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BBC
· Mar 25, 2019
GCSE Maths: Algebra - Formulae and Graphs
Substitute values into formulae that need rearranging to find the unknown value. Suitable for teaching maths at GCSE in England, Wales and Northern Ireland and National 4/5 or Higher in Scotland.
BBC
· Jul 26, 2020
Tools used for sampling
One way to estimate the population size of an animal species is capture-recapture. Some animals are ... The population size is estimated using this formula: \(\text{Population size}