Its either (top to bottom) 1 or 4
Answer:
84
2 42
2 21
3 7
Step-by-step explanation:
It has total 12 factors of which 84 is the biggest factor and the prime factors of 84 are 2, 3 and 7. The Prime Factorization of 84 is 2^2 × 3 × 7
A) To lift a similar chair to a height of 80 cm, you would need 32 joules.
b) The amount of energy that would be needed to lift a chair that weighs 2kg to a height of 40 cm would be 8 joules.
Start with 1/5x – 2/3y = 30. Let y = 15: (<span>1/5)x – (2/3)(15) = 30
Then (1/5)x - 10 = 30, and (1/5)x = 40, and so x = 200 (answer)</span>