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 81018: Can someone please help! I had these multiple choice questions for homework and get them wrong.
(5 quare root of 6-4)(3 square root of 6 - 1)

Click here to see answer by checkley75(3666)

Question 81037: please help me simplify?
(p^3)^3/p^2
Click here to see answer by funmath(2873)

Question 81038: can you help me simplify?
10sqrt7-sqrt28
Click here to see answer by funmath(2873)

Question 81038: can you help me simplify?
10sqrt7-sqrt28
Click here to see answer by tutor_paul(424)

Question 81042: Help! :-( I am having trouble solving this problem. It is a homework assignment due Tuesday! Thank you so very much!! Please show the steps on how to solve also. Thanks!! Rationalize the denominator:
5/(sqrt6)+(sqrt5)
Click here to see answer by Edwin McCravy(2922)

Question 81060: Please help me with square root problem. Thanks
3(square root of 2 over 3)
Click here to see answer by funmath(2873)

Question 81061: Please show me how to solve the answer to square roots. Thanks
7 (outside of)square root of 24 + square root of 90 - 8 square root of 54
Click here to see answer by funmath(2873)

Question 81243: i have attempted to solve can someone please check for me?
sqrt(2x+2)-6=0
2x+2^2=(6^2)
2x+2=36
2x=34
x=17
Click here to see answer by tutor_paul(424)

Question 81232: Please show me how to get the square root. Thanks
(5 square root of 6-4)(3square root of 6-1)
Click here to see answer by stanbon(26275)

Question 81247: please check this for me? I have to factor completely.
49x^2-25
-25+79x^2=0
-25+25+49x^2=0+25
0+49x^2=0+25
49x^2=0+25
49x^2=25
Click here to see answer by stanbon(26275)

Question 81344: can someone help me to divide this problem please?
42x^3-7x^2
over
-7x
Click here to see answer by ankor@dixie-net.com(6693)

Question 81359: Please show me how to solve a square root. I don't understand. Thanks
My homework problem was:
(3square root of 3)(square root of 7)
the choices were:
A.) 6 square root of 1323 (I chose this one)
B.) 6 square root of 3087
c.) 6 square root of 441
D.) 6 square root of 1029
Click here to see answer by stanbon(26275)

Question 81358: Please show me how to solve a square root. I don't understand. Thanks
My homework problem was:
(3square root of 3)(square root of 7)
the choices were:
A.) 6 square root of 1323 (I chose this one)
B.) 6 square root of 3087
c.) 6 square root of 441
D.) 6 square root of 1029
Click here to see answer by bucky(1732)

Question 81438: can someone please check this for me please?
7x^2+18x-9
x=-b+-sqrt/2a
x=-18+-sqrt/2*7
x=(-18+24)/2*7
x=6/14=3/7
x=-42/14=-3
x=7
Click here to see answer by stanbon(26275)

Question 81433: Please can someone check this for me please?
15+sqrt/3
=5+sqrt/3
=5+sqrt
Click here to see answer by jainenderkapoor(60)

Question 81547: tough one!
One fourth of a herd of camels was seen in the forest, twice the square root of that herd had gone to the mountain slope and 3 times 5 camels remained on the river bank. WHat is the numerical measure of that herd of camels?
so far I have:
h= herd
h/4 = 2 sq root h + (3.5) = h

Click here to see answer by doctor_who(15)

Question 81545: can i get assistance with this please i tried to solve i hope i am right?
sqrt(8sqrt-3sqrt)
(sqrt*8sqrt)-3*7sqrt
8sqrt-3*7sqrt
8sqrt-(7*7)
8sqrt-21
or will it be 8sqrt-7 i have to answers each time i work it, it is different but it is either or.
Click here to see answer by tutorcecilia(2042)

Question 81579: is it possible to evaluate sqrt
Click here to see answer by tutorcecilia(2042)

Question 81551: The constant is always equal to the initial height of the ball (80 m in our previous exercises). Now, let’s have you develop a height equation. A ball is thrown upward from the roof of a building 100 m tall with an initial velocity
of 20 m/s.
When will the ball reach a height of 80 m?
thanks
Click here to see answer by renevencer22(21)

Question 81697: Geometry. The length of a rectangle is 1 cm longer than its width. If the diagonal of the rectangle is 4 cm, what are the dimensions (the length and the width) of the rectangle?
THANK YOU!
Click here to see answer by ankor@dixie-net.com(6693)

Question 81825: Rewrite without rational exponents and simplify if possible: 32^4/5
Click here to see answer by stanbon(26275)

Question 81841: Simplify; 3sqrt(-1/125)
Click here to see answer by ptaylor(1578)

Question 81362: will someone help me factor this completely?
5x^2-2xy+5x-2y
Click here to see answer by vertciel(183)

Question 81998: Simplify.
32+√80 / 4
I came up with 8 + √80

Click here to see answer by jim_thompson5910(13794)

Question 81985: Can someone show me how to do this?
Determine whether -4√16 is rational or irrational.

Click here to see answer by checkley75(3666)

Question 81982: Can someone show me how to do this?
Evaluate 3√1/64 , if possible.

Click here to see answer by checkley75(3666)

Question 82073This question is from textbook Experiencing Introdutory and Intermediate Algebra
: I need to know how these two can be solved.
1.((p^-6)(q^2))^7/6

2. square root of 2 plus 5/square root of 3 minus 8
This question is from textbook Experiencing Introdutory and Intermediate Algebra

Click here to see answer by blizz86(3)

Question 82065: the square root of 72 plus the square root of 50 minus the square root of 8
Click here to see answer by checkley75(3666)

Question 82065: the square root of 72 plus the square root of 50 minus the square root of 8
Click here to see answer by jayanthihemkos@yahoo.com(87)

Question 82064: 9 times the square root of 6a minus 11 times the square root of 6a plus 4 times the square root of 6a
Click here to see answer by checkley75(3666)

Question 82063: the square root of 1/6
Click here to see answer by checkley75(3666)

Question 82032: 1 squared + the square root of 3 squared
Click here to see answer by tutorcecilia(2042)

Question 82185: Use a calculator to approximate √70 to the nearest hundredth.
When I do this I get 8.3666 or 8.37?
But the choices I have are 7.66, 7.81, 8.04 and 8.16 ? What am I doing wrong?
Click here to see answer by vertciel(183)

Question 82183: Can I get someone to show me how to do this Please?
Simplify. Assume x represents a positive number.
√18x^4

Click here to see answer by vertciel(183)

Question 82256: How do i work this?

10 square root of 2 divided by square root of 8
Click here to see answer by tutorcecilia(2042)

Question 82245: How do I do problems like this?
Solve.
√y+16=1
Please help me?

Click here to see answer by stanbon(26275)

Question 82244: How do I do problems like this?
Evaluate -3√64 , if possible.
It has multiple choice answers.
–4
–8
-64/3
Not a real number
The first couple of times I did it I got different answers. Please help me?

Click here to see answer by stanbon(26275)

Question 82239: I am having problems with this one I come up with different answers. I have submitted this once before and I was given a totally different answer than even I got or what is in the book.
Evaluate √-100 , if possible.
The book gives me these for possible answers.
8
–8
–32
Not a real number

Click here to see answer by Earlsdon(4900)

Question 82237: Which two expressions are equivalent?
√-49, -7, -√49
By my calculations which are not always so good I came up with these two as equivalent √-49, -7.

Click here to see answer by Earlsdon(4900)

Question 82298: what is the square root of 81a^2b^4
Click here to see answer by shrty1351(6)

Question 82323: How do I determine this?
Determine whether √49/100 is rational or irrational.

Click here to see answer by checkley75(3666)

Question 82325: How do I do this?
Find the distance between (8, 0) and (–2, 0).

Click here to see answer by checkley75(3666)

Question 82332: How do I do the ones with multiplication?
Simplify.
√5* √2

Click here to see answer by checkley75(3666)

Question 82336: Can someone show me how to do this with a calculator?
Use a calculator to approximate 8√5+8√3 to the nearest hundredth.
8√5+8√3

Click here to see answer by checkley75(3666)

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