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+1 That is perfect imo Cambridge is great. I think OP is just reading the worked examples and not the stuff before it(explanations, deriving the formula, etc.)

Okay...i'm just thinking of which one is more easily reduced which I think is Fe3+ to fe2+ we need some1 else

you sure? Fe(3+) + e- ---> Fe(2+) is 0.77V. As you go down the table, the stuff are more reducible.

That method sounds much better. First you'd show that the triangles are similar. I got corresp angles and 90 = 90. Then you find the side lengths of each triangle. It isn't hard, just use pythag. And then yea I can't draw up a diagram unfortunately..

Ok...if fe2+ is more reducible then wouldn't it be still orange? I thought fe3+ was more reducible

I dunno tbh. I just saw fe3+ is more more reducible, so I just went less orange and therefore more green. Inert = unreactive

yes

Pt is a "perfect" conductor .ca seems to be california...hmm If the syllabus has or had a dot point on 1A= 1C/s, then this question is doable.

54b) That paper doesn't look like it's made in Australia. I got 0.3A. I'm not confident with the answer because I had to use physics to solve this one.. 33ii) I'd say the left solution will become more green(pale) and the right cell will become darker blue. iv) I don't know much on this but...

lmao

Is BMI a percentage of fat in your body? If so, then using these charts and calculators aren't effective at all... e.g. those freakish bodybuilders can weigh over 100kg. Then according to these calculators, they are severly overweight.

I just realised the title of this thread. I think hyperbolic functions are way too advanced for general maths. It sounds very complicated

Lol yea. That was the dinosaur looking pokemon that I used to beat the game. Never knew its type was one of a kind..

What's sinh? It's on the calc but i dunno what it does. Anyway if it's really similar to sin 4sinxcosx - sinx = 0 sinx(4cosx-1)=0 sinx =0 cosx = 1/4

I remember when I played pokemon I liked the dark/ground pokemon. how many pokemon games are there now? arent they all the same with new pokemon? if it is...why do people keep buying it

and yea, that wasnt really a question lol

what's wrt?

"Product rule and then add C" Well you did try. The "are you serious" and "it's simply 2unit" really makes you look like an idiot

Splitting it should work. I got an equation with only sinx nvm...i used the sin expansion instead of the cos one ok.. you're gonna have to solve it the general solutions way. sinx = sin(90-3x)

Differentiate x+y+z = 0