# Questions on Algebra: Radicals -- complicated equations involving roots answered by real tutors!

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 Algebra: Radicals -- complicated equations involving roots Solvers Lessons Answers archive Quiz In Depth

 Question 117269: this is a fraction problem numorator is 4 denominator -2+sqrt7 Click here to see answer by jim_thompson5910(28715)

 Question 117492: How might you apply a radical expression in everyday life? Dicuss the situation and how the equation might look like. I am having a difficult time coming up with an example. Please help it is due Dec. 18 Click here to see answer by solver91311(17077)

 Question 117419: I seriously cannot figure this one out!! I don't know what I'm doing wrong! Simplify and rationalize the denominator Radical X^2+11 = 2radical 3X Does anyone else get it? Click here to see answer by ankor@dixie-net.com(15746)

 Question 117924: Hello, can you please help me understand step by step how to divide this kind of problem: Divide: 2x^2+5x-12 over 9x^2 divided by 2x^2-7x+6 over 3x^2-x-4 To my understanding, we are to rewrite the problem as multiplication, and then factor out the polynomials. When I did this, my answer was incorrect and I am not sure what the correct steps to take are. Any help is greatly appreciated. Thank you Patti Click here to see answer by jim_thompson5910(28715)

 Question 117925: Can you please explain how this problem is solved in detailed steps? My directions say to perform the indicated operations: √[50] + 2√[32] – √[8] I am confused, because I thought the square root of an answer was two numbers that multiply together to get that number? I am completely lost with this, detailed step by step directions would be greatly appreciated. Thank you Patti Click here to see answer by jim_thompson5910(28715)

 Question 118145: I am completely lost Rationalize the Denominator 2/"square root of 6" - "square root of 5" Thank you very much for your help. Click here to see answer by jim_thompson5910(28715)

 Question 118200: I'm trying to solve the following equation: The square root of [x+10] plus the square root of [x-6] equals 8. I tried squaring both sides, and that eliminates some radicals, but it also creates some more! Click here to see answer by ankor@dixie-net.com(15746)
 Question 118200: I'm trying to solve the following equation: The square root of [x+10] plus the square root of [x-6] equals 8. I tried squaring both sides, and that eliminates some radicals, but it also creates some more! Click here to see answer by bucky(2189)

 Question 118403: Find the distance between each pair of points (-3, 0)and (4, 0) Just double checking my answers. I came up with two different answers and I dont know which one is right. One answer is c = square root of 1 2nd answer is d = square root of 7 Click here to see answer by scott8148(6628)

 Question 118406: Word Problem: The insulation comes in 40cm wide rolls that are cut to fit between the rafters in the attic. The roof is 7m from peak to eave and the attic space is 3m high at the peak, how long does each piece of insulation need to be? Round to the nearest tenth. 40^2=7^2+3^2 Am I using the right formula in order to solve this problem? Click here to see answer by ankor@dixie-net.com(15746)

 Question 118476: how would I do the problem of: The square root of 21x^3 multiplied by the square root of 3x^2 ? thankyou!! Click here to see answer by stanbon(57967)

 Question 118506: 1. One half of a number is 3 more than one sisxth of the same number. What is the number? 2. The denominator of a certain fraction is three times the numerator. If one is added to the numerator and subtracted from the denominator, the result equals 1/2. Find the original fraction. 3. The denominator of a fraction is 5 more than the numerator. If 5 is added to the numerator and 2 is added to the denominator, the value of the fraction is 8/9. Find the original fraction. 4. The numerator is one less than the denominator. If two is added to the denominator and subtracted from the nomerator, the value of the fraction is 1/2. Find the original fraction. 5. Ed can do a job in four days. When Ed and Maymay work together, it would take them 2 1/3 days. How long would the job take Maymay to do it alone? 6. A cold water faucet could fill a sink in 15 minutes, and a hot water faucet can fill it in 12 minutes. The drain can empty the sink in 25 minutes. If both faucet are on and the drain is open, how long would it take to fill the sink? 7. Julius can paint a house three times faster than Ruben. Working together, they can paint a house in four days. How long would it take the faster painter if he works alone? Click here to see answer by solver91311(17077)
 Question 118506: 1. One half of a number is 3 more than one sisxth of the same number. What is the number? 2. The denominator of a certain fraction is three times the numerator. If one is added to the numerator and subtracted from the denominator, the result equals 1/2. Find the original fraction. 3. The denominator of a fraction is 5 more than the numerator. If 5 is added to the numerator and 2 is added to the denominator, the value of the fraction is 8/9. Find the original fraction. 4. The numerator is one less than the denominator. If two is added to the denominator and subtracted from the nomerator, the value of the fraction is 1/2. Find the original fraction. 5. Ed can do a job in four days. When Ed and Maymay work together, it would take them 2 1/3 days. How long would the job take Maymay to do it alone? 6. A cold water faucet could fill a sink in 15 minutes, and a hot water faucet can fill it in 12 minutes. The drain can empty the sink in 25 minutes. If both faucet are on and the drain is open, how long would it take to fill the sink? 7. Julius can paint a house three times faster than Ruben. Working together, they can paint a house in four days. How long would it take the faster painter if he works alone? Click here to see answer by ankor@dixie-net.com(15746)

 Question 119046: I know the limit is four a day, but I really am having trouble understanding radicals. Any help would be greatly appreciated. Thanks so much!!! Click here to see answer by jim_thompson5910(28715)

 Question 119127: Find the indicated root 3rd (cubed) root of -27n27 Click here to see answer by jim_thompson5910(28715)

 Question 119146: Enter the simplified form of square root of 300 Click here to see answer by jim_thompson5910(28715)

 Question 119145: Enter the simplified form of square root of 55 Click here to see answer by jim_thompson5910(28715)

 Question 119144: Enter the simplified form of square root of 75 Click here to see answer by jim_thompson5910(28715)

 Question 119147: Show your steps in simplifying the radical expression. Make sure to follow the pattern shown in the examples 3 cubed of square root of 45 Click here to see answer by jim_thompson5910(28715)