Higher June 2019 Paper 2 Q8
8 Change a speed of \(x\) kilometres per hour into a speed in metres per second.
Simplify your answer.
(3)
| Scheme | Marks |
|---|---|
| (\(x\)) × 1000 or (\(x\)) ÷ 60 or (\(x\)) ÷ 60 ÷ 60 or (\(x\)) × 1000 ÷ 60 oe | M1 |
| \(x \times \dfrac{1000}{60 \times 60}\) oe | M1 |
| \(\dfrac{5}{18}x\) | A1 |
| (3) | |
| (3 marks) |
Notes
M1: for at least one of × 1000 or ÷ 60 or \(\dfrac{5}{18}\) oe
M1: (dep) for a complete correct method
A1: accept \(0.2\dot{7}x\) or \(0.2\bar{7}x\) or \(\dfrac{x}{3.6}\) or \(\dfrac{1}{3.6}x\)