If anyone wants to questions they are...
Paper 1:
1)The circumference of the circle is 40.8 cm
Calculate the length of the minor arc AB.
(Degree in circle 110)
2marks
2) Multiply out the brackets and collect like terms
(3x-5)(x(squared)+ 2x-6)
3marks
3. Each capsule is in the shape of a cylinder with hemispherical ends as shown in the diagram. The total length of the capsule is 23ml and the length of the cylinder is 15ml.
Calculate the volume of one cod liver oil capsule.
Full length = 23mm
Just cylinder = 15mm
4 marks
4. Solve
3x(squared) + 7x - 5 =0,
giving the roots correct to one decimal place.
4 marks
5. A ten-pin bowling team recordered the following six scores in a match.
134 102 127 98 104 131
a) calculate
mean:
the standard deviation:
b) choose correct statements (cant be bothered writing out)
-the correct statments were 1 and 4.
6. The simultaneous equation on...
6x + 2y = 3148
5x + 3y=3022
Has the group been overcharged with
2x + 4y = 2056
4marks
7. Express as a single fraction
a/b + b/a
2marks
8. Solve the equation
5cos x -3 = 1
3marks
9. Change subject to formula to D
E= I/D(squared)
3marks
10. The tank has a circular cross-section
The radius of the circle is 1.9m.
The width of the surface of the oil, represented by AB is 2.2m
Calculate the depth..
4marks
11. Simplify with positive indices
(x(squard)y(4) / (x(-3)y(6))
2marks
12. Yacht one..
13. Due to the threat of global warming, scientists recommend in 2010 that the emissions of greenhouse gases should be reduced by 50% by the yer 2050.
The government decided to reduce the emissions of greenhouse gases by 15% every ten years, starting in the year 2010.
Will the scientists recommendations have been achieved by 2050?
4marks
`4. Simplify cosx tanx / sin x
2marks,
(i have to much time on my hands)