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boards.ie Quick question  
02:57 11-Feb-08   [Replies: 6, Views: 179]    By: Ibid
Hi all, I'm doing an transport economics project for college. I want to add something into it that's not covered on the course, namely what rate of growth is needed to justify an investment. A...
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boards.ie Maths Qs (Sequences & Series)  
14:59 10-Feb-08   [Replies: 3, Views: 222]    By: megcork
Hope I can post this here! Just wondering is there a particular formula I could use to work out the following questions: (sample exam questions) An arithmetic sequence has first term W...
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boards.ie Maths/Stats Problem  
23:59 4-Feb-08   [Replies: 10, Views: 234]    By: kmart6
Right I have a list of 400 peoples' heights! They range from 148 to 194! I need this answered; Using the mean height and standard deviation of height calculated in Question 3 and assuming a N...
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boards.ie Algebra (Cubic Polynomial) Help!  
13:12 3-Feb-08   [Replies: 15, Views: 309]    By: natrisioga
Hi, Just wondering if someone could help me solve this question, or at least point me in the right direction. f(x) is a cubic polynomial f(-1)=0 f(1)=0 f(2)=5f(0) i) Find the...
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boards.ie cosec  
18:06 2-Feb-08   [Replies: 8, Views: 312]    By: TX123
I have to make a graph of Cosec^4(theta/2) vs X. But im not sure how to get Cosec^4. any suggestions? ...
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boards.ie Polar Coordinates  
23:08 1-Feb-08   [Replies: 3, Views: 179]    By: JSK 252
I just wanted to know in the topic of complex numbers, why when you multiply two polar coordinates together, you add the cos and isin piii fractions instead of multiplying them normally. Are polar...
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boards.ie Probability riddle (Continued)  
18:14 1-Feb-08   [Replies: 46, Views: 1069]    By: Fremen
...nah, just kidding ...
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boards.ie Seeking statistics grind  
21:05 27-Jan-08   [Replies: 1, Views: 163]    By: MissThing
I'm currenlty studying a thrid level statistics course but am having difficulty following the content (its distance learning). I'm searching for a grind via grindsworld.com but to no avail. D...
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boards.ie Looking for a good book on...  
15:44 26-Jan-08   [Replies: 1, Views: 152]    By: tywy
Multi-variable Taylor Series, the order notation and stationary points. I have access to the UCD library so if I need to look at a couple of books that's fine. Just want a general unders...
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boards.ie Probability riddle  
16:46 24-Jan-08   [Replies: 78, Views: 1550]    By: sd123
Here's a riddle that involved probability and I heard the answer but I'm not really sure about it.... Random woman meets you and tells you she has two children, at least one of which is female...
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boards.ie Ploting bands on a graph  
21:57 21-Jan-08   [Replies: 4, Views: 136]    By: Victor
Over the last few years, I've posted polls like this one for mortgages and rents separately. http://boards.ie/vbulletin/showthread.php?t=2055041230 [http://boards.ie/vbulletin/showthread.php?t...
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boards.ie Any good links for a lad who needs maths for the JC?  
02:08 15-Jan-08   [Replies: 5, Views: 139]    By: BigBenRoeth
How are yez lads,now dont give me stick cos im useless at maths lol,but does anyone know any useful links where i could study for my JC's? I want to leave and get an apprenticeship or join the Arm...
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boards.ie Proving bijectivity?  
17:56 14-Jan-08   [Replies: 9, Views: 218]    By: carlowboy
How would I prove that a function like f(x) = x/(x^2 +1) is bijective? (1 - 1) Thanks ...
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boards.ie Bomdas  
12:57 9-Jan-08   [Replies: 25, Views: 893]    By: TheBazman
Right apparently on "Are you Smarter than a 10yr old" this was asked 5+3*0 = ? To which the correct answer was 0 (presumably on the basis that anything multiplied by 0 = 0) H...
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boards.ie Evaluating Trigonmetrix Functions  
18:18 6-Jan-08   [Replies: 8, Views: 230]    By: eamoss
Anyone what to show me how to do this with out a calculator? For anyone who has the Thomas' Calculus book its page 56 question 6. ...
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boards.ie System of linear equations  
02:28 3-Jan-08   [Replies: 10, Views: 310]    By: eamoss
Seeing that I cant get my lecture notes (website is down) I need your help. Like how do I work this out? Is there any sites that show you how to do this step by step? ...
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boards.ie [Req] Curve Fitting using Excel  
19:04 26-Dec-07   [Replies: 5, Views: 249]    By: FrCrilly
[If you know an international mathematics internet forum that could solve the below query, feel free to reply with its link. To summarise the query, I want to calculate meaningful values of A,B an...
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boards.ie help me!!  
16:02 14-Dec-07   [Replies: 4, Views: 240]    By: emo!!
Maurice and gary work in ****** maurice is 7 years older than gary, when maurice is twice his curren age, gary will be 51 . what age are Maurice and Gary now? i crap at maths can figure this o...
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boards.ie CafeOBJ  
14:14 14-Dec-07   [Replies: 0, Views: 77]    By: projectmayhem
gentlemen, i come with an issue. i've got a project due soon based in CafeOBJ, but i've no idea what to do. the questions are grand enough, as i understand the scripts themselves, and can draw...
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boards.ie Where in Blackrock/Stillorgan/Dun Laoghaire can I buy semi-log graph p..  
15:18 11-Dec-07   [Replies: 2, Views: 212]    By: breadmonkey
I found some internet sites where you can print it off but my printer at home is a knackered ink jet so I think it's more hassle than it's worth. ...
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boards.ie actuary as a degree  
17:21 9-Dec-07   [Replies: 7, Views: 568]    By: declan_lgs
Has anyone done/is anyone doing a degree in actuary here? I'm interested in doing it after my leaving cert coming up, but it would be a **** lot of work. I would love to do it for the money and th...
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boards.ie Please help.... Fourier analysis  
03:52 6-Dec-07   [Replies: 5, Views: 251]    By: jtiernan
[http://img519.imageshack.us/my.php?image=quesvk6.jpg]> I know it is to do with the formula [http://img207.imageshack.us/my.php?image=66964408co1.jpg]> But dont know how to do it.. ...
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boards.ie very simple graph question  
23:16 5-Dec-07   [Replies: 4, Views: 166]    By: jtiernan
[http://img141.imageshack.us/my.php?image=graphwi7.jpg]> I understand f(x) = x 0<x<2 just not y=-x/2+3 How did they get that? ...
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boards.ie Books for ultra basic linear programming  
16:03 5-Dec-07   [Replies: 3, Views: 131]    By: breadmonkey
I'm just wondering what type of books to look for that will have a section on basic linear programming. (If I type "linear programming" into the library search all I get out is stuff tha...
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boards.ie Lagrange Multipliers  
16:28 2-Dec-07   [Replies: 2, Views: 153]    By: jasonorr
I'm stuck with this question and I want to figure out how to solve it in case a similar one comes up in my exam tomorrow! Determine the max/min distance from the origin to any point on the ell...
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