Year 12s: what will be the first way you research your future options? >>

Year 12s: what will be the first way you research your future options? >>

Year 12s: what will be the first way you research your future options? >>

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V= E - I r and E=IR + Ir...

Hi i was wondering if someone could help me out with rearanging these formulas as I have a sheet of 20 of them and have done the other 18 but these two are driving me up the wall.

For V= E-Ir I need to have the formula to find r

and then for E=I(R+r) also known as E=IR+Ir i need r as the subject aswell.

If you know what these formulas are and how to rearange them I would be really greatful, tried looking on hte internet and just kept getting banking websites :lolwut:

:lolwut:

Thanking you muchings :biggrin:

:biggrin:

V = E - Ir

Ir = E - V

so r = (E - V)/I

Second one:

E=IR + Ir (=I(R + r))

E/I = R + r

r = E/I - R

also is that daft punk?

OP

Thank you very much and yeah Daftnfirekt is a song from Daft Punks homework album.

Dude, why don't you just remember Venus = -run Into +Elephant?

Kyred

Dude, why don't you just remember Venus = -run Into +Elephant?

Isn't it easier just to remember the symbols!?

Some like acronyms to remember, some don't.

Kyred

Some like acronyms to remember, some don't.

Fair enough! :o:

:o:

I don't get it though!

Sorry, not able to solve your dilemma, my bad...

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