On his return journey he traveled the same distance at a speed reduced by

On his return journey he traveled the same distance

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On his return journey he traveled the same distance at a speed reduced by 10kn/hr and took 10 minutes more. Fin the value of X. (4 marks) 4
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11. Given that √2 = 1.4142 and √3 = 1.7321 simplify without using tales. (3 marks) 5√2 - 4√3 (to 4 d.p) √6 12. A square plot is fenced on one side using 13 posts placed 3 metres a part. Find the area of the plot in square metres. (2 marks) 13. The numerator of a certain fraction is 3 less than the denominator. If the numerator is tripped and the denominator is increased by 7, the value of the resulting fraction 1s 3 / 2 . What is the original fraction? (3 marks) 5
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14. Onyango observed a hawk exactly overhead at the same time as Kamau observed it at an angle of elevation of 50 0 . If Onyango and Kamau were 25m a part on a level ground, how high was the hawk above the ground given that Kamau’s eye level was 172cm above the ground. (3 marks) 15. A straight line passes through points A(-3,8) and B(3,-4). Find the equation of the straight line through (3,4) and perpendicular to AB. (3 marks) 16. The mean of the numbers m, 8n+1, 17 and 20 is 14. Calculate the value of m and hence find the mode. (3 marks) 6
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SECTION II 17. The measurement of a maize field using the base line AB were recorded as shown below in metres. B 240 to R 60 190 180 75 to Q 150 50 to P to S 100 120 100 100 to N to T 30 50 20 20 too M A (a) By using a suitable scale draw the map of the maize field. (4 marks) (b) Find the area of the field in hectares. (6 marks) 7
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18. Three businessmen Onyango, Abdul and Mwangi decide to buy a bus. The marked price of the bus was sh. 2,800,000.
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  • Fall '18
  • ANYANZWA

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