Leabhar Iomlán - Cogg

13. x 0, 3 14. x 115. x 1, 3Cleachtadh 7.81. (i) B (ii) A (iii) D (iv) C2. (i) 1000 ha(ii) (a) 4000 ha (b) 5278 ha(iii) A(ha)8000600040002000O 2 4 6 8 10 12Seachtainí(iv) 5 seachtaine3. (i) ag laghdú (ii) ag laghdú(iii) ag méadú (iv) ag laghdú4. (i) 0.6 (ii) 3 (iii) 8 (iv) 65. (iv) 2 x 0 (v) 0 x 4(vi) x 0 (vii) 0 x 46. (i) Meath(ii) (a) 3 lá(b) 9 lá(c) 18 lá(iii) 3.9°C7. (a) (i) 97.6% (ii) 94.2%(b) 5780 bliain(c) 1964 bliain8. (i) 1000 ha9. (i) R(t)14040O 2 4 6 8 10Nóiméid(ii) 140 buille in aghaidh an nóiméid(iii) (a) 55 nóiméad(b) 10.5 nóiméad(iv) 50 buille in aghaidh an nóiméid10. 100011. (i) 5027.5 (ii) 5055.15(iii) 5082.95(iv) 5000 (1.0055) t12. (i) 40(ii) b 1.2; b 1 tá líon na gcuileogag méadúCleachtadh 7.91. (i) 2 (ii) 4 (iii) 3 (iv) 62. (i)4_3 (ii) 3_2 (iii) 5_4(iv) 3(v) 43. (i) 3 (ii) 4 (iii) 64 (iv) 84. (i)1_2 (ii) 3_2 (iii) √ __2 (iv) 15. (i) 3 (ii) 2 (iii) 26. (i) 0 (ii) 27. (i) a 1 (ii) a 1 (iii) 2a 1(iv) 2a 3 (v) 2a 18. (i) 7.64 (ii) 3.86 (iii) 1.93(iv) 0.2799.log(y 3)(i) x 1 __________log 2(ii) x 3.321910. Cruthúnas11. Cruthúnas12. (i) 13 (ii) 10 (iii) 313. Cruthúnas14. (i) 0.602 (ii) 1.43 (iii) 2.55(iv) 3.75 (v) 4.46 (vi) 5.54(vii) 6.5915. Íosluach 10 3 1000Uasluach 10 4 1000016. 0.14317. (i)4_3 (ii) 3_518. Cruthúnas 19. Cruthúnas20. p 2q 3 21. a √ __322. 5.66 23. x 424. x 4_325. x 2126. x 3 27. x 2_3 , 528. x 2, 6 29. x 1_830. x 3, y 2, nó x 2_ 531. (i) x 1 , 2 (ii) x 1_4 , 216Cleachtadh 7.103. (i) x1_91_3 1 3 9y log 3 x 2 1 0 1 2(iii) 0.8 (iv) 0.8344. Is ionann graf amháin agus inbhéarta an ghraif eile5. Graf6. Graf7.log(y 5)(i) x __________ 2 nó loglog 33 (y 5) 2(ii) 1.2368. Graf9. Graf10. GrafCleachtadh 7.111. (i) (a) 5030 (b) 5060.18 (c) 5090.54(ii) 5000 (1.006) t(iii) 116 mí2. 0.253. (ii) 8.8 nóiméad (iii) 15°4. (i) 0.1 Wm 2 agus 0.01 Wm 2(ii) 130 dB297