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Find the two solutions to the quadratic equation x^2-9x+18

The constant 18 can be written in the form 3*6. Therefore the brackets will take the form (x 3)(x 6). In order to find the sign in between them, we have to write -9 using 3 and 6. -9=-3-6 so the brackets ...

FA
Answered by Felix A. Maths tutor
4471 Views

What is stepwise refinement in top down programming?

This is the process of breaking down a problem into sections which become progressively smaller until each module can be written as a singular function. Each module can be tested separately or form part o...

ZN
Answered by Zoe N. Computing tutor
6256 Views

What is the difference between interpreted and intermediate code?

Interpreted code is compiled line by line when a program is run which means there could be errors. Compiled code is translated into object code, all at once and an executable file is produced. Interpreted...

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Answered by Zoe N. Computing tutor
3974 Views

What is meant by the term spooling? Give an example of when it can be used.

Spooling refers to the use of a temporary storage area, a buffer held in memory for a peripheral device to access when it's ready to process the instruction. This is because devices access data at differe...

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Answered by Zoe N. Computing tutor
8175 Views

Why was Martin Luther such a threat to the RCC?

Martin Luther and his ideas spread quickly, due to the invention of the printing press. He did not condone indulgence selling as a method of getting out of purgatory and therefore the RCC were set to lose...

RJ
Answered by Rebecca J. History tutor
4006 Views

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