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

Feb2313 09:23 AM
micromass

1 
33,200 
can someone please explain the difference. Graphically and mathematically it is easy to see they are inverses. But I...

Jan2310 01:11 AM
Char. Limit

6 
6,160 
Hello, I have been studying Logarithms in University. I understand it's how many of ONE number to get another number,...

Jan2614 11:48 PM
Simon Bridge

1 
434 
The math behind the logarithms isn't hard especially if you can remember where things go and how the math is worked...

May1613 11:13 AM
arildno

7 
589 
Solve for x.
2^{x+1} + 2^x = 9
lg(x8) + lg(\frac{9}{2}) = 1+ lg(\frac{x}{4})
I can't get the answers :grumpy:

Oct2804 09:06 AM
footprints

18 
2,771 
if log2 = x and log3 = y, solve for log(base5)36 in terms of x and y.
how do i even get started on this? i'm really...

Dec1104 01:22 PM
seiferseph

4 
2,692 
Hey all,
so i finished logarithms a few weeks ago for mathematics/precalculus 12( also known as algebra II in the...

Nov1412 06:25 PM
hddd123456789

13 
1,208 
If P→Q, and P is false but Q is true, then why is P→Q true? To me, it seems as though we shouldn't be able to do...

Feb913 12:54 PM
Bacle2

3 
529 
I've always been a creative person since I was little.
I really wasn't noticed for my potential for maths at all...

Aug911 10:44 PM
Dr. Seafood

1 
793 
I know that if you have x2, that's the same thing as saying 1/x2. But I'm just wondering what is the mathematical...

Jan1110 05:44 PM
TacTics

9 
1,914 
Hey,
so i think this is a fairly simple question but i'd like to get it firmly understood in my head.
How do you...

Sep2012 10:09 AM
acabus

4 
919 
Hi. So a classic logic puzzle goes like this:
At noon the hour, minute, and second hands coincide. In about one...

Apr1009 03:45 PM
Soca fo so

1 
3,389 
help  this is visual basic code that deals with motion
can someone with some good math background pleas look it...

Feb206 03:41 AM
mk001

0 
697 
im just starting to write proofs and it's going well but some things aren't immediately obvious to me.
for example...

Jan1708 12:29 PM
ice109

4 
1,044 
My friend asked me this and I couldn't crack it, wasnt ever good at logic anyway:
Statement A: Both fathers always...

May308 05:01 AM
Gib Z

4 
6,519 
plz tell me where is the error here
1 = \sqrt{}1 = \sqrt{}(1) (1) =\sqrt{}1 \sqrt{}1 = i^{}2 = 1
so we get...

Mar2708 03:21 AM
kamerling

6 
2,734 
Both the logical implication and approaches use the same symbol. Have the two ever been famously confused? Is it...

Dec2109 02:40 PM
Landau

1 
717 
I just found this forum and it looks great! I'm an undergrad Physics/applied math at Western Washington University in...

Apr1608 12:37 PM
Diffy

5 
5,693 
Is there a way to introduce logical tests into equations? For example, C has a very useful operator "?:" which returns...

Oct1605 03:14 PM
Hurkyl

3 
1,425 
I originally posted this on the Biology message boards. But I have not received any responses.
In models of...

Jan2914 12:45 PM
pasmith

3 
308 
I'm having trouble coming to terms with the following:
ln x^n = n ln x
Which is all nice and well until I tried...

Dec2308 04:14 AM
kenewbie

9 
902 
Can Someone please solve this for me
Log2x^log2x=4
Where 2 is the base of log and exponent.

Apr603 06:00 PM
climbhi

9 
1,647 
I'm having a hard time solving this:
e^(x+3) = pi^x
I got these results, but I'm not sure if it is correct:...

Dec2606 09:45 PM
camel2

3 
2,641 
Is there a general method for solving these kind of questions ?
How would you solve it ? With steps please.
log...

Oct3110 10:26 AM
uart

16 
1,685 
I'm wondering how people used to solve log's. I can't figure out any sort of pattern when I look at certain logs (to...

Feb2207 07:29 AM
murshid_islam

12 
2,531 
(x^3 +1)/(x^2 +3) = ?
_X______
X^2 + 3 / X^3 +1
 X^3 +3X
...

Jan2007 07:14 AM
HallsofIvy

2 
2,179 
Does it work ?
Exp: (s power of 4) over (4 times s power of 4 plus 1)
...

Dec310 11:38 AM
xiaoB

2 
848 
I understood the logic behind long division which many teachers don't make any student understand! For example if I...

Sep2512 03:10 PM
chingel

2 
782 
Not sure when this problem in my book says to calculate by long division the series 1/(1+x) = 1  x + x^2  x^3 + ...,...

Apr412 05:03 AM
rcgldr

7 
2,344 
My longbow arrow problem has moved on from materials and I'm now trying to
understand how to calculate projectile...

Aug1711 10:04 AM
jack616

0 
927 
Im just wandering what is the longest equation in mathematics?

Jun2203 10:49 AM
einsteinian77

17 
19,906 
/
(2 ^ 1) / (1 ^ 1) = (1 / 2) / (1 / 1) = ( 1 ^ 1) / (2 ^ 1)

Jul2605 06:01 PM
HallsofIvy

7 
1,113 
I find that when doing problems in pure maths, I need to look at the solution very often and is happy just to be able...

Aug607 12:32 AM
pivoxa15

7 
1,304 
Hi, I just got to this forum after searching for an easy proof that Pi is irrational. The thread I found (google) was...

Nov2603 10:02 AM
uart

14 
6,901 
Is the an equation that can satify the following equation with out using any if statements?
x(t) = \left\{...

Oct2805 10:34 AM
Moo Of Doom

2 
909 
I'm looking for a book that will do a thorough exposition of everything we know about the distribution of primes. Can...

May706 10:28 AM
shmoe

4 
910 
I'm reading a for dummies book right now and there is a short paragraph about the invention of numbers. I find it...

Sep1108 04:39 AM
Embison

2 
1,072 
I have been wanting a book that would contain all mathematical theorems and proofs, such as G.S. Carr's A Synopsis of...

Nov411 02:55 PM
mathwonk

1 
1,503 
Hello. I'm looking for a certain type of Math software that I'm not sure exists. Something like Microsoft Word  but...

May813 02:14 PM
Kimosabae

2 
484 
I'm working with a cartestian system that has certain periodic properties I'd like to exploit with a new coordinate...

Mar1010 06:47 PM
coolnessitself

0 
706 
Hey all,
I am trying to find a function which will give me a family of curves similar to the one shown below. What...

Apr214 08:56 PM
slider142

4 
293 