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Solve the simultaneous equations to find x and y. 4X=8Y+24; 7Y=23-2X

To solve these simultaneous equations I will use the substitution method. This method consists of finding out the value of one of the variables (X and Y) and then substituting this value into the other eq...

CO
Answered by Callum O. Maths tutor
3302 Views

Define globalisation and give an example of a country which has been affected by this process

Globalisation is the process by which the world is becoming increasingly interconnected as a result of massively increased trade and cultural exchange. Globalisation has increased the production of goods ...

RT
Answered by Reuben T. Geography tutor
2332 Views

Using diagrams, describe the difference between Ionic, Covalent and Metallic Bonding.

Ionic bonding is the electrostatic forces of attraction between a metallic and non-metallic ion. The metallic ion has a positive charge ...

EB
Answered by Eliza B. Chemistry tutor
3896 Views

Explain the process of osmosis and give an example of where this occurs (5 marks).

Osmosis is the diffusion of water molecules (1 mark) from a region of high particle concentration (1 mark) to a region of low particle concentration (1 mark), through a partially permeable membrane (1 mar...

EW
Answered by Emily W. Biology tutor
7223 Views

Prove that the square of an odd number is always 1 more than a multiple of 4

First we need to find a general form for an odd number, so that we can prove that when we square it, it will be 1 more than a multiple of 4 regardless of which odd number it is. An even number can always ...

IA
Answered by Isobel A. Maths tutor
2479 Views

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