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

Feb2313 09:23 AM
micromass

1 
33,266 
log9 (p) = log12 (q) = log16 (p+q)
What is q/p?
9^x + 12^x = 16^x
calculate x
(4/3)^x = q/p
I guess that...

Jul509 10:33 AM
JanClaesen

12 
1,938 
This is just some information on log functions.
log base a x = y is translated x is equal to b to the y power.
...

Sep2803 07:03 AM
ATCG

2 
1,394 
y = logx 4
identify the domain and range
state whether the function is increasing or decreasing, and identify...

Jan2705 11:36 AM
dextercioby

12 
1,461 
This is related to differential equations, but I think my question has more to do with log identities than DE.
I...

Aug2311 06:54 AM
HeLiXe

9 
1,193 
I an somewhat a layman, but i came across this problem. For any a & b, (b is not 0): ¤ a/b  a/b =0. ...

May907 10:18 PM
Moo Of Doom

2 
911 
sorry this should go under the " Homework, Coursework, & Textbook Questions" forum. please delete. i will repost.
...

Jan2306 08:26 PM
HallsofIvy

2 
1,442 
Hello All,
I am working on a program that produces plots that use a logarithmic scale on the XAxis (for showing...

Apr709 04:58 PM
Jdo300

7 
4,809 
Hello people,
I have a question about the logscale. What happens when we switch a plot from linear scale to the...

Aug2612 03:59 PM
haruspex

4 
1,201 
Don't need help anymore, I figured it out! =) thanks anyways.
Can a Moderator delete this thread?

Apr311 06:49 PM
atanamir

0 
1,358 
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 
23,549 
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 
6,178 
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 
438 
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 
591 
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 
2,772 
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 
1,215 
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 
531 
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 
795 
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 
1,917 
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 
922 
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 
3,392 
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 
1,045 
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 
6,523 
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 
5,700 
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 
1,428 
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 
314 
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 
904 
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 
1,655 
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 
2,644 
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 
1,687 
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 
2,534 
(x^3 +1)/(x^2 +3) = ?
_X______
X^2 + 3 / X^3 +1
 X^3 +3X
...

Jan2007 07:14 AM
HallsofIvy

2 
2,185 
Does it work ?
Exp: (s power of 4) over (4 times s power of 4 plus 1)
...

Dec310 11:38 AM
xiaoB

2 
849 
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 
785 
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 
2,362 
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 
930 
Im just wandering what is the longest equation in mathematics?

Jun2203 10:49 AM
einsteinian77

17 
19,911 