Leabhar Iomlán - Cogg

9. (a, b, c) (2, 5, 6)10. 32 00011. 17 mbliana, 15 bliana12. y 1_2 x 413. N 1 88, N 2 2214. a 1, b 115. c 4_ 4_5 516. 25 lítear17. x 15, y 1118. a 0.5, u 1.519. (4, 26), (8, 13)20. (a, b, c) (3, 2, 1)21. (i) (x, y, z) (3, 4, 1)(ii) (x, y, z) (6, 4, 3)22. (a, b, c) (2, 2, 1)Súil Siar (Croícheisteanna)1. (i) ______ 13m 6 n 7 (ii) ______ 3x 1(iii) ______ 15 4x 2x 82. (i) (x, y) (2, 2)(ii) (x, y) ( 6_ 5 5), (2, 3)3. x 2 2x 14. 3x 3 6x 2 3x 335. (i) (0, 3, 3) (ii)1_2 , 26. 57. (i) a 11, b 6 (ii) a 2, b 38. (x 3)(x 2 3x 9)9. ( p, q, r) (2, 3, 13)10. (x, y, z) (2, 1, 4)11. 6b 2 212. (i) 3n 2 (ii) 5n 2 (iii) __ n 2213. n 2 3n 2; 10 30214. l 21 cm, w 15 cm15. (i) r 2uv _____u v(ii) m v __uSúil Siar (Ardcheisteanna)1. ________ n(n 1); 122522. 0.5 m 33. (i) x y 8.4, 0.6x 0.4y 0.5(x y)(ii) 4.2 kg4. Cruthúnas5. 1_26. (i) 7.5 l (ii) 2.5 l7. (i) a 0.28; b 0.3 (ii)__ 103 m\sSúil Siar (Ceisteanna ina n-iarrtarfreagra níos faide)1. (a) (i) 436 (ii) 112 (iii) 0.7956(b) 58 3582. (ii) x 1.5y 26(iii) 14 tholg bhunúsacha, 8 dtolg deluxe3. (i) h 40 ___x 2(iii)S15001000500O(ii) Cruthúnas10 20(iv) x 4, h 2.5 cm nó x 2.9, h 4.76 cm4. (i) C(x) 3500 10.5x(ii) I(x) 0.5x(iii)I/C4000300020001000O(iv) 3500(v) Brabús(vi) 5500 cluiche5. (a) 110.40(b) 12 chearnóg ghorma,84 cearnóg bhán6. (i) C 40x 30 000(ii) 45(iii) 5000(iv) R 80x(v) R/C300200100O1000 2000 3000 40001000 2000 3000(vi) 751(vii) P 40x 30 000x126xxR 80x28C 80x 3000281