What is even: Definition and 664 Discussions

The break-even point (BEP) in economics, business—and specifically cost accounting—is the point at which total cost and total revenue are equal, i.e. "even". There is no net loss or gain, and one has "broken even", though opportunity costs have been paid and capital has received the risk-adjusted, expected return. In short, all costs that must be paid are paid, and there is neither profit nor loss. The break-even analysis was developed by Karl Bücher and Johann Friedrich Schär.

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  1. M

    Does this negative sign even matter in sin(x)?

    Hello everyone, when I'm doing these problems i always make sure i put a negative inside the sin(x) function, then just later take it out like cos(2t)+sin(-2t) = cos(2t)-sin(2t); Because sin is an odd function. But my professor says f it and never does, for instance here is my work, i came out...
  2. F

    How is this even remotely legal?

    http://www.miami.com/mld/miamiherald/13951780.htm Now I would agree that there are times when kids need discipline, and to have the law laid down by an adult, even to the point of physical punishment, but this is disturbing to me, to the point of being truly sickening. Can this be real?
  3. S

    Mechanics question not even that advanced

    So if you have a block sitting on top of a frictionless slide(it's a ramp, so it goes down like a slide, levels out at the bottom at point A, then curves back up and ends at point B.)the height at the top of the slide is 3.91m, and the mass of the block is 1.62kg, the angle at point B is 45...
  4. M

    Collision Problem, not even sure where to start.

    Okay, seeing that I'm new, I'll just tell everyone who reads this that I am a freshman in college, second semester, and am in Introductory Physics. Unfortunately, I've never taken a physics course before, and no science period since Junior year in HS. My professor posts online quizzes each...
  5. E

    Electronic device are still alive even when they are off?

    is it true that electoronical device are still alive even when they are off? if yes why?
  6. Pengwuino

    Why Is a Leap Second Added on New Year's Eve?

    http://www.msnbc.msn.com/id/10605881/ :smile: :smile: :smile: :smile: Leap seconds! Sweeeeeet
  7. Andre

    Earliest Human Activity in Northern Europe Confirmed

    So another 200,000 years has been added to human presence in the UK: http://www.eurekalert.org/pub_releases/2005-12/uoy-bpo121505.php
  8. D

    Why does water evaporate even below its boiling point?

    why does water evaporate even below its boiling point? is it because the bonds between particles aren't strong (while particles in water moves) thus some escape periodically or does it have something to do with convection currents?
  9. S

    Even Better Than Superior To Nature?

    A few months ago I linked to this development in the creation of synthetic setae far better than those of geckos: http://www.wired.com/news/medtech/0,1286,68639,00.html In the time since, I've done some research, corresponded with the team leader involved with the linked research and then...
  10. C

    Prove every even ordered group has an element of order 2

    Can someone help me on where to begin? What do I know about even ordered groups that could help? My first idea was to incorporate the fact that for an element to be of order 2, it must be it's own inverse. (This made me think of the identity element- I don't know if that's what the proof...
  11. T

    Can't Even Finish a Bottle? WHAT'S the Point of Jones Soda's Smoked Salmon Pate?

    you see the new Jones soda flavor? Smoked salmon pate. even the owner says he can't finish a bottle. WHY MAKE IT THEN?
  12. J

    Understanding the Odd Permutation Product Mystery

    i was wondering if anyone can help me understand why the product of two odd permutations is odd? i came across this on a website but it didn't help me understand why. thanks for the help
  13. wasteofo2

    Smoking pot into your 30's, or even 40's.

    I just got to see Cream at Madison Square Garden last night. Very cool stuff. What I also got to see was a bunch of people in their 40's and 50's smoking pot. I'm a teenager, and I'm used to seeing that at concerts, I'm just not used to seeing people as old as my parents doing it. So, I just...
  14. M

    Understanding Even and Odd Functions: Exponents and Symmetry Tests Explained

    :confused: Can you always tell if a function is odd or even by looking at the exponents of each of the variables? My book says you can but when I look in other books it gives examples when that is not true. Or do you always have to do symmetry tests to decide?
  15. S

    Recursive formula for zeta function of positive even integers

    I was working with Fourier series and I found the following recursive formula for the zeta function: \frac{p \\ \pi^{2p}}{2p+1} + \sum_{k=1}^{p} \frac{(2p)! (-1)^k \pi^{2(p-k)}}{(2(p-k)+1)!} \zeta(2k) = 0 where [itex]\zeta(k)[/tex] is the Riemann zeta function and p is a positive integer. I...
  16. M

    Even Function Integrals: Can They Always Equal Zero?

    Would the integral of two even functions be 0 or not? I have an integral cos(t)*cos(2nt)that goes from 0 to pi/2 and was wondering if that would automatically be 0 or would the integral of cos(t)*sin(2nt) from 0 to pi/2 be 0? Thanks!
  17. Ivan Seeking

    News Even the conservatives have turned on Bush

    A massive federal budget deficit http://www.pbs.org/newshour/bb/political_wrap/july-dec05/sb_9-23.html
  18. quasar987

    Proving the Existence of Even and Odd Functions in f:R-->R

    I'm puzzled by this question: Show that for all function f:R-->R. there exists an even function p and an odd function i such that f(x) = p(x) + i(x) forall x in R. I got nothing.
  19. S

    Should I even bother disputing my grade? How I hate stupid team members@#

    Well here is what happened. Long rant so be prepared. All throughout my time at community college I worked my *** off to keep a good GPA. This last semester was my final semester in my Computer Programming and Analysis diploma program. All I needed was to receive four 4.0 across the...
  20. marcus

    What is Not Even Wrong, THE BOOK!?

    Not Even Wrong, THE BOOK! http://www.math.columbia.edu/~woit/bookcover.jpg see blog discussion: http://www.math.columbia.edu/~woit/wordpress/?p=245#comments
  21. F

    Where can I find the even numbers questions answer?

    I wonder why only the answer of odd number question of most of the textbooks are given. The author do it purposely? Where can I find the even numbers questions` answer?
  22. quasar987

    Groups of Even Order Containing Odd Number of Elements of Order 2

    Show that if G is a finite group of even order, then G has an odd number of elements of order 2. I'd appreciate a tip or two. I really don't see how the order of the elements of a group is linked to the order of that group.
  23. F

    Even aging can't be so easily cured

    I just read that "Even aging can't be so easily cured by replacing someone's whole body: our brain seems to contain the circuits causing us to age, and you'd just see the replacement aging very rapidly. (The circuits aren't just electrical but chemical too. And this experiment has even...
  24. G

    Could Quantum Fluctuations Happen Even

    In the heat death of the universe? where would it get its energy needed to fluctuate?
  25. T

    Mystery of 2.3: Is it Even or Odd?

    Sorry if this is the most elementary question ever, but hey, I gots ta know man! Is the number 2.3 even or odd? :confused: The Rev
  26. T

    Not recogizing the network or even getting internet acess

    I just turned on my computer and a lot of things a screwed up. For one thing its not recogizing the network or even getting internet acess. Which is weird because our cable is working... I am connected now through my laptop. Also I have dual monitor however currently only one monitor is working...
  27. F

    How does one get better at math/science? Is it even possible?

    yeah sounds like a stupid question, but I'm at a very important time in my life right now and very depressed. :( All I know is to solve problems and read. The more problems you solve the better you get at something. But is that enough? What if I'm stupid? Can one get 'smarter'? :(...
  28. Z

    Nothing much works not even norton

    I have uninstalled and reinstalled my norton anti viruse program and it refuses to work. the last time its not even showing up in my add/remove programs. I have some serious computer problems an no way to fix it
  29. D

    Half vs Full Range Fourier Series: Odd & Even Functions

    I'm a little confused about the difference between the half range Fourier series and the full range Fourier series. What is the difference between the two in an odd function like f(x)=x and an even function like f(x)=x^2 ? Maybe an example to clear things up. Thank you.
  30. I

    Can there be a largest prime within the concept of infinity?

    Is infinity even or odd? If it's even (or both), then it would mean there's a finitely largest prime. By coarsely applying limit concepts, and lim(x->inf)x/2 does not yield a remainder.
  31. B

    Normalize the even wave functions for the finite square well

    I'm trying to normalize the even wave functions for the finite square well. The wave function is: \psi(x)= \begin{cases} Fe^{\kappa x} & \text{for } x< a\\ D\cos(lx) & \text{for } -a\leq x \leq a\\ Fe^{-\kappa x} & \text{for } x> a \end{cases} How can I determine D and F? When I...
  32. T

    Getting even in subtle and not so subtle ways

    Yesterday I decided to get my hair cut. Being a naturally good looking guy I don't see the need to pay a lot for a hair cut. So I went to Cost Cutters. The manager of the store was the guy who got to cut my hair. He started in with the same lame conversations they always do, but I had a...
  33. marcus

    Is String Theory Truly Predictive? Discussing the Controversy and Challenges

    http://www.math.columbia.edu/~woit/blog/archives/000133.html the comments are in reverse order, so you have to start at the bottom and read up the topic is "The Problem of Predictivity" in String Theory and the discussion was triggered by Steve Giddings paper...
  34. S

    Can Modern Calculators Solve (8^2003 + 6^2003) / 49?

    Even calculator can't solve this... (8^2003+6^2003)/49=? Who can solve this?
  35. A

    Determine whether f is even, odd, or neither?

    I've tried looking through my book to see how to do these, but I just can't find it. Any help would be appreciated: 1) f(x) = 2x^5 - 3x^2 +2 2) f(x) = x^3 - x^7 3) f(x) = (1-x^2)/(1+x^2) 4) f(x) = 1/(x+2) Thanks in advance!
  36. Arctic Fox

    Is it possible to know the future through a biological mechanism?

    So, if I'm thinking of this correctly... The faster we travel, the slower time progresses for those traveling. We go faster, time for us slows down. Just for ease of example, let's say the travelers are traveling exactly at c. They travel toward a star that is 10LY away - so at c...
  37. C

    Interface is even more abstract then an abstract class

    Hello all I know an interface is even more abstract then an abstract class. Let's say I want to make an interface called Furniture that implements two class called Chair and Table. What does this exactly mean? Can someone please clarify this? Thanks public interface Furniture { int...
  38. H

    Sound wave questinos my tutor couldnt even figure out

    sound wave questions my tutor couldn't even figure out allright, well, i tried these problems, really thought i knew what i was doing, cause this section has been fairly easy, but i just can't get a couple of them! maybe you guys can help? 1 A stationary motion detector sends sound waves of...
  39. M

    What Makes This Gamma-Ray Burst Even Brighter Than Others?

    http://www.newscientist.com/news/news.jsp?id=ns99996736
  40. S

    Even Order Groups: Counting Elements of Order 2

    Prove: a group of even order must have an even number of elements of order 2
  41. A

    Can you throw a knife that doesnt even rotate or spin

    Specially in the movies... i see people throw knives at enemy's neck or the head instantly killing them... some of the knife i saw.. fly straight without any rotations... how can you throw a knife that doesn't even rotate or spin... and travel straight with high velocity ? ( and the mass is...
  42. S

    Is the Integral of f(t)*cost dt an Odd Function with Limits from -pi/2 to pi/2?

    f(t) = 1 if -pi/2 <=t <=0 -1 if 0<=t<= pi/2 0 elsewhere how does integral of f(t)*cost dt become and odd function with the integral limit from - pi/2 to pi/2 ? thanks a lot
  43. JasonRox

    Is the derivative of an even function always an odd function?

    If a function is even, prove that the derivative is odd. Look at a graph of x^2 we can clearly see why. This is how I would approach this... If we solve d/dx x^n and n is an even integer, we get the derivative nx^(n-1). Since n is even, n-1 is odd. Because n-1 is odd, the derivative...
  44. U

    Odd or Even? Analyzing an Equation

    the rule for an odd function is: -f(x)=f(x) correct? however, x^3 is odd? Why is that? -(x^3) != (x^3) Also, how would someone tell if a function is odd or even if it was an equation like: (x^7)(x^6)/(x^4) or something of that nature?
  45. wasteofo2

    News 1/4 of a million people protest the RNC before it even happens, peacefully.

    I live in a Suburb of NYC, and I worked from 10-8 today, listening intermitently to the radio and cd's. From all estimates, over 250,000 people protested the Republican National Convention today, and it hasn't even started. The best part is, it was all totally peaceful. I initially began...
  46. A

    My gcse results even tho u prob dont care

    jus want to let every1 kno this is what i got... A* Chemistry A* Physics A* Biology A* ICT A Art B French B Maths CC English C welsh :smile: im gunna take maths an science for A level
  47. E

    A Graph with Closed Paths of Even Lenght is Bipartite?

    The title says it all. I'm having trouble showing: If G is a graphs where all the closed paths in G are of even length, then G is bipartite. G is bipartite if I can find 2 vertex sets V and U such that every edge is of the form (v,u), v in V and u in U. I was thinking of the following...
  48. marcus

    Hawking transcript, thanks to Not Even Wrong and Sean

    http://pancake.uchicago.edu/%7Ecarroll/hawkingdublin.txt have fun
  49. N

    The Truth Is Buried (And Even Colin Doesn’t Know)

    From; http://www.spacedaily.com/news/beagle2-04f.html “The report has been kept confidential to protect commercial interests and ensure no one was afraid to come forward with evidence, according to the agency. Professor Colin Pillinger, Britain's chief scientist for the mission, said only...
  50. S

    Does time dilation occur even without a point of reference to measure motion?

    Help shed some light on this question please. It is my understanding that organisms age faster at the North Pole relative to organisms at the equator. And organisms at the equator age slower relative to organisms at the north pole. An experiment I head of that measured these effects was...
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