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

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Question 168330: problem states: 3X+4Xsquared divided by X to the negative 2/3 power. please show how to remove the -2/3 power of X that is in the denominator.: problem states: 3X+4Xsquared divided by X to the negative 2/3 power. please show how to remove the -2/3 power of X that is in the denominator.
Click here to see answer by Mathtut(308)

Question 168292: [SQRT(x + 7)] - 2[SQRT(x)] =-2
I know x = 9
but I am not sure how to get there.
How tall is a stack of cube-shaped blocks whose volumes are 375 cubic inches, 648 cubic inches and 1,029 cubic inches?
A. 10 cubert(3)
B. 6 cubert(3)
C. 3 sqrt(3)
D. 4 sqrt(3)
E. 9 sqt(3)
F. 18 cubert(3): [SQRT(x + 7)] - 2[SQRT(x)] =-2
I know x = 9
but I am not sure how to get there.
How tall is a stack of cube-shaped blocks whose volumes are 375 cubic inches, 648 cubic inches and 1,029 cubic inches?
A. 10 cubert(3)
B. 6 cubert(3)
C. 3 sqrt(3)
D. 4 sqrt(3)
E. 9 sqt(3)
F. 18 cubert(3)
Click here to see answer by Alan3354(1178)

Question 168089: Simplify √75 - √3: Simplify √75 - √3
Click here to see answer by checkley77(3380)

Question 168091: Evaluate √9/16(fraction), if possible.: Evaluate √9/16(fraction), if possible.
Click here to see answer by jojo14344(809)

Question 167724: Simplify:
√[121x^12y^16z^6]

: Simplify:
√[121x^12y^16z^6]

Click here to see answer by jim_thompson5910(9162)

Question 167726: Rationalize the denominator:
7/√[3] – √[2]
: Rationalize the denominator:
7/√[3] – √[2]

Click here to see answer by jim_thompson5910(9162)

Question 167726: Rationalize the denominator:
7/√[3] – √[2]
: Rationalize the denominator:
7/√[3] – √[2]

Click here to see answer by CeCe_101(1)

Question 167726: Rationalize the denominator:
7/√[3] – √[2]
: Rationalize the denominator:
7/√[3] – √[2]

Click here to see answer by nerdybill(1039)

Question 167727: Multiply:
(5√[3] + √[5])(√[3] – 2√[5])
: Multiply:
(5√[3] + √[5])(√[3] – 2√[5])

Click here to see answer by jim_thompson5910(9162)

Question 167725: Perform the indicated operations:
4√[50] + √[32] – √[18]
: Perform the indicated operations:
4√[50] + √[32] – √[18]

Click here to see answer by jim_thompson5910(9162)

Question 167503This question is from textbook beginning Algebra
: Please help solve with radicals, Thank You, and please show work
square root of 5x+11= x+3This question is from textbook beginning Algebra
: Please help solve with radicals, Thank You, and please show work
square root of 5x+11= x+3
Click here to see answer by sowmya(18)

Question 167504This question is from textbook beginning Algebra
: Another solving equations with radicals, please show work, Thank You
square root of x+2 then -2=xThis question is from textbook beginning Algebra
: Another solving equations with radicals, please show work, Thank You
square root of x+2 then -2=x
Click here to see answer by midwood_trail(221)

Question 167470This question is from textbook beginning Algebra
: Please help . and show work . solve equation with radicals
k = square root of k^2 - 5k -15This question is from textbook beginning Algebra
: Please help . and show work . solve equation with radicals
k = square root of k^2 - 5k -15
Click here to see answer by oscargut(666)

Question 167305: f=1/2pi*sqrt of LC if L=6.224*10^-5 and C=4.1*10^-10. Solve for f
So far, all I've been able to establish is LC=2.55184*10^-15...is this correct and how do I solve the rest?: f=1/2pi*sqrt of LC if L=6.224*10^-5 and C=4.1*10^-10. Solve for f
So far, all I've been able to establish is LC=2.55184*10^-15...is this correct and how do I solve the rest?
Click here to see answer by Fombitz(1740)

Question 167316: sqrtof 9x+81=x+5
not sure how to solve...please help: sqrtof 9x+81=x+5
not sure how to solve...please help
Click here to see answer by ankor@dixie-net.com(4484)

Question 167316: sqrtof 9x+81=x+5
not sure how to solve...please help: sqrtof 9x+81=x+5
not sure how to solve...please help
Click here to see answer by jim_thompson5910(9162)

Question 167195: (3 + sqrt32)-(4 - sqrt18): (3 + sqrt32)-(4 - sqrt18)
Click here to see answer by checkley77(3380)

Question 167087: i need help with simple radical forms. with no radicals in the denominator.
my teacher does not make any sense, and i am an only child, and my parents are away all the time.
example: 3 times the square root of 5 divided by the square root of 9: i need help with simple radical forms. with no radicals in the denominator.
my teacher does not make any sense, and i am an only child, and my parents are away all the time.
example: 3 times the square root of 5 divided by the square root of 9
Click here to see answer by nerdybill(1039)

Question 166921: Graph the function f(x)=x^3-4: Graph the function f(x)=x^3-4
Click here to see answer by oscargut(666)

Question 166893: 3 √13/3
Simplify: 3 ( square root of 13 over 3)
This is the same question. Just wasnt sure about the best way to present it.: 3 √13/3
Simplify: 3 ( square root of 13 over 3)
This is the same question. Just wasnt sure about the best way to present it.
Click here to see answer by MRperkins(74)

Question 166804: Can someone help
the hypotenuse of a right triangle is 2.5 units long. The longer leg is 1.3 units longer then the shorter leg. Find the lengths of the sides of the triangle.: Can someone help
the hypotenuse of a right triangle is 2.5 units long. The longer leg is 1.3 units longer then the shorter leg. Find the lengths of the sides of the triangle.
Click here to see answer by ankor@dixie-net.com(4484)

Question 166708: Find the dimensions of a rectangle (a) with the greatest area whose perimeter is 30 feet.: Find the dimensions of a rectangle (a) with the greatest area whose perimeter is 30 feet.
Click here to see answer by Alan3354(1178)

Question 163585: I know I have to rationalize the denominator, im just not sure how it works with a square root and real number. Help, please! Thanks, Elizabeth.
11
-------
√7 + 8
and
3
--------
2√5 - √7
: I know I have to rationalize the denominator, im just not sure how it works with a square root and real number. Help, please! Thanks, Elizabeth.
11
-------
√7 + 8
and
3
--------
2√5 - √7

Click here to see answer by Alan3354(1178)

Question 166539: the square root of 4e^3g x the square root of 6eg^2: the square root of 4e^3g x the square root of 6eg^2
Click here to see answer by Alan3354(1178)

Question 166502: (2sqrt3 + 4 sqrt 2)-(4 sqrt 2 - 3sqrt3): (2sqrt3 + 4 sqrt 2)-(4 sqrt 2 - 3sqrt3)
Click here to see answer by jim_thompson5910(9162)

Question 166064: [(squareroot of 3) + (square root of 5)] to exponent of 2: [(squareroot of 3) + (square root of 5)] to exponent of 2
Click here to see answer by checkley77(3380)

Question 166011: how would you go about solving this problem?
7 sqrt12 + 10 sqrt48: how would you go about solving this problem?
7 sqrt12 + 10 sqrt48
Click here to see answer by checkley77(3380)

Question 166014: how would you go about solving this problem?
7 sqrt12 + 10 sqrt48: how would you go about solving this problem?
7 sqrt12 + 10 sqrt48
Click here to see answer by ankor@dixie-net.com(4484)

Question 165558: What steps would you take to simplify this problem:
(2 √(x-5))(3 √(x+1)) where the x-5 and the x+1 are both completely under the radical sign.: What steps would you take to simplify this problem:
(2 √(x-5))(3 √(x+1)) where the x-5 and the x+1 are both completely under the radical sign.
Click here to see answer by edjones(2391)

Question 165613: ^3{sqrt x+1}=5: ^3{sqrt x+1}=5
Click here to see answer by jim_thompson5910(9162)

Question 165609: 3 {sqrt 3}/ {sqrt 6}: 3 {sqrt 3}/ {sqrt 6}
Click here to see answer by nerdybill(1039)

Question 165610: 2 {sqrt x^3} + 5x{sqrt x} - 3{sqrt x^5}: 2 {sqrt x^3} + 5x{sqrt x} - 3{sqrt x^5}
Click here to see answer by nerdybill(1039)

Question 165611: rationalize 4/ {sqrt 3} + 1: rationalize 4/ {sqrt 3} + 1
Click here to see answer by oscargut(666)

Question 165407: :
Click here to see answer by Edwin McCravy(2033)

Question 165407: :
Click here to see answer by stanbon(18723)

Question 165240: I need to solve the equation for r:
w=Cr^-2: I need to solve the equation for r:
w=Cr^-2
Click here to see answer by vleith(1156)

Question 165003: 25x^4-25^2+6=0
The solution is x=
The answer that I got is:
sqrt15/5,-sqrt15/5
is this correct!: 25x^4-25^2+6=0
The solution is x=
The answer that I got is:
sqrt15/5,-sqrt15/5
is this correct!
Click here to see answer by edjones(2391)

Question 165083This question is from textbook Elementary and Intermediate
: 30.) Solve each equation and check for extraneous solutions.
sqrt(a-1 -5 = 1)
This question is from textbook Elementary and Intermediate
: 30.) Solve each equation and check for extraneous solutions.
sqrt(a-1 -5 = 1)

Click here to see answer by jim_thompson5910(9162)

Question 165061This question is from textbook Elementary and Intermediate
: 96.) Find all real or imaginary solutions. use the method of your choice.
sqrt(7x+29=x+3)
This question is from textbook Elementary and Intermediate
: 96.) Find all real or imaginary solutions. use the method of your choice.
sqrt(7x+29=x+3)

Click here to see answer by jim_thompson5910(9162)

Question 165051: can someone help
. Multiply:
(sqrt[3] + 4sqrt[5])(2sqrt[3] – sqrt[5])
and
. Divide:
x2 – 3x + 2/8x - 8 ÷ x2 – 4/5x + 10
: can someone help
. Multiply:
(sqrt[3] + 4sqrt[5])(2sqrt[3] – sqrt[5])
and
. Divide:
x2 – 3x + 2/8x - 8 ÷ x2 – 4/5x + 10

Click here to see answer by nerdybill(1039)

Question 165005: subtract simply by collecting like radical terms it possible.
9 sqrt 18 - 6 sqrt 2: subtract simply by collecting like radical terms it possible.
9 sqrt 18 - 6 sqrt 2
Click here to see answer by nerdybill(1039)

Question 165006: solve
T^2+T-20=0: solve
T^2+T-20=0
Click here to see answer by nerdybill(1039)

Question 164948: i need help on a problam: i need help on a problam
Click here to see answer by MRperkins(74)