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 37195: how do solve x square root3= square root 12
Click here to see answer by fractalier(1804)

Question 37271: Need help. Asked question earlier didn't get any help.
1) Solve the following equations.
a) √x – 2 = 1
Answer:
Show work in this space.

b) √x³ = 27
Answer:
Show work in this space.

c) ³√x² = 9
Answer:
Show work in this space.

Click here to see answer by stanbon(26274)

Question 37353: Need Help with this problem.
4) A right triangle is a triangle with one angle measuring 90°. In a right triangle the sides are related by Pythagorean Theorem, c² = a² + b², where c is the hypotenuse ( the side opposite the 90° angle). Find the hypotenuse when the other 2 sides’ measurements are 6 feet and 8feet.
Answer:
Show work in this space.
Click here to see answer by venugopalramana(3286)

Question 37355: Need help please.
6) The volume of a cube is given by V = s³. Find the length of a side of a cube if the Volume is 1000 cm³.
Answer:
Show work in this space.
Click here to see answer by fractalier(1804)

Question 37354: Need help please.
5) Suppose you travel north for 65 kilometers then travel east 75 kilometers. How far are you from your starting point?
Answer:
Show your work in this space.
Click here to see answer by fractalier(1804)

Question 37291: 81 ¼
Click here to see answer by fractalier(1804)

Question 37275: Need Help badly. Asked for help and didn't get any.
3) For the equation x - 2√x = 0, perform the following:
a) Solve for all values of x that satisfies the equation.
Answer:
Show work in this space.

b) Graph the functions y = x and y = 2√x on the same graph ( by plotting points if necessary). Show the points of intersection of these two graphs.
Graph:
Points of Intersection:
Click here to see answer by fractalier(1804)

Question 37373: I have tried to figure these out many times,I would just like to check my answers here's what I have.Any help will be greatly appreciated.
Solve the following equations.
A) (sqrt of x)-2=1
((sqrtof x)-2)^2 = 1^2
x-2=1
x=3
B) sqrt of x^3=27
(sqrt of x^3)^2 = 27^2
x^3=729
x=9
C) cuberoot of x^2=9
(cuberoot of x^2)^3= 9^3
x^2=729
x=27
Click here to see answer by fractalier(1804)

Question 37409: hey. i'm pretty good at radicals, but i'm completely stumped on this one.
6√24x^5
______
18x
i'd appreciate your help.
Click here to see answer by fractalier(1804)

Question 37504This question is from textbook
: hi umm i really need help on radicals i get it but i got suck so can you help? here it goes
6/72 i hope the slash helps i dont have the radical sign
please and thank youThis question is from textbook

Click here to see answer by fractalier(1804)

Question 37503This question is from textbook
: hi umm i really need help on radicals i get it but i got suck so can you help? here it goes
6/72 i hope the slash helps i dont have the radical sigh
please and thank youThis question is from textbook

Click here to see answer by fractalier(1804)

Question 37498This question is from textbook
: hi i need your help on this problem please and thatnk you
6 the square root of 72This question is from textbook

Click here to see answer by fractalier(1804)

Question 37634: Somebody please help me answer this question. I have until tonight to come up with an answer to the following question. I asked before but I did not receive any help or feedback. I posted an answer to this question once, but I was told I was wrong. Appreciate any help I can receive.
Radical and rational exponent notation are two ways to show the same process.
Explain the similarities between radicals and rational exponent notation.
Provide at least two other examples of mathematical notation or wording denoting the same process.
Click here to see answer by josmiceli(3008)

Question 37644: Need Help with this problem. Due tonight and don't understand it.
2)Is (sqrt x)^2 an identity (true for all nonnegative values of x)?
Answer:
Explain your answer in this space.

Click here to see answer by stanbon(26274)

Question 37643: Need help! I have to turn in this assignment by tonight and I'm having problems with this.
1) Solve the following equations.
a) sqrt(x) - 2=1
Answer:
Show work in this space.

b)sqrt(x)^3 = 27
Answer:
Show work in this space.

c)3^sqrt(x)^2 = 9
Answer:
Show work in this space.

Click here to see answer by longjonsilver(2297)

Question 37651: Question: cubed root of x squared=9
After cubing both sides, the 9 becomes 729
leaving the equation x squared=729
Please help solve for x
Any help appreciated!!
Thank you
Click here to see answer by stanbon(26274)

Question 37025This question is from textbook intermediate algebra

: i need help with a algebra problem

Simplify:
√[144x^10y^12z^18]
This question is from textbook intermediate algebra

Click here to see answer by stanbon(26274)

Question 37785This question is from textbook
: sketch the graph of y=2sq.rt.of x. Give the domain and range.
thanks
This question is from textbook

Click here to see answer by stanbon(26274)

Question 37745This question is from textbook

: Hi, I'm having trouble with this problem. Do you think you could help me?
This question is from textbook

Click here to see answer by junior403(76)

Question 37746: Hi, I was wondering if you could help me with this problem.

thank you!!
Click here to see answer by junior403(76)

Question 37747: I've been having trouble with problems like these for a while now...Do you think you could help?

thanks!
Click here to see answer by junior403(76)

Question 37794: Simplify the radical . Assume that all variables represent positive numbers.

square root 8xy^2
_____________________
square root 5xy
Explain in detail please?
Thank you

Click here to see answer by junior403(76)

Question 37748: I was hoping you guys could help me with this problem.

thanks!
Click here to see answer by junior403(76)

Question 37971: Evaluate.
3 square root of -8
Click here to see answer by checkley71(8405)

Question 37958: i just dont understand how to do these problems
OR how to FOIL
someone help me!!!!
Click here to see answer by checkley71(8405)

Question 38027: I need some help with this.
Evaluate.
5 SQRT of 2^5
Click here to see answer by stanbon(26274)

Question 38048: Change the radical to simplest radical form:
SQRT of 19/4
Click here to see answer by fractalier(1804)

Question 38094: can someone check my answers, QUESTON: Simplify the following expressions by combining as many terms as possible.
3xy+5xy
my answer 8xy
9X^2T-7X^2T
my answer 2x^2t
2xy+6y+8xy
my answer 16xy
thanks
Click here to see answer by stanbon(26274)

Question 38101: Square root of 18 + Square root of 12.
I dont have a square root button on my computer..sadly, so hopefully you see what im asking.
Click here to see answer by stanbon(26274)

Question 38080: Change the radical to simplest radical form:

3 SQRT of 25 / 3 SQRT of 5
Click here to see answer by fractalier(1804)

Question 38136: x²+7x+=0 i need the answer for the question
Click here to see answer by stanbon(26274)

Question 38142: Use the distributive property to help simplify the expression.
(-2/3)SQRT of 18) + (4/5 SQRT of 18) - (5/6 SQRT of 18)
Click here to see answer by stanbon(26274)

Question 38161: add and/or subtract and simplify the following radical expression. __ __ __ 3Ö48 - 2Ö27 - 3Ö12 thanks for your time

Click here to see answer by checkley71(8405)

Question 38161: add and/or subtract and simplify the following radical expression. __ __ __ 3Ö48 - 2Ö27 - 3Ö12 thanks for your time

Click here to see answer by AnlytcPhil(958)

Question 38160: Looking for some help.
Multiply and/or divide and simplify the folloeing radical expression.
Sqrt 16a^4 b^6
_________
Sqrt 128a^6 b^6
Thank you for your time
Click here to see answer by checkley71(8405)

Question 38191: write the following using only positive exponents
x^2/y^-3
x^3y^-5
x^2y^3t^-42^6w
Click here to see answer by stanbon(26274)

Question 38208: Express the following expression in simplest radical form. All variables represent positive real numbers.
SQRT of 27(a^2)b / SQRT of 7(a^3)(b^3)
Click here to see answer by fractalier(1804)

Question 38202: Express the following expression in simplest radical form. All variables represent positive real numbers.
SQRT of (8y^3)/49x
Click here to see answer by fractalier(1804)

Question 38173: Please help!!
x=1+6 sqrt x-9
Thank you!
Click here to see answer by fractalier(1804)

Question 38176: 2{3x-1}=4 OR 2 square root of 3x-1 equals 4
Click here to see answer by fractalier(1804)

Question 38211: Looking for some help. Solve the following radical equation
x=1+6 sqrt x-9
thank you for your time
Click here to see answer by fractalier(1804)

Question 38247: Solve the equation
SQRT of (x^2)+20=6
Click here to see answer by stanbon(26274)

Question 38273: ______ Öx² + 5 - x - 2 = 0 _____ x = 1 + 6Öx - 9

Click here to see answer by AnlytcPhil(958)

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