報日僑華
Area of ABOC
=(0B)(OC)sin/Roc
=(10)(10)sin150°.
78000-
V=3.31 cm
Let the radius of
each sphere
3.51-r
=0.7906 =0.9247 cm
с
真四第張六第日四十月三年子甲曆夏
WAH KIU YAT PO
by (2-5)2)
1984
中學會考試題預習專欄
(x-5) (2(x-3)-1}< @
數學
(x-3){£x−7)<
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MATHEMATICS (30)
ILF 10
MITT & DALE PRESS ETD:
Suggested solutions
Revision Exercise
Paper F
SECTION A
(a) AADE A BEC
BC
AD
Area of ABEC
Area of AADE
Area of ABEC
=4x("rea of A
4x4cm
16 cm
(Ans.
(b) Let the area of AFR
and the area
becn
of ACPE be Y ca
Multipla hot side
by (x-3)“.
(3-3) < 5(x-3)^ 5(x-3)-(x-3) <0 (x-5) (5(x-5)−1} <
(-5)(5x10 c
Combine the results
of the two inequality ve obtain
16 < x < }
=1(10)(10)sin30°
-25 cm
Area of the shaded region
3)(3)+25
(Ans.)
-50 cm
SECTION D.
Let a the first
term of the progressión, the common. ratio of the progression:
a=27(1-r)
From (2)
+7(1-r) (r)=6
(3r-"}{3r-1)=0
9r2-9r+2=0
20
六期星
= 10 m
=62.5
日四十月四年四八九一公年三十七國民華中 育僑華
(Ansa)
=V+39
MC
=30433
AC
C.F.
depth of water
1052
50
10
(1 + 100)
-0.2052
40
1150
/CAC1=2%
30
(Ans,) 20
{b} _AM=AUCO@D
3045V
20
240
30+3
1331
240
=1Ucns11 -0.787 mi
787.
20.8174
_DAM=35°10'
the angle between
an and thes
CC is 35 10
30.
4:0
TO
60
100 marks
20 40
3f 60% of students passed in the test, then 20 students with scores less than the pass mark. From the Graph, the pass mark is 60.
equation
Câns.
the circle
16
-5y+16=0.
X+Y+16=(^=) = ( } ) ~ -|
8X-Y-16=0.....(?)
(2)x5
40X-51-8040.
(3)-(1):
36X-96-0
cm
(3)
8. 2
X
(Ans.
|(a) Let the cost
be P
idz 201
2020,
Px x{
-1.08P
1.082-2-5600"
0,08P=3600
P-43000
100
A paid $45000(Ans. B-paid 245000×120
100
-$54.000 (Ans.)
C paid
€45000x(1-30
48600
(b) Profit of a
8:54000-$45000
=9000
B losses.
$54000-848000
-$54.000
Ans
Multiply both sides
1984
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王啓光
ECONOMIC AND PUBLIC
AFFAIRS (30)
K.K. WONG & LT, CHAN
MILL & DALE PRESS LTD.
I Foreign Relations of
Hong Kong
The British Govern- ment has constitution- al responsibility for the external relations of Hong Kong. However, Hong Kong has been given certain degree of autonomy in the conduct of its
external affairs, especially commercial affairs.
Political Adviser The Political Adviser, a small office in the Secre
the Hong tariat of
Frot (2)
(√3+1)
(√3+1)(/3−1).
Substitute into (1
(ins
Gos.
n=18
(Ans.
(where k is a
constant
is increased by then
(1.1y)
-0.8204 (−)
It is decreased by (1-0.8264)x100%
-17.362
17.49
[ADB+2£3¢D=30
than
sssume in terms must be taken
1 r
X26.9
18 [1 - (41")
1- 27[1-(-)"}]> 26.9
0.1> 27(4) (-4)°< 270
plor()< 10g970
-0.477n
014314
n> 1) 4773
least 6 terms. must be taken(ins.
In the figure,
(Ans.)
the mid-point of DM 1 CC! and
Area of sector 40B
30
=100N (T102)
2cm
Kong Government
consists of members
of the British
Diplomatic Service.
They are responsible to deal with foreign affairs problems of
Hong Kong by offering
advice to the Hong
Kong Government.
The Foreign and Commonwealth Office in London has the formal authority to give directions to the Hong Kong Government on a wide range of foreign relations. The Bristish Government is responsible for Hong Kong's adherence to many international conventions and agreements.
External Commercial Relations
Hong Kong is a member of the General Agreement on Tariffs and Trade (GATT) and the Multi-Fibre
Arrangement (MFA). MFÀ provides the framwork within which Hong Kong negotiates bilateral
CDM=2/
=2.052
JAB+BC
-√6 +18
restraint agreements. with textiles
importing countries. GATT provides a basis for Hong Kong's external trade relations.
London Office
The London Office. acts as a bridge in London between Hong Kong and departments of the Bristish Government, Members of Parliament', the media and organisations with an interest in Hong Kong. The office collects information about British commerical, economie
and industrial: developments, and trade policies. With these information, it advises the Hong Kong Government on the likely impact of these developments on Hong Kong. It is also concerned with the welfare of Hong Kong residents in Britain by maintaining contact
Fet
E the set of students passed in English (the set of students passed in Chinese -the set of students
passed in Mathematics x=the number of.
students passed subjects.
Since there are althogether 60 students passed in English, therefore
(10−x)+(x)+(25-x)
The
+(30)=60
probiren
The required probability
20430+40).
150
(ii) The required
probability: 150-[60+20+(15−x)+40]
150-150- 150
150
The required. probability
10
(ans,).
(a) The mean score
2x2543x35+5x45;
50 10x55+14x65+10x75
50 4x85+2x95
50
with them and
providing them with helps when needs arise.
II. Local Administ
in Hong Kong
1. Urban Council.
ation
The Urban Council. is a statutory body whose jurisdiction covers provision of services to the population living in the urban areas in Hong kong.
The Council is charged with a number of mandatory
functions such as environmental hygiene, food hygiene, control of hawkers and markets, and the issue of public entertain ment licences. It also organises and provides cultural and recrea tional activities. The council's policies and decisions are carried out and implemnted by
(b) Redius
=√(16~3)2+(7–3)2
Tlie equation circle is
{x−6}'+{y−
(c)
2
-95 (Aus.
{(x+6))2 + (3-7)2
Prom (1):
y-14-2x
(2).
(3).
Substitute (3) int
(2)
(x-6)2+(14-28~7)2.
(x-6)2 + ( 7-2x)^=25
-12x+36449-28x+4x
**_40x+60=0.
-8x+12=0 (x−6)(x-2)=0.
When x=2 When
돼
and () are (2,10) and (6,2)
Let the volume of water contained be
V
240
30 cm2 (Ans.) (b) Let the volume of
each sphere be V Volume of Volume of
three spheres water
its executive arm, the Urban Services Depart- ment. The council is financial autonomous by receiving rates as the main revenue. In April, 1983, there. were 15 elected: members and 15
Ppointed members in the council. All councillors have individualor collec- tive ward office to receive complaints and to give assistance to citizens on a wide variety of matters related to the functions of the council.
2. District.
Administration.
District boards and district management. committee's are set up in each of the 18 administrative districts throughout Hong Kong. The aim of setting up district board's is to provide a balanced and representative channel:
cost=$(80x+603 36x+15y180 140x4200y > 1400 by yax
(c) The constraints in
(b) can be simplified
12x+53260. 7x+10y2 70 x, VEN
10
As shown in the graph, the solution set of constraints is the set of lattice points.
(d) From the graph, x=3 (Ans.) and y=6
(e) Therefore, the most
economical way is to hire 3 bus A and 6 bus B
The cost-80(3)+60(6)
-=$600(Ans.
Answers to Revision Exercise Paper II WANG 1. D 2. B JA 4. "E 57C 6. E -7... E 8. E 9. E 10. B 11 D 12 B 13. 14. D 151 B. 16. D 17. C 18. E 19. A 20. A 21 E 22 A 23E 24E 25. C 26. A £7. A 28, C. 29. D 30. A 31. E 32. D 35. 34. C 35. A. 36. A 37. C 38. E 39. C 40, C 41. D. 42. 45. B. 44. D 45. D. 46. E. 47. C-48% C 49. B 50. C 51. D 52. C 57. B 54. €
for public consulta-. tion and participation at the district level.
District boards consist of government officials, appointed unofficial members, elected members and Urban Councillors. The boards discuss a vide range of matters affecting the well- being of those who live or work in the district. Each district board has get
to deal up committees with matters such as environmental improve- ment, traffic and transport, community building, recreation and sports and district social services.
District management committees consist of government officials dealing with and implementing the decisions and policies of district boards.