0580_w10_qp_23

This document consists of 12 printed pages.
IB10 11_0580_23/2RP
© UCLES 2010 [Turn over
*7884770374*
UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS
International General Certificate of Secondary Education
MATHEMATICS 0580/23
Paper 2 (Extended) October/November 2010
1 hour 30 minutes
Candidates answer on the Question Paper.
Additional Materials: Electronic calculator Geometrical instruments
Mathematical tables (optional) Tracing paper (optional)
READ THESE INSTRUCTIONS FIRST
Write your Centre number, candidate number and name on all the work you hand in.
Write in dark blue or black pen.
You may use a pencil for any diagrams or graphs.
Do not use staples, paper clips, highlighters, glue or correction fluid.
DO NOT WRITE IN ANY BARCODES.
Answer all questions.
If working is needed for any question it must be shown below that question.
Electronic calculators should be used.
If the degree of accuracy is not specified in the question, and if the answer is not exact, give the answer to
three significant figures. Give answers in degrees to one decimal place.
For π , use either your calculator value or 3.142.
At the end of the examination, fasten all your work securely together.
The number of marks is given in brackets [ ] at the end of each question or part question.
The total of the marks for this paper is 70.
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2
© UCLES 2010 0580/23/O/N/10
For
Examiner's
Use
1 Write down the number which is 3.6 less than – 4.7 .
Answer [1]
2 A plane took 1 hour and 10 minutes to fly from Riyadh to Jeddah.
The plane arrived in Jeddah at 2305.
At what time did the plane depart from Riyadh?
Answer [1]
3 Calculate 2 23
2.35 1.09− .
Give your answer correct to 4 decimal places.
Answer [2]
4 Shade the required region on each Venn diagram.
A B
A ∩ B' (P ∪ Q) ∩ R'
P Q
R
[2]

3
© UCLES 2010 0580/23/O/N/10 [Turn over
For
Examiner's
Use
5 Show that
3
3
4
+
1
1
3
= .
12
1
5
Write down all the steps in your working.
Answer
[2]
6 Write the following in order of size, smallest first.
20
41
80
161
0.492 4.93%
Answer I I I [2]
7 In France, the cost of one kilogram of apricots is €3.38 .
In the UK, the cost of one kilogram of apricots is £4.39 .
£1 = €1.04.
Calculate the difference between these prices.
Give your answer in pounds (£).
Answer £ [2]
8 A large rectangular card measures 80 centimetres by 90 centimetres.
Maria uses all this card to make small rectangular cards measuring 40 millimetres by
15 millimetres.
Calculate the number of small cards.
Answer [2]

4
© UCLES 2010 0580/23/O/N/10
For
Examiner's
Use
9
A
B
P
Q
C
8cm
10cm
12cm
NOT TO
SCALE
APB and AQC are straight lines. PQ is parallel to BC.
AP = 8 cm, PQ = 10 cm and BC = 12 cm.
Calculate the length of AB.
Answer AB = cm [2]
10 Nikhil invests $200 for 2 years at 4% per year compound interest.
Calculate the exact amount Nikhil has after 2 years.
Answer $ [2]
11 In a group of 24 students, 21 like football and 15 like swimming.
One student does not like football and does not like swimming.
Find the number of students who like both football and swimming.
Answer [2]

5
For
Examiner's
Use
12 The side of a square is 6.3 cm, correct to the nearest millimetre.
The lower bound of the perimeter of the square is u cm and the upper bound of the perimeter is v cm.
Calculate the value of
(a) u,
Answer(a) u = [1]
(b) v – u.
Answer(b) v – u = [1]
13 a × 107
+ b × 106
= c × 106
Find c in terms of a and b.
Give your answer in its simplest form.
Answer c = [2]
14 Priyantha completes a 10 km run in 55 minutes 20 seconds.
Calculate Priyantha’s average speed in km/h.
Answer km/h [3]

6
© UCLES 2010 0580/23/O/N/10
For
Examiner's
Use
15 Find the equation of the straight line which passes through the points (0, 8) and (3, 2).
Answer [3]
16
i
hg
=
2
Find i in terms of g and h.
Answer i = [3]
17 Solve the simultaneous equations.
5x – y = – 10
x + 2y = 9
Answer x =
y = [3]

7
For
Examiner's
Use
18
x°
8cm
NOT TO
SCALE
The diagram shows a sector of a circle of radius 8 cm.
The angle of the sector is x°.
The perimeter of the sector is (16 + 14π) cm.
Find the value of x.
Answer x = [3]
19 A model of a car is made to a scale of 1 : 40.
The volume of the model is 45 cm3
.
Calculate the volume of the car.
Give your answer in m3
.
Answer m3
[3]

8
© UCLES 2010 0580/23/O/N/10
For
Examiner's
Use
20
–4 –3 –2 –1 0 1 2 3 4 5 6 7 8 9 10 11 12 13
x
y
9
8
7
6
5
4
3
2
1
M
LK
The triangle KLM is shown on the grid.
(a) Calculate angle KML.
Answer(a) Angle KML = [2]
(b) On the grid, draw the shear of triangle KLM, with a shear factor of 3 and the x-axis invariant.
[2]

9
For
Examiner's
Use
21
20
18
16
14
12
10
8
6
4
2
0
10 20 30 40
Speed
(m/s)
Time (seconds)
The graph shows 40 seconds of a car journey.
The car travelled at a constant speed of 20 m/s, decelerated to 8 m/s then accelerated back to 20 m/s.
Calculate
(a) the deceleration of the car,
Answer(a) m/s2
[1]
(b) the total distance travelled by the car during the 40 seconds.
Answer(b) m [3]

10
© UCLES 2010 0580/23/O/N/10
For
Examiner's
Use
22
y
x
–6 –5 –4 –3 –2 –1
–1
1 2 3 40
9
8
7
6
5
4
3
2
1
Find the three inequalities which define the shaded triangle in the diagram.
Answer
[5]

11
For
Examiner's
Use
23
30°
86°
50°
B
C
DA
O
NOT TO
SCALE
The points A, B, C and D lie on the circumference of the circle, centre O.
Angle ABD = 30°, angle CAD = 50° and angle BOC = 86°.
(a) Give the reason why angle DBC = 50°.
Answer(a) [1]
(b) Find
(i) angle ADC,
Answer(b)(i) Angle ADC = [1]
(ii) angle BDC,
Answer(b)(ii) Angle BDC = [1]
(iii) angle OBD.
Answer(b)(iii) Angle OBD = [2]
Questions 24 and 25 are printed on the next page.

12
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reasonable effort has been made by the publisher (UCLES) to trace copyright holders, but if any items requiring clearance have unwittingly been included, the
publisher will be pleased to make amends at the earliest possible opportunity.
University of Cambridge International Examinations is part of the Cambridge Assessment Group. Cambridge Assessment is the brand name of University of
Cambridge Local Examinations Syndicate (UCLES), which is itself a department of the University of Cambridge.
© UCLES 2010 0580/23/O/N/10
For
Examiner's
Use
24 (a) Write
1 2
y x
− as a single fraction in its lowest terms.
Answer(a) [2]
(b) Write
2
3 3
x x
x
+
+
in its lowest terms.
Answer(b) [3]
25 f : 2 7x x→ − g :
1
x
x
→
Find
(a) fg
1
2
 
 
 
,
Answer(a) [2]
(b) gf (x),
Answer(b) gf (x) = [1]
(c) f –1
(x).
Answer(c) f–1
(x) = [2]

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