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

Tutors Answer Your Questions about Radicals (FREE)

Question 1135098: 800=8*10power8*x-3\2
Click here to see answer by Alan3354(69443)

Question 1135385: Explain why the first step in solving the equation √(x+7)-√x=1 is not to square each side of the equation. Then what is the first step? DO NOT SOLVE THE EQUATION.

Click here to see answer by MathLover1(20849)

Question 1135384: Use your calculator to find a decimal approximation to THREE decimal places of both5/√2 and 5√2/2 How similar are they? Why are they either very similar or pretty different?

Click here to see answer by Alan3354(69443)

Question 1135383: Write two or three sentences that compares adding two radical expressions for example. compare the addition of
7y+9y to the addiction of 7√y+9√y

Click here to see answer by MathLover1(20849)

Question 1135478: Let V represent the volume of a cylinder, h represent its height, and r represent its radius. V, h, and r are related according to the formula
r=√v/πh

a)A cylindrical soup can has a volume of 281rin3 It is 7in high. What is the radius of the can?

b)Solve the equation for V.

Click here to see answer by ikleyn(52781)

Question 1135476: The speed of sound is proportional to the square root of the air temperature in still air. The speed of sound is given by the formula.
Vs=20√T+273
where Vs is the speed of sound in meters/second and
T is the temperature of the air in Celsius.
a)What is the speed of sound when the temperature is - l7°C (about l°F)?
b)What is the speed of sound when the temperature is 16°C (about 61°F)?
c}What happens to the speed of sound as the temperature increases?
d) Solve the equation for T.

Click here to see answer by ikleyn(52781)

Question 1136189: can you show me the steps to answer \sqrt(512k^(2))
Click here to see answer by MathLover1(20849)

Question 1137352: What is the square root of 343b and show me steps pleases
Click here to see answer by ankor@dixie-net.com(22740)

Question 1137769: I'm very confused on where to begin to solve this. Can someone please help?
Use a calculator to graph the function. Then, using the graph, give three points on the graph of the inverse with the y-coordinates given.
f(x) = x^4 + 5x + 2, −1 ≤ x ≤ 1, y = −1, 0, 1
y=-1 (x, y)=
y=0 (x, y)=
y=1 (x, y)=

Click here to see answer by MathLover1(20849)

Question 1137770: Use a calculator to graph the function. Then, using the graph, give three points on the graph of the inverse with the y-coordinates given.
f(x) = x4 + 5x + 2, −1 ≤ x ≤ 1, y = −1, 0, 1
y=-1. (x, y)=
y= 1. (x, y)=

Click here to see answer by MathLover1(20849)

Question 1137939: -5 square root 36m
Click here to see answer by ikleyn(52781)

Question 1137939: -5 square root 36m
Click here to see answer by Alan3354(69443)

Question 1138493: How do I put square roots on a number line between -3 and 6?

Click here to see answer by Alan3354(69443)

Question 1139416: Please explain: find all real solutions.
√(3x+1 )= 4
Click here to see answer by adamsmith9037(4)

Question 1140676: express 72/2cm as a fraction of 6cm
Click here to see answer by Alan3354(69443)

Question 1143010: Find a cubic function with the given zeros.
Square root of seven., -Square root of seven., -4
Click here to see answer by math_helper(2461)

Question 1143196: 1/^2+1 - 1/^2-1

Click here to see answer by ikleyn(52781)

Question 1143621: What Examples I can apply in real life with
Laws of Radicals and Simplifying Radicals

Thanks

Click here to see answer by ikleyn(52781)

Question 1147805:
Click here to see answer by Alan3354(69443)

Question 1147806: 4(5sqrt27)/5(sqrt 3)
Click here to see answer by greenestamps(13200)

Question 1149128: I need help with solving applications using radical equations.
A guy wire on the pole supporting a wind turbine is 30 meters long and is attached to the pole at a height of 25 meters above the ground. How far from the base of the pole will the guy wire be anchored into ground?
Click here to see answer by Boreal(15235)

Question 1149708: Add or subtract, as indicated. Assume all variables represent positive real numbers.
A. =
(Type an exact answer, using radicals as needed.)
B. The expression cannot be simplified.

Note: I tried applying the radical rule and using prime factorization to get , but the answer is wrong.

Click here to see answer by ikleyn(52781)

Question 1149798: The radical √((82+(sqrt3360)) can be expressed as sqrt(a) + sqrt(b), where a
Click here to see answer by ikleyn(52781)

Question 1150081: Given that (https://imgur.com/a/BOYN5DV), where a,b > 0, find the rational number x.
The diagram in the equation represent an equation which I couldn’t write on my computer.
Click here to see answer by ikleyn(52781)

Question 1150082: Find the value of x that makes the following equation true:
Equation: https://imgur.com/a/jiqbd9p
Click here to see answer by ikleyn(52781)

Question 1150082: Find the value of x that makes the following equation true:
Equation: https://imgur.com/a/jiqbd9p
Click here to see answer by jim_thompson5910(35256)

Question 1150236: 8^2x+1 - 4^3x+1
Click here to see answer by ikleyn(52781)

Question 1150235: 6^x + 6^x+1
Click here to see answer by ikleyn(52781)

Question 1100781: When changing an exponential expression, power of n square of X to the power of m the index of the radical, n, becomes the _____________ of the rational exponent
Click here to see answer by Edwin McCravy(20055)

Question 1150798: What is the negative reciprocal of the sum of all values of x that satisfy the equation (x-√(x+1))/(x+√(x+1))=11/5?
Click here to see answer by ikleyn(52781)

Question 1150798: What is the negative reciprocal of the sum of all values of x that satisfy the equation (x-√(x+1))/(x+√(x+1))=11/5?
Click here to see answer by MathTherapy(10552)

Question 1151032: root{x+1} + root of (2x-3} =4.find x
Click here to see answer by MathLover1(20849)

Question 1151081: Is 2 square root of 7 irrational?
Click here to see answer by math_helper(2461)

Question 1151091: What is the cojugate of the number -3+sq.rot 10
Click here to see answer by ikleyn(52781)

Question 1151148: Given that x and y are integers and sqrt (8 √11 +27) = y- sqrt(x-2y), find -y^x.
Click here to see answer by ikleyn(52781)

Question 1151183: Evaluate sqrt(y/x), where x and y are positive integers, and 0 = x^5-(x^3)(y^3)-12393.
Click here to see answer by greenestamps(13200)

Question 1151181: Given that x and y are integers and
, , find
Click here to see answer by Edwin McCravy(20055)

Question 1151253: Evaluate https://imgur.com/a/VNO3CQS
Equation was to complicated to write.
Click here to see answer by MathLover1(20849)

Question 1151253: Evaluate https://imgur.com/a/VNO3CQS
Equation was to complicated to write.
Click here to see answer by greenestamps(13200)

Question 1151253: Evaluate https://imgur.com/a/VNO3CQS
Equation was to complicated to write.
Click here to see answer by ikleyn(52781)

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