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These answers are given merely to help in working through the paper at home. In order to get full marks all working out must be shown.
Questions 1 - 5 | 6 - 10 | 11 - 15 | 16 - 20 | 21
| 6 | 98.8 grams | |||||
| 7 | a) | i) | m−3 | |||
| ii) | h4 | |||||
| b) | i) | 2x2 − x − 6 | ||||
| ii) | 9x2 − 12x + 4 | |||||
| c) | x = 5 or −2 | |||||
| d) |
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| 8 | 4x + 20 = 128° | |||||
| 9 | The pen could be as long as 10.5 cm. The maximum length of the pen case is 10.15 cm. | |||||
| 10 |
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