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

Feb2313 09:23 AM
micromass

1 
38,907 
I'm currently developing a program which solves the displacement of an object using the standard acceleration equation...

Jan1812 10:23 PM
chiro

1 
1,386 
another little bit of help and this is NOT a homework assignment this is for an exam i need to understand it
the...

Apr2104 05:18 AM
matt grime

1 
2,893 
I'm taking a step back as I've found a concept I'm struggling with. If I have an equation:
2(x1)/3 = (x/4)+1
...

Feb1812 05:05 PM
Mentallic

4 
1,568 
Hi. I don't understand how a solution to a linear system is obtained (for example geometrically; don't consider the...

Jan314 06:15 PM
1MileCrash

2 
533 
Greetings all, I'm doing a refresh of calculus and physics in preparation for getting back to school this fall after a...

Aug2208 05:23 AM
HallsofIvy

10 
2,066 
Hi,
I am a college freshman and have taken Calculus I,II,III (covering derivatives, integrals, series and vectors)...

Jul3009 10:37 PM
symbolipoint

2 
894 
I'm curious to understand why there are such equations that cannot be solved with elementary methods, but rather only...

Apr209 08:34 AM
CRGreathouse

4 
2,009 
Hello;
I do not have any experience in solving nonlinear recurrence relations, so I was just wondering how one...

Oct310 11:27 AM
Petr Mugver

3 
2,738 
so i'm doing these lagrangian multipliers in calc class and it involves nonlinear systems and apparently the...

Oct2307 09:03 PM
ice109

2 
1,744 
I need help solving for any other information about the red triangle. Due to the extremely limited information I...

Jul1513 04:11 PM
verty

3 
609 
Ok first i'd like to note that i'm not good at mathematics and have a vague understanding of the conjecture. What i'd...

Feb1108 08:26 PM
wildman

1 
1,371 
Hi guys, I have attached my derivation in the image below. Im not solving the ode, but I need a relationship in this...

Jan2311 11:43 AM
thavamaran

0 
777 
I am just wondering, is there any gerneral method in solving PDE's or just by guess works??
thanks...

Dec1304 11:18 PM
dextercioby

3 
1,124 
Hi
I need help to solve the polynomial equation
27X4+4KXK=0 (K=0.9715)
Any one can help me
Thanks
Rao

Apr705 09:30 AM
dextercioby

1 
911 
we assume a,b,c,d are unknown variables,whose solution are either 0 or 1.So a power of a variable equals to...

Apr2212 11:55 PM
scn7th

12 
2,071 
The terminal side of an angle theta in standard position passes through (2,3). What is sec theta?
How would...

Sep708 05:49 AM
HallsofIvy

2 
2,487 
I know for ##ax^2+bx+c=0##,
x=\frac{b^+_\sqrt{b^24ac}}{2a}
Using ##x^23x4=0##, we know it is equal to...

Nov1613 04:06 AM
yungman

2 
620 
I just found this really old book. In it, I found a way of solving quadratic equations using calculus. Ive never seen...

Jan1810 06:34 AM
duke222

25 
5,178 
Hi,
I've done a response surface analysis, resulting in an equation of the form:
P= A + B*X + C*X^2 + D*Y +...

Oct711 02:57 PM
Mute

3 
1,011 
when solving a system of simultaneous equations in matrix from (with the LHS = 0) why does the determinant of the...

Mar1511 01:40 PM
Mark44

1 
1,757 
Is there any way of solving \int_{0}^{1} \frac{1}{\sqrt{100x^5}} dx by some regular method? If not, how does one go...

Apr1105 06:17 PM
dextercioby

8 
900 
(This isn't homework, so I guess it'd go here...)
Okay, so I'm trying to solve a system of equations with a...

Jun2314 06:14 PM
FysixFox

12 
1,914 
I can easily solve systems of equations with no complex numbers, could somebody give a short overview of the easiest...

Nov307 04:32 PM
arildno

4 
10,989 
I've stumbled upon a system of equations that involves trig functions...
100cos(θ) + 200cos(ω) = 250
100sin(θ) +...

Sep513 01:32 PM
verty

8 
2,030 
Hi,
I am trying to understand the binomial theorem, and would appreciate any insight or pointers.
To make notation...

Nov1011 09:08 PM
Tarty

6 
2,099 
2x+3y = 7, > equation1
2x^23y^2 = 25; > equation2
first of all tell me the type of equations
first i solve...

Dec610 05:44 AM
sjb2812

3 
796 
Hello,
abs(x²  4)^(x²  x  6) < 1
here's my work:
1. taking the log of both sides (can i do this even if...

Feb908 02:09 PM
jhicks

6 
1,960 
hey good people, i'm having a problem with how to solve a problem i'm having.
first of all, I am working on an...

Jun413 10:29 PM
slicer4ever

1 
492 
Hi,
The problem is to solve
(1g_{i+1})P_{i+1}P_{i}+g_{i1}P_{i1}=0
for P_{i}
with boundary condition...

Aug511 09:46 AM
Dickfore

4 
1,414 
i want to solve tan (f(x)) = g(x) ..also i want to determine all the possible solutions!
which numerical method i...

Sep1211 12:25 PM
Floid

3 
1,126 
I have a fairly large transcendental equation which I write in the form f(x) = 0. I have attempted to use Newton...

Dec2611 01:53 PM
Stephen Tashi

1 
1,540 
I was finding areas between random lines to pass time when i encountered an equation i could not solve....
...

Sep1910 10:21 AM
Mentallic

10 
2,052 
Hi,
I'm in need of some help solving a set of simultaneous equations which will (hopefully!) solve the inverse...

Jan1205 07:52 AM
dextercioby

1 
1,724 
Hi guys,
I need to solve the following trigonometric equation. Some time ago I would have used Fortran with the...

Jan3009 10:23 PM
Nopollution

0 
821 
Hi! I know, sort of, the algorithm of solving ei. sin x = sin 30 degrees. But I don't quite understand it. I would be...

Jan1005 11:33 AM
danne89

5 
4,737 
Is there a method to finding the roots of quartics besides Ferrari's formula?
I have the equation
...

Sep2512 06:18 AM
BloodyFrozen

13 
1,439 
I need help with this word problem.
What is the radius of a circle whose area is 154 square centimeters?
I know...

Nov3003 12:20 PM
ceptimus

2 
1,686 
Some books will mention that dy/dx is a symbol some say its a fraction,wht the truth? please help

Oct3010 12:11 PM
HallsofIvy

5 
1,339 
Schubert, over 100 years ago, considered questions like this: given several lines Li in space, how many lines M meet...

Mar205 05:15 AM
Hurkyl

26 
3,265 
I am attaching three problems in math, that were part of a competition at my country. I am lost in all of them, i...

Apr2807 12:56 PM
AKG

3 
1,650 