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

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Question 1091952: Hi could you help me out with this sum please, (2ab) squared
Click here to see answer by ikleyn(52776)

Question 1091952: Hi could you help me out with this sum please, (2ab) squared
Click here to see answer by greenestamps(13198)

Question 1092107: 3sqrt27-2sqrt27
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Question 1092647:
A new sidewalk will be 66 feet wide, 160160 feet long, and filled to a depth of 33 inches (0.250.25 foot) with concrete. How many cubic yards of concrete are needed?
Click here to see answer by ikleyn(52776)

Question 1093005: A fraction of the form 1/n (n is an element of a real number, where n is greater than 1), is called a unit fraction. Find the largest two perfect square unit fractions whose sum is also a perfect square rational number.
A) 1/49 and 1/576 B) 1/64 and 1/225 C) 1/9 and 1/16 D)1/25 and 1/144 E) 1/400 and 1/441
Click here to see answer by greenestamps(13198)

Question 1093264: 625 raises to x =25 / 5 raises to x. Find x
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Question 1093543: 1_1_1=6
4_4_4=6
9_9_9=6
Click here to see answer by greenestamps(13198)

Question 1094775: A rectangular block has a square base. The length of each side of the base is (√3 - √2)m and volume of the block is (4√2 - 3√3) cubic metre. Find the height of the block in the form (a√2 + b√3) where a and b are constants.
Click here to see answer by KMST(5328)

Question 1094824: Solve the equation x^3-9x+10=0 , expressing non-integer roots in the form c+/-d(sqrt6) , where c and d are integers.
Click here to see answer by ikleyn(52776)

Question 1094824: Solve the equation x^3-9x+10=0 , expressing non-integer roots in the form c+/-d(sqrt6) , where c and d are integers.
Click here to see answer by MathTherapy(10551)

Question 1094948: 5+∜x/∜x
Five plus fourth root of x over fourth root of x.
Rationalize the denominator and simplify.
Click here to see answer by josgarithmetic(39616)

Question 1095153: 1/16-1/16=1/2

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Question 1095195: what is radical 20 over 5

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Question 1095195: what is radical 20 over 5

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Question 1095588: Hi! I really need help with math homework. Can you please explain how much is 9c+c?I'dbe really thankful! Greetings and have lovely day!
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Question 1095735: If , what is the value of b?
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Question 1097051: what is the cube root of 68/27
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Question 1097366: The volume of s cube is 1,331 cubic feet. What is the length of one side of this cube ?
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Question 1097338: find the two square roots of each number.Round your to the nearest tenth when you can 64
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Question 1097689: Which expression is equivalent to the expression -√ 4-√ -97?
a. -2-3i
b. -2+3i
c. -4-9i
d. -4+9i
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Question 1097999:
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Question 1098187: Inverse function of f(x) = (x+3)^2
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Question 1098187: Inverse function of f(x) = (x+3)^2
Click here to see answer by Theo(13342)

Question 1098306: The square root of a number is between 18 and 19. Which of the following could be the value of that number? Select all that apply.

330

370.5

18

350

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Question 1098554: write down the square root of:-

Click here to see answer by richwmiller(17219)

Question 1098553: Write down the squares of:

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Question 1098552: write down the squares of the following:-

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Question 1098555: write down the square root of:-
a - b (a minus b)
Click here to see answer by josgarithmetic(39616)

Question 1098555: write down the square root of:-
a - b (a minus b)
Click here to see answer by ikleyn(52776)

Question 1098557: write down the reciprocal of:-
1/xy, 2f-v/fv
Click here to see answer by Theo(13342)

Question 1098724: 6^-x=6/5√6
Please help I don't understand how to do this one.
Thank you!
Click here to see answer by Fombitz(32388)

Question 1098724: 6^-x=6/5√6
Please help I don't understand how to do this one.
Thank you!
Click here to see answer by MathTherapy(10551)

Question 1098859: 1.
2.
3.
Click here to see answer by richwmiller(17219)

Question 1099004: i need to simplify this expression
√(2&y(√(6&x^(5 ) )))
Click here to see answer by ikleyn(52776)

Question 1099469: What are the three cube roots of -i. Express the roots in rectangular coordinates, and use exact values.

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Question 1100184: Find the volume of a cube, if the side is: 3a
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Question 1100439: Help me with this please
Make x the subject
t=2 symbol of pie sqrt x
g
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Question 1100436: Please help me solve this
Make x the subject
t=2pie sqrt x
g

Click here to see answer by Alan3354(69443)

Question 1100924: A stereo receiver is in a corner of a 16-ft by 8-ft room. Speaker wire will run under a rug, diagonally, to a speaker in the far corner. If 3 feet of slack is required on each end, how long a piece of wire should be purchased?
Click here to see answer by josmiceli(19441)

Question 1100913: Determine the values of the variable for which the expression is defined as a real number.
fourth root of(1-x)/(2-x)
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Question 1101256: find simplest polynomial with roots
-4, 7 and sqrt3
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Question 1101256: find simplest polynomial with roots
-4, 7 and sqrt3
Click here to see answer by greenestamps(13198)

Question 1102277: One root of is 'i'. What are the other three roots?
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Question 1102277: One root of is 'i'. What are the other three roots?
Click here to see answer by josgarithmetic(39616)

Question 1102477: Express in simplest form with a rational denominator: 21 / 2 + cube root of 6
Click here to see answer by Alan3354(69443)

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