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

Feb2313 09:23 AM
micromass

1 
39,255 
Hi
P*e^(rt) = Accumulated amount of money
Principal
e logaritm
rate
time
is for continous compounding of...

Jun2009 03:51 PM
CRGreathouse

1 
26,266 
Hello all,
I am new to this forum, and am hoping that I might find some assistance from fellow mathematicians.
I...

May1810 10:51 PM
sin2beta

7 
26,143 
I'm wondering why we teach algebra students that they MUST rationalize the denominator of a fraction containing a...

Apr811 02:16 PM
symbolipoint

20 
26,028 
Once again my professor asked us to ask 6 people the following question and see how they answer it so if you could...

Feb2010 02:18 AM
robert Ihnot

16 
25,915 
What is the formula for calculating average power? Pavg=?

Sep1604 04:55 AM
arildno

2 
25,878 
Hello there my fellow complex number comrades,
I was just wondering, what are the key differences between a...

Aug1209 02:54 PM
ScienceNerd36

28 
25,854 
At exactly 5 p.m., Alex rode off from Asteroid. One hour later, Jessica rode off from Asteroid in the opposite...

Dec1007 07:52 AM
artangelo21

7 
25,755 
a series such as :
∑ from n = 1 ,until m for n
can be found with the law of the sum of arithmetical series:...

Feb1906 10:29 AM
robert Ihnot

3 
25,669 
Hello there
I am trying to figure out this but am having some difficulty. Your help would be much appreciated.
I...

Apr1309 03:54 PM
biomechs

18 
25,502 
In my teacher's office hours, I expressed some disappointment that she was going to skip one of the "application"...

Mar1510 01:54 PM
George Jones

80 
25,421 
and, consequently, infinitely many.
I am new to proofs so could you please check if this proof is correct?
Let x...

Jan2112 07:55 AM
micromass

26 
25,337 
Does the equation
a3 + b3 = c3
(where a, b and c are constants) have any general geometrical significance?

Sep412 01:45 PM
micromass

54 
25,282 
Who is pi derived, and what exactly is pi.

Dec2708 07:54 AM
HallsofIvy

14 
25,008 
hi peeps. just a quick one.
(a) how would you go around working out the fourier for exponential functions..
simply...

Dec911 12:21 PM
rayman123

4 
24,900 
Ok, I know this seems very obvious to most people, but I have a problem understanding it.
First of all: I have not...

Nov1908 04:55 AM
arildno

69 
24,873 
1 / infinity = ?
is there anything that we can reduce this to?
(i doubt there is, but you never know)
well,...

Nov909 10:16 PM
Hurkyl

23 
24,785 
Hi,
would anyone be able to explain how to evaluate a function using orthogonality (i.e. using orthogonality to...

Jun1209 10:49 PM
Bob S

3 
24,675 
Does anyone know how to derive the spherical unit vectors in the cartesian basis? Or a good link that might show how...

May2511 03:53 PM
saduma

4 
24,464 
Has anyone read their Sunday comics yet today? Here are the first three frames of Dilbert:
1. Boss: Your project...

Jun1806 04:22 PM
BSMSMSTMSPHD

7 
24,411 
Hi! I'd a look at complex numbers and can't understand how they can be applied to "the real world". Can anyone give me...

Nov309 09:46 AM
Mark44

7 
24,405 
I am trying to find the best algorithm that will find the prime numbers just for fun..
I am not a programmer so...

Sep2308 12:52 PM
chaoseverlasting

20 
24,398 
Hi there guys. My first post here. I heard this forum was really helpful so i've signed up lol.I'm trying to get to...

Aug1107 09:54 PM
JonF

12 
24,385 
In the course I'm taking, we are already done with Lebesgue integration on R, and while we have proven that for...

Dec107 02:53 AM
teleport

39 
24,373 
Heya's
how would one go about spanning a vector say 'u' onto a plane spanned by vectors v1 and v2.
I have a...

Oct1910 11:11 PM
schemeng

4 
24,243 
I want to compile a list of every branch of mathematics, for my studies.
This is what I got from wiki:
1. Basic...

Jan2311 07:19 PM
ErichFranz

3 
24,003 
I have a TI graphing calculator and I'd like to graph the following equation,...
x^3+y^33xy = 0
I'm not sure...

Dec204 07:27 PM
NeutronStar

5 
23,971 
I hope you could help me on this.
Is there anyone can tell how to calculate azimuth and distance of two points on...

Dec1207 12:31 PM
flowjon

5 
23,790 
Have a question about usage of mathematical jargon...
what are the differences between usage of "so that" and "such...

May3109 08:48 PM
symbolipoint

8 
23,597 
How do we come to 4.pi.r^2?

Aug1607 02:33 PM
ron_jay

7 
23,421 
How do you know when to use ≡ or =? I've seen the the formula for density written with that = and ≡.
Also, whilst...

Apr912 08:39 PM
Mark44

21 
23,389 
hi,
is there any way to find the cube roots of a complex number WITHOUT converting it into the polar form? i am...

Nov406 11:52 PM
murshid_islam

13 
23,317 
Hi.
If the radius of a circle is known and it's also known that its center is at X:0, Y:0, how can the points that...

Apr2309 07:21 PM
ikhal

18 
23,291 
When trying to determine whether a number is prime or not, the following algorithm is often used: Test all numbers up...

Aug104 11:19 AM
Dburghoff

3 
23,216 
I know that shape function is a function that will give the displacements inside an element if its displacement at all...

Jun305 07:39 AM
PerennialII

1 
23,116 
What's the difference b/w surface area and total area? For example, the surface area of a cylinder is A = 2 pi rh...

Oct1403 07:38 PM
selfAdjoint

12 
23,095 
Hi guyz, I have a small question,
In spherical coordinates if we define 2 vectors such as magnetization of a shell...

Mar2807 12:35 PM
Reuske

7 
22,986 
In a given rightangled triangle, the length of the hypotenuse is 10 and the length of one of the heights is 6. What...

Feb404 12:50 AM
curiousbystander

35 
22,888 
The centroid of a semicircle is noted at being (4r)/(3 pi)  http://en.wikipedia.org/wiki/List_of_centroids. However,...

Jul2009 02:26 AM
AUMathTutor

1 
22,783 
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:
...

Jan305 05:19 PM
rachmaninoff

4 
22,600 
2x4 is the same as 4+4 right? they both equal 8 right? by what logic does 2 x 4 = 8. I know its a rule. but why?!?!...

Jun907 06:47 PM
chroot

26 
22,459 