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Oel 1 Zltryccxgtbeadzd
Mathematics A
Paper 1H
Higher Tier
Instructions
• Use black ink or ball-point pen.
• candidate
Fill in the boxes at the top of this page with your name, centre number and
number.
• Answer all questions.
• Without sufficient working, correct answers may be awarded no marks.
• Answer the questions in the spaces provided
– there may be more space than you need.
• Calculators may be used.
• You must NOT write anything on the formulae page.
Anything you write on the formulae page will gain NO credit.
Information
• The total mark for this paper is 100.
• The marks for each question are shown in brackets
– use this as a guide as to how much time to spend on each question.
Advice
• Read each question carefully before you start to answer it.
• Check your answers if you have time at the end.
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P62652A
©2020 Pearson Education Ltd.
1/1/1/1/
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−b ± b2 − 4ac
x=
2a b
1 2 Volume of prism
Volume of cone = πr h = area of cross section × length
3
Curved surface area of cone = πrl
l cross
h section
length
r
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r
h
2
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E
9
A 1 B
2 13
8
6 3
4 11
14
12
10 7
5
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(1)
(b) List the members of the set Bʹ
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(1)
A number is picked at random from the numbers in the Venn diagram.
(c) Find the probability that this number is in set A but is not in set B.
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(2)
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y
16
14
12
10
8
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−2 −1 O 1 2 3 x
−2
−4
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−6
−8
5
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4 7 x 10 y y
y = . .. .. .. . .. .. .. ... . . .. . . . .. . . .. . . .. . . .. . . . .. . . .. . . .. . . . .
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(1)
(b) Write 800 000 in standard form.
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(1)
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(2)
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(2)
(c) (i) Factorise y2 – 2y – 48
(2)
(ii) Hence, solve y2 – 2y – 48 = 0
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(1)
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Diagram NOT
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accurately drawn
148°
150° 150°
168° 168°
134° 134°
125°
125°
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x°
x = . .. .. .. . .. .. .. ... . . .. . . . .. . . .. . . .. . . .. . . . .. . . .. . . .. . . . .
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10 A = 2 × 343
B = 16 × 337
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(1)
(b) Express the number A × B as a product of powers of its prime factors.
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(2)
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B 8.4 cm C
A 17.6 cm D
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°
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7x – 2y = 34
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3x + 5y = −3
Show clear algebraic working.
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x = . .. .. .. . .. .. .. ... . . .. . . . .. . . .. . . .. . . .. . . . .. . . .. . . .. . . . .
y = . .. .. .. . .. .. .. ... . . .. . . . .. . . .. . . .. . . .. . . . .. . . .. . . .. . . . .
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Spinner A Spinner B
Spinner A Spinner B
red
..... ...............
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green
red
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........... .........
green
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green
(2)
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(b) Work out the probability that at least one of the spinners will land on green.
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(3)
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Diagram NOT
58°
O
P
M
L
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°
(2)
(b) Find the size of the reflex angle MOP
°
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(2)
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Work out the upper bound for the density of the block.
Give your answer in kg /m3 correct to 1 decimal place.
Show your working clearly.
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18 The table gives information about the heights, in centimetres, of some plants.
10 < h 20 35
20 < h 35 45
35 < h 50 75
50 < h 70 40
70 < h 80 8
0
10 20 30 40 50 60 70 80
Height (h cm)
(3)
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(b) Work out an estimate for the number of these plants with a height greater than 40 cm.
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(2)
6
19 Without using a calculator, rationalise the denominator of
3− 7
Simplify your answer.
You must show each stage of your working.
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21 Express
9x2 − 4
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1 7
× 2 −
3 x − 2 3 x − 13 x − 10 x − 1
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22 ABCD is a rhombus.
The diagonals, AC and BD, intersect at the point M.
Find the exact coordinates of the point where the line through B and D intersects the y-axis.
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8 15 22 29 36
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25 The curve with equation y = g(x) is transformed to the curve with equation y = −g(x) by
the single transformation T.
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(1)
The diagram shows the graph of y = f(x)
y
6
2
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−2 O 2 4 6 8 10 x
−2
−4
−6
(2)
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