27. x - y Any help with this equation would be GREATLY appreciated. Click here to see answer by jim_thompson5910(28504)

 Question 110744: Evaluate the expression when x = - 3/8 and y = 7/12 x + y Any help with this equation would be GREATLY appreciated. Click here to see answer by jim_thompson5910(28504)

 Question 110617: Describe the roots of the equation: 7x^2 + 2x - 3 = 0 Click here to see answer by jim_thompson5910(28504)

 Question 110743: Find The Sum or Difference. 25.-6 2/3 - 4 3/5 Any help with this equation would be GREATLY appreciated. Click here to see answer by stanbon(57246)

 Question 110741: Find The Sum or Difference. 22. -3 1/4 +(-2 2/5) Any help with this equation would be GREATLY appreciated. Click here to see answer by edjones(7569)

 Question 110807: Find the rate. 240 pounds of fertilizer 6 lawns This is supposed to be like a fraction is set up, with a line in between the two. I do not understand rates can someone please help me? Click here to see answer by Earlsdon(6287)