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

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Tutors Answer Your Questions about Radicals (FREE)


Question 45107: Simplify assume all variables are represent positive numbers
sq root of x4y3 it was the sq root of x to 4th power y third power.

Click here to see answer by Nate(3500) About Me 

Question 45144: solve: -x^4+200=102x^2
Click here to see answer by rapaljer(4667) About Me 

Question 45321: Solve each equation by completing the sqare.
m to 2nd power-4m-32=0

Click here to see answer by tutmath(14) About Me 

Question 45324: Use quadratic formula to solve for equation
z(2z+3)=-2

Click here to see answer by fractalier(2101) About Me 

Question 45322: Find the imaginary solutions of each equation
t to 2nd power + 6t + 10 = 0

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Question 45320: Use sqare root property to solve each equations
(5t-2)2ndpowers = 12

Click here to see answer by fractalier(2101) About Me 

Question 45380: Find two consecutive positive integers such that the sum of their square is 85.
I think I start with square root of x plus the square root of x + 1 = 85.
If so then I don't know where to go from here.
Thanks for help.

Click here to see answer by fractalier(2101) About Me 

Question 45408: I am struggling with advanced Scientific Notation. I need some help as even the explanations I have printed out are not tracking for me.
POWERS AND ROOTS OF SCIENTIFIC NOTATION:
Calculate: (1*10^2)^-2


In a previous problem: (3*10^-4)^3 the answer turned out to be 2.7 * 10^-11. I have no idea how they got that.

Click here to see answer by stanbon(57282) About Me 

Question 45456: I am having trouble with this could someone explain and show me how to work this problem.
Preform the operations. Write the ansers without negative exponents. Assume that all varibles represent postive numbers.
(27x^-3)^-1/3

Click here to see answer by stanbon(57282) About Me 
Question 45456: I am having trouble with this could someone explain and show me how to work this problem.
Preform the operations. Write the ansers without negative exponents. Assume that all varibles represent postive numbers.
(27x^-3)^-1/3

Click here to see answer by AnlytcPhil(1276) About Me 

Question 45693: radical 4 times radical 11
Click here to see answer by stanbon(57282) About Me 

Question 46018: sq t+1 -sq2t = -1
Thank you, Michelle

Click here to see answer by Nate(3500) About Me 

Question 46319: i need to simplify the radical
the 3rd square root of 64/ x to the 12th power

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Question 46346: Solve
sqrt (x - 1) = x - 3

Thanks!!!

Click here to see answer by Nate(3500) About Me 

Question 46368: for each indicated sum and/or difference simplify the radicals and combine when possible

square root of 9m^2n^2 + 2 square root m^2n^2-3mn

Click here to see answer by Earlsdon(6287) About Me 

Question 46370: Solve and check solution

sqrt (2y + 7) + 4 = y

Thank You!!!

Click here to see answer by Earlsdon(6287) About Me 

Question 46372: for each indicated sum and/or difference,simplify the radicals and combine when possible
5x square root 72 + square 8x^2
a square root 125y-b square root 45y
square root 36a + square root a^4 + square root a^2b
1/3 square root 45 -1/2 square root 12 + square root 20 +2/3 square root 27
2 square root 18x^2 -3 square root 8x^2
a square root 5000b^3 +2 square root 125a^3b^2

Click here to see answer by AnlytcPhil(1276) About Me 

Question 46439: Simplify by combining like terms
x sqrt(18)- 3 sqrt (18x^2)

Thank You!!!

Click here to see answer by adamchapman(301) About Me 

Question 46435: All of my work this week is on factoring. Solve this equation:
t² + 1 = 13/6t

Click here to see answer by checkley71(8403) About Me 

Question 46659: Solve each formula for the indicated variable.

I = E/R+r solve for R

Click here to see answer by adamchapman(301) About Me 
Question 46659: Solve each formula for the indicated variable.

I = E/R+r solve for R

Click here to see answer by checkley71(8403) About Me 

Question 46667: Simplify
sqrt (20)/5 - 1/ sqrt (5)

Thank You!!

Click here to see answer by Nate(3500) About Me 

Question 46668: Simplify

(2x sqrt (2x) (3 sqrt 5x)

Thank you!

Click here to see answer by Nate(3500) About Me 

Question 46669: Simplify

a sqrt (8) - 3 sqrt (2a^2)
Thank you!!

Click here to see answer by Nate(3500) About Me 

Question 46690: simplify the radical . assume that all variables represent positive numbers.
3rd root of 343 x to the 4th power y to the 5th power

Click here to see answer by AnlytcPhil(1276) About Me 

Question 46774: Simplify

sqrt (90)/ sqrt (10)

Thank You!

Click here to see answer by adamchapman(301) About Me 

Question 46772: Solve
sqrt (y+18)= 4

Thank You!

Click here to see answer by adamchapman(301) About Me 

Question 46773: Simplify
sqrt (7) (5 sqrt (5)) - 3 sqrt (7)
Thank You!

Click here to see answer by Nate(3500) About Me 

Question 46754: Find the imaginary solutions to each equation.

3y² + 8 = 0

Click here to see answer by adamchapman(301) About Me 

Question 46886: Solve by completing the square.
x^2-10x + 25 = 0
Thanks!

Click here to see answer by tutorcecilia(2152) About Me 

Question 46888: Solve.
9x^2 = 14
Thanks!

Click here to see answer by tutorcecilia(2152) About Me 

Question 46912: Use a calculator to approximate 7 sqrt(6) + 2 sqrt(6)to the nearest hundredth.

Thanks!

Click here to see answer by tutorcecilia(2152) About Me 

Question 46920: Graph the quadratic equation after completing the given table of values. y = x^2 – 1
I need to complete a table for both x and y and then graph the points. Is there anyone who can help with this?
Thanks
x y

Click here to see answer by stanbon(57282) About Me 

Question 46913: Simplify

(7 + sqrt(3)(7 - sqrt(3)

Thank you!

Click here to see answer by stanbon(57282) About Me 

Question 46889: Factor.
12x^4 y^3 + 16x^3 y^3 -2*x^3 y^4
Thanks!

Click here to see answer by fractalier(2101) About Me 

Question 47056: A new machine takes one-third the time to complete a certain job that an old machine does. Working together they can complete the job in 8 minutes. How long would it take the old machine to complete the job if it were working alone?
Click here to see answer by Paul(988) About Me 

Question 47053: Please help
x+2= cubert(12x+8)
thank you

Click here to see answer by Nate(3500) About Me 

Question 47052: sqrt(3(x+4)= 1+ sqrt (2x=7)
Click here to see answer by Nate(3500) About Me 

Question 47046: Simplify
sqrt(7)/(100)
Thanks!

Click here to see answer by consc198(59) About Me 

Question 47264: Can someone show me how to solve this equation?
sqrt x3(power) = 27

Thanks

Click here to see answer by checkley71(8403) About Me 

Question 47611: solve:
-9(x-3)^2=-7
I am coming up with a solution of x=1 plus or minus 3 sqrt7 over -3. Is this correct?
Thanks

Click here to see answer by checkley71(8403) About Me 

Question 47497: I can not find the perimeter for this problem. Can someone help me?
Find the perimeter of the triangle.

Side = 4
Side = 5 square root sign + 3 square root sign
Base = 5 square root sign - 3 square root sign

Click here to see answer by checkley71(8403) About Me 

Question 47637: I need help with this problem and I need all the work shown so I can solve others like it. 2-y / 4+ SQrt(y) (2 minus Y over 4 plus the square root of Y) THANKS!!
Click here to see answer by gsmani_iyer(180) About Me 

Question 47785: solve: square root of 2x+5 - square root of 3x-2 = 1
Click here to see answer by checkley71(8403) About Me 

Question 47824: Show that each equattion is true by simplifying the following:

a.) 1%2F%28sqrt%28x%29%2Bsqrt%28y%29%29+=+%28sqrt%28x%29-sqrt%28y%29%29%2F%28x-y%29
b.) %28sqrt%28x%2Bh%29-+sqrt%28x%29%29%2Fh+=+1%2F%28sqrt%28x%2Bh%29%2Bsqrt%28x%29%29

can someone PLEASE help me with this? any help will be appreciated!!!

Click here to see answer by venugopalramana(3286) About Me 

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