I am racking my brain trying to figure out how to work this: the square root of 55 minus the square root of one over 55 plus the square root of 5 over 11. Do I use conjugates? Ahhhh!
53,334 results
ALGEBRA
1, Factor each expression x^2  10x  24 A. (x + 4)(x  6) B. (x + 6)(x  4) C. (x + 2)(x  12) D. (x + 12)(x  2) 2, x^2  36 = 0 A. (1 + square root of 3, 1  square root of 3) B. (6,6) C. No solution D. None of these 3, Factor each expression 49 x^9 

math
1. Which of the following numbers is a rational? A. 4/5 B. square root of 27 C. 4.02002000200002... D. Square root of 31 2. Which type of number is shown below? 0.313311333111... A. repeating decimal B. rational C. irrational D. terminating decimal 3.

Math Answer Check
P is a point on the terminal side of θ in standard position. Find the exact value of the six trigonometric functions for θ. P(8, 8) Ans: cotangent: 1 secant: negative square root 2 cosecant: negative square root 2 sin: square root 2 / 2 cosine: square

Math ~CHECK MY ANSWER~
1) Which of these is a rational number? a. Pi b. Square root 3 ****** c. Square root 2 d. 1.3 (the # 3 has a line at the top) 2) Which of the following sets contains 3 irrational numbers? a. Square root 120 , n , Square root 3 ****** b.  Square root 256 ,

Math
1. Which of the following numbers is a rational? A. 4/5 B. square root of 27 C. 4.02002000200002... **** D. Square root of 31 2. Which type of number is shown below? 0.313311333111... A. repeating decimal B. rational C. irrational **** D. terminating

Algebra
Use the quadratic formula to solve the equation. Give exact answers: 2x^2 1 = 6x. The choices are: a) 3 + square root(7)/2, 3  square root(7)/2 b) 3 + square root(11)/2, 3  square root(11)/2 c) 3 + square root(7)/2, 3  square root(7)/2 d) 3 + square

Tirginometry
the expression 4ab(square root of)2b3a(square root of)18b^3+7ab(square root of)6b is equivalent to... (a)2ab(square root of)6b (b)16ab(square root of)2b (c)5ab+7ab(square root of)6b (d)5ab(square root of)2b+7ab(square root of)6b Please help its due

Math Help!
Which two square roots are used to estimate square root 67? A. Square root 36 and Square root 49. B. Square root 49 and Square root 64. C. Square root 64 and Square root 81. D. Square root 81 and Square root 100. Is the answer C? Thanks

Math: Please check
Which radical expression is in simplified form? A.) 11y/3 square root *B.) square root of 6/5y C.) square root of 17/square root of 4 D.) square root of 25/81 Thank You

math
Say if these numbers make a right triangle and a Pythagorean triple: 2, 2 square root 2, and 2 square root 3. I am confident that the answer for both parts of the question is no, because when 2 is squared and when 2 square root 2 is squared it is larger

algebra
1)Write the expression 9n^6+7n^36 in quadratic form,if possible A.9(n^3)^3+7n^36 B.9(n^2)^3+7(n^2)6 C.9(n^3)^2+7(n^3)6 D.not possible I'm thinking C on this one but im not sure 2)solve b^4+2b^224=0 A.2,square root of 6,square root of 6,2 B.square

Math
1. Rosa, Roberto, Andrea, and Inno find an estimate for square root 10. Who has proposed the best solution? (1 point) Rosa: "Use square root 9 and square root 25 to estimate." Roberto: "I will use square root 4 and square root 9." Andrea: "It should be

Calculus
A rectangle is bounded by the x axis and the semicircle = square root 25x^2. What length and width should the rectangle have so that its area is a maximum? When I worked the problem out(which is a bit detailed). I started with y = square root 25x^2 then

algebra
Which shows the expressions in the order they would appear on a number line from least to greatest? 17 over 9, square root of 6, square root of 15, square root of 30, 3 to the power of 3 3 to the power of 3, square root of 30, square root of 15, square

math
1) Which of these is a rational number? a. Pi b. Square root 3 ****** c. Square root 2 d. 1.3 (the # 3 has a line at the top) 2) Which of the following sets contains 3 irrational numbers? a. Square root 120 , n , Square root 3 ****** b.  Square root 256 ,

Physics
A certain amount of work is required to stretch a spring from its equilibrium position. (a) If twice the work is performed on the spring, the spring will stretch more by a factor of (1)square root of 2 (2)2,(3)1/square root of 2, (4)1/2. Why? (b) If 100J

Math
Rationalize the denominator. Assume that all expressions under radicals represent positive numbers. The square root of 3y^4 to the third root divided by the square root of 15x^4 to the third root. Here is what I have so far: I multiplied. The square root

math
2.)If f(x)=3x,g(x)=x3,and h(x)= the square root of x, find (fogox)(X). I really didn't get this will someone please show me how to do it? This I what I did to solve for it: 3(x3) 3(he square root of 253 3(53) 159=6 Ok here is another way I solved for

math
2.)If f(x)=3x,g(x)=x3,and h(x)= the square root of x, find (fogox)(X). I really didn't get this will someone please show me how to do it? This I what I did to solve for it: 3(x3) 3(he square root of 253 3(53) 159=6 Ok here is another way I solved for

8th grade math
firefighters have a 35 foot extension ladder. In order to reach 30 feet up a building, how far away from the building should the foot of the ladder be placed? Express your answer in simplest radial form a^2+b^2=c^2 30^2+x^2=35^2 900+x^2=1225 900 900

math
1. Which of the following numbers is a rational? A. 4/5 **** B. square root of 27 C. 4.02002000200002... D. Square root of 31 2. Which type of number is shown below? 0.313311333111... A. repeating decimal B. rational C. irrational*** D. terminating decimal

math
Four students work to find an estimate for square root 37. Who is closest to finding the true estimate? (1 point) Rhonda: "Use square root 16 and square root 25 to estimate." Ricardo: it should be between square root 25 and square root 36." Riley: "i use

math
Four students work to find an estimate for square root 54. Who is closest to finding the true estimate? (1 point) Rhonda: "Use square root 16 and square root 25 to estimate." Ricardo: "I use square root 25 and square root 36." Riley: "It should be between

Math simplifying mixed radicals
Please help me simplify these following mixed radicals:: and show me how you did it cause I need to learn : I don't know how to type a square root sign so I just wrote square root and the numbers infront of the square root are supposed to be multiplied. 2

math
What does it mean to have the sqaure root of 5 with a 2 in front of it? How do you figure it out? 2 sqrt 5 is two times the square root of 5. It depends where the 2 is placed wrt the square root symbol. If it is on the same line as the square root symbol,

Math
Just need some help... Directions: Multiply or raise to the power as indicated... Then simplify the result. Assume all variables represent positive numbers. 1. 5(square root of 6) times twothirds(square root of 15)= 3 onethird (square root of 90)= (This

math
Let F1=(6,0) ,F2=(6,0) A=(10,0)64 + and B=(10,0) write an equation of the set of all points p(x,y) such that (PF1/pluse /PF2/=20. now i know the problem is the square root of (x+6)^2 +y^2 + the square root of (x  6)^2 + y^2 = 20 and the anserew is

Math Help
the square root of 3 times the square root of 15 also the square root of 18 times the square root of 3 To multiply square roots: sq rt of z times the sq rt of y It would be the square root of zy The first one is 3x15 = 45 So it's the square root of 45.

MATH
Which expression is a polynomial???? A: 11 0ver the square root of x B: square root of 11 times x C: x  square root 11 D: 11 over the square root of x to the 2nd power (sorry I am not sure how to insert square root symbols or fractions, so u have to

Math
1. Which of the following numbers is a rational? A. 4/5 B. square root of 27 C. 4.02002000200002... **** D. Square root of 31 2. Which type of number is shown below? 0.313311333111... A. repeating decimal B. rational C. irrational **** D. terminating

math
Use a calculator and systematic trial to approximate each square root to 2 decimal places. SHow your work. a) square root of 20= B) Square root of 55= c)square root of 115= What would systematic trial mean and what do they mean by approximate each square

Math
Simplify by taking roots of the numerator and the demoninator. Assume that all expressions under radicals represent positive numbers. The square root of 243x^6/y^20 to the fifth root. Here is what I have so far: the square root of 243x^6 to the fifth root

PreAlgebra
8. Mark needs to cut a piece of glass to replace a broken window. He has four pieces of glass: 6 feet long, 5 feet long, 3 feet long, and 7 feet long. If the length of the glass he needs to cut is square root 20 feet long, which piece of glass should he

math
simplify  square root of 48x^3y^2 Your problem: √48x^3y^2 Try to break it down as far as you can in order to simplify. √(16 * 3)(x^2 * x)(y^2) The square root of 16 is 4. The square root of x^2 is x. The square root of y^2 is y. Therefore, you end up

Algebra
I am racking my brain trying to figure out how to work this: the square root of 55 minus the square root of one over 55 plus the square root of 5 over 11. Do I use conjugates? Ahhhh!

Math
What are the solution sets of the following 3 problems,the square root of x squared + 3x = x3, the square root of 3x + 10 = x + 4 and finally the square root of 8x  2 = the square root of 2x? Help much appriciated. I will one as an example. sqrt(3x + 10)

Algebra 2
could you walk me thorugh these problems simplfy square root 18  3 times sqaure root of 50 plus 5 times the square root of 80  2 times the square root of 125 I'm having troubles with the square root of 80 all of the other radicals can be simplfified with

Algebra
Rationalize each expression by building perfect nth root factors for each denominator. Assume all variables represent positive quantities. I don’t understand how to compute these. Also I don’t have the square root sign so I typed it out where it would

Math simplifying mixed radicals
Please help me simplify these following mixed radicals:: and show me how you did it cause I need to learn : I don't know how to type a square root sign so I just wrote square root: 2 square root 48 3 square root 81 6 square root 12 3 square root 32 2

square roots
i know this problem is really easy but i am having a brain freeze day will someone please help me figure out what the square root of 32 is? Please & thank you!

Math Help!
Four students worked to find an estimate for square root 22. Who is closest to finding the true estimate? A. Tiffany: "Use square root 16 and square root 25 to estimate." B. Todd: "I use square root 9 and square root 16." C. Trenton: "It should be square

PreCalculus
Solve 0 = 3x^2 + 5x 1 by completing the square. Express your answer as exact roots. 3(x^2 + 5/3 + 25/36) = 1 (x+ 5/6)^2 = 37/36 sq root( x + 5/6)^2 = sq root (37/36) x + 5/6 = + sq root 37/6 x = 5/6 + square root 37 /6

Algebra
1.) Which of the following numbers could be added to 3/16 to make a sum greater than 1/2? 5/16 10/32 2/6 1/4 Which of the following pairs of numbers provides the best estimate of (square root of 45)? (square root of 25) and (square root of 36 (square root

Math ~CHECK MY ANSWERS~
1) Which of these is a rational number? a. Pi b. square root 3 ****** c. square root 2 d. 1.3 (the # 3 has a line at the top) 2) Which of the following sets contains 3 irrational numbers? A. square root 120, n, square root 3 ****** b.  square root 256,

algebra
1.)correct 2.)wrong> the first term is wrong 4(3a^2)^2 = 36a^4 3.) not sure on this one 4.) wrong>  square root of six is not a solution Hope this Helps! 1)find p(3)if p(x)=4x^35x^2+7x10 =184 2)If r(x)=4x^23x+7,find r(3a^2) =12a^49a^2+7

Algebra
When you're breaking down the square root in the quadratic formula into several parts say it was the originally the square root of 80 so you break it down to square root of 4 and square root of 20would the results be added or multiplyed? Because I know

Math
What is the square root of 12? 3.464 Well, that's true, but you could simplify it in radicals. The square root of 12 is the same as saying the square root of 3 times the square root of 4. The square root of 4 is plus or minus 2, so you could say (I wish I

Math PLEASE HELP ASAP
PLEASE INCLUDE SOLUTIONS AND EXPLAIN HOW YOU DID IT PLEASE. *CHALLENGE. 1.SIMPLIFY : SQUARE ROOT OF 16^8+8^4/16^2+16^7 2.EXPRESS 1 + 1/1+SQUARE ROOT OF 2  1/1SQUARE ROOT OF 2 IN THE FORM A+B SQUARE ROOT OF 2, WHERE A AND BARE RATIONAL NUMBERS. FIND A +

math
Nakim simplified 3 times the square root of 2x plus x times the square root of 8x minus 5 times the square root of 18x and got 10x times the square root of 2x for an answer. Part 1: Using complete sentences, explain what Nakim did wrong. Part 2: Show all

Algebra
I am supposed to "write each expression with a rational denominator" 1/thesqrootof 3. I follow the book's explanation, until it suggests dividing the sq. root of 3 by the square root of 3 times the square root of three. I do not understand how that reduces

math
helow answer. show work how to figure out the below (1.2)square root + (2.8) sq. root = 3.1

Algebra
69: 16x^2+8x3. I inserted this into the quadratic formula and got 8+/ the square root of (8^24(16)(3)/(2 times 16). This reduced to 8+/ the square root of (64+120)/32, which further reduced to 8+/the square root of 184/32. I reduced the top part

Algebra
How do you work square root problems when there is a number outside the radical that needs to be divided out. Example: 2(square root of 5x1)=3(square root of 2x+4). How can you get both of the radicals by themselves in order to solve the equation?

Math
Could someone please help me with this math problem? This is what I have so far but now I am stumped as to what to do next. Multiply and simplify by factoring. The square root of 18 * square root of 40. The square root of 18= the square root of 9*2. The

Calculus
square root of (12), square root of (12 + square root of (12)), square root of (12+ square root of (12+ square root of (12))) Write a recursion formaula for an(subcription), n greater than or equal to 2.

PreCalculus
I think I need help with this problem 3+ square root(x6) = square root of (x+9) I thought I should square everything to get rid of square root signs so I had 9 + x6 = x+ 9 then I would have x+ 3once I subtracted 96 from the left side = x+9 on the right

MTH 157
I need help on these two questions. 1. Describe what happens to the three points of concurrency that determine the Euller lines when the triangle is (a) isosceles, (b) equilateral 2. Which of the following triples of numbers can be the sides of a right

Math radical equations
Please show me how to do these step by step because I have a test tomorow and I need to understand how to do these questions : 1. M1 under the square root sign +5= m2 2. 3n+10 under the square root = n+4 3. K9 under the square root  (k under square

Algebra
solve for x: square root 2x+3 = square root 6x  1. A.) 1 B.) 2 C.) 3 D.) square root 6 I don't know how to do these so will you please show your work. Thsnk You.

MATH
how do you simplify square root of 27 minus square root of 49 all divided by square root of 3. I have gotten two different answers when I tried to check it. It kind of looks like (2749) (3) except all the numbers have their own square root symbol. I don't

Algebra
how do you simplify square root of 27 minus square root of 49 all divided by square root of 3. I have gotten two different answers when I tried to check it. It kind of looks like (2749) (3) except all the numbers have their own square root symbol. I don't

math
Which of the following sets contains 3 irrational numbers ? a. { square root of 120 , pie , square root of 3 } b. {neg. square root of 256 , 1/9 , 1/12} c. {3.14 , 47 , 100} d. {pie , square root of 0.36 , square root of 121}*

Algebra check?
Sorry the first post formatted weirdly. 1. 3i  10  8i  5 Answer 74 65i  +  89 89 2. 11i^2 + 1  12i  8 Answer: 5 (2  3 i)  26 3. square root 25 * 8 square root 49 Answer: 280 4. square root 64 + 12 square

Algebra
Can you tell me if my answers are correct for these problems? 1. 3i  10  8i  5 Answer 74 65i  +  89 89 2. 11i^2 + 1  12i  8 Answer: 5 (2  3 i)  26 3. square root 25 * 8 square root 49 Answer: 280 4. square

Math
What is 20 to the 1/2 power? How do you figure it out? That would be the square root of 20, which is also 2 times the square root of 5. Use a calculator to get the value, which is about 4.47. A log table or slide rule could also be used.

Algebra (urgent!)
I am a bit confused about conjugates in algebra. I am supposed to multiply 8/(the square root of two + 4) by the square root of 2 4. My math book then goes on to simplify this to (8 times the square root of two minus 32) divided by (24 times the square

Algebra
I am a bit confused about conjugates in algebra. I am supposed to multiply 8/(the square root of two + 4) by the square root of 2 4. My math book then goes on to simplify this to (8 times the square root of two minus 32) divided by (24 times the square

Advanced math
solve xsqrt(2x+1)=7 Can someone explain how to work this out. Im not exactly sure how you figure the square root part.

Math
How do I figure these 2 out. Find standard form a +bi (4 square root 9) ( 3 square root 5) x^2 3x+4 evaluated for x=1+i

Algebra
I cant write the sign for square root so I will just write it out. The problem says to simplify square root 5w^8v square root 20xu^2 I don't know how to figure out this problem.

Algebra
Will you please check my work? I'm supposed to "Use square roots to solve the following equations; round to the nearest hundredth, if necessary." 1. 5x^2  256 = 651 My Work: 5x^2  526 + 526 = 651 + 526 (sq root of) 5x^2 = (sq root of) 125 = 5x/5 =

Intermediate Algebra
simplify the the lowest term 1. square root of 40x^3 2. square root of 3/4 times square root of 4/7 3. square root of 6 + square root of 20

Algebra
Express the following in simplest radical form. All variables represent positive real numbers. square root of 80a^2b divided by the square root of7a^3b^7 I got an answer of 4 square root of 5 divided by b^3 square root of 7a

College Algebra
I need some help with a handful of questions. I need to see the steps on how to get to the final answers. I would also appreciate if you can explain how you got to those steps. Rationalize each expression by building perfect nth root factors for each

College Algebra help please
I need some help with a handful of questions. I need to see the steps on how to get to the final answers. I would also appreciate if you can explain how you got to those steps. Rationalize each expression by building perfect nth root factors for each

College Algebra
I need some help with a handful of questions. I need to see the steps on how to get to the final answers. I would also appreciate if you can explain how you got to those steps. Rationalize each expression by building perfect nth root factors for each

Math
Four students work to find an estimate for square root 27. Who is closest to finding the true estimate? (1 point) Chelsey: "Use square root 16 and square root 25 to estimate." Carley: "I use square root 25 and square root 36." Jamie: "It should be between

algerbra
could you please double check my work question:find the roots of the equation 2x^2+8x=12 by completing the square. leave answer in simplest radical form. work and answer: c=(b/2)^2 c(4/2)^2=4 2x^2 +8x=12 divide everything by 2 x^2 + 4x=6 x^2+4x+4=10

Math
simplify the expression (4 square root of x)/(6square root of x) I need help with this. I've worked it out to the point where i got (2 square root of x)/(3square root of x), but I'm pretty sure that it can be simplified further. If what I'm thinking is

Math
simplify the expression (4 square root of x)/(6square root of x) I need help with this. I've worked it out to the point where i got (2 square root of x)/(3square root of x), but I'm pretty sure that it can be simplified further. If what I'm thinking is

math
Here's my question: Determine if each system has one, two, or no solutions. (Show your work  3 marks each) a)y=2x^22x+1 and y=3x5 b)y=x^2+3x16 and y=x^28x18 Here's my work on the question: a) x=(b plus/minus sign (square root b^24ac)/(2a) x=(2

math
Please help I'm so confused!!!! 1. Which two square roots are used to estimate the square root of 5? a. square root of 1 and 2 b. square root of 2 and 4 c. square root 4 and 9 d. square root of 9 and 16 2.Which two square roots are used to estimate square

Math
(2+3i)^6 Using Demoirves Theorem. I tried solving it out, but somehow it didn't work for me. (2+3i)^6 r=z=square root of 2^2 + 3^2 = square root of 13 z = square root of 13 * (cos____ + isin_______ ) At this point I am stuck, so can someone help me?

Algebra
Could you please help me with this question? Simplify 6/Square root of 32. Also, could you help me with the steps on how to figure it? Thank you. a.4/square root of 3 b. 126 to the square root of 3 c. Square root of 32 d. 3

Algebra
Put in order from smallest to largest 12 6 square root 5 20 9 square root 6 16 square root 7 5 48 11 8  square root 3 60 5/6 2 square root 5/5  square root 3 +2/5 The square root us confusing my son. Thanks so much

prealgebra
Which two square roots are used to estimate Start Root 8 End Root? A. Square Root 2 and Square Root 3 B. Square Root 3 and Square Root 4*** C. Square Root 4 and Square Root 9 D. Square Root 9 and Square Root 16

Pre Algebra
State if each number is Rational,Irrational,or not a real number? 1.)square root of 9/16 2.) square root of 9 3.)square root of 16 divided by 4 4.)square root of 8(2) 5.)square root of 25 divided by 8 6.)square root of 1/4 Please Help! I have been

Math
Which two square roots are used to estimate square root of 43? square root of 49 and square root of 64 square root of 25 and square root of 36 square root of 26 and square root of 64 square root of 36 and square root of 49 I'm not sure on this question,

math
What is 10*9*8*7*6*5*4*3*2*1? 10! or 3628800 100 1000 10^10 All (10) Unanswered (10) Answered (0) One day, a person went to a horse racing area. Instead of counting the... Y=log x If y=10, then what is x? What is 10*9*8*7*6*5*4*3*2*1? If

algebra
could someone please check these roblems for me and if they are not rightWOULD YOU PLEASE HELP E WITH THE CORRECT ONES THANKS!!! 1. Slove for X, wher X is the real number, square root 5x + 9= square root 9x + 13= 27 2. Find the value: ^3 square root 27= 9

Algebra
Hello Reiny, please check these problems for me and if they are not right WOULD YOU PLEASE HELP ME WITH THE CORRECT ONES THANKS!!! 1. Slove for X, wher X is the real number, square root 5x + 9= square root 9x + 13= 27 2. Find the value: ^3 square root 27=

math Please help!!
1. Which of the following numbers is a rational? A. 4/5 *** B. square root of 27 C. 4.02002000200002... D. Square root of 31 2. Which type of number is shown below? 0.313311333111... A. repeating decimal B. rational *** C. irrational D. terminating decimal

algbra
Simplify the expression (square root 100 over 49) a. 10 over 7 b. 17 c. 5 over 7*** d. 20 over 7 which sum will be irrational? a. 3+2 b. square root 19 + 7 over 2 c. 18 over 3 + 11 over 10,000** d. 6 + (3.251) which product will be rational _ a. 17.12 *

algebra
Simplify the expression (square root 100 over 49) a. 10 over 7 ** b. 17 c. 5 over 7*** d. 20 over 7 which sum will be irrational? a. 3+2 b. square root 19 + 7 over 2 *** c. 18 over 3 + 11 over 10,000 d. 6 + (3.251) which product will be rational _ a.

algebra
Simplify the expression (square root 100 over 49) a. 10 over 7 ** b. 17 c. 5 over 7*** d. 20 over 7 which sum will be irrational? a. 3+2 b. square root 19 + 7 over 2 *** c. 18 over 3 + 11 over 10,000 d. 6 + (3.251) which product will be rational _ a.

algebra 2
Not sure if either one of these answer are correct to simplify the sqrt for 24 1) 24 = 6 x 4 square root of 24 = square root of 6 x 4 2 root 6 2) sq root 24 = sq root (4x6)= sqrt 4 x sqrt 6= 2sq root 6=4.89898 3) Square root of 24 =sqrt (24) =sqrt(4*6)

math
Which of the following sets contains 3 irrational numbers ? a. { square root of 120 , pie , square root of 3 } b. {neg. square root of 256 , 1/9 , 1/12} c. {3.14 , 47 , 100} d. {pie , square root of 0.36 , square root of 121

Math repost
Please choose an acceptable screenname for future questions. ———————————— What is 10*9*8*7*6*5*4*3*2*1? 10! or 3628800 100 1000 10^10 ——— One day, a person went to a horse racing area. Instead of counting the... Y=log x If

Some Please Help me  PreCalc
Verify that the point ( square root(31)/7, 3square root(2)/7 ) lies on the graph of the unit circle. If it does, use symmetry to find three other points that also lie on the graph of the unit circle. (direction  Type ordered pairs). PS: The 3 is outside

Algebra: Please help
Solve for B: square root b^4/25 = 4. A.) 2 B.) +/ 5 square root 2 C.) 3 D.) +/ 2 square root 5 I don't know how to do these so please show your work. Thank you.