Analysis and Approaches for IBDP Maths Ebook 1 | Page 320

Your Practice Set – Analysis and Approaches for IBDP Mathematics
Exercise 46
46.1 (a)
(b)
46.2 (a)
3
4670 m
2
754 m
3
1470 cm
(b)
2
653 cm
46.3 (a) 30 m
(b)
2
5650 m
46.4 (a) 2 mm
(b) 71.2 mm
Exercise 47
47.1 (a)
(b)
47.2 (a)
(b)
47.3 (a)
(b)
3
2.23�
10 cm
16.5 cm
7.37 � 10 cm
12.1 cm
3
4900�
cm
4 3
3 3
1
9.02�
10 cm
47.4 (a) 2.06�
10 cm
(b) 3:1
Exercise 48
48.1 (a) 2830 cm
(b) 17.1 cm
48.2 (a) 2460 cm
(b) 23.3%
48.3 (a) 2940 cm
(b) 19.6%
48.4 (a)
2
704 cm
(b) 47.7%
4 3
2
2
2
49.2 (a)
3
26000 cm
(b)
2
6720 cm
(c) 44.2 cm
(d) 61.1
(e) 52.0
49.3 (a) 22.6
(b) 18100 cm
(c)
(d)
(e)
49.4 (a) 36.9
(b) 59.4 cm
(c) 65856 cm
(d) 1:0.630
Chapter 13
Exercise 50
50.1
50.2
50.3
50.4 e
2
�
9�
2
e �
�
2
2
3
161000 cm
5
R�
H
12
H � 76.2 cm , R � 31.7 cm
3
Exercise 49
49.1 (a)
3
2090 cm
(b)
2
942 cm
(c) 22.2 cm
(d) 81.2
(e) 2880 cm
2
312
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