It is known that the quantity of steel produced in tonnes
If 16 tonnes or iron ore produces 10 tonnes of steel, calculate the tonnes of iron ore required to produce 48 tonnes of steel. (3 marks)
--- 6 WORK AREA LINES (style=lined) ---
Rates of Change, SMB-002
It is known that at a constant speed, the distance travelled in kilometres
- If
when , calculate the constant of variation . (2 marks)
--- 4 WORK AREA LINES (style=lined) ---
- In the context of this question, what does the value of
represent? (1 mark)
--- 2 WORK AREA LINES (style=lined) ---
Algebra, STD2 A2 2014 HSC 26f
The weight of an object on the moon varies directly with its weight on Earth. An astronaut who weighs 84 kg on Earth weighs only 14 kg on the moon.
A lunar landing craft weighs 2449 kg when on the moon. Calculate the weight of this landing craft when on Earth. (2 marks)
--- 4 WORK AREA LINES (style=lined) ---