General maths..how did you go???good or bad?? (2 Viewers)

[henry08]

post the paper plz.

 

[lind27]

This paper was fucking shit, it had barely and algebra and trig. I shouldn't have dropped from 2 unit. I swear the paper had more than 30% yr 11 in it which sucks coz i didn't do any of the yr 11 general course.

Paper was shit ( like no trig or any decent algebra)

Fuck u BOS :burn:

 

[r0kstar]

Yes, as in length, width and height.

But is that right. I certainly hope so.

oh ok. phew
well if 2 ppl got it and no1 else is commenting!
i cant remember how i got the 41.04 tho... i think i did heaps of weird trig stuff?
how did u get it?

 

[r0kstar]

I didn't get Simpsons rule 28) b)i

Find an expression for the area of the cross-section using TWO applications of Simpsons rule?

Is that just saying use Simpsons rule twice to get the area? O_O

OH CRAP

i did 2(h/3 (0 + 4a+b))

did any1 else do that?

 

[cait33]

oh ok. phew
well if 2 ppl got it and no1 else is commenting!
i cant remember how i got the 41.04 tho... i think i did heaps of weird trig stuff?
how did u get it?

i think it was 4x the length of the base of the cheese but u dunno how i got that... i think used the sine rule

 

[r0kstar]

i think it was 4x the length of the base of the cheese but u dunno how i got that... i think used the sine rule

oh yeh i think that was it... or did i do the cosine rule? :S
haha either way

 

[cait33]

yeah both would have worked

 

[warnieisthebest]

killed the exam. it was easiest maths exam ive ever done. i finished with 45 mins to go and went through and checked it all and was extremely happy. left the exam with 20 mins to spare.

 

[SleepDeprived]

You needed to use the cosine rule to find the width from 2 bottom corners on the cheese slice. There were 4 pieces of cheese all touching at the corners therefor you then had to multiply the side found by 4.

The answer was indeed 41.04

The other 2 sides were pretty straight forward.

The height was just the radius of the cheese wheel = 15cm

The width was the 3 times the width of the cheese block
1 = 7cm
3 = 21cm

Any other problems with the paper?

The only one I wasn't sure about was
28. b) i)
Find an expression for the area of the cross-section using TWO applications of the Simpson's rule.

I just wrote out the formula twice lol

h/3(4a+b)
h/3(4a+b)

then talked about how they needed to be added together?

What did other people get? Am I wrong?

 

[r0kstar]

wat did evry1 get for the lame timezone/flight question?
timezones r so confusing

 

[chelsea491]

Did anyone get the very last question as B had to be -8, as A was increased by 2

 

[SleepDeprived]

wat did evry1 get for the lame timezone/flight question?
timezones r so confusing

Distance = 8378km

Flight time = 9 hours

Local Arrival time = Wednesday 12pm (noon)

 

[r0kstar]

You needed to use the cosine rule to find the width from 2 bottom corners on the cheese slice. There were 4 pieces of cheese all touching at the corners therefor you then had to multiply the side found by 4.

The answer was indeed 41.04

The other 2 sides were pretty straight forward.

The height was just the radius of the cheese wheel = 15cm

The width was the 3 times the width of the cheese block
1 = 7cm
3 = 21cm

Any other problems with the paper?

The only one I wasn't sure about was
28. b) i)
Find an expression for the area of the cross-section using TWO applications of the Simpson's rule.

I just wrote out the formula twice lol

h/3(4a+b)
h/3(4a+b)

then talked about how they needed to be added together?

What did other people get? Am I wrong?

yeww!
yeh i think u needed to add em together or just say ur meant to times them by 2?

 

[SleepDeprived]

Did anyone get the very last question as B had to be -8, as A was increased by 2

Yep it was -8

 

[r0kstar]

Distance = 8378km

Flight time = 9 hours

Local Arrival time = Wednesday 12pm (noon)

omg!!!
yay!
i cant believe i got that!!
i can never ever do timezones!

 

[SleepDeprived]

yeww!
yeh i think u needed to add em together or just say ur meant to times them by 2?

Fair enough, I read the question and was like "WHAT THE HELL?"

Who else forgot how to work out percentage error? Lol

 

[SleepDeprived]

omg!!!
yay!
i cant believe i got that!!
i can never ever do timezones!

lol nice!
One of my mates read that question where it says "ignore time zones" and so didn't add the 5 hours difference. Poor guy...

 

[SleepDeprived]

I had like 20 minutes left at the end of the exam, after I checked it and everything and went through my paper and wrote in all my answers into my question book before I left so I can check and see what mark I got. Pretty sure its +95 WOO!

 

[r0kstar]

wat did evryone get for 28aiv), 26c and 26 aii and iii?
sorry!
but im rly stressing bout this damn exam!

 

[channelly]

How did anyone manage to get the answer for the last question, the size of b if a is increased by 2? the simpsons rule one, its the only question that puzzled me!