Common Skills E
Paper 2
1
Greg has purchased a property in 2009 for £102 000.
The value of the property dropped each year by 8% until 2013.
What was the value of the property in 2013?
3 Marks
2
Solve equation 4x² – 9x – 8 = 0
Give your answers correct to one decimal place.
3 Marks
3
Express
as a fraction in its simplest form
3 Marks
4
The CEO of Hunter Industries receives a pay rise of 80% and is now paid £270 000.
What was he paid before his pay rise?
3 Marks
5
Solve the equation
4 cos x° + 5 = 2; 0° ≤ x° ≤ 360°
2 Marks
6
A slimming group calculate their weight loss (in kg)
over the course of a 3 months
4 10 12 6 5 8
a Calculate the mean and standard deviation of this data
4 Marks
A second slimming group use a different diet regime.
Their mean is 9kg and the standard deviation is 2·5
b Make two valid comments to compare
the weight loss of the two groups
2 Marks
7
The cross section of a water pipe is shown
The radius of the pipe is 0·9 m
The depth of water currently in the pipe is 1·5m
Calculate the width ST of the water level
4 Marks
8
These two sculptures are mathematically similar.
The cost of each sculpture is proportional to it’s volume.
Calculate the price of the smaller sculpture
3 Marks
End of Paper