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Solve the following system of equations simultaneously to find the values of x, y and z. 2x+3y+4z=3, -x-y+z=1, 2x+y-z=0

First scale one of the equations so that upon addition or subtraction from another of the equations we cancel one of the 3 variables, next do this again replacing one of the equations used with the unused...

SA
Answered by Shaun A. • Maths tutor
2449 Views

What is the process that transports dissolved sugars around a plant?

Translocation

EC
Answered by Eloise C. • Biology tutor
2685 Views

A right-angle triangle has three sides (diagram would be included). Side A = 3cm; Side B = 7cm. What is the length of Side C (the hypotenuse)? Give your answer to 2 d.p.

Using Pythagoras' Theorem --> a2+ b2 = c2 (or c = SqRT(a

AS
Answered by Ashley S. • Maths tutor
2753 Views

In a chess club there are x boys and y girls. If ten more boys join and one more girl joins, there is an equal amount of boys and girls. Knowing that y = 2x+2, Calculate x and y. [4 marks]

There are x boys and y girls. So x = boys, y = girls. Ten boys join so x + 10 = boys, one girl joins so y + 1 = girls. These values are said to be equal, so we construct an equation with x and y. x + 10 =...

BL
5223 Views

How is power presented in ‘The Handmaid’s Tale’?

Whilst readers may assume that power is wholly possessed by the male population of Gilead, namely that of the Commanders, it could be convincingly argued that Atwood presents Offred as powerful in her uti...

SG
10850 Views

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