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GCSE - in maths now easier

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Grafter
Posts: 19,757
Registered: ‎30-07-2007

Re: GCSE - in maths now easier

well its fourty odd years since I had to worry about things like that
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Grafter
Posts: 5,924
Thanks: 2
Registered: ‎07-04-2007

Re: GCSE - in maths now easier

Quote
6dB x 6dB = something else (12dB2? Not sure what you do when squaring exponential units.)

Not a problem the decibel is a dimensionless unit. Grin
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Community Veteran
Posts: 20,030
Thanks: 2,724
Fixes: 40
Registered: ‎06-11-2007

Re: GCSE - in maths now easier

6db X 6db = 36 d sqared b squared (?)
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Grafter
Posts: 5,924
Thanks: 2
Registered: ‎07-04-2007

Re: GCSE - in maths now easier

Quote
The mathematical properties of logarithms mean that the overall decibel gain of a multi-component system (such as consecutive amplifiers) can be calculated simply by summing the decibel gains of the individual components, rather than needing to multiply amplification factors. Essentially this is because log(A × B × C × ...) = log(A) + log(B) + log(C) +
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Grafter
Posts: 2,933
Thanks: 4
Registered: ‎30-07-2007

Re: GCSE - in maths now easier

If maths is easier now - well, I got lost in this thread some hours ago................................... Cry
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Moderator
Moderator
Posts: 29,627
Thanks: 3,068
Fixes: 460
Registered: ‎14-04-2007

Re: GCSE - in maths now easier

Don't worry Josie they do it to us occasionally....http://community.plus.net/forum/index.php/topic,61368.0.html  Angry

Customer and Forum Moderator. Windows 10 Firefox 79.0 (64-bit)

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Community Veteran
Posts: 1,264
Registered: ‎04-04-2007

Re: GCSE - in maths now easier

The answers are on the bottom of the first post Sad Guess I'll need to look with something over the screen later.
I can honestly say I didn't pass GCSE Maths though Wink
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Community Veteran
Posts: 5,880
Thanks: 1
Registered: ‎05-04-2007

Re: GCSE - in maths now easier

[me=Assos]sighs - you can tell it's summer, the exams are getting easier[/me]
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Grafter
Posts: 21,036
Thanks: 2
Registered: ‎04-04-2007

Re: GCSE - in maths now easier

Quote from: Colin
I can honestly say I didn't pass GCSE Maths though Wink

Yeah, the standard grades are even easier.