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The ability to communicate ideas clearly and effectively is a vital tool in any exam. This is not to say that it is not equally important to have a detailed knowledge of the relevant period, but proper...

Usage:In French, if you want to talk about an action which occured and which has completed; for example 'Jake ate the apple', you would use the passé composé. This is a specific event which has taken plac...

Infant mortality rate is the number of babies who die before the age of one per thousand live births per year. Infant mortality rate shows how countries survival rates vary due different stages of develop...

There are many reasons for using statistical models. Some examples include:
1) To simplify a real world problem
To improve understanding and describe a real world problem, for example understan...

From the equation of the area of a triangle,
Area = 1/2 ACCBsin(C)
20 = 1/2 * 8 *12 * sin(x) 
=> sin(x) = 0.416666...
=> x = 0.430 to 3sf