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

Tutors Answer Your Questions about Radicals (FREE)

Question 938273: Please solve the following: if x=3+2*root2 then what is x-1/x?
Click here to see answer by josgarithmetic(39616)

Question 939085: I have the following and this is what I came up with.
27^-2/3
27^-1/3
= 27^-2/3 - -1/3 = 27-3/3 = sqrt 27
is the above correct?

Click here to see answer by ewatrrr(24785)

Question 939138:
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Question 939141: Diagonal Distance
The distance d between opposite corners of a rectangle room with length l & width w is given by d=
How far is it between opposite corners of a living room that measures 10 by 15 feet?
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Question 939147:
_____________

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Question 939150: 1. 81^1/4
2. 27^2/3
3. 25^3/2
4. 16^3/4

Click here to see answer by srinivas.g(540)

Question 939150: 1. 81^1/4
2. 27^2/3
3. 25^3/2
4. 16^3/4

Click here to see answer by MathLover1(20849)

Question 939152: a^3/4b^2
________
a^7/8b^1/4
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Question 940402: please help me solve this problem: 6 radical 18 plus 3 radical 50
Click here to see answer by Fombitz(32388)

Question 941452: how do you find the radical the radical form of (b^13/b^8)^2/11

Click here to see answer by jim_thompson5910(35256)

Question 941522: A square has an area of 72 square inches. What is its side length "s"?
Give answer using simplified radicals.
Any feedback would be appreciated. Trying to help my daughter with Autism spectrum disorder.
Click here to see answer by jim_thompson5910(35256)

Question 942190: The height of a projectile in feet is given by the formula h = −16t2 + 96t + 10, where t represents time in seconds. Calculate the height of the projectile at 1� seconds.
Please help me with this word question I'm terrible with them thank you
Click here to see answer by Alan3354(69443)

Question 942344: Can you please help me with this problem thank you.
The length of a rectangle is four feet more than twice its width. If the area of the rectangle is 160 square feet, its length is __________ feet.

Click here to see answer by josmiceli(19441)

Question 943264: Please help with these questions:
3√15+9√15 and
√40-√10
Thank you
Click here to see answer by macston(5194)

Question 943274: square root of 4y plus 24 minus square root of y minus 3 = 6
Click here to see answer by Alan3354(69443)

Question 943855: Perform the following metric-metric conversions. Round to the appropriate number of significant digits:
(1.) 0.08g =__________mg
(2.) 64,600 cu cm = ____________liters
(3.) 12.5km/h= _________cm/sec
(4.) 720,000g = ______________kg
(5.) 1026mm = _________________cm
Click here to see answer by Alan3354(69443)

Question 944190: I think I asked my last question wrong. i need the square root of the letter t that has an exponent of 5 after it.
Click here to see answer by Alan3354(69443)

Question 944813: A graph shows the equation y=4√x
a.how many real roots does 4√16 have?
b.how many real roots does 4√-16 have?
Plz give the principal root of 3√-125..
Thx for your time..

Click here to see answer by MathLover1(20849)

Question 945138: What is 18 divided by the square root of 3 rounded to the nearest tenth?
Click here to see answer by Fombitz(32388)

Question 947282: If f(x)=the square root of (x^2-9), then f(4) is?
Click here to see answer by stanbon(75887)

Question 947355: 1 divided by the root of 2
Click here to see answer by josgarithmetic(39616)

Question 947723: Simplify /75 x^3y^4 leave answer if radical form. Its 75 square root bracket but I tried to make do. I am confused with the x3 and y4 thanks
Click here to see answer by josgarithmetic(39616)

Question 947798: 7/ cubed root of the square root of 9x^2.
Rationalize the denominator
Click here to see answer by stanbon(75887)

Question 947798: 7/ cubed root of the square root of 9x^2.
Rationalize the denominator
Click here to see answer by josgarithmetic(39616)

Question 948142: with radical (x-2)/x^2-5x+6. the factor are x=2 and 3. why isn't 2 a asymptotes.
Click here to see answer by josgarithmetic(39616)

Question 948290: How do you multiply two radicals together?
I have a few problems I don't undertand
1.) square root of 185
2.)6 square root 90
3.)square root 10 times square root 30

happyleigha2@gmail.com
Click here to see answer by Alan3354(69443)

Question 948320: If you are looking at the horizon, you can determine the distance you are from the horizon in miles, D, from a height, h, in feet by the equation of D = 1.2 square root h . If you are standing on a mountain top that is 12,000 feet in elevation, how far are you from the horizon? Show how you solved the problem by using correct mathematical symbols and by explaining thoroughly in words each step.
Thank you!
Click here to see answer by ankor@dixie-net.com(22740)

Question 948626: Simplifying rational exponents; negative exponents and fractional bases. I don't understand these problems and need step by step instruction to complete remaining homework. Need to simplify and write without exponents. Please and thank you.
(1/25)^3/2=?
64^-2/3
I appreciate your assistance with the step by step instruction. :)
Click here to see answer by Fombitz(32388)

Question 948894: 2 root 2 - 2 root 3 divided by 4 root 3 + 4 root 2
Click here to see answer by Zucchini(70)

Question 948884: 5 divided by 2 root 5 -3
Click here to see answer by Fombitz(32388)

Question 950012:
Click here to see answer by Alan3354(69443)

Question 950012:
Click here to see answer by MathLover1(20849)

Question 950004: rootx+7+root3x-2=5
Click here to see answer by Alan3354(69443)

Question 950383: (3 divided square root of 5) = (3 - square root of 5)

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Question 950488: I want to know what radical 32/3 is plz help
Click here to see answer by Alan3354(69443)

Question 950488: I want to know what radical 32/3 is plz help
Click here to see answer by MathTherapy(10551)

Question 950842: What is 9 times the square-root of 2 divided by the square-root of 2?
Click here to see answer by jim_thompson5910(35256)

Question 950850: Hello again, what is 15 divided by the square root of 2?
Click here to see answer by jim_thompson5910(35256)

Question 950850: Hello again, what is 15 divided by the square root of 2?
Click here to see answer by MathLover1(20849)

Question 950918: how do i solve 5 square root -16 and 4 square root -8
Click here to see answer by Alan3354(69443)

Question 951039: how do you prove that the limit of x approaching 18 of (36-2x)/((sqrt2x)-6)= -12
Click here to see answer by Fombitz(32388)

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