# 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 306805: I need help with my homework please can you explain. Find the reciprocal of the expression. 2b -------- 6b - 2 Click here to see answer by richwmiller(9143)

 Question 306864: how do you work out 4 times the square root of 2 plus 6 times the sqaure root of 50 ?? Click here to see answer by dabanfield(803)

 Question 306910: . After an accident, how do police determine the speed at which the car had been traveling? The formula can be used to approximate the speed r, in miles per hour, of a car that has left a skid mark of length L, in feet. a) Solve this equation for L. Describe your steps. b) How far will a person skid if they are driving 55mph? 100mph? c) The skid mark at an accident scene was 217.8 feet long. How fast was the person travelling? Do you suppose that they were speeding? Explain why or why not. Click here to see answer by solver91311(16897)

 Question 307213: ```How would I simplify this cubed problem? 3 ________________ \)-432x^17y^12 ``` Click here to see answer by Edwin McCravy(8909)

 Question 307350: Problem: sqrt (x+3) = -5 Attempted Solution: x+3 = 25 x=22 when checking: 5 does not equal -5 Click here to see answer by rapaljer(4667)

 Question 307410: Simplify this expression: . x cannot equal to 0 and y cannot equal to 0. Click here to see answer by jim_thompson5910(28598)

 Question 307492: x sqrt 3 -2=5x sqrt 3 I am having a mental problem and need help with this one Click here to see answer by mananth(12270)

 Question 307707: Lisa can shovel snow from her driveway in 65 minutes. Jim can do the same job in 55 minutes. How long would it take Lisa and Jim to shovel the driveway together? Click here to see answer by checkley77(12569)

 Question 307705: The speed of train A is 6 mph slower than the speed of train B. Train A travels 210 miles in the same time it takes train B to travel 240 miles. Find the speed of each. Click here to see answer by ankor@dixie-net.com(15660)

 Question 307706: To determine the number if deer in a game preserve, a conservationist catches 302 deer, tags them and lets them loose. Later, 324 deer are caught; 162 of them are tagged. How many deer are in the preserve? Click here to see answer by Earlsdon(6287)

 Question 308031: The Product of a number and the square root of three is equal to the square root of twelve. Fond the number Click here to see answer by texttutoring(324)

 Question 308053: The diagonal of a square is 7 radical 2. What is the length of each side? Click here to see answer by checkley77(12569)

 Question 308107: how to simplify 9 square root of 32 plus 8 square root of 50. I tried adding the two together and then simplifing but I am just not sure if that is what I sould do. Click here to see answer by scott8148(6628)

 Question 308442: four times the square root of the quantity of 3a+4 equals a+13. I know the answers are 7 and 15 but cannot figure out how to get them algebraically Click here to see answer by stanbon(57387)
 Question 308442: four times the square root of the quantity of 3a+4 equals a+13. I know the answers are 7 and 15 but cannot figure out how to get them algebraically Click here to see answer by JBarnum(2044)

 Question 308773: Rationalize the denominator. Assume that all expressions under the radicals represent positive numbers. - / + Thanks Click here to see answer by Fombitz(13828)

 Question 308835: Simplify 3^square root of 21 times 3^square root of 9 Click here to see answer by user_dude2008(1861)

 Question 309077: I need to solve x= sqrt x+10+2 algebraically. can you please show me how? thank you. Click here to see answer by nyc_function(2733)

 Question 309074: what are the solutions for 3+ the square root of 17 Click here to see answer by nyc_function(2733)