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UNOFFICIAL MARKSCHEME Edexcel Maths Calculator paper 09/06/2016

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Original post by Disfuligee
80.4 is correct see DrPeter's post


Dr Peter who?
Original post by DrPeter
The marks should have indicated there was more work to do. Never mind, hopefully everything else went well and Good Luck !!


Yeah i was thinking theres no way a 6 mark can be that easy:grin:Silly me! Thanks again!
Original post by Mahrez
yes 7250 or something so it does


How'd you work it out? Scared to do my working on here incase I get roasted but here goes:

====
Paul buys a new car for $(American computer, insert pounds)15,000

The magazine said new cars lose over half their value after 3 years. Is this true?

100-x% (X is the percentage depreciation after the first year, don't know value)

X% So X/100*15,000 = x* (asterik is for future notation)

100-x% (X is the percentage depreciation for the next years after the first, don't know value)

X% so X/100*x*(from previous answer) = 7392 <---- the answer I got.

Yes, the car lost over half its value as (15000/2 = 7500 so 7500-7392 = 108).
Original post by Sullivan0
Is 45% OK for number 2?


Yeah it should be
i got £42.39 for question 11


i think u got number 19 and 20 wrong
I got 80.5 for the last question >.<

"i think u got number 19 and 20 wrong"

I got this as well, not sure if it is right or wrong but I got the same as Disfuligee
(edited 7 years ago)
Original post by 9091student
Dr Peter who?


This post

(Original post by DrPeter)
If I have the correct numbers,This is one way of doing last Q

Area = ( absinC)/2Sin-1 C

= 18x2/(7x8)= 40.00520088 degrees (DO NOT ROUND)

a^2 = b^2 + c^2 - 2 x b x c= 27.20955764 cm (DO NOT ROUND)

Cos A^-1= (b^2 + c^2 - a^2) / 2 x b x c

= 80.37550115

= 80.4 degrees
I got that!
when you were feeling sweet that you were able to do the last question but you realise that the answer is 80.8 not 40.0 -_-
Is there one for foundation? Please give me a link if there is
Hey guys i reckon ive got 105 overall,will that be a B do you think?Need it to go into the army so just want my mind putting to rest if you can please :smile:
Original post by DOMAR34
How'd you work it out? Scared to do my working on here incase I get roasted but here goes:

====
Paul buys a new car for $(American computer, insert pounds)15,000

The magazine said new cars lose over half their value after 3 years. Is this true?

100-x% (X is the percentage depreciation after the first year, don't know value)

X% So X/100*15,000 = x* (asterik is for future notation)

100-x% (X is the percentage depreciation for the next years after the first, don't know value)

X% so X/100*x*(from previous answer) = 7392 <---- the answer I got.

Yes, the car lost over half its value as (15000/2 = 7500 so 7500-7392 = 108).



15000*0.77*0.82*0.82=7766.22

This is the correct answer so Paul is wrong
I did that as well Xx
Reply 1013
Avatar for Abzzzz
Abzzzz
Trial and improvement was 3.7
how many marks everyone think they got then???
Original post by Abzzzz
Trial and improvement was 3.7


It's 3.8... 😶
Reply 1016
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9
Original post by haybe2k
i got £42.39 for question 11


i think u got number 19 and 20 wrong


19 and 20 is definitely right
Original post by Abzzzz
Trial and improvement was 3.7


You mean 3.8
I didn't do a curve on the graph as it was up and down numbers if you get what I mean, rather than increasing. rip A grade I was really hoping for :frown:
Reply 1019
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9
Original post by Abzzzz
Trial and improvement was 3.7


It was 3.8 lololol

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