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

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Question 538564: -5x^2=-225
Click here to see answer by Mathpassionate(25) About Me 

Question 538685: help me solve +sqrt%28x%2B4%29=x%2B2+
Click here to see answer by jim_thompson5910(35256) About Me 

Question 538704: help me solve +sqrt%286y%2B4%29%2B6=y+
Click here to see answer by jim_thompson5910(35256) About Me 

Question 538707: help me solve +sqrt%282y%2B1%29-19=0+
Click here to see answer by KMST(5328) About Me 

Question 538874: help me simplify 7 square roots of 3 divided by 2
Click here to see answer by MsRedz123(24) About Me 

Question 538928: (2x-5)^2= 81
Click here to see answer by jim_thompson5910(35256) About Me 

Question 539044: sq rt 7260 / sq. rt 3960=

Thanx.

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

Question 539258: Suppose you throw an egg vertically into the air from a height of 6 feet above the ground at an initial velocity of 46 feet per second.
h=-16t^2+46t+6 Find when the egg hit the ground.
time in seconds / height of egg
0 / ?
.5 / ?
1 / ?
1.5 / ?
2 / ?
2.5 / ?
3 / ?

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

Question 539247: Suppose you throw an egg vertically into the air from a height of 6 feet above the ground at an initial velocity of 46 feet per second.
h=-16t^2+46t+6 Find when the egg hit the ground.
time in seconds / height of egg
0 / ?
.5 / ?
1 / ?
1.5 / ?
2 / ?
2.5 / ?
3 / ?

Click here to see answer by josmiceli(19441) About Me 

Question 539264: h=-16t^2+46t+6 Find when the egg hit the ground.
time in seconds / height of egg
List ordered pairs (t,h)
0 / ?
.5 / ?
1 / ?
1.5 / ?
2 / ?
2.5 / ?
3 / ?

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

Question 539322: When dividing the two complex numbers 5+8i
----
1+2i
then the first step is?
I said 5+8i 1-2i
------ * ----
1+2i 1-2i

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

Question 539323: Hello
Find the distanct between (-7,-4) and (-5,2)
I thought 108 sqrt 3

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

Question 539475: Please help me factor the radical expression: √(x^2-x-2) thank you.

Click here to see answer by stanbon(75887) About Me 

Question 540355: Hello, I was reviewing radicals for a test tomorrow and had trouble with one question on the bonus worksheet.
It was.....
√16x^2
This would be a simple problem, but I'm dreadful at factoring and cant remember what to do with the 16x^2 or how to solve it.
Thank you so much for your time, work, and effort!!

Click here to see answer by jim_thompson5910(35256) About Me 

Question 541045: I feel like I should know this. But I'm drawing a blank. How do I "Change the following expression to an equivalent expression in radical notation. Assume that the variable is postive"?
x^2/3
Thank youu

Click here to see answer by josmiceli(19441) About Me 
Question 541045: I feel like I should know this. But I'm drawing a blank. How do I "Change the following expression to an equivalent expression in radical notation. Assume that the variable is postive"?
x^2/3
Thank youu

Click here to see answer by scott8148(6628) About Me 

Question 541279: Please help me solve and explain so I can help my son understand.
3 - 2 radical 11 / 2 + radical 11
Write the equation in simplified radical form.

Click here to see answer by AnlytcPhil(1806) About Me 

Question 541275: Factor completely
180w^2+300wf+125f^2

Click here to see answer by jim_thompson5910(35256) About Me 

Question 541378: radical 20 times radical 60
Click here to see answer by rfer(16322) About Me 

Question 541672: √10a + 2√40a^3
I can't find the instructions in my reading! I think I have to factor something, but I have no idea.

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

Question 541830: please help me solve 5p^2 + 3p- 2=0 by using the quadratic forula
Click here to see answer by Maths68(1474) About Me 

Question 542127: i need help with 5x2+11x+2
-----------
x+2

Click here to see answer by stanbon(75887) About Me 

Question 542200: What is the solution to 10=2^3sqrtx+123?
Click here to see answer by Alan3354(69443) About Me 

Question 542199: What is the solution to 10=2^3sqrtx+123?
Click here to see answer by Alan3354(69443) About Me 

Question 543047: 3+√z-10=√z+5
I need help solving radical equations please

Click here to see answer by bucky(2189) About Me 

Question 543089: how do I know when to use the conjugate when I want to rationalize an question?
Click here to see answer by solver91311(24713) About Me 

Question 543088: How do I rationalize the following √2-√11/√17+√3?
Click here to see answer by solver91311(24713) About Me 

Question 544082: simplify and add or subtract whenever possible.
2sqrt%2818%29-5sqrt%288%29-2sqrt%2812%29

Click here to see answer by JBarnum(2146) About Me 

Question 544514: the square root of 16 over x10 minus the square root of 9 over x8 =
Please help me solve this and show me step by step thank you

Click here to see answer by lwsshak3(11628) About Me 

Question 544592: simplify the fractional expression:
+sqrt%281%2B%28x%5E3+-+1%2F4x%5E3%29%5E2%29
This is the last question i have in this section an stumped on where to start. Tinking to start/:
+sqrt%281%2B%28x%5E6+-+1%2F4x%5E6%29%29
--
then
+sqrt%281%2B%28x%5E6%284x%5E6%29%2F4x%5E6+-+1%2F4x%5E6%29%29
--
next
simplify:
+sqrt%281%2B%284x%5E9+-+1%29%2F4x%5E6%29%29
---
+sqrt%284x%5E6%2F4x%5E6+%2B+%284x%5E9+-+1%29%2F4x%5E6%29%29
--
+sqrt%28%284x%5E6+%2B+4x%5E9+-+1%29%2F4x%5E6%29%29
---
What next?

Click here to see answer by friesr(113) About Me 
Question 544592: simplify the fractional expression:
+sqrt%281%2B%28x%5E3+-+1%2F4x%5E3%29%5E2%29
This is the last question i have in this section an stumped on where to start. Tinking to start/:
+sqrt%281%2B%28x%5E6+-+1%2F4x%5E6%29%29
--
then
+sqrt%281%2B%28x%5E6%284x%5E6%29%2F4x%5E6+-+1%2F4x%5E6%29%29
--
next
simplify:
+sqrt%281%2B%284x%5E9+-+1%29%2F4x%5E6%29%29
---
+sqrt%284x%5E6%2F4x%5E6+%2B+%284x%5E9+-+1%29%2F4x%5E6%29%29
--
+sqrt%28%284x%5E6+%2B+4x%5E9+-+1%29%2F4x%5E6%29%29
---
What next?

Click here to see answer by JBarnum(2146) About Me 

Question 544648: simplify the fractional expression:
+sqrt%281%2B%28x%5E3+-+1%2F4x%5E3%29%5E2%29
This is the last question i have in this section an stumped on where to start. Tinking to start/:
+sqrt%281%2B%28x%5E6+-+1%2F4x%5E6%29%29
--
then
+sqrt%281%2B%28x%5E6%284x%5E6%29%2F4x%5E6+-+1%2F4x%5E6%29%29
--
next
simplify:
+sqrt%281%2B%284x%5E12+-+1%29%2F4x%5E6%29%29
---
+sqrt%284x%5E6%2F4x%5E6+%2B+%284x%5E12+-+1%29%2F4x%5E6%29%29
--
+sqrt%28%284x%5E6+%2B+4x%5E12-+1%29%29%2Fsqrt%284x%5E6%29%29
---
+sqrt%28%284x%5E6+%2B+4x%5E12-+1%29%29%2F%282%2Aabs%28x%5E3%29%29%29%29%29
--
Where do i go from here. Assuming i have done it correctly so far.

Click here to see answer by friesr(113) About Me 

Question 544861: CANT FIND THE SQUARE ROOT SYMBOL ON MY COMPUTER SO I WILL TYPE OUT THE QUESTION WHAT IS THE SQUARE ROOT OF 36X TO THE SIX POWER: IS IT 6X TO THE SIX POWER

Click here to see answer by saifoo.khan(162) About Me 
Question 544861: CANT FIND THE SQUARE ROOT SYMBOL ON MY COMPUTER SO I WILL TYPE OUT THE QUESTION WHAT IS THE SQUARE ROOT OF 36X TO THE SIX POWER: IS IT 6X TO THE SIX POWER

Click here to see answer by fcabanski(1391) About Me 
Question 544861: CANT FIND THE SQUARE ROOT SYMBOL ON MY COMPUTER SO I WILL TYPE OUT THE QUESTION WHAT IS THE SQUARE ROOT OF 36X TO THE SIX POWER: IS IT 6X TO THE SIX POWER

Click here to see answer by oberobic(2304) About Me 

Question 544892: I'm Home schooled and need help.
What is The sqrt of 18 minus the sqrt of 3 divided by the sqrt of 6?
Thank You.

Click here to see answer by parthdesai27(11) About Me 

Question 544910: x-3= square root x-1
Click here to see answer by stanbon(75887) About Me 

Question 544544: Using Radical Operations In Real Life
Triangle # 1
6 inch (Left)/__\Hypotenuse=x (right side)
9 inch (bottom)
Triangle # 2
7 inch (left) /__\Hypotenuse=x
7 inch(bottom)
1)Using the Pythagorean theorem, find the length of each hypotenuse. Write the
length of each hypotenuse using radicals ( i.e. n√x ). (Show your work).
1)
2)
2) Without converting the hypotenuse lengths to a decimal, find the area of a
rectangle with a length equivalent to Hypotenuse #1 and a width equivalent to
Hypotenuse #2. Express your answer using radicals.
3) Find the ratio of Hypotenuse #1 to Hypotenuse #2. Express your answer using
radicals

Click here to see answer by KMST(5328) About Me 

Question 545101: I Need Help Step By Step Please. (-----)= division symbol
√a+√b
---------
√a-√b

Click here to see answer by saifoo.khan(162) About Me 
Question 545101: I Need Help Step By Step Please. (-----)= division symbol
√a+√b
---------
√a-√b

Click here to see answer by jim_thompson5910(35256) About Me 

Question 545140: (5x squared times the cubed root of 3y to the 5th) times (7x squared times the cubed root of 9y)
Click here to see answer by saifoo.khan(162) About Me 
Question 545140: (5x squared times the cubed root of 3y to the 5th) times (7x squared times the cubed root of 9y)
Click here to see answer by MathTherapy(10552) About Me 

Question 545161: Please I need help with this question it says that i have to use rational exponents to simplify 3 over the radical sign and x^9 under the radical sign. I am really confused please help thank you.
Click here to see answer by saifoo.khan(162) About Me 

Question 545264: 2. The equation D=1.2square root h ,gives the distance, D, in miles that a person can see to the horizon from a height, h, in feet.
a. Solve this equation for h.
b. Long’s Peak in Rocky Mountain National Park, is 14,255 feet in elevation. How far can you see to the horizon from the top of Long’s Peak? Can you see Cheyenne, Wyoming (about 89 miles away)? Explain your answer.

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

Question 545483: I Need Help ASAP PLEASE. Thx
√5+1
-------
√5-1

Click here to see answer by Alan3354(69443) 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