Answer:
≈ 4,22 m
Step-by-step explanation:
volume = 20000L = 20000 dm^3 = 20 m^3
diameter = 2,4m
the volume of a cilinder is π * r^2 * h (height)
20 = π * 1,2^2 * h
h = ≈ 4,42 m
131x
7x² + 6x + 9x² - 5x
49x + 6x + 81x - 5x
136x - 5x