How to I draw the line x=2 in a graph program?
The program (MathGV) only lets you input a function y=f(x) but there is no y variable in the equation of the line x=0?
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Hi folks,
Doing some revision for exams after Christmas and came across this problem written at the bottom of one of my tutorial sheets:
Quote:
Mean rent for an apar...
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Given a set of points in 2-D space, how do you go about finding the "mid-point" of that set. I'm not altogether clear as to the properties of this "mid-point" but if I define ...
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Looking for some help.
I have a list of equations below.
I'm looking for which is the most conservative and which is the least.
Set 1
K0= 1-sinɸ'
K0= 1-.404 tanɸ'/1+ sin&...
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Hello,
Jus wondering about the span of vector space, I understand if ou have a number of vectors and you put them into a matrix if they reduce to row echelon they span. But if say your given s...
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Hello,
I'm trying to integrate
ln(1/(1-(6t/101))dt
but can't get the right answer out.
I do:
x= 1-(6t/101)
dx = -6/101 dt
giving me
(-6/101)ln(1/x)dx
I then integrate by parts:
u=(-6/101)ln(1/x)
d...
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There are 7 girls on a bus
Each girl has 7 backpacks
In each backpack, there are 7 big cats
For every big cat there are 7 little cats
Question: How many legs are there in the bus?
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basically i'm looking for formulae in probablilty or how do you claculate probability. there is an event which occurs say y times , the probability of it being true is say X how do you calculate i...
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Hello,
Just wondering if anyone could help me by explaining what the integral test is and how to apply it to questions? I have looked up text books and cannot find much on it or any examples. An...
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Hi, trying to solve this problem:
Code:
Inverse laplace of:
2s+5
--------------
s^2 + 6s + 9
I got the denominator to (s+3)(s+3), then thought I'd try split them up into partial fractio...
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Hi lads, could someone point me in the right direction about question 3 here [http://www.mee.tcd.ie/~ldowling/3e1a/hw3.pdf]>???
I don't want the answer, or anything similar, but if someone could e...
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Hi,
Being doing the IT thing now for 10 years and it's doing my head.
I love logic but I am not into office politics. I also always prefer Maths which has more emphasis on logic than Computer...
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Anyone know of a program which would allow you to enter coordinates for a line/curve, and it would give you the relevant function? (e.g. input (1,1), (2,2), (3,3) and would tell you it's y=x)
...
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I have my Christmas exam coming up in just over two weeks and I've just realised that I can't answer one full question...I'm ******! I can answer bits of questions but that's not really enough!
...
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Q1) Just wondering does anyone know how to get the arc lengh of
u(t)=(t-2, 3t^2+1, 2t^3) from t=0, t=Pi?
Q2) Also how can you get the tangent line and osculating plane to curve
u(t)=(t-2,...
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Hi,
I've jsut started on Predicate Calculus in college and I don't know what to make of it. Some people picked it up straight off the bat but i'm having awful problems trying to understand it.
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I don't know how to make a sticky - is it only moderators can do that?
Anyway, I think a sticky for maths jokes would be good.
Here's one to start, (an oldie but goodie!)
There are 10 ...
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for a project in college, we have to put on a mock maths week.... in a slot of 45mins.
its going to be primary school kids, not sure what age yet.
anybody any ideas on what we can do?
to kee...
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quick question
Let L : R^n --> R^n be a linear transformation. Is it true that if L(x1) = L(x2) then
x1 = x2?
...
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Hey,
Iv a question. I was recently asked to discuss (in less then 100 words!) the differences between Gaussian Elimination, Cramer's Rule and the Inverse Method for solving a system of linear equa...
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Hi, I was just wondering if anybody knows what, if any, the difference between d and the curly d is in differentiation, I think it might be partial differentiation but does it matter?
If so co...
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tryin to do a question here but cant really understand it
first of all how do you calculate variance?
also in the question i am doing there is a table of payout and probability and it asks for...
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I'm need to brush up on my maths. I figure the best place to start is to go over the maths I did for leaving certificate back in 1996. The books I used were Text & Tests 4/5 (I think) for Le...
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while pondering a while ago (I was VERY bored) I came across an interesting equation / constant whatever you want to call it: n^2 = (n-1 x n+1) +1
eg. 5^2 = (4 x 6) +1 or
7^2 = (6 x 8) + 1...
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Prolly could have looked this up, but thought i'd get your opinions first.
Well, is zero even or odd?.....Why?........And what would your definition of even / odd be?
I always thought that...
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