bluebrandon
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 Brandon
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 Questions Asked
 84
 Questions Answered
 55
 Medals Received
 40

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 0
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 1
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 Questions Asked
 3
 Questions Answered
 0
 Medals Received
 1

 Questions Asked
 0
 Questions Answered
 1
 Medals Received
 0

 Questions Asked
 2
 Questions Answered
 0
 Medals Received
 1

 Questions Asked
 0
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 1
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 0

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 Questions Asked
 84
 Questions Answered
 55
 Medals Received
 40

0 
Questions Answered

bluebrandon:
Group Title
Let G be a planar graph with no K3 subgraph. Prove G is 4 colourable.
 updated 5 months ago
 3 replies
 No Medals Yet
Mathematics

bluebrandon:
Group Title
Let p>=3 and G be a planar graph with p vertices and 3p7 edges. Prove G is connected.
A connected graph is a graph in which for any 2 ve…
 updated 5 months ago
 14 replies
 1 Medal
Mathematics

bluebrandon:
Group Title
Let G be a graph with V={1,2,...100}, where x,y have an edge connecting them if xy=2 or xy=8.
Is G connected? Prove your claim.
…
 updated 5 months ago
 1 reply
 1 Medal
Mathematics

bluebrandon:
Group Title
Let G be a graph with
V(G)={1,...,2n}
E(G)={{2i1,2i}: 1<=i<=n}
…
 updated 6 months ago
 67 replies
 1 Medal
Mathematics

bluebrandon:
Group Title
How many compositions of n with k parts are there in which each part is a even number
except that a 1 may occur as a part at most once?
 updated 7 months ago
 40 replies
 1 Medal
Mathematics

bluebrandon:
Group Title
I need help finding the expression for a coefficient
https://db.tt/g9dfvPpB
 updated 7 months ago
 1 reply
 No Medals Yet
Mathematics

bluebrandon:
Group Title
solve for n in terms of c
cn^20 = n^n
 updated one year ago
 7 replies
 No Medals Yet
Mathematics

bluebrandon:
Group Title
I need to prove that there exists an n* such that
0 <= cn^20 <= n^n for all c>0 and all n>n*
…
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

bluebrandon:
Group Title
Let n be a positive integer. A permutation of [n] is a bijection σ : [n] > [n]. How many permutations of [n] satisfy the property that σ(1)…
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

bluebrandon:
Group Title
How many {0,1} strings are there with exactly n zeros and m ones.
 updated one year ago
 3 replies
 1 Medal
Mathematics

slimwilly:
Group Title
Which particle flows to produce electric current?
…
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

kickstar13:
Group Title
(x)= 80e^(.1x)40x and it says to determind relative max or min or inflection points if they exist using the second derivative technique
 updated one year ago
 55 replies
 2 Medals
Mathematics

asrodgers:
Group Title
Find the slope of the line passing through the points (3, 10) and (4, 5)
 updated one year ago
 5 replies
 No Medals Yet
Mathematics

sfarmer:
Group Title
simplify 4(3yv)+5(5vy)
 updated one year ago
 15 replies
 1 Medal
Mathematics

princess_a7:
Group Title
passes through (1,10),Parallel to y=7
 updated one year ago
 9 replies
 No Medals Yet
Mathematics

bluebrandon:
Group Title
Can someone help me understand this First Order Logic problem?
https://dl.dropbox.com/u/6717478/Untitled.png
…
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

bluebrandon:
Group Title
If there are 2 bacteria per liter, how many are there in 20cc? 60cc?
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

bluebrandon:
Group Title
A kind of algae is distributed in water according to a PPP (Poisson Point Process). It is known that the expected number of bacteria is 2 pe…
 updated one year ago
 23 replies
 No Medals Yet
Mathematics

coolaidd:
Group Title
..
 updated one year ago
 20 replies
 No Medals Yet
Mathematics

bluebrandon:
Group Title
prove using the Hilbert System
{¬q} ⊢ (p→q)→(¬p)
…
 updated one year ago
 29 replies
 No Medals Yet
Mathematics

bluebrandon:
Group Title
prove using the Hilbert System
{not q} ⊢ (p→q)→(not p)…
 updated one year ago
 5 replies
 No Medals Yet
Mathematics

bluebrandon:
Group Title
prove using the Hilbert System
{not q} ⊢ (p→q)→(not p)
 updated one year ago
 45 replies
 1 Medal
Mathematics

bluebrandon:
Group Title
If you had a 5 digit pin (numbers 0  9) with all combinations of digits being equally likely, what is the probability of guessing the pin i…
 updated one year ago
 43 replies
 1 Medal
Mathematics

bluebrandon:
Group Title
A florist stocks red roses and white roses. Of these, some have thorns and some do not. Let R be the event that a rose is red, and let T be …
 updated one year ago
 47 replies
 2 Medals
Mathematics

bluebrandon:
Group Title
If you have a deck of 24 cards and 4 of those are kings and 4 are queens, what is the probability of being dealt a hand of 5 cards with neit…
 updated one year ago
 8 replies
 1 Medal
Mathematics

bluebrandon:
Group Title
Suppose that A and B are two events. Draw a Venn diagram and use it to explain how P(~A ∩ ~B) can be computed if all you know are P(A), P(…
 updated one year ago
 12 replies
 1 Medal
Mathematics

pukiki98:
Group Title
For the following system, if you isolated y in the second equation to use the Substitution Method, what expression would you substitute into…
 updated 2 years ago
 3 replies
 1 Medal
Mathematics

mommyto1:
Group Title
What is the side length b in the triangle below?
 updated 2 years ago
 4 replies
 2 Medals
Mathematics

bluebrandon:
Group Title
If anyone can help me on this difficult linear algebra problem I would appreciate it!
http://dl.dropbox.com/u/6717478/Untitled.png
 updated 2 years ago
 4 replies
 1 Medal
Mathematics

bluebrandon:
Group Title
How can I prove that this sequence is increasing? http://dl.dropbox.com/u/6717478/Untitled.png
 updated 2 years ago
 29 replies
 2 Medals
Mathematics
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