# Questions on Algebra: Equations answered by real tutors!

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 Algebra: Equations Solvers Lessons Answers archive Quiz In Depth

 Question 55585: I know the answer to this problem is 28 however I am having trouble writing an equation for a day care received a new sandbox.the perimeter is 84 ft and the lenght is twice as long as the width.what is the lenght of the sandbox? Click here to see answer by Genius(17)
 Question 55585: I know the answer to this problem is 28 however I am having trouble writing an equation for a day care received a new sandbox.the perimeter is 84 ft and the lenght is twice as long as the width.what is the lenght of the sandbox? Click here to see answer by Earlsdon(6294)

 Question 55605: twice the greater of two consecutive odd integers is 13 less than three times the lesser. find the number define a variable write equation solve can you show me how to do this problem please? Click here to see answer by pwac(253)

 Question 55663: The greatest temperature variation recorded during a day was 100 degrees in the year1916. If the low temperature was -56F what was the high temperature? Click here to see answer by stanbon(57984)

 Question 55719: There are 13 more nickels than dimes and it equals 3.20 Click here to see answer by stanbon(57984)

 Question 55815: Solve and check. 1s+s-6/2/3=4/1/3. I get the answer 5.5, but how do you check it. Click here to see answer by funmath(2925)

 Question 55897: I apologize but I do not have much information on the problem - it is for a 9th grade student and I have been out of school for a really long time and do not remember how to do algebra. The problem is: 4/5x-7=21+9/10x Click here to see answer by funmath(2925)

 Question 55950: -4-(3+6m)=1/2(4+2m) Not in a text book. Not sure what to do when you subtract for the distributive property Im used 2 multiplication equations. Can you show all steps to help me? Click here to see answer by Hook(36)

 Question 55974: Not in text book. Can you work this equation so i can see the steps you took in working it? I worked this equation and came up with Y-10 but it does not check. What step am i doing wrong? 7y-2(3-y)=4(y=1) This is how i worked it 7y - 2(3-y)=4(y+1) 7y - 6 - 2y= 4y+4 5y - 6 =4y+4 4y 4y 1y - 6 =+4 +6 +6 y=10 What am i dong wrong? Thanks i really appreciate your help Click here to see answer by Hook(36)

 Question 55979: 1/5(10x-15)=1/4(8-4x)+4 This is not in a text book. I worked it an came up with X-1/3. Is this correct? I want to make sure i'm doing it correct? Thanks a lot Click here to see answer by rapaljer(4667)

 Question 56006: Evaluate. 4 • 22 – 8 • 2 Evaluate. (–3)2 – 17 Click here to see answer by Lacey020991(49)

 Question 56010: Evaluate b2 – 2bc + c2 if b = 3 and c = –2. Click here to see answer by tutorcecilia(2152)

 Question 56099: Can you help me with this equation. My son came up with the wrong answer and when i used the problem solver it was way to complicated and a different way than what my son was doing. We don't understand how the problem solver came up with his answer. I know the answer is x4 though. Can you show me the steps so i can see where he did it wrong? 5-3(4-2X)=4(x-3)-3 Click here to see answer by funmath(2925)

 Question 56107: V=1/3pir2h; solve for h pi(in the equation) is pie 3.14. Not sure how to enter that in this system. thanks Click here to see answer by tutorcecilia(2152)
 Question 56107: V=1/3pir2h; solve for h pi(in the equation) is pie 3.14. Not sure how to enter that in this system. thanks Click here to see answer by funmath(2925)

 Question 56138: How do you solve a problem like 3-4q=10q+10? Click here to see answer by funmath(2925)

 Question 56151: Represent the following integers on a number line. 4, –2, –5, 6, –4 Click here to see answer by funmath(2925)

 Question 56150: Evaluate. 4 • 2^2 – 8 • 2 Click here to see answer by Cintchr(481)

 Question 56314: I am suppose to solve the followin: In a right triangle one side is one unit longer than the other side and the perimeter is 12 feet. Find the length of the hypotenuse. I am confused, please help! Lackinmath Click here to see answer by venugopalramana(3286)

 Question 56326: These data represent the population of a certain city. Year Population (in thousands) 1950 18 1960 23 1970 29 1980 32 1990 38 2000 42 (a) Draw a line graph for the data. (b) Use the line graph to predict the population in the year 2010 Click here to see answer by stanbon(57984)

 Question 50990: I need to write an equation to this problem The perimeter of a triangle is 51 cm. The longest side is twice the length of the shortest side. The third side is 3 com longer than the shortest side. What is the length to each side? Click here to see answer by stanbon(57984)

 Question 56383: given the function f(x)=-4x^2-1, identify the value of f(-2). I am not sure how to do this? Click here to see answer by Cintchr(481)

 Question 56382: Is the relation {(3,2), (1,-2), (-2,2), (-5,8)} a function? I said "Yes", but now I am worndering because of the (-2,2)? does this make it not a function? Click here to see answer by Cintchr(481)

 Question 56402: This equation is not in the textbook. Could some one work this so I can check my son's answer. He got X=-11 would you show the steps for me so i can check how he worked it? 7(x-1)+5=2(3-4x)+7 Click here to see answer by Lacey020991(49)
 Question 56402: This equation is not in the textbook. Could some one work this so I can check my son's answer. He got X=-11 would you show the steps for me so i can check how he worked it? 7(x-1)+5=2(3-4x)+7 Click here to see answer by checkley71(8403)