Page 179 - Mathematics
P. 179

3.
                              x <  5
                                 3





                    11       3
               5.   −  <≤                                                                        Tanzania Institute of Education
                         x
                     4       4
                      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)    0.2
                                                 173




                                                                                        25/10/2024   09:52:15
   Mathematics form 1.indd   173
   Mathematics form 1.indd   173                                                        25/10/2024   09:52:15
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