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

Tutors Answer Your Questions about Radicals (FREE)

Question 432342: Can you please help me with this math problem? thanks-----> Multiply √5(2√7-2√4)=
Click here to see answer by algebrahouse.com(1079)

Question 432349: Can you please help me with this math problem? thanks-----> Find the following. Assume that x can represent any real number. Use absolute value notation when necessary. √49x^2
Click here to see answer by rapaljer(4667)

Question 432347: Can you please help me with this math problem? thanks-----> Subtract. Simplify by collecting like radical terms if possible 7√75-5√3
Click here to see answer by rapaljer(4667)

Question 432345: Can you please help me with this math problem? thanks-----> (4√6-8√2)(5√6+10√2)
Click here to see answer by robertb(4012)

Question 432378: The standard deviation is the square root of the variance of a set of data. If the variance of a set of data is 24, what is the standard deviation in simplest form?
Click here to see answer by belle3833(46)

Question 432454: please help
have to multiply and simplify, And show all steps
(5-sqrt3)(2+sqrt3)
Click here to see answer by ewatrrr(10682)

Question 432452: please help
need to multiply and simplify. but must show all steps.
sqrt3(3sqrt5+sqrt5a)
thankyou for your help
Click here to see answer by ewatrrr(10682)

Question 432343: Can you please help me with this math problem? thanks-----> Add. Simplify by collecting like radical terms if possible, assuming that all expressions under radicals represent nonnegative numbers.√5a+8√45a^3
Click here to see answer by ankor@dixie-net.com(15746)

Question 432449: the instructions for these problems are Combine the radicals. Plus Show All THE Steps.
1. 3sqrt15+9sqrt15
2. sqrt40-sqrt10
these look like they should be easy, but I am totally confused as what and how to do them.
Click here to see answer by ewatrrr(10682)

Question 432480: Simplify the expressions √25/89 and √48
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Question 432484: Simplify √25/49 and 1/5√28
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Question 432561: What is the sum of the roots of the equation ax^2 + bx + c =0
Click here to see answer by htmentor(807)

Question 432636: (-7 sqrt 3) (-4 sqrt 10)
multiply and simplify
assume that all variables represent nonnegitive numbers
Click here to see answer by edjones(7569)

Question 432641: Please help me solve this problem:
3/4 = 1 - 3x-2/x+1
Click here to see answer by edjones(7569)

Question 432937: ( - 5 sqrt of 6) (2 sqrt of 3)
multiply and simplify. Assume that all variables represent nonnegative numbers
Click here to see answer by algebrahouse.com(1079)

Question 433037: Solve the equation by completing the square.
9y^2 -12y -2 = 0
Click here to see answer by stanbon(57967)

Question 433053: sqrt of y + 10 = y - 2
solve each radical equation. check your solution
Click here to see answer by ewatrrr(10682)

Question 433038: Solve the equation by completing the square.
y^2 +2y = 0
Click here to see answer by ewatrrr(10682)

Question 433081: ((y^2-4)/(5y))times (-5y)/(y+2)
Click here to see answer by ewatrrr(10682)

Question 433154: ((1/2x) + 1/2) = (4/(x + 3))
Click here to see answer by stanbon(57967)

Question 433191: ((5/2x)-(4/x)=-3)
Click here to see answer by jorel1380(2518)

Question 433373: What is the asymptote and graph of:
y= (1/(x+2)) + 3
Click here to see answer by belle3833(46)

Question 433382: ((2-x)/(7x)) times (14/(x-2))=
Click here to see answer by stanbon(57967)

Question 433390: (x^4-25) divided by (x-5)
Click here to see answer by stanbon(57967)

Question 433419: what is the square root of 36a+4b?
Click here to see answer by stanbon(57967)

Question 433607: 2x^2 -3x-5=0 what is the discriminant?
Click here to see answer by stanbon(57967)

Question 433607: 2x^2 -3x-5=0 what is the discriminant?
Click here to see answer by algebrahouse.com(1079)

Question 433613: solve the quadratic equation 6x^2 +3x -18=0 using the quadratic formula.
Click here to see answer by unlockmath(1614)

Question 433661: ((11)/(4-x)) + ((2x)/(16-x^2)
Click here to see answer by stanbon(57967)

Question 433663: what is the asymptote and graph for: y = 1/x + 4 I know or think I know that x = 0 but does y = 4 or -4?
Click here to see answer by rwm(914)

Question 433663: what is the asymptote and graph for: y = 1/x + 4 I know or think I know that x = 0 but does y = 4 or -4?
Click here to see answer by stanbon(57967)

Question 433665: How do I set up the following problem? If it takes me 2 hours to drive an unknown distance at 45 miles/hr. how long will it take me to drive the same unknown distance at 30 miles/hr.?
Click here to see answer by stanbon(57967)

Question 433639: 4) A water tank is h feet high. Water is flowing from this water tank with a velocity V feet per second. The model representing the relationship between the velocity and height is given by
a. Find the height of a water tank that provides a water flow of 80 feet per second.
b. Find the velocity of the water flow when the height is 150 feet. Round your answer to two decimal places.

Click here to see answer by rwm(914)

Question 433670: Can this be simplified? (x^2 + 7x + 10) over (2x^2+ 15x + 25)
Click here to see answer by rwm(914)

Question 433668: Can this be simplified ? ( x^2 + 7x + 10)/ (2x^2 + 15x + 25)
Click here to see answer by Gersid(33)

Question 433848: square root of 4000 simplified

Click here to see answer by tinbar(128)

Question 433972: (square root of 2) times [x + (3 radical 2)] = 18
solve for x
Click here to see answer by Gogonati(817)

Question 434039: Divide. Then simplify by taking roots, if possible. Assume that all expressions under radicals represent positive numbers.

Click here to see answer by Edwin McCravy(8999)

Question 434423: Mr.Crespobakes cinnamonb uns at his restaurant. There are 30 buns in a batch. If he makes 12 batches, how many buns does he make in all

Click here to see answer by edjones(7569)

Question 434885: Approximate the following to the nearest millionth.
root:4:(41)^(7)
Thanks
Click here to see answer by Alan3354(31518)

Question 435515: What is the conjugate of each expression??
1. square root of 6 plus the square root of 3
Click here to see answer by edjones(7569)

Question 436131: How do I solve 3(x-2)^2-3=15 by using square root property
Click here to see answer by robertb(4012)

Question 436300: Simplify. Assume that all variables represent positive real numbers. Rationalize the denominator as needed.

Click here to see answer by Gogonati(817)

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