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

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Question 515532: For what value of 2x^2-3x+c=0 have one and only one real root?
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Question 515702: sqrt(2y) =-6
Click here to see answer by Alan3354(69443) About Me 
Question 515702: sqrt(2y) =-6
Click here to see answer by vivi321(1) About Me 

Question 516050: Please solve this equation for me: +sqrt%28+y%2B2+%29=y+
Click here to see answer by ankor@dixie-net.com(22740) About Me 

Question 516053: Please help me to solve this equation: +x-3=+sqrt+%28+29-5x+%29+
Click here to see answer by mananth(16946) About Me 

Question 517737: Need help solving this problem..Simplify by taking roots of the numerator and denominator. Assume all variables represent positive numbers.
sqrt 9/y^2

Thanks for your help.
Robin

Click here to see answer by Earlsdon(6294) About Me 

Question 517768: please help me solve this.
Find the quotient and remainder
(x^2+8x-7)/(x-2)

Click here to see answer by richwmiller(17219) About Me 

Question 517735: Hello,
I am asking for help solving this equation. Thank you.
MULTIPLY..
%285-sqrt6%29%284%2Bsqrt6%29
Sincerely,
Robin Ruel

Click here to see answer by ankor@dixie-net.com(22740) About Me 

Question 517917: radical 6 times radical 5

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Question 518147: sqrt (80) - sqrt (245)
Click here to see answer by Earlsdon(6294) About Me 

Question 518969: Use rational exponents to simply. Write the answer in radical notation, if possible.
Can you please help me solve.
√10:(a^6)
Thanks
Robin

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Question 519442: In the right triangle, find the length of the side not given a=7 b=9
Thank you

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Question 519584: Can you please check this for me. It just does not seem right.
solve for x
4x(x-8)-5x(x-7)=-4
my answer is x=-1,4
Thank you

Click here to see answer by Alan3354(69443) About Me 
Question 519584: Can you please check this for me. It just does not seem right.
solve for x
4x(x-8)-5x(x-7)=-4
my answer is x=-1,4
Thank you

Click here to see answer by nerdybill(7384) About Me 

Question 519586: Can you please check this for me?
multiply
(4x+3)(6x^2+4x+2)
my answer 24x^3+34x^2+20x+6
I need to simplify and I am not sure if it goes any lower please help

Click here to see answer by Alan3354(69443) About Me 

Question 519573: evaluate the polynomials for x=1
3x^2-2x+3
simplify

Click here to see answer by tracyc0912(40) About Me 

Question 519585: can you please check this for me. It is part of my final
solve
(x+14)(x-19)(x+1)>0
my answer was {x|-14 < x < -1 or x > 19}
other options are
B. the solution is all real numbers
C. there is no solution

Click here to see answer by Edwin McCravy(20055) About Me 

Question 519608: add.
(4r^4-4r^3+3r^2+11r-8)+(r^5+10r^3+4r^2-3r+5)+(-7r^4+r^2-5r-8)
simplify
I have no clue how to do this and it is part of my final. Please help

Click here to see answer by Earlsdon(6294) About Me 

Question 519668: how do you solve the following:
sqrt%28x%2B4%29 + sqrt%282x-1%29 = sqrt%287x%2B1%29

Click here to see answer by tracyc0912(40) About Me 
Question 519668: how do you solve the following:
sqrt%28x%2B4%29 + sqrt%282x-1%29 = sqrt%287x%2B1%29

Click here to see answer by Edwin McCravy(20055) About Me 

Question 520357: simplify: -2√600n^2
Click here to see answer by stanbon(75887) About Me 

Question 520486: please help me find the product of +2+-+sqrt+%284%29++ .
Click here to see answer by rfer(16322) About Me 

Question 520596: If i have a radical equation with two x's in the equation how would i begin to solve the equation
Click here to see answer by edjones(8007) About Me 

Question 520741: I need help with this problem!!! I am stuck and it's a test problem!!! Thank you!
When fighting a fire, the velocity v of water being pumped into the air is modeled by the function v= √2hg, where h represents the maximum height of the water and g represents the acceleration due to gravity (32 ft/s2).
The Islip Fire Department must purchase a pump that will propel water 90 feet into the air. Will a pump that is advertised to project water with a velocity of 77 feet per second meet the fire departments need? EXPLAIN mathematically and verbally.

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Question 521319: Rationalize the denominator.
+sqrt+%28+8%2F50x%5E2y+%29

Click here to see answer by mananth(16946) About Me 

Question 521322: The equation of a line, let's call it line A, is y=-2x+3
A line with slope 1/2 is _________________________to line A
A line with slope -2 is __________________________to line A

Click here to see answer by mananth(16946) About Me 

Question 521345: Find the distance between the given pair of points. Give an exact answer and, if appropriate, an approximation to three decimal places.
(­‐9,­‐15) and (­‐11,­‐8)

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Question 521355: Find the distance between the given pair of points. Give an exact answer and, if appropriate, an approximation to three decimal places.
(­‐9,­‐15) and (­‐11,­‐8)

Click here to see answer by mananth(16946) About Me 

Question 521331: Simplify
+%281%2B+sqrt+%28x-7%29%29%5E2+

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Question 522854: How do you solve radical 3x+4 equals 8?
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Question 522928: What are the solutions to the equation: y = x^3 + 3x^2-4x-12
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Question 522953: I am having a very hard time with understanding how to come up with an answer to this word problem. During the first part of a trip, a canoeist travels 91 miles at a certain speed. The canoeist travels 21 miles on the second part of the trip at a speed 5 mph slower. The total time for the trip is 5 hrs. What was the speed on each part of the trip?
Click here to see answer by stanbon(75887) About Me 
Question 522953: I am having a very hard time with understanding how to come up with an answer to this word problem. During the first part of a trip, a canoeist travels 91 miles at a certain speed. The canoeist travels 21 miles on the second part of the trip at a speed 5 mph slower. The total time for the trip is 5 hrs. What was the speed on each part of the trip?
Click here to see answer by scott8148(6628) About Me 

Question 523319: Solve the equation by finding square roots.
+X%5E2%2B8x%2B16=9+
I got
+%28++X%5E2+%2B+8X++%29+%2B+16+=+9+
- 9 - 9
_______________________
+%28++x%5E2+%2B+8x+%29+%2B+7+%2B+16+=0+
+%28X%2B4%29%5E2+%2B+23=+0
- 23 - 23
____________________
+Sqrt+%28X+%2B+4+%29%5E2+=+-23+
X+4= sqrt -23
- 4 - 4
_______________
X +\- 4 + i sqrt 23
Is this right?

Click here to see answer by Maths68(1474) About Me 
Question 523319: Solve the equation by finding square roots.
+X%5E2%2B8x%2B16=9+
I got
+%28++X%5E2+%2B+8X++%29+%2B+16+=+9+
- 9 - 9
_______________________
+%28++x%5E2+%2B+8x+%29+%2B+7+%2B+16+=0+
+%28X%2B4%29%5E2+%2B+23=+0
- 23 - 23
____________________
+Sqrt+%28X+%2B+4+%29%5E2+=+-23+
X+4= sqrt -23
- 4 - 4
_______________
X +\- 4 + i sqrt 23
Is this right?

Click here to see answer by gsmani_iyer(201) About Me 

Question 523569: how can i change a radical number
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Question 523825: The number -30 cubed lies between what two consecutive integers?
Click here to see answer by edjones(8007) About Me 

Question 523840: Rationalize the denominator of the expression. Assume that all variables are positive.
√3 - √6
--------
√3 + √6

Click here to see answer by Alan3354(69443) About Me 

Question 524059: Please help me solve this problem.
Find the quotient -3+i divided by -4-2i

Click here to see answer by stanbon(75887) About Me 
Question 524059: Please help me solve this problem.
Find the quotient -3+i divided by -4-2i

Click here to see answer by mananth(16946) About Me 

Question 524038: (√x-√y)/(√x+√y) Help me Rationalize the denominator, please.
Click here to see answer by lwsshak3(11628) About Me 

Question 524036: Please help me solve this problem.
Simplify 3√3 divided by √3-3√2

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Question 524040: Please help me solve this problem.
The diagonal of a square measures 4 inches. What is the length of the sides?

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Question 524880: I would appreciate if someone can help me to solve this.
Simplify:
-sqrt{x^2 - 8x +16}

Click here to see answer by mananth(16946) About Me 

Question 524947: I am trying to reduce 330^264 to a # in the form of ____x10^? any suggestions on how to do this? The help that I have gotten thus far keeps saying the answer is INF, but I know it can be done. thank you!
Click here to see answer by stanbon(75887) 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, 8146..8190, 8191..8235, 8236..8280, 8281..8325, 8326..8370, 8371..8415, 8416..8460, 8461..8505, 8506..8550, 8551..8595, 8596..8640, 8641..8685, 8686..8730, 8731..8775, 8776..8820, 8821..8865, 8866..8910, 8911..8955, 8956..9000, 9001..9045, 9046..9090, 9091..9135, 9136..9180, 9181..9225, 9226..9270, 9271..9315, 9316..9360, 9361..9405, 9406..9450, 9451..9495, 9496..9540, 9541..9585, 9586..9630, 9631..9675, 9676..9720, 9721..9765, 9766..9810, 9811..9855, 9856..9900, 9901..9945, 9946..9990, 9991..10035, 10036..10080, 10081..10125, 10126..10170, 10171..10215, 10216..10260, 10261..10305, 10306..10350, 10351..10395, 10396..10440, 10441..10485, 10486..10530, 10531..10575, 10576..10620, 10621..10665, 10666..10710