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

Tutors Answer Your Questions about Radicals (FREE)

Question 471773: (5sqrt4 - 3sqrt2)(5sqrt27 + 5sqrt8) can someone help me solve this? having trouble simplifying
Click here to see answer by Tatiana_Stebko(1539)

Question 472087: the sqroot of (3x+10)^2= (5-2x)^2
Click here to see answer by edjones(8007)

Question 472455: Subtract. Simplify by collecting like terms if possible
3V75 -6V3 =
the two V's are suppose to be square root symbols
Click here to see answer by MathLover1(20849)

Question 472709: 1) sqrt x^9 z^2/18y^5
2) (2 ^3sqrt40 + ^3sqrt48)(6 ^3sqrt4 - ^3sqrt32)
Please help me simplify, Ive tried but I just cant wrap my head around the first sum, and the second sum, I get so far but no joy.
Click here to see answer by MathLover1(20849)

Question 472904: write the expression 2^3/5 as a radical
Click here to see answer by Theo(13342)

Question 472923: Perform the Multiplication and Simply
(10 * 4th root of 3x^3)^4

Click here to see answer by stanbon(75887)

Question 472843: How do you add a whole number to a simplified square root?
Example: 6+3sqr3
I can't get a square root symbol to copy and paste. So sqr is where it should be.
Also, how do you multiply 2 square root fractions?
Example: sqr of 1/4 x sqr of 2/9
Thanks so much
Click here to see answer by Theo(13342)

Question 473083: what are the square roots of 16oo?
Click here to see answer by MathLover1(20849)

Question 473120: What is the index of a radical? When workjing with radicals can the radicand be negative when the index is odd? Can it be negative when the index is even?
Click here to see answer by stanbon(75887)

Question 473118: What is the index of a radical? When working with radicals can the radicand be negative when the index is odd? Can it be negative when the index is even?
Click here to see answer by stanbon(75887)

Question 473158: How do I solve for x in the equation:
Click here to see answer by Alan3354(69443)

Question 473158: How do I solve for x in the equation:
Click here to see answer by Tatiana_Stebko(1539)

Question 473267: not sure where to input the 66
1. The attendants at a parking lot park cars in temporary spaces before the cars are taken to permanent parking stalls. The number N of such permanent spaces needed is approximated by the function:
N(a) = 2.5 squareroot a
Where a is the average number of arrivals.
a) What is the number of spaces needed when the average number of
arrivals is 66? What is it when the average is 100?
Click here to see answer by jim_thompson5910(35256)

Question 473598: Find the following. Assume that variables can represent any real number.
V(a+5)^2
^means it is raising to that power and the V is suppose to be the square root symbol the (a+5)^2 is in the whole root.
Click here to see answer by jim_thompson5910(35256)

Question 473592: multiply
(5V3-15V2)(3V3+9V2)
all of the V's are suppose to be square root symbols
Click here to see answer by Alan3354(69443)

Question 473791: How do I solve this please?
14sqrt (-5)^14=
the problem has 14 in the arm of the sqrt then has (-5)^14 inside the sqrt
Thank you!
Click here to see answer by rfer(16322)

Question 474049:
2
w + 8w w
-------- * -----
2+2w-48 w+6
w
Click here to see answer by stanbon(75887)

Question 474078: Solve
sqrt(x^2+7x-2) -3=x
Click here to see answer by edjones(8007)

Question 474205: The gravitational force between two lagre space ships in space may be expressed as Fg = Gr^-2
solve the equation Fg = Gr^-2 for r
Click here to see answer by stanbon(75887)

Question 474221: solve for z, write your answer in the simplest form
1+(8/z)=(5/3)
Click here to see answer by edjones(8007)

Question 474244: simplify
5V-1/32
the V represents the square root symbol and this is a fraction. The 5 is suppose to be in the indentation of the root, not right on the side of it.
Click here to see answer by ankor@dixie-net.com(22740)

Question 474294: Answer the following questions. Use Equation Editor to write mathematical expressions and equations. First, save this file to your hard drive by selecting Save As from the File menu. Please rename the assignment including your name. Click the white space below each question to maintain proper formatting. You must show your work in order to receive all points possible. Answers only will not receive full credit.
1. A baseball diamond is actually a square, 90 feet on each side. What is the distance from third base to first base? (8 pts)

2. The equation gives the distance, D, in miles that a person can see to the horizon from a height, h, in feet.
a) Solve this equation for h (6 pts)
.

b) Mammoth Mountain is 11,059 feet in elevation. How far can you see to the horizon from the top of Mammoth Mountain? (6 pts)

Click here to see answer by solver91311(24713)

Question 474326: 2. The equation gives the distance, D, in miles that a person can see to the horizon from a height, h, in feet.
a) Solve this equation for h (6 pts)
.

b) Mammoth Mountain is 11,059 feet in elevation. How far can you see to the horizon from the top of Mammoth Mountain

Click here to see answer by richard1234(7193)

Question 474797: How is adding radical expressions different to adding polynomial expressions?
Click here to see answer by richard1234(7193)

Question 474691: Are each of the statements below true or false? Explain your answer.
√a + √b = √(a+b). Explain why.
The numerator and denominator of the following must be multiplied by √3 to rationalize
3
-----------. Explain why.
3 + √3

Click here to see answer by richard1234(7193)

Question 475007: solve
V5x+21 =x+3

the V is suppose to be the square root symbol, the 5x+21 in under the entire root
Click here to see answer by mananth(16946)

Question 475170: Find the following. Assume that variables can represent any real number.
sqrt(a+1)^2= ___

Click here to see answer by MathLover1(20849)

Question 475227: Simplify
3-2i-4i^3 / i+2i^2-5i^3
Click here to see answer by robertb(5830)

Question 475221: Use rational exponents to simplify.
Root:5:(x^25)=___
(simplify your answer)
Click here to see answer by josmiceli(19441)

Question 475328: 3(2x-1) sqrt =27

Click here to see answer by mananth(16946)

Question 475520: subtract. Simplify by collecting like radical terms if possible
3V75 - 6V3
the V's represent square root symbols
Click here to see answer by jorel1380(3719)

Question 475512: use rational exponents to write x^1/9 times y^1/6 times z^1/3 as a single radical expression
^means raising to that power and the 1/9 and so on are fractions
Click here to see answer by stanbon(75887)

Question 475331: Please help me find the roots of:

Click here to see answer by ankor@dixie-net.com(22740)

Question 475737: Darla is building a new desk. To make sure she had made a square corner she measures 9ft from the corner along one edge and 3ft from the corner along the other edge. How long should the diagonal be between those two points if the corner is a right angle?
Click here to see answer by Alan3354(69443)

Question 475741: Can you please show me the steps to solve the following: (5+√13)(5-√13)
Thank you!
Click here to see answer by Alan3354(69443)

Question 475769: Simplify by taking roots of the numerator and the denominator. Assume that all expressions under radicals represent positive numbers.
3V 8x^5/y^3
^means raising to that power
the V is suppose to be a square root symbol and the 3 is suppose to be in the indentation of the square root, not directly on the side of it. This is a fraction inside the root; 8x^5 on top and y^3 on bottom
Click here to see answer by ankor@dixie-net.com(22740)

Question 475777: simplify by factoring; assume that all expressions under radicals represent nonnegative numbers.
V50a^2b
^means raising to that power and the V is suppose to be a square root symbol
Click here to see answer by ewatrrr(24785)

Question 475795: Please help me to solve this equation.
Multiply and simplify if possible.
The square root of 6 times the square root of 2
Click here to see answer by ewatrrr(24785)

Question 475772: Rewrite with a rational exponent
4V20
the V is suppose to be the square root symbol and the 5 is suppose to be in the indentation of the symbol, not directly to the side of it
Click here to see answer by Alan3354(69443)

Question 475914: please simplfy
sqrt(p^6) + sqrt(9p^6) + 3sqrt(p^6) -sqrt(p^2)
Click here to see answer by stanbon(75887)

Question 475914: please simplfy
sqrt(p^6) + sqrt(9p^6) + 3sqrt(p^6) -sqrt(p^2)
Click here to see answer by MathLover1(20849)

Question 475970: Simplify
4i-3i^2-2 / sqrt(-25)-sqrt(-3)times sqrt(-3)
Click here to see answer by lwsshak3(11628)

Question 475901: Please Help thanks
Radical 10+x + Radical 11-5x =-1
Click here to see answer by lwsshak3(11628)

Question 475961: Simplify
4i-3i^2-2/sqrt(-25)-sqrt(-3)sqrt(-3)
Click here to see answer by Tatiana_Stebko(1539)

Question 476050: Can you please tell me how to solve the following equation: (3√3-8)^2 Thank you!
Click here to see answer by Alan3354(69443)

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