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# Maths Question GCSE AQA paper watch

1. I'm stuck on this question could anyone help? All help is much appreciated!

R is the total resistance in an electronic circuit
R is calculated using the formula 1/R = 1/R1 + 1/R2
R1= 0.6 and R2= 1.8
Work out the value of R
2. 0.45 recurring? I'm doing Edexcel so I've not really seen any question like this before.

I just substituted the values into the formula, simplified it and rearranged it.
3. (Original post by Darkstarcrush)
I'm stuck on this question could anyone help? All help is much appreciated!

R is the total resistance in an electronic circuit
R is calculated using the formula 1/R = 1/R1 + 1/R2
R1= 0.6 and R2= 1.8
Work out the value of R
4. (Original post by BTAnonymous)
0.45 recurring? I'm doing Edexcel so I've not really seen any question like this before.

I just substituted the values into the formula, simplified it and rearranged it.
Thanks so much for all the help! I really appreciate it and also the answer is correct here is the mark scheme
Attached Images

5. (Original post by Taahira_)
Thank you SO much for all your help! The answer was correct I have attached the mark scheme too
Attached Images

6. (Original post by Bapujisamji)
Thank you so much for all your help! It is really appreciated! I have also attached the mark scheme! Thank you so much once again
Attached Images

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