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

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Algebra: Radicals -- complicated equations involving roots

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Question 154954: i do not understand radical expressions, here is an example -3/2+3/20-3/8
and i do not have the radical mark on my computer

Click here to see answer by checkley77(7072)

Question 154890: 1/7 - 10/7e + 3/e^2 divided by 1/7 - 1/e

Click here to see answer by orca(409)

Question 155015: The difference between the square of a positive number and five times the number is 36. Find the number.
Click here to see answer by ankor@dixie-net.com(6693)

Question 155287: Alright here is a tough one that I have been trying for an hour and can't seem to figure out.
(x-6)^2+(51-x)^2=9
Problem seemed easy enough but I can't see to solve for x and when I isolate an equation on one side I end up getting huge numbers that are unworkable
Thanks for the help
Click here to see answer by checkley77(7072)

Question 155346: 3 square root sign 64x7 divided by 3 square root sign 4x
Click here to see answer by checkley77(7072)

Question 155344: 3 square root sign 64x7 divided by 3 square root sign 4x
Click here to see answer by checkley77(7072)

Question 155420This question is from textbook Introductory Algebra
: Im stuck on this problem.
It says solve
12/√(5x+6)=√(2x+5)
Thanks so muchThis question is from textbook Introductory Algebra

Click here to see answer by Earlsdon(4900)

Question 155425This question is from textbook Introductory Algebra
: 3⁄(5 √(24 ))+2⁄(5 √150)-√96
Add or subtract as indicated. This question is from textbook Introductory Algebra

Click here to see answer by stanbon(26287)

Question 155421This question is from textbook Introductory Algebra
: √(16a^4 b^6 )/√(128a^6 b^6 )
It says to rationalize the demoninator. I wasnt sure how b^6cancels out

Thanks
This question is from textbook Introductory Algebra

Click here to see answer by stanbon(26287)

Question 155431This question is from textbook Algebra and Trigonometry
: Please find the real solutions if any of each equation. Use any method.
x^2+sqrt(2x)=1/2This question is from textbook Algebra and Trigonometry

Click here to see answer by stanbon(26287)

Question 155424This question is from textbook Introductory Algebra
: (4-√3)/(6+√y)
It says to rationalize the demoniator
Im having a little trouble with itThis question is from textbook Introductory Algebra

Click here to see answer by stanbon(26287)

Question 155419This question is from textbook Introductory Algebra
: √(2^109 ) √(x^306 ) √(x^11 )
This problem says multiply and them simplify by factoring.
I need help on this one. My answer is not getting it simplifiedThis question is from textbook Introductory Algebra

Click here to see answer by stanbon(26287)

Question 155418This question is from textbook Introductory Algebra
: What 2 consecutive integers is √78
I was coming up with 8 and 9, is that correct? How did you come up with the solution?
ThanksThis question is from textbook Introductory Algebra

Click here to see answer by Alan3354(6092)

Question 155714: Reduce the given expression to lowest terms
-v - 1/ -7
??? is it v + 1/ 7
Click here to see answer by jojo14344(1483)

Question 155850: what is 2 radical 3 over radical 15
Click here to see answer by Fombitz(2113)

Question 155849: what is radical 3 over 2 radical 6?
Click here to see answer by Adam(63)

Question 155848: what is radical 5 over radical 10
Click here to see answer by edjones(3298)

Question 155848: what is radical 5 over radical 10
Click here to see answer by Alan3354(6092)

Question 155847: what is radical 7 over radical 3
Click here to see answer by checkley77(7072)

Question 155911: cube root of 16x to the 6th
Click here to see answer by Alan3354(6092)

Question 155911: cube root of 16x to the 6th
Click here to see answer by stanbon(26287)

Question 156143This question is from textbook College Mathematics I
: sqrt(10x)"*" sqrt(8x) This question is from textbook College Mathematics I

Click here to see answer by jim_thompson5910(13794)

Question 156146: sq rt of 47 times x to the 14
Click here to see answer by checkley77(7072)

Question 156272: Add:
x/x^2 - 81 + 9/81 - x^2
Click here to see answer by orca(409)

Question 156333: How do I simplify these radicals?
sqrt 24x to 2nd power y to 4th power.
sqrt 6xy to 2nd power.
Click here to see answer by Fombitz(2113)

Question 156265: simplify: square root sign 2 times square root sign 60
Click here to see answer by stanbon(26287)

Question 156266: Find the product and completely simplify the radical:
square root sign 6 square root sign 20
Click here to see answer by ankor@dixie-net.com(6693)

Question 156263: evaluate: cubic root 3 square root sign -8
Click here to see answer by jim_thompson5910(13794)

Question 156541: Needing assistance in solving.
x^3/2 = 27
(x^3/2)^2/3 = 27
x = 9
Click here to see answer by jim_thompson5910(13794)

Question 156543: (square root of x + 2)- x = 0
(x+2)^2 -x = 0
(x+2)^1/2^2/1 - x + x = 0 + x^2/1
x + 2 - 2 = x^2/1 - 2
x = x^2/1^1/2 - 2
x - x = x - 2
0 + 2 = x - 2 + 2
2 = x
Click here to see answer by oscargut(682)

Question 156621: What is if a is the smallest root of ?
Click here to see answer by Alan3354(6092)

Question 156659: 3^x-5=3
Click here to see answer by stanbon(26287)

Question 156662: radical sign x+3 = 2radical sign x
Click here to see answer by josmiceli(3012)

Question 156701: sqrt 4x-12 + sqrt x-3
Click here to see answer by jim_thompson5910(13794)

Question 156704: sqrt 50x^3 divided by 81y^8
Click here to see answer by jim_thompson5910(13794)

Question 156703: sqrt 4x-12 + sqrt x-3
Click here to see answer by josmiceli(3012)

Question 156702: sqrt 50x^3 divided by 81y^8
Click here to see answer by checkley77(7072)

Question 156727: sqrt to the 3rd power, 250x^5y^3 divided by sqrt to the 3rd power, 2x^3
Click here to see answer by checkley77(7072)

Question 156753: Find all square roots of the number.
256

Click here to see answer by mizjoice(22)

Question 156763: Use rational exponents to simplify.

The 4 is an exponent.
Click here to see answer by Earlsdon(4900)

Question 156754: Simplify.
square root 448x^2

Click here to see answer by edjones(3298)

Question 156836: I need to resolve x, AB, BC and AC, where A, B and C are points on a line. A is leftmost, C is rightmost, and B is somewhere in between.
AB = 2x+1
BC = x-2
AC = sqrt (x^2 + 25x + 5)
Was able to write, 2x+1+x-2 = sqrt (x^2+25x+5), which reduces to 3x-1 = sqrt (x^2 + 25x + 5).
I don't know how to eliminate the square root, especially when there is an exponential along with it.
Please help.
Thank you.
Click here to see answer by jim_thompson5910(13794)

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