Lynda Maddock, GCSE Subject officer, provides an overview of both the Route A and Route B specifications and explains why you should switch to Eduqas.
This section includes GCSE (9-1) Religious Studies (RS) past papers from Edexcel.
Edexcel offer two syllabuses A (1RA0) and B (1RB0).
179) Vincent Huang (PRIMES) and James Unwin (University of Illinois, Chicago), Markov Chain Models of Refugee Migration Data (ar Xiv.org, 19 March 2019) The application of Markov chains to modelling refugee crises is explored, focusing on local migration of individuals at the level of cities and days.
As an explicit example we apply the Markov chains migration model developed here to UNHCR data on the Burundi refugee crisis.
A related problem is to consider colorings of $K_n$ for which every copy of $K_4$ uses at least $ distinct colors, and ask for the minimum number of colors that can be used to produce such a coloring.
Here we present an alternate proof of the best known upper bound, which is ^$.