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Yesterday,
11:07 PM
doughishere
replied to a thread
Limits - split from Limits at Infinity: lim[x->-infty](1-4*cbrt[x^2])/(9+10x) = ...
in
Calculus
such a stupid mistake....so common. thanks.
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2 replies | 41 view(s)
Yesterday,
10:13 PM
Jomo
replied to a thread
Word problems. I am not sure what level of math the problem is.
in
Arithmetic
First I doubt that your speed (and hence odometer) is exactly 5 mph over all the time. Usually it is off by a percentage. That is the faster you go,...
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4 replies | 62 view(s)
Yesterday,
10:02 PM
Jomo
replied to a thread
Name the postulate or theorem you can use to prove two triangles are equal.
in
Geometry and Trig
Gee, thanks for thinking of me.
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11 replies | 467 view(s)
Yesterday,
09:32 PM
Denis
replied to a thread
Name the postulate or theorem you can use to prove two triangles are equal.
in
Geometry and Trig
So is Jomo :p
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11 replies | 467 view(s)
Yesterday,
09:27 PM
tkhunny
replied to a thread
Local Error: Euler/Modified Euler - moved
in
Differential Equations
1) Are you SURE you cannot find circumstances where each is the more accurate? 2) What's stopping you from calculating the specified partial...
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1 replies | 27 view(s)
Yesterday,
09:26 PM
Subhotosh Khan
replied to a thread
Word problems. I am not sure what level of math the problem is.
in
Arithmetic
Start with the assumption that you have driven for 'T' hours and continue...
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4 replies | 62 view(s)
Yesterday,
09:21 PM
Subhotosh Khan
replied to a thread
2 equations and 2 unknown seemed easy to solve but not.
in
Intermediate/Advanced Algebra
These are non-linear simultaneous equations. These are two ellipses - which may intersect at 0, 1, 2, 3 or 4 points (solutions). What methods...
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1 replies | 44 view(s)
Yesterday,
09:16 PM
ammelton1990
replied to a thread
Word problems. I am not sure what level of math the problem is.
in
Arithmetic
I do not know how to start to solve this.
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4 replies | 62 view(s)
Yesterday,
09:15 PM
ucanbizon
started a thread
2 equations and 2 unknown seemed easy to solve but not.
in
Intermediate/Advanced Algebra
Hi, I hope I am at the correct part of this forum to ask following question. I have 2 equations with two unkown (x and y) A=(b-x)^2 +...
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1 replies | 44 view(s)
Yesterday,
09:13 PM
Subhotosh Khan
replied to a thread
Word problems. I am not sure what level of math the problem is.
in
Arithmetic
What are your thoughts? Please share your work with us ...even if you know it is wrong. If you are stuck at the beginning tell us and we'll...
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4 replies | 62 view(s)
Yesterday,
09:08 PM
ammelton1990
started a thread
Word problems. I am not sure what level of math the problem is.
in
Arithmetic
I do not know how to start to solve this. My car speedometer measures 5 MPH more than the speed at which I am actually traveling. If my car...
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4 replies | 62 view(s)
Yesterday,
09:06 PM
Subhotosh Khan
replied to a thread
Name the postulate or theorem you can use to prove two triangles are equal.
in
Geometry and Trig
Dracula was a necrophiliac!!
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11 replies | 467 view(s)
Yesterday,
08:58 PM
ChrisHuey
started a thread
Local Error: Euler/Modified Euler - moved
in
Differential Equations
Hi All, I know that it I substitute theta = 0, I get Euler method. If I substitute theta = 1/2, I get Crank-Nicholson. I know this means that...
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1 replies | 27 view(s)
Yesterday,
08:39 PM
DrGore
replied to a thread
Suppose line A equals line B and line C equals line D. Can you use the SSS Postulate.
in
Geometry and Trig
Man, this is such a necro but I genuinely thought I had already replied to this thread thanking people. Well since I guess no good deed should ever...
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7 replies | 372 view(s)
Yesterday,
08:23 PM
sinx
replied to a thread
Integration Substitution
in
Calculus
what the expression says is y=summa (dy/dx)dx; in other words, y=the integral of its derivative]. Since the expression is too complicated to...
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4 replies | 61 view(s)
Yesterday,
07:48 PM
Jomo
replied to a thread
I need to know the equation for a problem I want to solve
in
Differential Equations
You need to find a pattern in what you are calculating. Sometimes it is best NOT to do the calculation each step to see a pattern. Day 1: 60 sec...
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2 replies | 44 view(s)
Yesterday,
07:31 PM
paiges
started a thread
Need help with IA Correlation.
in
Probability / Statistics
Hello! I hope I can provide a clear explanation of what I am trying to do. I am working on my IB Math Studies' IA. I have decided on the topic: Is...
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0 replies | 16 view(s)
Yesterday,
07:19 PM
brigitte
replied to a thread
Dimension of the subspace T of HomV
in
Intermediate/Advanced Algebra
Ok. I thought that kernel of f is whole L, because f(a)=0 for all a from L. Now I need to find the image of f, but I'm not sure is it equal to V or...
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2 replies | 31 view(s)
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