
Please post any and all homework or other textbookstyle problems in one of the Homework & Coursework Questions...

Feb2313 09:23 AM
micromass

1 
38,952 
Hello,
I am 14.So entirely an amateur.Obviously, I do not want to fall into the, "I am a complete amatuer of your...

T 07:12 AM
willmac2

0 
1 
Also, is there a special term for the geometry typically taught in high school?
And how does topology fit in here? ...

Y 08:46 PM
mathwonk

15 
475 
Maybe I'm plugging my website but I just finished writing a versatile cylinder calculator.
If you know two...

Y 07:49 PM
Mentallic

4 
138 
Hi,
What does N*m mean?
What does N/m mean?
What kWh mean?
What kW/h mean?
What does F=m*a mean?

Y 03:19 PM
Stephen Tashi

9 
379 
Suppose I have a function for a curve, for example y=x2. I want to find a function to "offsets" it by 2 units. That...

Aug2814 11:49 PM
Simon Bridge

11 
1,284 
I am a 15 year old who is obsessed with math....anyway, I developed an equation dealing with safe combination...

Aug2814 08:24 PM
willr12

3 
111 
We fix some N=1,2,3,\ldots, and define the factor group \mathbb{Z}_N as \mathbb{Z}/N\mathbb{Z}, and denote the...

Aug2814 04:24 PM
Stephen Tashi

1 
142 
I know I can define a sequence on a set ##X## as a function ##a:T\rightarrow{}X##, where ##T## is a countable totally...

Aug2814 10:29 AM
disregardthat

13 
351 
Hiya.
I got to an interesting bit in a calculus book, but as usual I'm stumped by a (probably simple) algebraic...

Aug2714 08:35 AM
Simon Bridge

6 
177 
Is the bottom half of an egg a hemisphere?

Aug2714 05:58 AM
tleave2000

6 
235 
Draw this description out on a piece of paper if you would like. I cannot figure this out, it has been years since I...

Aug2614 09:49 AM
getting2it

1 
178 
Hi, I'd like to know the log properties when they are the power of a constant. I've searched everywhere but I can't...

Aug2614 04:54 AM
Mentallic

3 
249 
Lets say that "d" is diametr of a circly,and C is the perimetr(length).
Why C/d = pi (3.14) is a constant?? I know...

Aug2514 10:10 PM
thelema418

2 
247 
I kind of know what limits are, or at least believe I do: I think that a limit of a sequence is just an...

Aug2514 06:50 PM
Korisnik

6 
303 
Guys,
I have a problem I'm trying to solve for work (we're trying to inspect a hole, and I'm trying to determine...

Aug2514 10:51 AM
SSWheels

5 
1,144 
Hey everyone I was thinking of something just now after watching a video. Every action has a risk of death some the...

Aug2514 06:38 AM
HallsofIvy

22 
586 
I know what it means by by even, or odd, function. i also know what it means graphically.
My question is how to...

Aug2414 07:18 AM
HallsofIvy

1 
226 
Hi,
I am wondering as to how to define the boundary condition for a shape in a unit cell. Just imagine that the...

Aug2414 05:50 AM
disregardthat

2 
184 
So consider a function ##f(x)## which is continuous for all ##x## except on some finite interval, say ####. Imagine,...

Aug2314 08:50 PM
pwsnafu

11 
404 
For certain types of functions I have been using the term 'general form' as a way of stating that some function of...

Aug2114 10:39 PM
thelema418

7 
277 
Recently, I learned that, in a probability density function, the probability of the occurrence of any specific xvalue...

Aug2114 06:02 PM
mathman

7 
356 
It seems selfevident that mathematics must keep uncertainty at arms length. For example, to deal with probability...

Aug2114 11:55 AM
Stephen Tashi

2 
280 
can anyone help explain the mechanism of coupled equation transformation and when and how can i transform similar...

Aug2114 11:09 AM
Greg Bernhardt

1 
248 
My first question is: is this formula (at the bottom) a known formula?
In this subject i haven't explained how i...

Aug2114 08:46 AM
mesa

3 
360 
How would someone go about writing a general expression for a function of a single variable and a constant? For...

Aug2014 11:22 PM
Jorriss

15 
420 
"A set in the plane is called a region if it satisfies the following two conditions:
1. Each point of the set is the...

Aug2014 01:49 PM
Nathanael

5 
282 
HI plz help me this could someone verify it for me plz find attachement
clc;
clear all;
k=0;
s=0;
N=inf;
for...

Aug1914 03:27 PM
mathman

3 
256 
10 000 cubic km of water can cover all the continents with a layer 7 cm deep.
Find the depth of the water layer if...

Aug1714 10:08 AM
mfb

11 
349 
I need to write, "(k)1/2= a finite term recursive expression of 'k' where 'k' is the set of all Reals where 'k' is...

Aug1714 09:24 AM
mesa

18 
651 
This problem came up after drawing a line on the spinning rotor of a food processor. I was idly musing about...

Aug1714 09:06 AM
Simon Bridge

8 
405 
In mathematics, what is the name (type) for a curve given by velocity and time dilation?
Specifically, I want to...

Aug1714 12:02 AM
Simon Bridge

1 
261 
Is there a time domain function whose Fourier transform is the Dirac delta with no harmonics? I.e. a single frequency...

Aug1614 02:39 AM
johnqwertyful

5 
302 
3,8,17,24,49,58,117,?
what is the missing number ? Also give the pattern you followed.

Aug1414 11:53 PM
haruspex

15 
493 
In the Feynman Lectures on Physics chapter 28, Feynman explains the radiation equation...

Aug1414 11:18 PM
Greg Bernhardt

1 
420 
I'm trying to get straight some basic complex number fundamentals.
First we have z=x+iy. Ok, my question is what...

Aug1414 11:13 PM
haruspex

17 
523 
I've indicated two rectangles. Can peeps tell me what they get for the ratio of widths? And then the ratio of lengths?...

Aug1414 09:19 PM
micromass

7 
514 
This came up in one of my readings:
"Neither the socalled fundamental theorem itself nor its classical proof by...

Aug1414 03:38 PM
mathman

1 
338 
I'm a mod developer and I would need some help to calculate best path/route to take for an entity. To keep this post...

Aug1414 07:29 AM
vilu

2 
263 
I am trying to calculate the distribution of a number of units between two points with a desired average not...

Aug1314 10:47 PM
Mentallic

3 
310 
Simplex method  infeasible
I'm looking at some linear optimization problems. In one example I must be missing...

Aug1314 04:24 PM
MrAnchovy

10 
343 