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Solve 7(x+2)=5x+21

The first thing we must realise is that there are brackets in this equation and thus this has to be dealt with. We expand out the brackets on the left side by multiplying 7 by x and 2 to obtain '7x+14'. We n...
Answered by • Maths tutor
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Draw a graph of x = (y+4)/4.

Note: There are multiple ways to do this, so find a way that works for you!Step 1: Get rid of the fraction.Step 2: Rearrange the new formula into y = mx + c.Step 3: Find the y-intercept and the x-intercept.S...
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Answered by Tarin N. • Maths tutor
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How do I analyze a Text for paper 1?

While reading the text look the following features: T ext Type (Article? Speech? Interview?) E lements of the text type (How do you know it is this text type and why did he use it?) A udience (Who is the tex...
VC
Answered by Valeria C. • English tutor
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How do you solve simultaneous equation where one of them involves powers?

Example: y - 3x = 2 , x 2 + y 2 = 4 y= 3x + 2 x 2 + (3x+2) 2 = 4 10x 2 + 12x + 4 = 4 10x 2 +12x=0 x(10x+12)=0 x=0 or x=-1.2 y=3 0 + 2 = 2 (0,2) is a solution y = 3 -1.2 + 2=-1.6 (-1.2,-1.6) is a solution
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Answered by Luke F. • Maths tutor
3261 Views

Explain what is meant by qualitative data

Qualitative data takes a narrative form that is non-numerical, e.g. a diary entry.
LK
Answered by Lizzy K. • Psychology tutor
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