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Question 201429This question is from textbook Algebra for college students
: I really can't figure out how the answer is 16. Can you help, please?
8+2 √5² - 3²
That is 5 squared - 3 squared.
5 squared = 25 3 squared = 9 so 25 - 9 = 16 but what is to be done with the 8 + 2 in the beginning?
Thanks for your help - JamieThis question is from textbook Algebra for college students

Click here to see answer by stanbon(26273)

Question 201302: Simplify the following radical:
cubic root 3 sqrt − 64c^15/cubic root 3 sqrt x^15

Click here to see answer by jsmallt9(591)

Question 201854: how do you find the roots of an equation?
Click here to see answer by rfer(2688)

Question 201854: how do you find the roots of an equation?
Click here to see answer by jim_thompson5910(13792)

Question 201884: 3 sqrt x -4 = 2 please solve!
Click here to see answer by vleith(1977)

Question 201942: sqrt 50 / sqrt 2
Click here to see answer by jim_thompson5910(13792)

Question 201942: sqrt 50 / sqrt 2
Click here to see answer by jojo14344(1483)

Question 202029: What number would be placed in each of the empty blanks to complete the square? x^2+7x+ =12+ .
Click here to see answer by jim_thompson5910(13792)

Question 202326: square root of 90
Click here to see answer by stanbon(26273)

Question 202363: if (125/27)^x = the cubic root of 0.6 then the value of x is _______

Click here to see answer by Theo(675)

Question 202373This question is from textbook Algebra Structure and Method
: I don't undeerstand what the text book is saying about these
Thanks for the help.
Express in simplest radical form.
sqrt m sqrt m^2
And
sqrt m^2 over n^2This question is from textbook Algebra Structure and Method

Click here to see answer by RAY100(1637)

Question 202372This question is from textbook Algebra Structure and Method
: I am not sure if these are right or I need to go further with the problem text said not to use a table or calculator Show all work.Please help Thanks
Express in simpliest radical form
sqrt 3/5 I get sqrt 15/25 simplest radical form
3 sqrt 13/3 I went 3 X sqrt 13 ove sqrt 3 + 3 X 3.61 over 1.74 + 8.83 simplest radical formThis question is from textbook Algebra Structure and Method

Click here to see answer by RAY100(1637)

Question 202374This question is from textbook Algebra Structure and Method
: I am not sure which answer is right Expres in simplest radical form
sqrt 2 + sqrt 2/49 I have 2 answers 1.41 sqrt 1.41 over 7 or is it or is it 2/7
Thanks for any helpThis question is from textbook Algebra Structure and Method

Click here to see answer by Theo(675)

Question 202376This question is from textbook Algebra Structure and Method
: Solve One eighth of the square toor of 7 less than a number is 2 What is the number. Am I on the right track with 1/8 sqrt x - 7 = 2 and where do I go from here.
Thanks for any helpThis question is from textbook Algebra Structure and Method

Click here to see answer by RAY100(1637)

Question 202375This question is from textbook Algebra Structure and Method
: I am not sure which answer is right Express in simplest radical form text said to not use calculator. (sqrt2 - 3)(sqrt2 + 3) I get (-1.59)(-1.59) or is the answer sqrt4 = 2
And (sqrt3 - sqrt5)(sqrt3 - sqrt 5) don't they just cancel each other out to = 1
Thanks for any helpThis question is from textbook Algebra Structure and Method

Click here to see answer by stanbon(26273)

Question 202630: Please help me solve this:
The square of a positive number is six more than five times the positive number. Find the number.
x^2 = 5x + 6

Click here to see answer by nerdybill(2446)

Question 202704This question is from textbook
: Simplify in simplest radical form
Not sure if I have these right or I have to go further

I get
And

I get
I'd appreciate it if someone could tell me if these are rightThis question is from textbook

Click here to see answer by jsmallt9(591)

Question 202919This question is from textbook
: I would appreciate it if someone could tell me if these are right. Thanks so much
Express in simplest radical form.
sqrt 25a^2b^2
I get 5ab^2 = sqrt25 x sqrta^2 x sqrt b^2 = 5 horizonal line ab horzonal line
sqrt 50x^2
I get sqrt50 x sqrt x^2 = 50 horizonal line x horzonal line or is this right
sqrt 25times2 = 25sqrt x 2sqrt = 5sqrt2
6sqrt7 x 3 sqrt5
I get (6 x 3) (sqrt& x sqrt5) = 18 sqrt35
3sqrt2 + sqrt50
I get 3(sqrt52) or do I have to simplify the sqrt50 down further
This question is from textbook

Click here to see answer by Earlsdon(4900)

Question 203195: I need help rationalizing....
9 times the cubic root 2 over/divided by the cubic root 5 minus cubic root 2.
Please help! Soory my keyboard will not allow me to type the equation.
Click here to see answer by jim_thompson5910(13792)

Question 203301: find three consecutive odd integers such that the sum of the smallest and 7 times the largest is 68
Click here to see answer by RAY100(1637)

Question 203537: Find the lengh of one side of a square field whose area is 50 meters square.
Click here to see answer by rfer(2688)

Question 203538: √(3/2) - √(2/3)
I dont get this i tried and i get √(30)/6 but the answer says its wrong.
Click here to see answer by checkley77(7049)

Question 203547: The side of an equilateral triangle are each s units long. Find the altitude (h) in terms of s. Write the answer in simplest radical form.
Click here to see answer by Earlsdon(4900)

Question 203539: √(2/5) + √(10)
Is (2√(65)/5) right?
Click here to see answer by scott8148(3382)

Question 203898: 2 times the sq root of 90 + 3 times the sq root of 40 - 4 times the sq root of 10 = ??
Click here to see answer by lazi(15)

Question 203858: What is the square root of 24m21n51?
Click here to see answer by Alan3354(6079)

Question 204703: radical equation 3rd root of x minus 4 = 0
Click here to see answer by stanbon(26273)

Question 204609: Add or subtract. Then simplify by collecting like radical terms, if possible.
21sqrt5 - 13sqrt5
Click here to see answer by checkley77(7049)

Question 204607: Simpligy br factoring:
sqrt 245k^7q^8
Click here to see answer by checkley77(7049)

Question 204595: simplify (4-2i)(3-3i)
Click here to see answer by checkley77(7049)

Question 205049: I need help figuring out (2+the square root of 3)(3-the square root of three)
Calculators did not help solve the answer. I tried the foil method but I am getting stuck on how to foil square roots.. Please help me. I would appreciate it very much.
Click here to see answer by nerdybill(2446)

Question 205169: Id have a question; I should find out what the possible rational roots of x^3 - 4x^2 + 2x + 1 are, I am not sure if 3.303, -0.303, 1 are right and
I totally dont understand how to use synthetic substitution, to find out which of the possible rational roots are actually a root of the equation. Could someone please help me with this?
Click here to see answer by Alan3354(6079)

Question 205460: The question is as followed:
Without the use of a calculator explain how in the olden days they used to evaluate the following.
Square Root of Two (2) √2
Square Root of Seven (7) √7
" " " Thirteen (13) √13
" " " One Hundred and sixty nine (169) √169
I'm unsure where to ever start with this.
Click here to see answer by jim_thompson5910(13792)

Question 205589: The question is: Simplify: (3 times the square root of 5)^3
what i did so far was wrote the whole equation out. As (3 times the square root of 5) 3 times. Then i multiplied 3, 3 times to get 27. then i multiplied 5, 3 times to get 125. I don't know what to do next. This is a multiple choice question. The choices are: 15, 125, 5, and 5,-5.
Click here to see answer by Alan3354(6079)

Question 205597: This is a 3 part question but i already answered the first part on my own. The other two parts are to Simplify: the square root of 44 and the square root of 11 over 16
Click here to see answer by stanbon(26273)

Question 205652: solve -9 square root of 400 x to the 4th y to the 2nd
Click here to see answer by Targetweek(62)

Question 205706: x to the 3/2th power = 27
Click here to see answer by RAY100(1637)

Question 205164: Could someone please help me out with this problem; which are the possible rational roots of x^3-4x^2+2x+1=0? using the synthetic substitution, which of the possible rational roots is actually a root of the equation?
My brains dont seem to work right when it comes to roots =(
Click here to see answer by stanbon(26273)

Question 205925: cube root of 2 plus square root of 3, what is the answer?
Click here to see answer by Alan3354(6079)

Question 205979: There are four problems I need help with.
Solve algebraically.
1. cuberoot(x)-5=3
2.x^3/2=27
3.3/4=1-3x-2/x+1
Sove algebraically and check your potential solutions.
4.square root of x+2-x=0
Click here to see answer by stanbon(26273)

Question 206004: Given that log[a]5=0.8271 and log[a]20=1.5395 fing log[a]4
Click here to see answer by Edwin McCravy(2922)

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