6 A bus left Kampala on Wednesday evening and traveled to Nairobi according to

6 a bus left kampala on wednesday evening and

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6) A bus left Kampala on Wednesday evening and traveled to Nairobi according to the travel timetable below arriving there on Thursday evening. Kampala Departure 2015 Hrs Malaba Arr. 0430 Hrs Dep. 0655 Hrs Nakuru Arr. 1325 Hrs Dep. 1455 Hrs Nairobi Arr. 1840 Hrs. Dep. 2030 Hrs Calculate: a) The time taken by the bus to travel from Kampala to Malaba. (1 mark) b) The stoppage time at Malaba. (1 mark) 3
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c) The total traveling time between Kampala and Nakuru. (1 mark) 7) A rectangular sheet which measures 1.2m long and 80cm wide is 1.5mm thick and is made of a material whose density is 2.2 g/cm 3 . From each of the four corners of the rectangle, a square of side 10cm is cut off and the remaining part folded to form an open cuboid. Calculate to the nearest whole number the mass of the empty cuboid in kg. (3 marks) 8) The sum of the interior angles of an n-sided polygon is 720 0 . Find the value of n and hence deduce the name of the polygon. (3 marks) 4
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9) ABCD is a square in which AB = (4x – 9) and BC = (2x + 3) cm. Find the value of x and hence calculate the area of the square. (3 marks) 10) The ratio of the height of a triangle to its base is 2 : 3. If the height is increased by 10% while the base is decreased by 30%, find the percentage change in its area and state whether it’s a decrease or an increase. (3 marks) 11) Two lines l 1 and l 2 are described by the equations y = 2x – 1 and 2y + x + 7 = 0 respectively. If l 1 and l 2 meet at point A, determine the co-ordinates of A. (4 marks) 5
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12) Calculate the unknown angles marked by letters x, y and z in the figure below.
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  • Fall '18
  • ANYANZWA

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