# General Thoughts: Mathematics (1 Viewer)

#### Technoash

##### Member
i believe 8 is supposed to be C and 10 is D
hmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm
are you sure? it says 'at least one'. I thought multiplication is for when all of them are true. I added them together to get a as it is EITHER of those probabilities.

#### photastic

##### Well-Known Member
Alternative Solutions for 15. b) part iii and iv

#### chrisdelinet

##### Member
Alternative Solutions for 15. b) part iii and iv

yay skimming over those solutions i did pretty much did the same thing =)

#### qwerty888

##### New Member
For the bearing question, if you did the bearing from A to C instead of C to A, would that be a straight 0/3? Can't believe I did that...

And also just for curiosity what would a raw mark of ~90 align to?
I did the same thing for bearing... anyone have an answer to this?

#### photastic

##### Well-Known Member
yay skimming over those solutions i did pretty much did the same thing =)
My predictions were correct, Q 15 will be the hardest section

#### chrisdelinet

##### Member
My predictions were correct, Q 15 will be the hardest section
considerably, i mean q 16 was just full of 'show' this and 'show' that and they just chucked in a simple integration question and a slightly harder simpsons rule and a 'bit' more complicated r value (1.01/1.003) for the deposit part

#### Simile

##### Member
How did everyone get 337 for the angle!

#### photastic

##### Well-Known Member
I did the same thing for bearing... anyone have an answer to this?
You get 0 since it was unnecessary to calculate that angle.

90 raw will align to 92-95 depending on the cohort's performance.

#### Technoash

##### Member
Alternative Solutions for 15. b) part iii and iv
wow. i skipped part ii and iii - and im luck i did

1. A
2. B
3. D
4. C
5. B
6. D (burnnnnnnnn put b! Why?!)
7. C
8. C
9. A
10. D

No band 6 4 me.
I probably put D as well. just didn't recall properly
Are you sure that 10 is D? I thought it was A

#### photastic

##### Well-Known Member
wow. i skipped part ii and iii - and im luck i did

I probably put D as well. just didn't recall properly
Are you sure that 10 is D? I thought it was A
P(at least 1) = 1 - P(No one wins) = 1 - (3/4 X 5/6 X 3/5) = 5/8

#### Technoash

##### Member
P(at least 1) = 1 - P(No one wins) = 1 - (3/4 X 5/6 X 3/5) = 5/8
Thanks. I was wrong

#### DanS

##### Born to do better.
Thanks. I was wrong
Yeah. Don't worry, 99 is better than nothing...

#### photastic

##### Well-Known Member
Thanks. I was wrong
Lol I cant factorise that cubic so let us burrrrrrrnnn

#### DanS

##### Born to do better.
Lol I cant factorise that cubic so let us burrrrrrrnnn
Yeah lol me neither. I literally just had to expand them all to get the answer!! haha i was scavenging for marks whereever i could

#### clo16

##### New Member
can someone post the working out for the superannuation question

#### Simile

##### Member
16gg , prone to silly mistakes and forgot, that you could do the maximum/ minimum question without doing th questions before! What did you get for k in the equation and the part I of the drug question

#### rose_maylie

##### New Member
yes. especially the exponential graph and tangent question. 16 was uncharacteristically easy :/
Anyone else find q15 much harder than q16?

#### Chocolatebubble

##### Active Member
16gg , prone to silly mistakes and forgot, that you could do the maximum/ minimum question without doing th questions before! What did you get for k in the equation and the part I of the drug question
part i) i just went screw it and put 10/3 + 10. it's wrong 99% sure

I'm curious about question 13 b)ii too im sure i got it wrong

#### rose_maylie

##### New Member
omg yes i got this!
Fuck you point p
also, fuck A, A1, and A2

was 16 c iii) x=1.5 and y=2.3?

#### hublay

##### New Member
Ye what the hell was the working for that superannuation question.. some please post.