1. Math

    I have a fraction problem that involves borrowing and I do not know how to do this. My problem is 11 2/3 - 3 5/6. I know that I need to make the denominator the same so that makes it 11 4/6 - 3 5/6. My 11 needs to go to 10 but I do not know what changes
  2. math

    MathMate attempted to help but did not show how the problem is answered. It only confused the problem. Could someone else please help? Thanks. The denominator of a fraction is 4 more than the numerator. If both the denominator and the numerator are
  3. help math

    Problem #1 what values for x must be excluded in the following fraction? (x+5)/(-1) my answer i think its none Problem #2 what value for x must be excluded in the following fraction? (x-3)/(4x-5)(x+1) this one i do not know x can not equal 5/4 or -1. Each
  4. 6th grade math

    I still do not understand this problem? find a number such that when added to the numerator and denominator of 2/11 yields a fraction equivalent to 1/2? thanks If you add 7 to the numerator and 7 to the denominator you get 9/18. 9/18= 9x1/9x2 = 1/2 It
  5. math ,hep, plz

    can someone help explain this for me please... Problem #1 What values for x must be excluded in the following fraction? (x+5)/(-1) Problem #2 what values for x must be excluded in the following fraction? (x-3)/((4x-5)(x+10)) When working with fractions,
  6. More Math 2 See If You Can Help Me... :)

    Problem: a^2-9 a^2-3a ----- * -------- a^2 a^2+a-12 Here Is What I Got: (a+3)3a ------- (a+4) *Please Check It.I think I did it wrong though.. =[ I'm going to assume your problem is this: (a^2-9)/a^2 * (a^2-3a)/(a^2+a-12) Note: I'm using * to mean
  7. 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
  8. 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
  9. Math33333

    Please help me! Problem: x+2 x-3 _________ - _________ 2x^2+5x+2 2x^2-5x-3 *Simplify the expression 2x^2+5x+2 =(x+2)(2x+1) 2x^2-5x-3 =(2x+1)(x-3) So x+2/(x+2)(2x+1) = 1/2x+1 x-3/(2x+1)(x-3) = 1/2x+1 Finally 1/2x+1 - 1/2x+1 = 0 Let's take a look at the
  10. Algebra

    Rationalize V stands for square root 3/V2 3/V2 x V2/V2 = 3V2/V2V2= 3V2/V4 =3V2/2 Answer 3V2/2 6V2/V3 6V2/3 x V3/V3 =6V2V3/V3V3 = 6V6/3= 2V6 My book gives these two examples. In the first problem you multiply the 2 in the denominator and get 4. It the
  11. Math. Please help!

    144/k=9 I don't understand how to do this using reciprocals, how my teacher wants me to solve the problem. Note: The fraction bar is in my paper, so it's 144 being the numerator, k being the denominator, and then =9 if that makes any sense.
  12. Algebra 2/Trig.

    I forgot some stuff from my 7th grade algebra class about complex numbers...like what do you do with a problem like this 5+5i 3-i divided by + divided by 2-i 4+3i thanks.(divided by refers to dividing line in a fraction) In each case, RATIONALIZE the
  13. Algebra

    (3x^2+2)/(x^2-4)-(9x-x^2)/(x^2-4) Your problem: (3x^2+2)/(x^2-4)-(9x-x^2)/(x^2-4) Since the denominator is the same, just subtract the numerator: (3x^2 + 2 - 9x + x^2)/(x^2 - 4) -->remember to use the distributive property with the negative over the
  14. basic math

    In my book A bread piece calls for 3 1/4 cups of flour if you only have 2 1/8 cup. How much more flour is needed? 3 1/4 -2 1/8= 13/4 - 17/9 how does it equal 13/4 can someone show me that part? I thought I knew how to subtract fractions but I don't get it.
  15. Calculus/College Algebra

    I'm so lost. We're working on limits for this assignment and I get that, but my difficulty lies in breaking down the original problem. The problem is: Find the limit: lim (x->5) The numerator is (the square root of 9-x) -2 and the denominator is x-(the
  16. math(10)

    evaluate:fraction -8over4,subtract7over6 I'm going to assume your problem is this: -8/4 - 7/6 = ? -8/4 is the same as -2. Let's convert -2 to a fraction using 6 as the denominator: -12/6 - 7/6 = -19/6 I hope this helps and is what you were asking.
  17. word problem

    if 1 is added to both numerator and denominator of a fraction, the fraction becomes 1/2. if 8 is added to both fractions, the fraction becomes 2/3. what is the fraction
  18. word problem

    if 1 is added to a numerator and denominator of a fraction, the fraction becomes 1/2. 8 is added to both fractions the fraction becomes 2/3, what is the number.
  19. 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.
  20. 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..
  21. 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
  22. Calc II

    For the following question, we need to find the length of the polar curve: r= 2/(1-cosx) from pi/2 </= x </= pi dr/dx= -2sinx/(1-cosx)^2 therefore the length would be expressed as follows: the integral from pi/2 to pi of (sqrt)[(2/(1-cos))^2 +
  23. 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
  24. math

    i m always having a problem in math. i can't do fraction easilly. im going to have an final exams , starting on 2 april . i hope if any one can help me. You need to tell us, in detail, what you don't understand about fractions. o!isnt the test the...SAT??
  25. math/algebra

    Subtract: express your answer in simplest form. 2/5 - y/y-2 answers a)-3y-2/y-2 b) -3y -2/5(4-2) c) -3y-4/5(y-2) d) -3y-4/y-2 The way you have written the problem, is 2/5 minus y^3. I don't think that is what you meant. Please use grouping symbols on
  26. Maths

    When the numerator and denominator of a fraction are each increased by 5, the value of the fraction becomes 3/5 When the numerator and denominator of that same fraction are each decreased by 5, the fraction is then 1/5 Find the original fraction. (Hint:
  27. 1/2 cup fraction word problem

    Jane is using a recipe to bake cookies.Recipe calls fo a little less than 1/2 of choc chips. Which amount is less than 1/2? 4/8 2/3 4/7 3/7 off the top of my head I see that 4/8 is equal should I use ldc and make 2/3 4/6 4/7 8/14 3/7 6/14 then what??
  28. methods of sbtracting mixed fractions

    Hello, I need did a subtraction problem with mixed numbers by converting the LCD of the denominator. However, when I went to Algebra.help they did the problem by converting the mixed problem to an improper fraction and then worked it that way. However, I
  29. Math Algebra 1

    i was wondering if anyone could help me on this problem. expand: x^-2 (y^2 + 10x) z^3 (5x + 3z^-4) First one: x^-2 (y^2 + 10x) x^-2 is the same thing as 1/x^2. Therefore, we have this: 1/x^2 (y^2 + 10x) Multiply using the distributive property: y^2/x^2 +
  30. Math

    In this problem: -2/a+2 + 3a/2a-1 First I made the denominators alike: -2(2a-1)/(a+2)(2a-1) + 3a(a+2)/(a+2)(2a-1) = -4a+2/(a+2)(2a+1) + 3a^2+6a/(a+2)(2a-1) What I want to know is if I can eliminate the a+2 for the first fraction, on both the numerator and
  31. Belinda, Math

    Thank you I did figure it out i think: so the problem was ((w)-(1)/(4))^2 The final answer that i got was w^2-(1)/(2)w+ (1)/(16) Sorry, no again. :) Make sure you really look at how to multiply binomials and FOIL them out. It will come back to haunt you. a
  32. algebra

    Can someone help me with this problem please? rationalize the denominator and simlify the answer: 5/2 + the square root of 3 Do you mean 5/(2 + sqrt 3) ? What you wrote could also be interpreted as 2.5 + sqrt 3. You need to be more careful to use
  33. math,help

    i am having difficulty with this problem can someone help me. Problem #1 Write in simplest form (48a^5b)/(12ab^2) this is what i get: 4a^4b^-1 Problem #2 how do i start it: subtract. Express your result in simplest form (12)/(z) minus (10)/(z) Your #1 is
  34. math

    thanks for the explanation of limit, but i want someone to help check out this problem for me lim x->3 (x^2 - x - 12)/ (x - 3) i got 5 as the answer okay, so i cant use substitution. i factor the (x^2 - x - 12) and got (x - 4) and (x + 3) [(x - 4)(x +
  35. Math

    A) Write a numerator for each fraction to make the fraction close to, but not equal to, 1/2. Then, write another numerator to make each fraction close to, but greater than 1. 1) _/22 2) _/43 3) _/17 My Answers: 1) 10, I believe. 2) 20? I dont know, please
  36. math,algebra

    Directions:Multiply (-1/2)(-3/8) mY ANSWER : .1875 Now how do i turn this into a fraction. numerator multiplied: 3 denominator multiplied 16 3/16 How do you get to that answer because not every single one would be multiplied by the numerator 3. Can you
  37. Algebra

    The denominator of a fraction is 2 less than twice the numberator. If the numerator is decreased by 2 and the denominator is increased by 3, the resulting fraction simplifies to 1/3. Find the original fraction. Have no idea what to do.
  38. Algebra

    The numberator of a fraction exceeds the denominator by 3. If 3 is added to the numerator and 3 is subtracted from the denominator, the resulting fraction is equal to 3/2. Find the original fraction.
  39. math 102

    what number multiplied by the numerator and added to the denominator of the fraction 2/5 makes the resulting fraction 8/9?
  40. 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 ^
  41. maths

    if the denominator of fraction is 6 more thanthe numerator if the numretor is increased by 1 and denominator is decreased by 2 new fraction becums 3/4 find the fraction
  42. trig

    I'm trying to see if the teacher didn't give us the right problem or if I'm just not getting it. The problem is "re-write the expression without a fraction: 4/(1-sin x)". I can do it if the problem is sin squared x but I don't know how to solve the problem
  43. math

    the difference between the numerator and denominator of a fraction is 5. if 5 is added to its denominator then the fraction is decreased by one of its one fourth 1(1/4). find the value of fraction
  44. mat115

    Please help with this math problem. The math question asks, "Identify the numerator and denominator of the fraction 3/8. Please let me know if I am correct? numerator is the 3 and te denominator is the 8. Is this a trick question? My professor want me to
  45. Algebra

    When nine is added to both the numerator and the denominator of an original fraction, the new fraction equals six sevenths. When seven is subtracted from both the numerator and the denominator of the original fraction, a third fraction is two thirds. Find
  46. middle school math

    If the numerator and the denominator of a proper fraction are increased by the same amount, is the new fraction greater than, equal to, or less than the original fraction? Is this correct... it would be equal to because you are increasing both the
  47. basic math

    I know the answer but i don't understand the borrowing of the 2in the thousands place why is it 11 and not 12... the problem is 612,014-323,440=288,574 http://mathforum.org/library/drmath/sets/select/dm_borrow.html Be sure to click on the various links to
  48. Math

    1. Write the place name for the 4 in the following number: 3,624,786 Answer: Thousand 2. Round the following number to the nearest ten: 53 Answer: 5 3. Find the sum of the following problem: 2,168 + 305 Answer: 2473 4. Estimate the sum of the following
  49. 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:
  50. math

    The denominator of a fraction is 20 more than the numerator of the fraction. If 5 is added to the numerator of the fraction and the denominator is unchanged, the value of the resulting fraction becomes 38. Use x as your variable. Find x.
  51. 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
  52. Math

    The denominator of a fraction exceeds the numerator by 7. If 3 is added to the numerator and 1 is subtracted from the denominator, the resulting fraction is equal to 4/5 . Find the original fraction. PLZ SHOW ALL WORK AND HURRY!!!
  53. Math

    The numerator of a fraction is two less than its denominator. When both numerator and denominator are increased by 3, the fraction is incre ased by 3/20. Find the original fraction. Pls include solution and workings thx :)
  54. 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
  55. 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
  56. Math- fraction equations

    How would I solve this equation? d-1 = -1 1 ____ ___ 4 2 (d-1) divided by 4 = -1 and 1/2 Thanks, Ok, I'll set up your problem this way: (d-1)/4 = -1 1/2 -1 1/2 is the same as -3/2. Therefore: (d-1)/4 = -3/2 Multiply each fraction by a common denominator,
  57. Math

    In this problem: 5/12b + 15/36b^2 First I made a common denominator: 15b/36b^2 + 15/36b^2 Then I simplified the first fraction: 5/12b + 15/36b^2 Can I simplify the second fraction by 3b? If I can, what am I supposed to get?
  58. rs aggarwal math class 8 chapter 8 soluation

    in a fraction twince the numerator is 2 more than the denominator . if 3 is added to the numerator and to the denominator , the new fraction is 2/3 . find the original fraction.
  59. Algebra

    Hello ^^ I'm new to this site :0 I was wondering if someone could help me with my schoolwork! I have a bit of a habit of overthinking my work, so I just need it checked by someone to make sure I actually am you know, getting it. The problem is -(5)^-1, and
  60. Algebra

    Posted by Tammy on Thursday, July 19, 2007 at 10:12pm. download mp3 free instrumental remix (3x+4)/(3x-4)+(3x-4)/(3x+4) --------------------------- Divide top by bottom (3x-4)/(3x+4)-(3x+4)/(3x-4) Very Big Problem and help would be greatly appreciated For
  61. math

    the numerator of a fraction is 3 less than the denominator. if 4 us added to the numerator and to the denominator, the resulting fraction is equivalent to 3/4. find the original fraction. Show your solution
  62. math

    When 5 is added to both the numerator and denominator of a fraction the result becomes 1/2.When 1 is subtracted from both the numerator and denominator the fraction becomes 1/5.Find the fraction. plzz do whole method, i cant understand it.
  63. math

    when 2 is added to both the numerator and denominator, of a positive fraction, the fraction thus obtained is 3/5. If the denominator is 6 more than the numerator,what is the original value of the denominator?
  64. Algebra

    The numerator of a fraction exceeds the denominator. If 3 is added to the numerator and 9 is subtracted from the denominator, the new fraction is equal to 5/2. Find the original fraction.
  65. Maths

    The numerator and denominator of a fraction are in ratio 5 : 2, if 5 is added to the numerator and 2 is subtracted from the denominator a new fraction ¹/4 is formed.Find the original fraction.
  66. algebra

    The denominator of a fraction is 12 more than the numerator. If 16 is added to the numerator and 16 is subtracted from the denominator, the value of the resulting fraction is equal to 2/1. Find the original fraction
  67. math

    The denominator of a fraction is 4 more than the numerator. If both the denominator and the numerator are increased by 1, the resulting fraction equals 1/2. What is the original fraction? **Need to show all work** Thanks for the help.
  68. maths

    the numerator and denominator of a fraction are in the ratio 3:2 if 3 is added to the numerator and 2 is subtracted from the denominator a new fraction is formed whose value is 9/4 find the original fraction?
  69. 8th grade math

    The denominator of a fraction is 4 more than the numerator. If both the denominator and the numerator are increased by 1, the resulting fraction equals ½. What is the original fraction?
  70. Maths

    The numerator and denominator of a fraction are in ratio 5 :2, if 5 is added to the numerator and 2 is subtracted from the denominator a new fraction 15 4 is formed. Find the original fraction.
  71. Algebra

    The numerator and the denominator of a fraction are in a ratio 3:2.If 3 is added to the numerator and 2 is subtracted from the denominator,a new fraction is formed whose value is 9/4 . Find the original fraction.
  72. maths

    the numerator and denominator of a fraction are in the ratio 3:2 if three is added to the numerator and three is subtracted from the denominator a new fraction is formed whose value is 9/4 find the original fraction?
  73. 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)]
  74. math

    someone please help me understand how this is done.state all the restritions on the variable 7x-13/x^2-16 Your problem: 7x - 13 ------- x^2 - 16 The restrictions are that x cannot equal 4 or -4. The denominator of a fraction cannot equal 0. I hope this
  75. Algebra

    What number must be added to the numerator and denominator of the fraction 7/19 to make the resulting fraction qual to 3/4?
  76. Proof math problem help? Please help if you can!

    Let AB be the diameter of a circle, and let point P be a point on AB. Let CD be a chord parallel to AB. Prove that PA^2 + PB^2 = PC^2 + PD^2 It can be solved using geometry methods (no trig). Anyway, I figured out that PA^2 +PB^2 = 2OP^2 + 2OB^2. However,
  77. algebra

    The numerator of a certain fraction is four times the denominator. If 6 is added to both the numerator and the denominator, the resutling fraction is equivalent to 2. What was the original fraction ?
  78. Math

    The denominator of a fraction is 2, more than twice the numerator. If 7 is added to both the numerator and the denominator the new fraction would be equivalent to 2/3. Determine fhe original fraction.
  79. math- plz help

    The denominator of a fraction is greater than its numerator by 9. If 7 is subtracted from both its numerator and denominator, the new fraction equals 2/3. What is the original fraction?
  80. Maths

    The denominator of a fraction is5 more than the numerator. If the numerator is increased by 18 and the denominator is decreased by 4, the fraction becomes25/8. Find the fraction.
  81. math

    the numerator of a fraction is 3 less than the denominator. if 4 us added to the numerator and to the denominator, the resulting fraction is equivalent to 3/4. find the original fraction
  82. algebra

    The numerator of a fraction is 7 less than the denominator if three is added to the numerator and 9 is subtracted from the denominator the new fraction is equal to 3/2. Find the original fraction.
  83. maths

    The numerator of a fraction is two less than its denominator. When both numerator and denominator are increased by 3, the fraction is incre  ased by 3/20. Find the original fraction.
  84. Math

    Which is True? A 3/5 > 1/2 B 1/2 < 4/9 C 5/11 > 1/2 D 1/2 > 5/8 How do I determine? Thanks for the help! The shortcut for doing these is as follows: Cross-multiply by multiplying the numerator of the first times the denominator of the second.
  85. maths

    the numeratorof a fraction is 3 less than its denominator. if we add 1 to both numerator and denominator, its become equal to 5 . find the fraction
  86. math

    Big Question: To rationalize a fraction means to remove all non-rational numbers from the denominator of the fraction. Rationalise (a^2)/(3+√b^3) by multiplying the numerator and denominator by 3 − √b^3, and then evaluate if b = a^2 and a = 2. Show
  87. Algebra II

    Solving the formula for the indicated variable. I=prt,for r I need help knowing how to solve this problem step by step. its easier with numbers and a fraction in the problem but this problem just threw me off.......HELP PLEASE!!!!
  88. Math-Algebra

    The numerator of a fraction is 3 less than the denominator. If 5 is added to the numerator and the denominator, the value of the resulting fraction becomes 3/4. What is the original fraction?
  89. Math

    The denominator of a fraction is 4 more than the numerator. If both the denominator and the numerator are increased by 1, the resulting fraction equals ½. What is the original fraction?
  90. math

    The denominator of a fraction is 3 more than the numerator. If 5 is added to the numerator and 4 is subtracted from the denominator the value of the new fraction is 2. Find the original fraction?
  91. Math

    The denominator of a fraction is one more then the numerator. If 2 were added to both the numerator and denominator, the new fraction equals 4/5. Find the original fraction.
  92. maths

    Solve the equation using the multiplication principle. -35 = 7k Solve the equation. clear fraction and decimal first. 2.(y-7)- (y+4)) = 6y 3. -5b - 8 = -5 - 2b - 1b Problem one: multiply both sides of the equation by 1/7 Problem two: I will be happy to
  93. Math 102

    What number must be added to the numerator and subtracted from the denominator of 10/23 to obtain a fraction equivalent of 6/5? Please provide step by step, this is a word problem for rational expressions. Thank you
  94. English

    1. The hospital is for certain people. 2. He has a certain problem. 3. He has a sure problem. 4. He is certain that the boy is diligent. -------------------------- Are they all grammatical? The meaning of 'certain' seems to be different. Does #2 mean #3?
  95. Algebra

    Use the above graph of f(x) to complete the following table for values of its inverse function, f^{-1}(x). The graph has a point on (2,2)the y-intercept is 4 the x intercept is 3 x =-4, 8, 0, -2, 2 f^{-1}(x) Note: You can earn partial credit on this
  96. Math-approximation with fractions:7th grade math

    How do you find the greater fraction with approximation? 14. 5/12, 17/30 I know that you need to make 5/12 = 6/12 and 17/30 = 15/30 Then compare them to half or something? I'm confused?! Any clear help and instructions? There are hundreds of ways to make
  97. matn

    need help with word problem? half add it Find a number such that when added to numerator and denominator of 2/11 yields a fraction equivalent to 1/2? thanks for any help (x+2)/(x+11) = 1/2 x is the number you want. Now do the algebra. I will be happy to
  98. Math

    Solve using Determinants and Cramer's Rule? I was absent and missed the lecture on Cramer's rule and Determinants and have no idea how to start the homework.. The directions and problem are as follows: Using Cramer's Rule, set this problem up to find "a".
  99. maths

    Show that the equation (1) divided by (x+1) - (x)divided by (x-2)=0 has no real roots Well, to begin, start with 1/(x+1-x). The x's cancel out because they are opposite signs, so now you have 1/1, or just 1. Then, you are dividing 1 by (x-2). In order for
  100. math

    Will someone please show me how to do this problem. I have to write this ratios in simplest form. The ratio of 5 3/5 to 2 1/10. Change each of your mixed fractions to an improper fraction, then divide the first by the second. Remember to divide fraction #1