Common Skills A
Paper 2
1
Ubivision made a profit of £280 000 this year.
They expect their profits to increase by 4% each year for the next 3 years
Calculate their predicted profit in 3 years.
3 Marks
2
Solve equation 3x² + 5x – 7 = 0
Give your answers correct to one decimal place.
3 Marks
3
Express
as a fraction in its simplest form
3 Marks
4
A football stadium is redeveloped and its capacity is increased by 15%.
It now has 41 400 seats.
How many seats did it have before redevelopment?
3 Marks
5
Solve the equation
8 cos x° − 5° = 2; 0° ≤ x° ≤ 360°
2 Marks
6
A footballers has the amount of passes he makes in 6 matches logged
86 99 100 81 91 83
a Calculate the mean and standard deviation of the passes
4 Marks
After an injury, the player's mean amount of passes per game was 82 and
the standard deviation was 10.
b Make two appropriate commons about the player's amount of passes after injury.
2 Marks
7
A train tunnel cross section is in the shape of part of a circle.
The radius of the circle is 11m.
The width of the tunnel at ground level is 18m.
Calculate the height of the tunnel.
4 Marks
8
These two shapes are mathematically similar.
8
The smaller shape has an area of 12cm².
Calculate the area of the larger shape
3 Marks
End of Paper