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Solve the following simultaneous equations to give a value for both x and y: 3x+3y=9 and 2x+3y=5

  1. Subtract the bottom equation from the top equation to get 3x-2x=9-5 (you don't see no y values in this equation as the y's have disappeared and cancelled eachother out as 3y-3y=0)2) So 3x-2x=9-5 equ...
AF
Answered by Amy F. Maths tutor
2990 Views

How far does the application of new technologies explain the economic boom of the 1920s?

New technologies as well as mass production were central in causing the economic boom of the 1920s. Conveyor belt and moving assembly lines allowed mass production to take place following the introduction...

Answered by History tutor
2959 Views

Explain the process of DNA replication (6 marks).

The parental DNA is unwound from its double helix structure.DNA Helicase enzymes break hydrogen bonds between the bases of the parental DNA.DNA p...

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Answered by Gerald H. Biology tutor
19787 Views

simplify fully: (3x^2 - 8x -3)/(2x^2 -6x)

First of all, to simplify this fraction, we need to factorise the top and bottom equations. We shall start with the top equation. Now looking at the equation: 3x2 - 8x -3, we know that it's a q...

AH
Answered by Amanda H. Maths tutor
3711 Views

Prove that the product of 3 consecutive integers is divisible by 6

If you set the three consecutive integers to be n, n+1 and n+2, we know that one of the numbers must be divisible by 2 and one must be divisible by 3. For example if you had your three numbers as: 5, 6, 7...

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Answered by Shreeya K. Maths tutor
13479 Views

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