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Prelim Revision

Prelim Revision. 1. 15% of 140 2. ¾ of 192 3. -6 X 8 Write in Scientific Notation 4. 12 000 5. 0.00067. 14 9 18 6 2 12 6. Range? 7. Median? 8. Factorise 8t – 12 9. Solve 4 + 3t = 31. 10. Train travelling at 100mph for a journey of 275 miles. How long will it take?.

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Prelim Revision

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  1. Prelim Revision

  2. 1. 15% of 140 2. ¾ of 192 3. -6 X 8 Write in Scientific Notation 4. 12 000 5. 0.00067

  3. 14 9 18 6 2 12 6. Range? 7. Median? 8. Factorise 8t – 12 9. Solve 4 + 3t = 31

  4. 10. Train travelling at 100mph for a journey of 275 miles. How long will it take?

  5. 11. 13cm 5 cm ?

  6. 12. 10cm x 300

  7. 13. Area? 10 cm 8 cm

  8. 1. 15% of 140 21 2. ¾ of 192 144 3. -6 X 8 -48 Write in Scientific Notation 4. 12 000 1.2 X 104 5. 0.00067 6.7 X 10-4

  9. 14 9 18 6 2 12 6. Range? 16 7. Median? 10½ 8. Factorise 8t – 12 4(2t – 3) 9. Solve 4 + 3t = 31 t = 9

  10. 10. Train travelling at 100mph for a journey of 275 miles. How long will it take? t = 275/100 = 2.75 hours = 2hours 45mins

  11. 11. 13cm 5 cm 5 cm x ? x2 = 132 - 52 x = 12cm ? = 24 cm

  12. H 12. 10cm x O 300 A sin 300 = x/10 x = 10 X sin300 x = 5cm

  13. 13. Area Rect = 10 X 8 = 80cm2 Area? Area of circle = π X 42 = 50.3cm2 10 cm Area of Semi Circle = 25.15 8 cm Total Area = 105.15

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