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

Tutors Answer Your Questions about Radicals (FREE)

Question 306465: Can you please help me solve the following equation. I have a big quiz tomorrow that determines whether or not I go to summer school and I would like to pass it. Please Help Me!!
Click here to see answer by richwmiller(9143)

Question 306808: Please help me solve this radical .
Click here to see answer by CharlesG2(828)

Question 306828: What does it mean for two radicals to be like radicals? Example
Click here to see answer by Fombitz(13828)

Question 306828: What does it mean for two radicals to be like radicals? Example
Click here to see answer by nyc_function(2733)

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 307161: use rational exponents to write ^3√5*^4√3 as a single radical expression.
Click here to see answer by jim_thompson5910(28598)

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 307612: Multiply
(2sqrt3 - 4sqrt2) (3sqrt3 + 6sqrt2)
Click here to see answer by rapaljer(4667)

Question 307662: Find LCM of (3+5v), (9-25v^2), and (3-5v)
Click here to see answer by checkley77(12569)

Question 307662: Find LCM of (3+5v), (9-25v^2), and (3-5v)
Click here to see answer by rapaljer(4667)

Question 307718: the square root of x^2=5
Click here to see answer by jim_thompson5910(28598)

Question 307718: the square root of x^2=5
Click here to see answer by checkley77(12569)

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 307840: w=cr^-2
solve for r
Click here to see answer by nyc_function(2733)

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 308220: square root of 49
Click here to see answer by edjones(7569)

Question 308254: please help me solve this equation
3+2x sqrt3=5
Click here to see answer by mananth(12270)

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 308475: 3√10 x 2√2
Click here to see answer by edjones(7569)

Question 308476: Please help me simplify this radical expression: cube root of 27xy^3
Click here to see answer by rapaljer(4667)

Question 308547: Multiplying and dividing rational expressions.
Click here to see answer by rapaljer(4667)

Question 308585: Solve.
9x^4-18x^2+5=0
Simplify your answer. Type an exact answer,using radicals as needed. Rationalize all denominators.
Thank you!
Click here to see answer by stanbon(57387)

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)

Question 309129: i need your help on rewriting a equation in standard form y=2(x-1)^2+5
Click here to see answer by Fombitz(13828)

Question 309241: What are the laws of exponents?
Click here to see answer by straight C+'s(8)

Question 309241: What are the laws of exponents?
Click here to see answer by stanbon(57387)

Question 309275: How do you simplify Radical expressions?
Click here to see answer by solver91311(16897)

Question 309281: Solve.
=x+9
x=?
Thank You!
Click here to see answer by Fombitz(13828)

Question 309308: root(3,(729x^8/(y^3)))
Click here to see answer by mananth(12270)

Question 309277: Simplify. Sorry, I'm not exactly sure how to write it on here.
root:5:

Thank you.
Click here to see answer by Earlsdon(6287)

Question 308324: how to solve sqrt(3x+4) - sqrt(2x-4) =2
Click here to see answer by Alan3354(30993)

Question 309718:
³√a^4/125
Click here to see answer by stanbon(57387)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840, 6841..6885, 6886..6930, 6931..6975, 6976..7020, 7021..7065, 7066..7110, 7111..7155, 7156..7200, 7201..7245, 7246..7290, 7291..7335, 7336..7380, 7381..7425, 7426..7470, 7471..7515, 7516..7560, 7561..7605, 7606..7650, 7651..7695, 7696..7740, 7741..7785, 7786..7830, 7831..7875, 7876..7920, 7921..7965, 7966..8010, 8011..8055, 8056..8100, 8101..8145