Simplify completely the quantity 3 times x to the 4th power plus 5 times x to the 2nd power plus 2 times x all over x.
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Answer:
≈ 3927 litres
Step-by-step explanation:
The volume (V) of a cylinder is calculated as
V = Ah ( A is the area of the base and h the height )
Note that h of oil = 250 ÷ 2 = 125 cm ( since half full )
V = πr²h
= π × 100² × 125 = 1250000π cm³ ( divide by 1000 )
= = 1250π litres ≈ 3927 litres ( to the nearest litre )