Answer:
1: x > -5
2: n > 4
3: x > -2
Step-by-step explanation:
Answer:
150
Step-by-step explanation:
Rate at which volume decrease:
(1 × 2 × 20/100) ÷ 30
= 1/75 m³/min
Total volume:
½ × (1.4 + 0.6) × 2 × 1
= 2 m³
Time = 2 ÷ 1/75
= 150 mins
Answer:
(2,-5)
Step-by-step explanation: