Questions on Algebra: Square root, cubic root, N-th root answered by real tutors!

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Question 730260: Simplify by rationalizing the denominator. a/sqrt10+sqrt2
Click here to see answer by lynnlo(4176)

Question 731576: hi my names jessie,
im doing homework rite now and i need someones help here is the problem:
SIMPLIFY 4 and then rite next to it is 5 in the square root sign + the square root of five
Click here to see answer by josmiceli(19441)

Question 732028: between what two numbers is ^3√40 equal to? (3rd power square root 40)

Click here to see answer by Alan3354(69443)

Question 731942: You learned in your science class that the approximate distance(in feet)that an object falls when dropped to earth can be determined by the formula d=16t^2,where t is the time (in seconds).
You were about to hang one of your shirts on the clothsline found at the rooftop of your building but air blew it and it fell on the ground.
a.If the distance of the rooftop from the ground is 64 ft,how long did it take for your shirt to reach the ground?
b.If your shirt took three minutes to reach the ground,what is the distance of the rooftop from the ground?
Use the formula d=16t^2 to find the solution of the two given problems.

Click here to see answer by lynnlo(4176)

Question 732701: Im not sure what is the square root of 147

Click here to see answer by Alan3354(69443)

Question 732701: Im not sure what is the square root of 147

Click here to see answer by solver91311(24713)

Question 733715: How do I find the square root of 16 without using a calculator? So far, I know that 4x4 =16.
Click here to see answer by lynnlo(4176)

Question 733824: what are all of the square roots of 100:

Click here to see answer by Edwin McCravy(20055)

Question 734378: Find two roots of (x-30^2=25 without changing (x-3)^2 to a trinomial.
Click here to see answer by stanbon(75887)

Question 734375: solve the equation: x - 2 sqrt of x = 8
Click here to see answer by nerdybill(7384)

Question 734430: square root of 5 (3 square root of 5+square root of 2)

Click here to see answer by lynnlo(4176)

Question 735632: What is the square root of 3 minus the square root of 6 over the square root of 3 plus the square root of 6.
Click here to see answer by solver91311(24713)

Question 735817: The average time it takes the computer to execute one instruction is measured in picoseconds. There are 3.6 * 10^15 picoseconds per hour. What fraction of a second is a picosecond ?
Please respond as soon as possible this problem is due tomorrow, thank you for your time!

Click here to see answer by Alan3354(69443)

Question 736035: what is the square root of 3 times the cube root of nine? 3 to the 1/2 times 9 to the 1/3? I don't see how the exponents are manipulated to yield the answer 9 to the 7/12!
Click here to see answer by htmentor(1343)

Question 736227: 2 square root of 8
2 2 radical 2
but then what?
Click here to see answer by Alan3354(69443)

Question 736492: Please show work-
(1.2)2 + (2.8)2= 9.28(2)=3.1 I am not sure how to compute 9.2 sq to equal 3.1

Click here to see answer by stanbon(75887)

Question 736506: Please show work.
(1.2)sq root + (2.8)sq root =3.1. How do yu calculate to get the answer 3.1This is what i did
1.2 x1.2= 1.44
2.8 x 2.8 = 7.84
1.44 + 7.84 = 9.28
here is where i am not sure how to get to the answr which is 3.1

Click here to see answer by josgarithmetic(39617)

Question 736752: What is the fifth root of -1-i
Click here to see answer by Alan3354(69443)

Question 737082: Hello, I need to know what is the square root of 36. I really don't understand how to solve this math problem.
Click here to see answer by josgarithmetic(39617)

Question 737371: Please help me solve
(4x)^2 + sqrt(2x+3) = 8x + 1
Thanks a lot, i'm really appreciate your help!
Click here to see answer by stanbon(75887)

Question 737606: I am dying here!!
I have negative three-fifths cubed. The other one that I'm stuck on is the fourth root of 256 over 81. I am not good at math.
Click here to see answer by josgarithmetic(39617)

Question 738388: sqrt(2x+3)-sqrt(x+1)=1
Click here to see answer by MathLover1(20849)

Question 739215: Please help me solve this equation: I cant get a single value for x is it even possible?
Click here to see answer by richwmiller(17219)

Question 739215: Please help me solve this equation: I cant get a single value for x is it even possible?
Click here to see answer by MathLover1(20849)

Question 739524: distance between (-2,-1) and (3,4)
Click here to see answer by jim_thompson5910(35256)

Question 739760: I don't know how to solve this. b^2-5=-8 What is the square root if it can't be negative?
Click here to see answer by Edwin McCravy(20055)

Question 739957: I need help! what does x to the power of minus 3 equal? and how do i work it out?!
Click here to see answer by josmiceli(19441)

Question 740065: thirty times the square root of a non zero number is equal to 8 times the number.

Click here to see answer by MathLover1(20849)

Question 740163: what is the square root of 600a over 4b cubed? and can you please show the work so i can see how you got the answer? please and thank you.
Click here to see answer by rothauserc(4718)

Question 741952: 8 devided by the square root of 3
Click here to see answer by stanbon(75887)

Question 742662: 5/sqrt( 10x )
Please help me rationalize the denominator to simplify this! Can you tell me how? I answered the question and already got it wrong, I am just reviewing. Thank you so much I REALLY appreciate it!
Click here to see answer by stanbon(75887)

Question 743127: Simplify Square root of 45k^7q^8
Click here to see answer by checkley79(3341)

Question 743350: Trying to solve 2*sqrt(x-3)=6
tried squaring both sides and came up with 2*x-3 = 6^2
that divided out to X=21
tried checking the answer but it does not work.
Is this equation not solvable?
Thank you..
Click here to see answer by mananth(16946)

Question 743514: Solve by the square root property
25(y+5)^2=81

Click here to see answer by tommyt3rd(5050)

Question 744346: What is the solution of the equation?

Click here to see answer by richwmiller(17219)

Question 744348: What is the solution of the equation?

Click here to see answer by Alan3354(69443)

Question 746042: I have to solve the formula for volume of a cylinder where d=square over 4v divided by symbol pie and h?
Click here to see answer by Alan3354(69443)

Question 746746: how do you solve the multiplication of the square root 125 times the square root of 125

Click here to see answer by Cromlix(4381)

Question 746927: Please solve this problem ASAP. I have a test tomorrow and I am doing extra practice to prepare. I completed this problem, but I am unsure if I did it correctly. Thanks in advance for helping me. Complete the square of the following problem: 2x^2 - 4x - 3 = 0
I got the answer: x = 1 +/- sqrt5/2
*+/- = positive negative
*sqrt = square root
Thanks again in advance.
Click here to see answer by jim_thompson5910(35256)

Question 746932: Please solve this problem ASAP. I have a test tomorrow and I am doing extra practice to prepare. I completed this problem, but I am unsure if I did it correctly. Thanks in advance for helping me. Complete the square of the following problem: 2x^2 = 4x - 5
I got the answer: x = 1 +/- i sqrt3/2
*+/- = positive negative
*sqrt = square root
*i = fake number system was used
Thanks again in advance.
Click here to see answer by josgarithmetic(39617)

Question 746947: how to find the root of 1
Click here to see answer by checkley79(3341)

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