Cambridge International Mathematics

ANSWERS IB MYP_3 ANS cyan magenta yellow black (^05255075950525507595) 100 100 (^05255075950525507595) 100 100 Y:\HAESE\IGCSE01\ ...

674 ANSWERS EXERCISE 1A 1a 3 x+3 b 10 ¡ 2 x c ¡x¡ 2 d x¡ 3 e 4 a+8b f 6 x+3y g 5 x¡ 5 y h¡ 6 x^2 +6y^2 i ¡ 2 x¡ 8 j ¡ 6 x+3 kx^2 ...

ANSWERS 675 EXERCISE 1H 1a(x+ 2)(x¡2) b(2 +x)(2¡x) c(x+ 9)(x¡9) d(5 +x)(5¡x) e(2x+ 1)(2x¡1) f(3x+ 4)(3x¡4) g(2x+ 3)(2x¡3) h(6 + ...

676 ANSWERS 5a¡(x¡1)(x+ 12) b¡2(x¡1)(x¡3) c ¡(x+ 7)(x¡2) d¡ 2 x(x¡1)^2 e(a+b+ 3)(a+b¡3) f x(x+4) 6a(2x+ 3)(x+7) b(2x+ 5)(x+3) c ...

ANSWERS 677 EXERCISE 2D 1a A=f 2 , 3 , 5 , 7 g bA^0 =f 1 , 4 , 6 , 8 g c 4 , 4 2a bV^0 =fb,c,d,f,g,h,j,k,l,m,n,p,q,r,s,t,v,w,x, ...

678 ANSWERS 2ainXbut not inY bthe complement of ‘in exactly one ofXandY’ c in at least 2 ofX,YandZ 3aA^0 bA^0 \B c A^0 [B dA^0 \ ...

ANSWERS 679 6a biP\Q=f 2 g iiP[Q=f 2 , 3 , 4 , 5 , 6 , 7 , 8 g iii Q^0 =f 1 , 3 , 5 , 7 , 9 , 10 g cin(P^0 )=6 iin(P\Q)=1iii n(P ...

680 ANSWERS EXERCISE 3B 1ax=¡^14 bx=¡ 18 c x=¡ 5 dx=18 ex=¡ 1 fx=¡^15 gx=¡ 1 hx=¡ 5 i no solution 2ax=15 bx=4^12 c x=17^12 dx=2^ ...

ANSWERS 681 ex= 100 fcorresponding anglesg fx=49fco-interior anglesg gx= 112 fvertically opposite anglesg hx=45fangles at a poin ...

682 ANSWERS EXERCISE 4E 1ax= 120 bx=95 c x=60 2a 108 o b 135 o c 144 o d 162 o e 176 : 4 o f ¡ 180 ¡^360 n ¢o 3a 8 sides b 24 si ...

ANSWERS 683 8a 1 b 43 c 10 d 1 e 21 :4% 9aA scatterplot as the data is discrete. b Golf score data for Guy 10 a Stem Leaf 0 18 2 ...

684 ANSWERS Review set 10B 1a$720 000 bAdmin. 72 o, Production 100 o, Marketing 90 o, Distribution 60 o, Advert. 38 o c 2a Anima ...

ANSWERS 685 2a¡ 72 b 108 c ¡ 648 3a 256 b 625 c ¡ 243 d 2401 e 512 f117 649 g¡117 649 h 1 :795 856 326 i ¡ 0 :005 487 423 936 j ...

686 ANSWERS EXERCISE 6G 1a p 10 + 2 b 3 p 2 ¡ 2 c 3+ p 3 d p 3 ¡ 3 e 7 p 7 ¡ 7 f 2 p 5 ¡ 5 g 22 ¡ p 11 h p 6 ¡ 12 i 3+ p 6 ¡ p 3 ...

ANSWERS 687 4az=b ac bz=a d c z=^2 d 3 dz=§ p 2 a ez=§ p bn f z=§ p m(a¡b) 5aa=F m br=C 2 ¼ cd=V lh dK=b A eh=^2 A b fT=^100 I P ...

688 ANSWERS 8 9 male and 4 female costumes 9 x=5, y=2 10 $45call out and$60an hour 11 a a=^59 ,b=¡^1609 b 25 oC Review set 17A 1 ...

ANSWERS 689 Review set 18B 1ax= p 18 bx= p 61 c x= p 2 222 +5^2 =( p 29)^2 ,AbBC is a right angle. 3 No, AB= p 41 m, BC= p 61 m ...

690 ANSWERS Review set 19B 1a i 30 cm^2 ii 4 m^2 iii 60 ha b 62 rectangles 2 6 ha 3a 30 cm b 22 : 7 cm c 85 : 1 cm 4a 489 cm^2 b ...

ANSWERS 691 Review set 20A 1a 0 : 87 b 1 : 109 2a$2900 b 58 : 5 kg 36 : 05 m 4aU 8845 b U 2745 5a$ 500 b 11 :1% 6a$12 b$68 7 180 ...

692 ANSWERS 8 ¼ 1 : 24 m 9aV= ³ μ 360 ́ £¼r^2 h bA= ³μ 360 ́ £ 2 ¼r(r+h)+2hr REVIEW SET 11B 1a 0 : 35 g b 0 : 25 t c 16 800g d 0 ...