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.
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...
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?
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...
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...
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?
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...
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...
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
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...
: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?
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...
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!
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.
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...
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
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?
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.
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...
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...
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'? :(...
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
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.
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.
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...
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...
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...
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!
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...
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...
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...
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...
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
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...
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?
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...
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
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...
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...
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...