Page 180 - Mathematics_F1

3.
x < 5
3

11 3
x
FOR ONLINE READING ONLY
5. − <≤
4 4 Tanzania Institute of Education
19 7 20 17 718
7 (a) (b) − (c) − (d) (e)
8 12 33 2 175
269 50 235 4
(f) (g) (h) (i)
22 163 67 15




9. (a) 0.5 (b) 1.27 (c) 4.83 (d) 0.074 (e) 0.416
 


(f) 0.45 (g) 1.21 (h) 0.148 (i) 0.46 (j) 0.076923
90
11. Rational numbers are 0.75, , 12. Irrational numbers are
1 12007
7 and .
2
13. 5 ≤≤ where x is a rational number.
6
x
211 21284 17
15. (a) (b) (c)
90 999 99
17. 31 tomatoes 19. Tshs 3,787,600 21. 2692.3 min or 44.9 hrs
23. (a)

(b)

(c)

Mathematics Form One

(d)



25. (a) 0.22 (b) 0.01 (c) 0.65 (d) 2

173

Mathematics form 1.indd 173
25/09/2025 15:02:08
Mathematics form 1.indd 173 25/09/2025 15:02:08