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How do I solve the simultaneous equations 2x - y = 3 and 3x + y = 9

First of all you need to spot a way we can add or subtract these two equations together so that we can get rid of one of the terms . This is easily spotted by writing the equations like so:2x - y = 13x + y =...
JB
Answered by Joshua B. • Maths tutor
6445 Views

I want to apply to study art at university but I feel like my sketchbook isn't presenting me as well as I'd like. What can I do to improve it for my application?

The most important thing when it comes to working on your sketchbook is finding your passions, and displaying them in a detailed, intricate way. Try not to think about what you think the university will want...
HS
Answered by Hattie Seren M. • Art tutor
1775 Views

How do you factorise a quadratic expression using the formula

To factorise an expression of the formax 2 +bx+c We use the formulaX=(-b+/- (b^2-4ac)^(1/2))/2aExample:Factorise 3X 2 +2X+-1So here a=3 b=2 c=-1From the formula we get X=1/3 and X=-1And so our factorisation ...
KS
Answered by Kaitrin S. • Maths tutor
3511 Views

Describe the mechanics of breathing for inspiration during exercise. (5)

During exercise the mechanics of breathing for inspiration is different from that during rest. The diaphragm and external intercostal muscles along with additional muscles like the pectoralis minor contract ...
TH
12544 Views

Explain how different landforms may be created by the transport and deposition of sediment along the coast

Long Shore Drift is responsible for the creation of the majority of coastal sedimentary landforms. Eroded material, ranging in size from fine sand to larger pebbles and cobbles, are transported in three ways...
HW
Answered by Harry W. • Geography tutor
14483 Views