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How can I apply trigonometry rules to an isosceles triangle?

First, split the isosceles triangle down the middle to create a right angled triangle. Then label the opposite, hypotenuse and adjacent. The hypotenuse will be the longest side of the triangle, the opposite ...
GW
Answered by Gwen W. • Maths tutor
35880 Views

What is an interface and why are they useful?

An interface in the Object Oriented Programming (OOP) sense is very similar to a class definition - it is the definition of the various functions and procedures provided by the class (in this case interface)...
KC
Answered by Kajetan C. • Computing tutor
9383 Views

factorise the quadratic: v^2+20v+19

Recap defintions: factorise essentially means making the equation simpler by finding the common factors. This is a simple quadratic because the first term has a coeffecient of 1. therefore we know it will fa...
TL
Answered by Taylor L. • Maths tutor
4468 Views

Please can you explain the difference between 'por' and 'para'?

I think it is best to answer this question by looking at some examples 1. Llegué temprano a la cena por hablar a Juan I arrived early to the dinner due to speaking to Juan 2. Llegué temprano a la cena para h...
DC
Answered by Daisy C. • Spanish tutor
2622 Views

What are the determinants of Demand? What is the effect of a change in the determinants of demand?

The determinants of demand are the factors that affect the quantity of a product that is demanded (by consumers) at every given price level. The main determinants of demand include: Income level, Consumer Pr...
HP
Answered by Helen P. • Economics tutor
14919 Views