Find the new average speed at which the car traveled in order to reach Nairobi

# Find the new average speed at which the car traveled

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Immediately the car caught up with the bus, the car stopped for 25 minutes. Find the new average speed at which the car traveled in order to reach Nairobi at the same time as the bus. (4 marks) 10

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21. A cylindrical can has a hemispherical cap. The cylinder and the hemisphere are of radius 3.5cm. The cylindrical part is 20cm tall. Take ∏ to be 22 / 7 calculate: (a) The area of the circular base. (2 marks) (b) The area of the curved cylindrical surface. (2 marks) (c) The area of the curved hemispherical surface. (2 marks) (d) The total surface area. (2 marks) 11
22. (a) Using the graph paper, pot triangle PQR with vertices P(2,3) Q(1,2) and R (4,1). Also plot triangle P 11 Q 11 R 11 with vertices P 11 (-2,3), Q 11 (-1,2) and R 11 (-4,1) on the same grid. (2 marks) (b) Describe fully a single transformation which maps triangle PQR onto triangle P 11 Q 11 R 11 . (2 marks) (c) On the same grid, plot triangle P 1 Q 1 R 1 , the image of triangle PQR under reflection in the line y = -x. (2 marks) (d) Describe fully a single transformation which maps triangle P 1 Q 1 R 1 onto triangle P 11 Q 11 R 11 . (2 marks) (e) Draw triangle P 111 Q 111 R 111 such that it can be mapped onto triangle PQR by a positive quarter turn about (0,0). State its co-ordinates. (2 marks) 12
• Fall '18
• ANYANZWA

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