1/3+5/12+4/5= how do I break this down to add it? 1/3 5/12 4/5 find a common denominator, which for example, would be 60. 1/3= 20/60 5/12= 25/60 4/5= 48/60 then add the numerators. 20/60 + 25/60 + 48/60 = ?

106,244 results
  1. Math

    13. Andrea, a cyclist, uses a graph to track her speed and distance. The graph below shows Andrea's cycling data for a one hour bike ride. At one point, Andrea took a break from running. When was the break, and how long did the break last? A. At 10

  2. math

    I forgot how to add and subtract mixed # fractions. How do you do it? ex) 3/7+5/6=1 11/42- How did they get this answer?? ex) 5 6/13-2 8/13=2 11/13- How did they get this answer?? ex) 3/7+5/6=1 11/42 You need to find a common denominator when adding or

  3. Biology

    Which of these best defines the term pollutant? A anything humans add to the atmosphere and oceans (My answer choice) B any substance that is harmful to the environment C any substance that is a waste product of industry D a substance that does not break

  4. bus stats

    A manufacturing company has 5 identical machines that produce nails. The probability that a machine will break down on any given day is .1. Define a random variable X to be the number of machines that will break down in a day. a. what is the appropriate

  5. math

    Arrange the fractions in order from smallest to largest. , , , 5/8,3/4,9/16,7/8 Add. Write the answer in lowest terms. 3 2/7 + 5 3/7 Subtract. Write the answer in lowest terms. 6 4/5 - 2 1/5 Evaluate. Write the answer in lowest terms. 8/15-4/15+1/15 Add.

  6. math

    Suppose the cost function associated with a product is C(x) = cx + F dollars and the revenue function is R(x) = sx, where c denotes the unit cost of production, s the unit selling price, F the fixed cost incurred by the firm, and x the level of production

  7. Pre-Calculus

    The profit in dollars in producing x items of some commodity is given by the equation P=−11x2+346.5x−2612.5. How many items should be produced to break even?(If there are two break-even points, then enter the smaller value of x. Your solution may not

  8. math

    i need some to explain how to turn 1.05 into a fraction Do you know how to add fractions? 1 + 0.05 equals 1.05. So if you can convert 1 to a fraction and 0.05 to a fraction, you can add the two fractions together. Your answer is 1.05 as a fraction.

  9. Maths

    the 5th, 9th and 16th term of an AP are consecutive terms of the GP. Find. 1. the common ratio of the GP 2. given that the 13th term of the AP is 200, find the common difference of the AP.

  10. Physics HELP A,S.A.P!

    Q: Tarzan, who weighs 688N, swings from a cliff at the end of a vine that is 18m long. From the top of the cliff to the bottom of the swing, he descends by 3.2m. The vine will break if the force on it exceeds 950N. a)Does the vine break? b) If no, what is

  11. Math

    What is the first thing you need to add 1/9 + 5/6? A. Add the numerators. B. Add the denominators. C. Find the least common denominator. D. Multiply the numerators by the denominators.

  12. Math

    Chester and Kelsey were given a box of candy to sell. Each box of candy had 24 individual packages inside. Chester sold 1/4 of the candy in the box and Kelsey sold 3/8 of the candy in the box. Which of the following describes how to find the total number

  13. MATH

    HOW DO LEAST COMMON MULTIPLES WORK. IT SAYS THERE IS A PROBLEM TO SOLVE BUT MY MOM AND I CAN'T FIND IT. THEY CIRCLED BOTH 2'S AND 3'S. The least common multiple of 2 and 3 is six. The least common multiple of 12 and 6 is 12. # noun: the smallest multiple

  14. Math-Definition

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

  15. lcm

    find the least common mutlipe of 420 196 Break down each number into prime number factors 196 = 2*2*7*7 420 = 70*2*3 = 2*2*3*5*7 The least common multiple is the product of all prime factors that occur in both numbers 2*2*3*5*7*7 = 2940

  16. Math Please help

    A division of a corporation manufactures bicycle pumps. Each pump sells for $9, and the variable cost of producing each unit is 40% of the selling price. The monthly fixed costs incurred by the division are $50,000. What is the break-even point for the

  17. Math

    Is this how I would do this problem? What is the percent increase in the population for all six inhabited continents, excluding Asia, from 1950 to 2000? Add all of the 1950 populations together, add all the 2000 populations together, subtract years total

  18. LCD

    I need a reveiw on how to use the LCD least common denominator to add and subtract

  19. math

    The length of Paulo’s lunch break follows a normal distribution with mean μ minutes and standard deviation 5 minutes. On one day in four, on average, his lunch break lasts for more than 52 minutes. Find the value of μ.

  20. 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

  21. Math

    So, im doing a math lesson right now and taking notes. one of the examples makes no sense to me. The example is, 4/8+5/12. Here is where it gets confusing. The first step is to, rename the fractions using the LCD, 24. I made the denominator 24. The next

  22. math

    1/3+5/12+4/5= how do I break this down to add it? 1/3 5/12 4/5 find a common denominator, which for example, would be 60. 1/3= 20/60 5/12= 25/60 4/5= 48/60 then add the numerators. 20/60 + 25/60 + 48/60 = ?

  23. 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

  24. MATH

    ADDITION: Add up all the ingredients using that common denominator, Find equivalent fractions , then add. Show all work. *

  25. 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) +

  26. Algebra

    Last post for today: This is translated but I'm not really sure what it means. -Break out of −28x^2−21x^3 as much as possible. -Break out the largest possible factor from x^2−2x. -Break out and shorten 36x + 8x^3 over 12x What does 'break out' mean?

  27. 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

  28. 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

  29. 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 =

  30. physics

    t(s)=0.0,1.0,2.0,3.0,4.0,5.0,6.0,7.0 v(m/s)=0.0,4.6,8.9,13.4,18.0,22.9,27.6,32.0 find the area underneath the graph between t=2.0s and t=6.0s, i know i will have to break this down into two separate shapes, a rectangle and a triangle then add them

  31. Math

    Fared wants to add 1/4 + 5/8. Add the fractiins by using a giant ine to create a common denominator. Does anyone have an answer if you do Thank You- Sutton

  32. college math

    find the lest common denimator and add the fractions 1/125 plus 4/50

  33. college math

    find the lest common denominatorfor 1/225 plus 4/50 and add the fractions

  34. 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

  35. 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

  36. Math

    A manufacturer of 24-hr variable timers, has a monthly fixed cost of $56,000 and a production cost of $9 for each timer manufactured. The units sell for $16 each. Find the break-even point algebraically. a. break-even production 16,000 units; break-even

  37. Math Help

    A manufacturer of 24-hr variable timers, has a monthly fixed cost of $56,000 and a production cost of $9 for each timer manufactured. The units sell for $16 each. Find the break-even point algebraically. a. break-even production 16,000 units; break-even

  38. algebra !

    i need help on adding and subtacting rational numbers like -7over12+5 over 6 When adding rational numbers we need a common denominator. We have -7/12 + 5/6 What is the least common multiple of 12 and 6? After you find that make sure both fractions are

  39. 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

  40. Math

    Shelly and Marcom are selling popcorn for their music club. Each of them received a case of popcorn to sell. Shelly has sold 7/8 of her case and Marcon has sold 5/6 of his case. Which of the following explains how to find the portion of popcorn they have

  41. Accounting

    to find noncontrolling?? you add the common stock and retained earning and then minus the investment? is this correct

  42. Science

    On rainy and humid days, you should add less waer then the recipe calls for. On dry days, you should add more. Speculate what might happen to pastry dough that doesn't include enough water. It would break apart because of not enough hydroscopic force.

  43. Accounting

    When finding the break even point, I know that total fixed costs/contribution margin= Break Even Point, but is that answer in dollars? How do you find the sales volume (dollars) that need to be produced in order to break even? How do you find the required

  44. math problem check

    would some one please see if I am correct with these problems 1.Add. write the answer in simpliest form. 3/11 + 9/11 + 1/11= 13/11= 1 1/2 2. Subtract write the answer in lowest term. 19/24 - 7/24= 12/24 = 1/2 3. Victor owned 9/10 of a family business he

  45. Social Studies

    What would an economist expect if the negative incentives for bad behavior in a school became stricter? A. Students would be less likely to break the rules because the expectations are clearer. B. Students would be less likely to break the rules because

  46. math Please help/explain

    A division of a corporation manufactures bicycle pumps. Each pump sells for $9, and the variable cost of producing each unit is 40% of the selling price. The monthly fixed costs incurred by the division are $50,000. What is the break-even point for the

  47. Help Math

    A division of a corporation manufactures bicycle pumps. Each pump sells for $9, and the variable cost of producing each unit is 40% of the selling price. The monthly fixed costs incurred by the division are $50,000. What is the break-even point for the

  48. Mathematics

    0.444 of the school time is used for the first break .0.4545 for the second break and 0.3030 for the third break .which of these break give the child more time

  49. Algebra 2345678!!

    Solve the system of equations using the Addition method. 2a + 3b = -1 3a + 5b = -2 The addition method tells you to find common multiples of a coefficient, then add the equations together to eliminate a variable. If you multiply the first equation by 3 and

  50. math

    just want to chack my answers: 1. Find the least common multiple of 3, 6, and 9. A-36? 2.Add. Write the answer in simplest form.3/11+9/11+1/11= 1 2/11? 3.Four buttons have diameters of 5/8,3/4 ,9/16 ,7/8 and inches. Which button is smallest? A~9/16?

  51. English

    1. One of the most common ways to agree in English is to say "Yes" then go on to add another reason why you agree with "and…" 2. One of the most common ways to agree in English is to say "Yes," then go on to add another reason why you agree with "and…"

  52. algebra help!!!!

    Add: b^−3 ca^−1 −xc^−2 how would i do this ? Let me make sure I have the question right. We have b^(−3) ca(^−1) −xc^(−2 )=? You might also write this as (1/b^3) c(1/a) − x(1/c)= c/(a*b^3) - x/c=? If this is correct, then find a common

  53. CALCULUS

    How do I do this: add the following vectors , 7m/s [N30E] and 2m/s [S17E] I know that you must use trigonometry and break stuff up into components and use sine and cosine law; just not sure how. Thanks!

  54. math

    would someone check these please 1. find the square root of 25 answer 5 2. find the median of the following set of numbers 33,72,23,27,77,68,85 answer 68 3. find the mean of the following numbers 13, 15,18,18,18,19,22,26,28,33 answer 21 4. find the mode

  55. grammar

    Which is correct? 1. What did you do on the winter break? or 2. What did you do on winter break? I believe #2 is correect because the `the` is not needed. However, I cannot find a clear rule to support this. Please advise. James

  56. math

    3/4 divided by 2/5 So I think then I turn it into. 3/4 x 5/2 then I'm a bit confused after this. Find the common denominators? (Which would be 8) In my lesson it says for 3 and 2 find their common factor. And it's 1. But that won't change anything. Could

  57. Statistics

    there is a 1/5 (.20) probability that one type of appliance will break with in two years. find the probability that 4 out 15 such appliances willl break within that time period

  58. Finite Math

    A company claims that for selling x thousand beanie babies the monthly revenue (in dollars) is given by: R(x)= 290x. The monthly cost function is C(x)=250x + 5,000. Find the break-even point. Put the answer in context of the problem. (This is part of a

  59. Social Studies

    What do many of the political conflicts in South Asia have in common? I think that many of the political conflicts in South Asia are based off of conflicting religions. In the past there have been many rivals between Hindus and Muslims, which causes much

  60. math

    I don not understand how to do least common mutiples. Can I please get some help. I need to find the least common multiple of 420 and 196. there is a real neat way to do this which works for the LCM of any number of numerals. 420 196 -------| divide each

  61. 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

  62. math for belinda to help me please

    1.x^2-9x+14 2.GCF of m^2n^2+3m Oh haha ignore the new question. For the first one, set it up: (x )(x ) Now, think of two numbers that are multiplied to 14. They have to either both be positive or both be negative to get positive 14. They also must be able

  63. 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?

  64. 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)

  65. 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 20-would the results be added or multiplyed? Because I know

  66. Math

    why do fractions need a common denominator before you can add or subtact them?

  67. algebra

    Solve the system by graphing. x + y = 4 –x + y = 2 confused where do i start do i need to solve for x and find points I'll bet that after doing a few like this you would be able to do this one in your head. just add then up. The x's will cancel and you

  68. math-calculus

    5a-3/a+7 = 5a-14/a+1 so i find that only lowest common denominator for equation is (a+7)(a+1) (a+7)(a+1)(5a-3/a+7) = (5a-14/a+1)(a+7)(a+1) in first part i get rid of a+7's and in second part i get rid of a+1's. (a+1)(5a-3) = (5a-14)(a+7) 5a^2+2a-3 =

  69. 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

  70. math

    Please can someone help? 3/(x-7) + x^2+5x My answer is: x^3-2x^2-35x+3/(x-7) Is this right? I converted x^2+5x so that it had a common denominator of x-7 so I could add them.

  71. Java

    Verify the check digit in a barcode. Some of the most common barcode standards have check digits which are fairly easy to calculate. UPC (12 digits) are among the most common barcode standards you will find. The check digit is calculated like this: •the

  72. Calculus

    a(t)=4sin3t;v(0)=1,s(0)=6 I'm trying to find expression for s(t). Should I wait till the end to add find and add constant. I got [1/9(13t-4sin(3t))+6] and it was wrong.

  73. MATH

    1) During the two months of the summer holiday, you find a summer job that pays $160 per week with a $10 a week raise. How much money will be made by the end of the summer? 2 Your grandmother offers you $1 on the first day of March break and offers to

  74. algebra

    how would i find least common multiple of 20, 50 and 3 ? okay well you take the 50 and times it by ever number 50--> is it divisbile by 3 NO so not the least common multiple 50x2=100 --> is it divisible by 3 NO, so not the least common multiple 50x3=150

  75. 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.

  76. Math

    2. Find the LCM and GCD of (2y^2 - 3a^2)x + (2a^2 - 3x^2)y and (2a^2 + 3x^2)y + (2y^2 + 3a^2)x 3.Find m if the polynomials (x^2 - 2mx + 2) and (3x^2 - mx - 4) have a common linear factor 4. The ramainder on dividing 121^n - 25^n + 1900^n - (- 4)^n by 2000

  77. Math

    Find the break-even point for the following. Fixed cost = $20,000 Variables cost = $15 per item Price = $23 The break-even point is at ------ items.

  78. Math Probability

    We have looked at the probability that two non-mutually exclusive events A or B can happen in this learning experience. We will take it one step further and look at the probability that event A or B or C will happen. The formula is: P(A or B or C) = P(A) +

  79. math

    Hello! I came across the following two problems that appear easy but I was not able to construct the needed equations. (1) The profit (in thousand of dollars) on x thousand units of a specialty item is p = 0.6x - 14.5. The cost c of manufactoring x

  80. Math

    What common word would we have after following these steps? - write down a zero -put 50 on its left and 5 on its right -add 1/5 of eight at the end

  81. Math please help

    What are some common or unique formulas that we use in our everyday life? Please add information as to how and why we use the formula.

  82. math

    If x unit of a product cost C dollars to manufacture and earn revenue of R dollars, the value of X where the expression for C and R are equal is called break-even quantity, the number of units that produce zero profit. Find the break-even quantity when

  83. programming

    1. The attached bombs.zip file contains 19 bombs. These bombs have been numbered and every one needs to break only one. The assignment is as follows. For example, student 191464104 needs to break binaryBomNo.2.exe. You need to find out the 6-digit password

  84. Algebra

    Gymnast Clothing manufactures expensive soccer cleats for sale to college bookstores in runs of up to 500. Its cost (in dollars) for a run of x pairs of cleats is C(x) = 3000 + 9x + 0.1x2 (0 ≤ x ≤ 500). Gymnast Clothing sells the cleats at $130 per

  85. social studies (regions)

    Regions are a way to describe and compare places. A region is identified by its common characteristics and/or features. Identify five common five common regions throughout the world accoarding to their common characteristics, (ex. Deserts: the Sahara and

  86. reiny steve reiny damon!!! Damon help maths

    If P(x) and Q(x) have a common factor (x- h),prove that (x-h) is also a factor of P(x)- Q (x).find the possible common factors when P (x)=ax^3 + x^2 - 15x - 18 and Q(x)= ax^3 - 14x - 12.also find the corresponding value of a. Plz show me step of work

  87. meanings

    You can't "unbreak" the broken. You can only break the unbroken to break the break of the unbroken. For me. You cannot "unbreak" me, for I am already broken, so you have no need to break the break because I am not unbroken. This may be a bit confusing but

  88. Math

    Add or subtract the following rational expressions. Be sure to look for factors before trying to determine a common denominator, and simplify your answers, if possible. 16x-12/4x^2+5x-6-3/x+2

  89. math

    i need help with this question can u please show me how to figure this out and show me how you figured out the problem. the question is 1/3 pnut butter sandwiches 1/6 cheese and 9 ham how many total? i assume you mean how many sandwhiches total? in that

  90. 8th grade

    how to find common factors and common multiples for prime factorization.

  91. Math

    Simplify the following by collecting like terms:- 2y add 3x add 7y - x equals Sorry cant find mathematical signs.

  92. Physics

    A rope is attached from a truck to a 1403 kg car. The rope will break if the tension is greater than 2375 N. Neglecting friction, what is the maximum possible acceleration of the truck if the rope does not break? m/s2 If the truck can reach 30 mph within

  93. math

    I have a couple of math questions that i cant seem to get to work out. can someone help me please.? 1.) (x/x+6)-(6/x-6)=(x^2+36)/(x^2-36) 2.) (r-2)-(2-r)=0 3.) add (8/ty^2)+(9/t^2y) 4.)add (7/w)+(8/w^2) 5.)add ((r+10)/r)+(r/(r+10)) 6.) divide

  94. C++

    #include #include int main ( ) { int choice; cout

  95. chemistry

    At –14.5 °C (a common temperature for household freezers), what is the maximum mass of aspartame (C14H18N2O5) you can add to 3.00 kg of pure water and still have the solution freeze

  96. Driving

    Hey i begin to drive and can someone please tell me about parking break. Before I back out of driveway, do I shift gears first, or parking break first and then gears? And what about when I pulling into driveway and going to park, do I do gear first or

  97. Information Technology

    Please for at least one reason why spreadsheet may be preferred to a word processing table. What are similiarities and difference between page break and column break.

  98. bartlett hill,math

    add the like terms together.a+b+a+2b Okay. Well, the questoin says to add the like terms together, that means add the A's together and add the B's together. a+b+a+2b Alright, so your a's and your first b don't have a number in front of them. That means the

  99. Algebra--One Quick Question

    31. Determine whether the sequence 7, 21, 35, 49 is geometric. If so, find its common ratio. a. no b. yes, common ratio of 14 c. yes, common ratio of 12 B? Thanks -MC

  100. College Physics

    In ordinary laboratory circuits, charges uC (microcoulomb) and nC (nanocoulomb) range are common. How many excess electrons must you add to an object to give it a charge of (a) -2.50 uC (b) -2.50 nC.

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