ATAR Notes: Forum
VCE Stuff => VCE Mathematics => VCE Mathematics/Science/Technology => VCE Subjects + Help => VCE General & Further Mathematics => Topic started by: inneedoftherapy on October 03, 2013, 11:41:14 am
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Hi guys
I have a few questions from various exams. :)
(Since somehow I'm exceeding the limit, I'll attach the files in the comments section below? Stay tuned?)
With attachment titled "linea q" , i was wondering how to do this question.
with the attachment titled "matrices q" I was wondering (even though I agree the answer is A, I was wondering why can't it also be E, I was thinking about it and it just seemed to make sense to me) Please explain why its wrong?!
Thanks so much !!!
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Matrices Q
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just to let you know. the pics are too blurry. can't see anything D:
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Is there another way to attach these, the files are either too big or the pcutres come out blurry :(
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Try something like imgur.com
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matrices
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Oh yay! I figured out a way ahhah
and here's the linear question!
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Oh yay! I figured out a way ahhah
and here's the linear question!
I think asking for four constraints here is a little confusing. I get two for b and two for c but then can eliminate one for each of b and c since the remaining inequation basically negates the need for the eliminated one.
The number of brake and clutch repairs are each constrained by the number of qualified hours (3 x 38 = 114) and apprentice hours (also 3 x 38 = 114) available in a week.
Brake repairs - 3 qualified hours each - 
- 2 apprentice hours each - 
The over-riding constraint for the number of brake repairs must be 
Clutch repairs - 3 qualified hours each - 
- 4 apprentice hours each - 
The over-riding constraint for the number of clutch repairs must be
since you cannot have half a clutch repair if we assume that no job can carry over into the next week.
While not asked for here, the information given leads to a profit equation of P = 75b + 120c