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In the triangle XYZ XY = 5.6 cm YZ = 10.5 cm angle XYZ = 90 Work out the length of XZ

Triangle XYZ forms a right angles triangle, so pythagoras' theorem can be used to calculate the missing side. We are given the two side length adjacent to the right angle, so we need to find the hypotenuse. ...
MH
Answered by Miss H. • Maths tutor
8780 Views

How do you solve simultaneous equations?

There are two main methods for solving simultaneous equations. The first method is the elimination method. This method uses addition or subtraction of the two equations with equal amounts of 'x' or 'y' in or...
WS
Answered by Wei Shi H. • Maths tutor
5075 Views

Explain how transcription of genes occurs

Transcription occurs in the nucleus of the cell.The enzyme DNA helicase catalyses the 'unzipping' or splitting of the two DNA chains in the region of the gene by catalysing the breaking of the hydrogen bonds...
VT
Answered by Vanessa T. • Biology tutor
3206 Views

Vous décrivez là où vous habitez pour votre blog.

Bonjour tout le monde,J'habite à Londres, en Angleterre. J'aime Londres parce qu'il y a beaucoup de choses à faire, par exemple on peut aller dans une musée, mon musée préféré est 'The National Gallery', ou ...
CR
Answered by Charlotte R. • French tutor
3276 Views

Explain and define the roles of producers, primary, secondary and tertiary consumers, and decomposers

Every organism has a tropic relationship in a food chain. Producers are at the bottom of the food chain and they are autotrophs, meaning they get their nutrition through sunlight via photosynthesis, for exam...
JB
Answered by Jessica B. • Biology tutor
17943 Views