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Maths, Addmaths and Statistics: Post your doubts here!
No prob... :)- Sarah22
- Post #7,390
- Forum: O-Levels / GCSEs / IGCSE
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Maths, Addmaths and Statistics: Post your doubts here!
(3×60)+(4×40)+(5×30) (6×60)+(4×40)+(0×30) =(490) (520)- Sarah22
- Post #7,385
- Forum: O-Levels / GCSEs / IGCSE
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Maths, Addmaths and Statistics: Post your doubts here!
Ppl if any1 can pls solve this for me a bit in detail.. it will be a great help.. thank you.. A barrel of oil when 2/5 full, weighs 12kg. When it is 1/4 full, its weight is 8kg. Find the weight of the empty barrel and its weight when the barrel is full.- Sarah22
- Post #7,383
- Forum: O-Levels / GCSEs / IGCSE
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Maths, Addmaths and Statistics: Post your doubts here!
I didnt get this question. . Please if you could be a bit more clear.. Thank you..- Sarah22
- Post #7,380
- Forum: O-Levels / GCSEs / IGCSE
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Maths, Addmaths and Statistics: Post your doubts here!
A small help ppl.. 1. A barrel of oil when 2/5 full, weighs 12kg. When it is 1/4 full, its weight is 8kg. Find the weight of the empty barrel and its weight when the barrel is full. 2. By 12 noon a driver has completed 1/4 of a journey. By 2.30 p.m he has travelled 3/5 of it. If his speed is...- Sarah22
- Post #7,368
- Forum: O-Levels / GCSEs / IGCSE
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Mathematics: Post your doubts here!
Oops sorry.. Not the 3(a), its 3(ii) -
Mathematics: Post your doubts here!
http://papers.xtremepapers.com/CIE/...S Level/Mathematics (9709)/9709_s11_qp_12.pdf Question- 10 (a) http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20%289709%29/9709_w11_qp_12.pdf Question- 3(a) Please.. Thank You -
Mathematics: Post your doubts here!
http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20%289709%29/9709_s11_qp_12.pdf Question- 10 (a) Please.. Thank You -
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Mathematics: Post your doubts here!
(i) f(x)=x^2-4x+7 For this you can follow the usual method, (x-2)^2-4+7 (x-2)^2+3 Range is: f(x)>=3. You can see this form the answer (x-2)^2+3 (ii) f−1(x)=y y=(x-2)^2+3 square root of y-3=x-2 x=square root of (y-3)+2 then you interchange x with y y=square root of (x-3)+2, which is your f-1(x) -
Only as high as I reach can I grow, only as far as I seek can I go, only as deep as I look can I...
Only as high as I reach can I grow, only as far as I seek can I go, only as deep as I look can I see, only as much as I dream can I be.- Sarah22
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Mathematics: Post your doubts here!
http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20%289709%29/9709_w10_qp_12.pdf Question- 6(ii), 7(iii), 11(ii) please.. Thank you.. -
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Mathematics: Post your doubts here!
Thank you.. I understood the gradient part, but I dont quite get the angle difference part.. Only and only if u dont mind, can u explain that part -
Mathematics: Post your doubts here!
1. May/June 2006, question 7 2. Oct/Nov 2006, question 10-Part (v) It would be great help.. Thank you.. :) (y) -
Mathematics: Post your doubts here!
Thank you soo much.. The paper is Oct/Nov 2005, question 8 & 9 -
Mathematics: Post your doubts here!
Hi... 1. A function f is defined by f : x → (2x − 3)3 − 8, for 2 ≤ x ≤ 4. (i) Find an expression, in terms of x, for f(x) and show that f is an increasing function. [4] (ii) Find an expression, in terms of x, for f−1(x) and find the domain of f−1. [4] I want the domain part.. 2. The equation... -
k fine.. we should stop arguing now.. ;) rnt u waiting 4 the last ppr?? im impatiently waiting 4...
k fine.. we should stop arguing now.. ;) rnt u waiting 4 the last ppr?? im impatiently waiting 4 it.. ;)- Sarah22
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