1. math 117

    x/6- x/8=1 Find a common denominator for the two x-terms on the left. Then do the subraction to get x/? = 1 You do the rest. These are not hard questions

    asked by Diana on July 11, 2007
  2. math

    subtract: express your answer in simplest form. 5x-3/6 - (x+3)/6 answer choices a) 4x-1 b) 2x-3/3 c) 2x/3 -1 d) 2x/3 show me hou to arrive at the correct answer get a common denominator. get a common denominator. I thought 6 was the common denominator, why

    asked by Diana on July 15, 2007
  3. math/algebra

    Can someone help me with this problem....5x/7-6x/5=3/35 find the common denominator for the left side You should get it to be 35 multiply both the numerator and the denominator by the number that makes each fraction have a denominaor of 35 After this

    asked by ms jay on August 19, 2007
  4. Algebra

    Please check for me. 7p - 7/p divided by 10p-10/5p^2 = 7p^2 6x - 6/x * 6x^2/8x-8 = 9x/2 I'm not sure how to answer this one. x/2 divided by 9/x + 5 I think it's x(x + 5) / 18 Without grouping symbols () it is impossible to understand the problems. The ^

    asked by Samantha on November 3, 2006
  5. math,correction please..

    (x)/(x-2) - (x+1)/(x) = (8)/(x^2-2x) I keep getting x = 6 can someone show me how you guys are getting x = -10 The lowest commond denominator is x(x-2) x/x *(x)/(x-2) - (x+1)/(x) *(x-2)/(x-2)=(8)/x(x-2) multiplying both sides by the common denominator..

    asked by jas20 on March 7, 2007
  6. Maths

    Write the following expression into its simplest form? (1/x-1-1/xsquare-1-1/x+1-4/xsquare+1)/ xraise to 4/xsquare-1 Let's use the symbol ^ to mean "raised to the power of" when using exponents. I'll try to decipher your expression: [1/(x - 1) - 1/(x^2 - 1)

    asked by Nawaf on November 21, 2006
  7. algebra

    Solve for x x/6-x/8 equals 1 Do fraction busters Find the least common denominator, which is 24. Change the fractions to where they have the same denominator. Change 1 to equal 24/24, and solve. Did this help? x/6 + x/8 = 1 multiply each term by 24, the

    asked by Tony on April 24, 2007
  8. java

    can anyone help me with this? I'm new to java! Write a program that will find the lowest common denominator of two numbers. The user will enter the two denominators, the program will output both the lowest common denominator and the multipliers required

    asked by Anonymous on April 7, 2012
  9. Math(Please Help)

    x-2 6x ____ - _____ 3x+4 x+1 *You are supposed to simplify the expresion.I really need help with this and some other problems.Please and Thank you.- Perhaps I could help but I can't make heads or tails of your posts. Try using parentheses (and / bar for

    asked by Margie on March 3, 2007
  10. java

    Write a program that will find the lowest common denominator of two numbers. The user will enter the two denominators, the program will output both the lowest common denominator and the multipliers required for each fraction. For example, if the user is

    asked by tj on April 15, 2012
  11. Algebra

    x/(x-3)-4-(2x-5)/(x+2) If the problem is this: x/(x - 3) - 4 - (3x - 5)/(x + 2) ...find a common denominator to start. The common denominator is (x - 3)(x + 2), then convert each term using the common denominator. Here's a start: [x(x + 2)/(x - 3)(x + 2)]

    asked by Sara on July 19, 2007
  12. Math

    Find the least common denominator for 1/8 and 1/12. What is the sum of these fractions in lowest terms?

    asked by Layla on April 5, 2017
  13. Math

    26 x 1/5 divided by 1/2 x 5. evaluate. I don't know if i'm supposed to find a common denominator and if i should use 10 as the common denominator.

    asked by Kiesha on August 24, 2009
  14. Math

    Ok so I totally forgot how to find a common denominator when your adding fractions, could someone please tell me the steps to do that? :) multiply. Multiply the denominators together and this gives the new denominator. Divide each denominator into the new

    asked by Kaitlin S. on April 12, 2007
  15. Please Check (Math2)

    a^2-9 a^2-3a ----- * ------- a^2 a^2+a-12 *I got: 3-3a/4 I don't think so. factor the a^2-9, and the second numerator to a(a-3) Then the denominator factored is a^2*(a+4)(a-3) So wait... don't I have to first have to take out the repeated thingys.? I don't

    asked by Margie on February 21, 2007
  16. Math

    I still do not understand fractions?????? 2/3 + 1/3 + 5/6 = divide all of them first then add them up ???. I am still lost, can someone please help me. Ok. In your earlier question, there was talk of the LCM, the least common multiple. Whenever you add

    asked by Andre on March 21, 2007
  17. Please Help Me Math

    Find the sum and express in simplest form. Show all work: x^2 2x-15 ----- *------ x^2-9 x^2-9 *I don't get this at alll.Plz help me. I assume you are trying to add, since the problem says "find the sum" and express in simplest form. x^2/(x^2-9) +

    asked by Margie on February 24, 2007
  18. Math

    Please help me I am terrible at math, and this is my last class before graduation.. 1. Find the value of X... x/6-x/8=1 2. Find the value of X...x/x-2-x+1/x=8/x^2-2x 3. Find the value of X...5/x+6+2/x^2+7x+6=3/X+1 4.Find the value of X...2/5=x-2/20 find

    asked by Helpless on May 23, 2007
  19. Calculus II

    So I'm trying to integrate a function using partial fractions. Here is the integral of interest: ∫(3x^2+5x+3)/[(x+2)(x^2+1)]dx. Since the numerator's degree of the polynomial is lesser than that of the denominator's degree, it is clear to separate.

    asked by Justin on April 25, 2016
  20. Math

    The first three terms of a GP are also the first,nineth and eleventh terms respectively of an AP. Given that the terms of the GP are all different,find the common ratio r,if the sum to infinity of the GP is 8. Find also the first term and the common

    asked by Bash on November 5, 2012
  21. math/algebra

    subtract. express in simplest form 13x/30 - 4x/ 15 = factor the first denominator. Get a common denominator. Combine terms. I will be happy to critique your work. ok 13x/30 - 4x/ 15 = This is where I get lost, I know that I have to fins the LCD but when I

    asked by Diana on July 15, 2007
  22. Can someone please help

    Can someone show me how to find the sum of this equation and put it in it's simpliest form? (x^2)/(x^2-25)+(7x+10)/(x^2-25) They have a common denominator: x^2-25 which can factor to (x+5)(x-5) The numerator will add to x^2+7x +10 which can factor to

    asked by Jojo on May 23, 2007
  23. Algebra

    Please explain to me how to do these problems...Thanks 1. Find the value of x...x/6-x/8=1 2. The combined resistance of two resistors r1 and r2 in a parallel circuit is given by the formula rt= 1/(1/r1)+ (1/r2)...simplify the formula... 3. Fungicides

    asked by Algebra Help on May 23, 2007
  24. math/algebra

    add:Express in simplest form 4x/(x^2 -18x +72) + 4/(x-6) factor the first denominator. Get a common denominator. Combine terms. I will be happy to critique your work. ok hers goes 4x/(x-6)(x-12) + 4/(x-6)= 4x + 4/(x-6)(x -12) or am I completely lost? you

    asked by Diana on July 15, 2007
  25. Find the sum

    Can someone how to find the sum and simpliest form of this equation?(x+4)/5+(2x+1)/5 It is not an equation because there is no = sign. It is a expression. You can simplify it a bit by realising it has a common denominator in both terms. This would be 3x+5

    asked by Mandy on May 23, 2007
  26. MATH!

    Finding Common Demoninators in fractions. 1) 2 4 -- - --- x^2-16 x^2+x-12 2) x-3 x+3 ---- + ------ x^2+2x-8 x^2+7x+12 Can ANYONE help me with these. I cant figure out how to get the DEMONINATORS THE SAME!? Use brackets to write these kind of fractions, the

    asked by megan on April 1, 2007
  27. math,correction

    Directions:Multiply Problem: ((x)/(3)+(3)/(4)) ((3x)/(4)-(3)/(5)) so the answer for it i got: ((20x^2+20x-36)/(80)) I worked it and I have what you have EXCEPT 29x instead of 20x. If you can't find the error, post your work and we can help you find it.

    asked by Jasmine20 on January 24, 2007
  28. Algebra

    I am trying to factor polynomials by grouping the first two terms and the last two terms, but I am having some issues, I have done a few correct since I can look at the answers to the odd problems but it is taking me arund 25 minutes per problem. here is a

    asked by Ragan on July 27, 2007
  29. Intermediate Algebra

    Am I going in the right track? 8x -1/x + 5x - 3/2x = 16x^2 - 2x/2x^2 + 5x^2 - 3x/2x^2 16x^2 - 2x + 5x^2 - 3x/2x^2 =21x^2 - 5/2x^2 Find the LCD 6/7z- 28, 8/x^2 -4x = 7x(x-4) Simplify 3x^2 - 2x/15x-10 = x/5 Let's start by looking at your first problem: 8x

    asked by Richard on November 3, 2006
  30. bobPursley2...the other one

    Problem 2: (x+2)/(2x^2+5x+2) - (x-3)/(2x^2-5x-3) What I did: 2x^2+5x+2 factors are (2x+1)(x+2) 2x^2-5x-3 factors are (2x+1)(x-3) Then: (x+2)/(2x+1)(x+2) - (x-3)/(2x+1)x-3) So the common denominator is (2x+1)(x+2)(x-3) using that combine the fractions. I

    asked by Margie on March 4, 2007
  31. MATH!

    PLEASE HELP! Okay I'm DESPERATE. Can somebody please tell me what n^3-64 divided by n-4 is? And for x/x+2 - 4/x-2 - 1 is the answer 2(-3x+2)/(x-2)(x+2 n^3-64 is a difference of cubes: you should have an equation to factor it.

    asked by Judy on February 22, 2007
  32. HELP MATH

    how would u simplify this problem i think it is 60 --- x^6 am i right the problem is 5 4 3 _ + ___ - ___ x x^2 x^3 I'm going to assume your problem is this: 5/x + 4/x^2 - 3/x^3 To simplify, find a common denominator, which is x^3 in this case. Using the

    asked by cassii on August 8, 2006
  33. i need help asap! please. :)

    ok, can somebody explain how to do this? simplify by adding like terms. write the answer with all variables in the numerator. x^2y 4x^2p^3 2xp 5y ---- - ------- - ------- - ----- p^-3 y^-1 y^-1p^2 p^-3x^-2 PLEASE HELP ME!!!! i'm homeschooled so i cant

    asked by AlLy ElIzAbEtH on August 18, 2005
  34. math

    what does it mean for a fraction to be in simplest form? A.the numerator and denominator share a common factor greater than 1. B.the numerator and denominator share a common factor lesser than 1. C.the numerator and denominator have no other factors than

    asked by GaLaXy.ExE hAs CoRrUpTeD aNd HaS cRaShEd on September 4, 2018
  35. Algebra

    I'm having trouble working out these problems. Could someone please assist? with this first one do I factor the x^2 + 3xy - 18y^2 first? x - 3y * x^2 + xy - 30y^2 / x^2 + 3xy - 18y^2 3a^3b^2 * 4a^2 + 2ab + b^2 8a^3 - b^3 12ab^4 3y + 12 / 9y+36 8y^3 16y^3

    asked by Susan on July 14, 2006
  36. arithmetic

    1. The first and last term of an A.P are, a and l respectively, show that the sum of nth term from the beginning and nth term from the end is a + l. 2. If mth term of an A.P be 1/n and nth term be 1/m, then show that its mnth term is 1. 3. The sum of four

    asked by kartik hans on May 24, 2014
  37. arithmetic

    1. The first and last term of an A.P are, a and l respectively, show that the sum of nth term from the beginning and nth term from the end is a + l. 2. If mth term of an A.P be 1/n and nth term be 1/m, then show that its mnth term is 1. 3. The sum of four

    asked by kartik hans on May 23, 2014
  38. Math

    I don't get what the problem is asking? "Which of the following shows the next step using the least common denominator simplify 7/8 - 5/6?" there's 4 answers, A. (7/8 x 3/3) - (5/6 x 4/4) B. (7/8 x 4/4) - (5/6 x 3/3) C. (7/8 x 5/5) - (5/6 x 7/7) d. (7/8 x

    asked by Lea on April 20, 2010
  39. Math

    How do you add this? -5/6 + 1/2 -5/6 + 1/2= 8/6 I know to find the lowest common denominator,which is 6, but the numerator is larger than the denominator which is 8/6. How do I solve? Wouldn't the answer be -1/3? yes, the correct answer is -1/3 They must

    asked by Stephen on March 2, 2007
  40. math

    1/a-1/b ------- a/b-b/a please simplify triple decker fraction you will have a common denominator of ab for the top and a common denominator of ab for the bottom, so they will cancel remember that to divide one fraction by another, you multiply the first

    asked by cody on April 19, 2007
  41. arithmetic

    How do i find the common ratio, when the 1st, 2nd and 7th terms of a A.P with common difference 2 are the first three terms of a G.P .

    asked by Ren on February 11, 2010
  42. math

    what is an eay way to add 1/5 1/2 and 1/7. I have to find a number that they all go into for a similar denominator right? but how do I do that without taking forever. Multiply the denominators: 5 x 2 x 7 = ?? =) As Writeacher has noted, the common

    asked by I dunno on July 28, 2007
  43. College Algebra 1

    help! 2x/1+x-1/1-x=2 Get a common denominator. As I see your problem (you did not use parenthesis), the common denominator will be (1+x)(1-x) Thank you!

    asked by Gabrielle on October 26, 2006
  44. subtracting fractions

    4/5-2/3=? Find the least common denominator of 5 and 3 so that you can convert the two fractions to fractions that have the same denominator, then you can subtract them. Repost if you still have trouble.

    asked by cassie on January 3, 2007
  45. Algebra

    I am stuck, pleas help, i have the example but I am still not able to figure it out... Find the value of X...5/x+6+2/x^2+7x+6=3/X+1 Find the value of X...2/5=x-2/20 First, get the X terms on one side of the equation and the numbers on the other. 2/5=X-2/20

    asked by Helpless Again on May 23, 2007
  46. Math

    Hi How do I add x/(x+1) + x^3? How do I divide those two numbers as well? adding: get a common denominator, x+1 x/(x+1) + x^3(x+1)/x+1 x(1 + x^3 + x^2)/(x+1) divide? I am not certain what you mean. Thank you so much! What I mean is how do I divide x/(x+1)

    asked by Lisa on March 3, 2007
  47. math very urgent

    First, do you get the same sum when you use 18 rather than 9 as a common denominator for 2/3 and 4/9? Explain the answer. Also what extra step will you have to perform if you do not use the least common denominator when adding fractions? Please explain the

    asked by Anonymous on December 10, 2012
  48. Maths

    The 2nd, 5th, and 14th term Of an AP are consecutive terms of a GP. Given that the sum of the three terms of the AP is 9, find the A, first term and the common difference of the AP. B common ratio of the GP C sum of the first three terms of the GP

    asked by Kwame on November 16, 2016
  49. Day secondary school kataeregi

    The first and last terms of an a.p are 79 and 5 and it's sum is 814 find(a) the number of terms in the a.p(b)the common different between them.(c) the 9th terms is of an a.p is 52, while the 12th terms is 70 find the sum of it's 20th terms.

    asked by Muhammad haruna ubandawaki on November 1, 2015
  50. Math2(Please Help)

    4x 8 ___ - ______ x+2 x-1 *Simplify The Expression I'm going to assume your problem is this: 4x/(x+2) - 8/(x-1) Use a common denominator since the denominators are not the same. Common denominator is: (x+2)(x-1) Rewriting the problem, we have:

    asked by Margie on March 3, 2007
  51. SAT Math

    True or False: The least common denominator of each denominator in the following rational expression is (z-4)(z+4)(z-1)(z+1): 8 / z^2+5z+4 = 1 / z-4 + 1 / z-1 I am stuck on this one...

    asked by mysterychicken on May 31, 2013
  52. math

    i am having trouble on solving fractional equations such as: 2 3 7 ______ + _____ = ______________ x+3 x+4 x^2 +7x+12 factor the right side denominator, then look for what factors make up a common denominator. For each fraction, multiply the numerator and

    asked by Katherine on March 17, 2007
  53. algebra

    Could someone please help me to slove this question. (2y/x^2)+(7/x(x-3)) get a common denominator (x^2*x*(x-3)), combine the fractions. Notice there is a y in the first numerator, and no y's in the denominator. Consequently, there will not be a lot of

    asked by Travell on July 17, 2007
  54. Math(arithmetic & Geometric Series)

    1)The sum of 6 terms of an arithmetic series is 45, the sum of 12 terms is -8. Find the first term and the common difference? 2)If in a geometric sequence the sum of the second and the third is 20 and the sum of the fourth and fifth is 320, find the common

    asked by Estrick Abel on March 23, 2013
  55. maths

    how do i solve this equation? 2/(x+1)=1/(x-1) - (1/(2x-1)) thx Get a common denominator (x+1)(x-1)(2x-1) then, each term, multipy it out. Gather terms, solve.

    asked by Emma on July 12, 2007
  56. rational inequality, math

    2 6 ___ + ____ < or = - 5 X X - 1 Can some one please clearly show me how to answer this and put the solution in interval notation? You need to find another way to write the inequality more clearly. Try using / for division and parentheses for

    asked by agirl123 on November 26, 2006
  57. math

    marian has 2/3of a bag af bagles. A) she adds another 1/4 bag of bagels. what fraction of the bag is full with bagels now? B)Marian has another bag of bagelsthat is 5/6 full. what fraction describes how many more bagels are in the bag in part (A)? To add

    asked by S@ on April 12, 2007
  58. math,help

    help Probblem #6 solve by multiplying through with the common denominator (11)/(3)x + (1)/(6) = (8)/(3)x + (19)/(6) Problem #20 the perimeter of a rectangle is to be no greater than 300in. and the length must be 125in. write an inequality representing the

    asked by jasort20 on March 18, 2007
  59. math

    what is the least common denominator? It is the smallest number into which all of the denominators in a series of fractions can be evenly divided. For instance, is you have fractions 1/2, 2/3 and 5/6, the denominators are 2, 3 and 6, and the least common

    asked by megan on August 1, 2006
  60. Calculus

    Evaluate the integral: 16csc(x) dx from pi/2 to pi (and determine if it is convergent or divergent). I know how to find the indefinite integral of csc(x) dx, but I do not know how to evaluate the improper integral, at the following particular step. I know

    asked by Sam on June 5, 2012
  61. Sequences

    Terms 1 through 5 of a sequence are shown below. 8/81 , 4/27 , 2/9 , 1/3 , 1/2 What is the 10th term in the sequence? I have no clue. I tried having common denominator of 81, but that just confused me more. I would try to show more work, but I really don't

    asked by Anne on May 31, 2015
  62. math

    2/3(7/8-4x)-5/8=3/8 I do not underdtand the steps?? Do I find a common denominator for all the fractions? Step 1. Clear the parentheses. Step 2. Multiply through by 24. Step 3. Solve for x. when I clear the parenthesis do I distribute 2/3 or do I just take

    asked by catalina on January 21, 2007
  63. Math PLEASE HELP!!!!

    use fraction bars to help: a) 11/12=w+y b)3/8=3/6-k c)1/4=n-7/12 d) how many 1/12's are in 1 1/4? help! im sooooooo..... confused! for d) put 1 1/4 into an improper fraction. That would be 5/4. Follow so far? Then cross multiply 5/4 and x/12. So, 4x =

    asked by Destiny on January 2, 2007
  64. algebra 1 [fractions]

    8y^4+10y^3+12y+15 ----------------- 4y+5 divide then express your anwser as a polynomial or mixed expression Do i look for its common factors then start dividing? yes use 'grouping' take out the common factor from the first two terms, and the common factor

    asked by alliyah on January 23, 2007
  65. math,algebra

    how do you solve this problem 3 and 1/3 subtracted by 1 and 2/3? Change the mixed number back to fractions with a common denominator. That would give you 5/3 subtracted from 10/3. How many thirds are left?

    asked by jasmine20 on December 16, 2006
  66. algebra

    Can someone please help me with these problems? Please and thank you. 1)Solve the equation: (1/x)+[x/(x+2)]=1 2)Simplify the complex fraction: 3-(3/4) ------- (1/2)-(1/4) (1/x)+ [x/(x+2)] = 1 Convert left side to the sum of fractional terms with common

    asked by Lydia on May 13, 2007
  67. math

    the first three terms of a GP are the first, fourth and tenth terms of an AP. given that the first term is 6 and that all the terms of a GP are different, find the common ratio.

    asked by Robert on April 21, 2014
  68. math

    HOW TO FIND THE COMMON DENOMINATOR FOR 3/4,3/3,3/8,3/5,3/16,3/7,3/1

    asked by EDGAR on November 22, 2009
  69. Math

    1/c+2 + 1/0.30+0.60 = ?? How do i find a common denominator for this?

    asked by cody on February 8, 2011
  70. Math

    How do you find a common denominator?

    asked by Isabel on July 7, 2008
  71. MATH

    HOW DO I FIND THE LEAST COMMON DENOMINATOR

    asked by spencer on March 31, 2011
  72. math

    First, why is the least common denominator of 3/4 and 4/8 not the product of 4 ad 8? Also, why is the least common denominator of 5/9 and 7/12 not the product of 9 and 12. Please explain both answers.

    asked by Anonymous on December 5, 2012
  73. Algebra I

    **Match each word or phrase w/ its definition** Word Bank: A) least common multiple (LCM) B) repeating decimal C) reciprocals D) dimensional analysis E) terminating decimal F) least common denominator (LCD) G) multiple

    asked by Hazel on November 19, 2015
  74. Precalculus

    Find each of the sums indicated or described. Show use of the appropriate formula, rather than simply using a calculator to add them. 1) The sum of the first 17 terms of a geometric series with a first term of 3000 and a common ratio of 1/2. 2)

    asked by Y on November 11, 2015
  75. Geometric

    1) The sum of last three terms of GP having n terms is 1024 time the sume of first 3 terms of GP. If 3rd term is 5. Find the last term. 2) The sum of the first eight terms of a GP is five times the sum of the first four terms. Find the common ratio.

    asked by Sniper on February 27, 2011
  76. algerbra

    Find the GCF of each product. (2x2+5x)(7x - 14) (6y2 -3y)( y+7) When the term "Greatest Common Factor" is used, it applies to a pair of numbers. The terms you have liated are polynomials that have already been factored. They could be further factored into

    asked by Susie on July 2, 2007
  77. fraction

    I'm trying to find the common denominator for these numbers 5/7 4/9 2/3

    asked by bob on November 18, 2016
  78. Algebra

    find least common denominator for these fractions 5/7 and 4/6

    asked by Corey on February 8, 2013
  79. MATH

    X+6=19 X-7Y=-7 I cant remeber how to do this but think i need to find a common denominator?

    asked by Debbie on December 3, 2009
  80. Math

    Find the least common denominator for the following fractions: 3/4, 19/20, 1/6, 3/5, 8/15

    asked by Rita on October 27, 2013
  81. Math

    Everett is reading a book for his language arts class. He read 1/3 of the book on Saturday, 3/8 of the book on Sunday and 1/4 of the book on Monday. Which procedure can Everett use to find the total fraction of the book he has read? A.Write the equivalent

    asked by Jerald on November 8, 2012
  82. math,help

    Can someone show me how step by step how to solve this problem... Rewrite the middle term as the sum of two terms and then factor by grouping. x^2-2x-63 step 1. Find two factors which when multiplied will give you -63 and when added will give you -2 how

    asked by jas20 on March 2, 2007
  83. Maths

    The first term of an AP is 12 and that of a GP is 6. The common difference and the common ratio are equal, so as are the sum of the fist 3 terms. Find the possible values of the common difference?

    asked by Andre on December 1, 2014
  84. Math

    If you add the denominator to both the numerator and denominator of a fraction, you get a new fraction that sometimes is larger than the original fraction. Find a fraction where the new fraction is four times as large as the original fraction after you add

    asked by Liana on March 2, 2018
  85. math

    Prove the validity of cross products by example/words. (Why does it work as a strategy?) Is this right?: One way to find out whether ratios are equal, is to find a common denominator. Ratios are equal if their numerator and denominator are equal. It is a

    asked by Anya on November 16, 2009
  86. Math

    find equivalent fraction with a common denominator 2/3,1/2,5/12

    asked by Maya on March 24, 2009
  87. evans

    Find the least common denominator of the rational expressions. and

    asked by algebra on November 23, 2014
  88. 5th grade math

    how do I multiply 18 x 3/5= 18/1 x 3/5, do i find common denominator, then straight across?

    asked by Melissa on March 17, 2008
  89. algebra

    find lowest common denominator with the given denominators, 13/15 - 11/20

    asked by Virgie on December 27, 2009
  90. math

    find the equivalent fractions with the common denominator of 12

    asked by stef on November 1, 2010
  91. trig

    Hi there! I NEED SERIOUS HELP, PLEASE!!! i have such a hard time with verifying identities! The question is: [(sin(theta/2)) / csc(theta/2)] + [(cos (theta/2) / sec(theta/2)] = 1 I have a few ideas on how to solve this, but am mainly not sure how to get

    asked by stephani on June 11, 2014
  92. math,help

    okay Directions: find the following squares. Problem: ((w)-(1)/(4))^2 I have no idea how to even start. First, FOIL the numerator and then square the denominator. Let me know what you get. (-1w^2)/(4w^2) is this what you mean? No :) Your numerator is w-1.

    asked by Jasmine20 on January 24, 2007
  93. social!

    To what extent should societies attempt to meet present needs, and to what extent should they try to provide for the future to the extent that they provide enough needs for now, and what is left is left. Theres old/extremist political views called

    asked by missy! on February 2, 2007
  94. Algebra

    Simplify each expression. Assume that no denominators are zero. Write each answer without using negative exponents. The ^'s mean they're exponents y^-3y^-4y^0 ------------

    asked by Katie on October 15, 2006
  95. algebra

    x/x-2 - x+1/x = 8/x^2-2x notice the last denominator factors to x(x-2) and those factors are found in the other two fractions so x(x-2) is the lowest common denominator. now multiply each term by that x(x-2) to get (x)(x) -(x+1)(x-2) = 8 simplify and solve

    asked by Tony on April 24, 2007
  96. Math

    How would I describe a step-by-step procedure for adding two fractions with different denominators? The first thing you need to do is make the denominators the same. You do this by finding their lowest common multiple. We'll use this as an example:

    asked by Bianca on June 21, 2007
  97. math

    Find the least common denominator (LCD) for fractions with the given denominators 13/15 - 11/20=2/5?

    asked by A on September 11, 2009
  98. math

    Find the least common denominator (LCD) for fractions with the given denominators. 1/3 + 5/12 + 4/5

    asked by scooby91320002 on July 24, 2009
  99. Math-Definition

    Why must we find a common denominator when add/subtract fractions?

    asked by Scott on February 4, 2010
  100. Calculus

    Find dy/dx and express the final answer with a common denominator y=ln x^(2(4x-12))

    asked by Mike on December 3, 2017

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