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

Tutors Answer Your Questions about Radicals (FREE)

Question 274702: how to write an equivalent expression using radical notation for
(16a^6)^3/4
Click here to see answer by Alan3354(69443)

Question 274726: This question is in reference to adding and subtracting radical expressions:
2b SQRT^3(16b^2) + SQRT^3(128b^5) ANy help would be very much appreciated. Thank you
Sorry about weird writing of cubed squareroots, unsure how to write cubed square roots and square roots.
Click here to see answer by stanbon(75887)

Question 274882: Can you help me simply? Thanks
5 (exponent) root -1/3125
Click here to see answer by Alan3354(69443)

Question 274995: 300^3/2
Click here to see answer by user_dude2008(1862)

Question 275257: Solve for x: 4x^2-28=0
Click here to see answer by checkley77(12844)

Question 275333: simplify (radical 3+ 2)2 the second 2 is an exponent
Click here to see answer by user_dude2008(1862)

Question 275432: How would I do this problem? Express 5 over 3-√2 with a rational denominator, in simplest radical form.
Click here to see answer by jsmallt9(3758)

Question 275436: square root 6 times 3 square root 24
Click here to see answer by edjones(8007)

Question 275447: how do i solve (sqrt7 plus 5sqrt2)squared?
Click here to see answer by bobdabuildr(27)

Question 275555: Please help with the process for solving: (sq.root of 8 + 5 times sq. root of 12)(sq of 8 - 5 times sq of 12) Not sure how to type radical sign.
Thank you!
Click here to see answer by stanbon(75887)

Question 275568: multiply and simplify
sqroot 12a^2b multiply sqroot15ab^2
Click here to see answer by jsmallt9(3758)

Question 275967: I am having trouble solving this problem. It is in the book Introductory Algebra.

12/sqrt5x+6 = sqrt2x+5
Here is what I have so far.

(12/sqrt5x+2)^2= (sqrt2x+5)^2
144/5x+6 =2x+5
(5x+6)(2x+5)=144
10x^2+37x+30=144
10x^2+37x-114=0
I can't find two solutions for 10x^2+37x-114 so I'm not sure what to do.
Click here to see answer by mananth(16946)

Question 275968: Solve the equation x + 6 = √(17x + 32)
Click here to see answer by mathjames(8)

Question 275940: How do I solve this equation 2x + sqrt(x) -1 = 0 for all real numbers?
Click here to see answer by ankor@dixie-net.com(22740)

Question 276042: Suppose a temperature of -101 degrees F was recorded in Antartica and a temperature of 127 degrees F was recorded in the Sahara Desert. How many degrees warmer is 127 degrees F than -101 degrees F?
127 degrees F is _____ degrees warmer than -101 degrees F?
Click here to see answer by richwmiller(17219)

Question 276047: The list of ingredients for chocolate brownies below will make 16 brownies. Use the list to decide how much of each ingredient is needd to make 24 brownies.
?
__ cups of butter is needed
?
*Type an integer, fraction or mixed number
Ingredients
2/3 cup butter
5 ounces unsweetended chocolatye
1 1/2 cups sugar
2 teaaspoons vanilla
2 eggs
1 cup flour
Click here to see answer by richwmiller(17219)

Question 276064: 2√2 + 6√2 =
Simplify by collecting like radical terms, if possible. Type an exact answer using radicals as needed
Click here to see answer by stanbon(75887)

Question 276077: Express the number 0.0000725 in scientific notation.
Click here to see answer by josmiceli(19441)

Question 276768: The weight of an object follows this equation:
w= Cr^-2
where c is the constant, and r is the distance that the object is from the center of the earth.
Solve the equation w= Cr^-2 for r, or in other words rearrange the equation for r.
Thank you
Click here to see answer by nyc_function(2741)

Question 276767: Simplify. All variables represent nonnegative numbers.

Click here to see answer by checkley77(12844)

Question 276829: 8 to the -3/2 power
Click here to see answer by jsmallt9(3758)

Question 276411: Why is it important to simplify radical expressions before adding or subtracting?
Click here to see answer by jsmallt9(3758)

Question 277173: Here is an application problem from a chapter on adding, subtracting and multiplying radicals. Can you help?
Find the exact volume of a cube with the sides of length √3 meters.
thanks.
Click here to see answer by stanbon(75887)

Question 276413: 32x^6y^9/z^8
all under a third root sign
Click here to see answer by jsmallt9(3758)

Question 276148: multiply: 12x^4/18x^3*-8x^5/4x^2
Click here to see answer by jsmallt9(3758)

Question 276748: Please help me to evaluate this problem
(x^(1/6)x^(-3/4))^-2 x^(3/2)
^=raised to
Click here to see answer by jsmallt9(3758)

Question 277174: Here is an application problem from a chapter on radicals.
Surface area of a cube. The formula A=6V^2/3 gives the surface area of a cube in terms of its volume V. What is the volume of a cube with surface area 12 square feet?
Thanks.
Click here to see answer by jsmallt9(3758)

Question 277443: What is (2+ squareroot of 5) times (3- squareroot of 5)?
Click here to see answer by jsmallt9(3758)

Question 277631: Please help me solve this problem: 5 radical 2 (3 radical 12 minus 4 radical 2)
Click here to see answer by edjones(8007)

Question 277790: Use rational exponents to simplify, write in radical notation,
10√(a^6 )
Click here to see answer by stanbon(75887)

Question 277791: Rewrite with rational exponents
〖(√(5mn))〗^3
Click here to see answer by checkley77(12844)

Question 277763: using the equation P = 1000 sqrt(t) +2750 how many years it would take to reach 7000 given t=0
Click here to see answer by checkley77(12844)

Question 277927: Please help me simply these expressions. Thanks!!
6a)^1/2 radical sign ab / a^2b^3/2

radical sign 49 - radical sign 16

(radical sign 5 + radical sign 2)(radical sign 5 - radical sign 2)
Click here to see answer by edjones(8007)

Question 278000: Hello, I sent in this question yesterday and I did not get a response, please someone help me with this one, I would be forever greatful, thank you.
Find the following,assume that letters can represent any real number
∛(y^3 )
Click here to see answer by stanbon(75887)

Question 278016: Please help me solve these first degree equations. Thank you!
3(k � 2)-6 = 4k -(3k-1)

Click here to see answer by richwmiller(17219)

Question 278120: I need so simplify this radical and don't have the key on my computer
(xy)(6 radical sign x^5y
Click here to see answer by checkley77(12844)

Question 278118: I need to simplify this radical I don't have the key on my computer
4a^9b^7C^8
would I do something like this a=4/2 b=7/2 c= 8/2 ?
Click here to see answer by checkley77(12844)

Question 278420: A radicand with x-3 under it +(plus) a radicand with only x under it = (equal) 3
Click here to see answer by richwmiller(17219)

Question 279082: please help me to solve these roots
Click here to see answer by oberobic(2304)

Question 279485: how do you simplify the radicals of the square root of 2/3 times the square root of 18/8?
please help!!
Click here to see answer by rfer(16322)

Question 279547: the question is , "if one side of a square is 5(radical)3. what is the area of the square?"
Click here to see answer by Inkyvoyd(17)

Question 279658: (-7+√69)/2,(-7-√69)/2
These are my exact solutions, need to find approximate solution to the 3 decimals, the answers are 0.653 and -7.653, but I do not know how they come up with these decimal answers, every way I try I get something different, could you show me step by step how they come up with these decimal numbers,
Thankyou
Click here to see answer by vleith(2983)

Question 79189: Can anyone help me to simplify by combining like terms:
sqrt63 - 2sqrt28 + 5sqrt7
I appreciate any help with this radical expression.
sean32485
Click here to see answer by pandion(6)

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