MATH 238
University Of Notre Dame
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Pearson Edexcel Level 3 GCE Mathematics
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---12december 20232023/2024A
- . The number of bacteria, n thousand per cm3 
, in a sample of liquid is measured over a period of 
time, t, in hours. The data is shown in the table. 
t 3.9 5.5 6.8 8.5 10.6 11.5 13.3 14.7 16.5 17.8 
n 
10. 
1 
13.1 14.6 20.7 27.9 31.5 40 49.9 64.7 75.6 
The data is coded using the changes of variable x = t and y = log10 n. 
The regression line of y on x is found to be y = 0.7606 + 0.0635x. 
(a) Given that the data can be modelled by an equation of the form n = abt 
 where a and b are 
constant...
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Lectsavvy
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Case uitwerking
09a A level Mathematics Practice Paper I - Statistics and Mechanics ,Pearson Edexcel Level 3 GCE Mathematics
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---12mei 20212020/2021A
- Pearson Edexcel Level 3 
GCE Mathematics 
Advanced Level 
Paper 3: Statistics & Mechanics 
Practice Paper I 
Time: 2 hours 
Paper Reference(s) 
9MA0/03 
You must have: 
Mathematical Formulae and Statistical Tables, calculator 
Candidates may use any calculator permitted by Pearson regulations. Calculators must not 
have the facility for algebraic manipulation, differentiation and integration, or have 
retrievable mathematical formulae stored in them. 
Instructions 
 Use black ink or ba...
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$9.99 Meer Info
GradeProfessor