Write down its equation in the form ax by c 4 marks 13 A surveyor finds that

Write down its equation in the form ax by c 4 marks

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Write down its equation in the form ax + by = c. (4 marks) 13. A surveyor finds that she needs 28 beacons placed 40 m apart when she surveys a length of road. If she were to place the beacons 30m apart, how many would she need? (2 marks) 14. A test tube is made up of a hemispherical bottom and a cylindrical stem, both of internal radius 0.7 cm. Calculate the capacity of the test tube, given that its height is 12cm. (4 marks) 5
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15. Last year, Nafula was four times as old as her son, Wekesa. In four years time, the sum of their ages will be 53. Determine their present ages. (4 marks) 16. The cross section of a house is in the shape of a pentagon, as shown in fig. MEPS 1.2. Determine the area of the cross-section. (4 marks) 6
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SECTION II (50 MARKS) Answer any six questions in this section. 17. (a) In fig MEPS1.3, O is the center of a circle whose radius is 6cm and PQ is 9cm. Calculate the area of the major segment. (7 marks) (b) Find the area of a triangle ABC with sides 7cm, 9cm and 11cm long. (3 marks) 7
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18. The heights of tree seedlings in a nursery were measured and recorded as in Table MEPS1.2Height xcm0<x <55 <x < 1515 <x 2525 <x <4545 <x < 75No. of seedlings746716411 a) Estimate the mean height.(5 marks)b)Using a scale of 1cm to represent 5 units along the horizontal axis, and a scale of 2cm to represent 5 units along the vertical axis, draw a histogram to represent the distribution.(5 marks) 8
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19. Atieno and Muthoni invested in a commuter taxi (i.e matatu) business, buying a minibus whose carrying capacity was 26 passengers, the minibus on a route connecting two towns, A B, where the fare was sh.120 one way. Every day, the minibus made three round trips between the two towns. On each day, fuel consumption was sh.2 500, and the driver and conductor were paid sh.450 and sh.250 respectively. A further sh.3 500 was set aside, daily , for maintenance, insurance and loan repayment.
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  • Fall '18
  • ANYANZWA

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