Answer:
Step-by-step explanation:
volume of cylinder = πr²h = π(5²)(16) ≅ 1256 cm³
volume of cone = ⅓πr²h = ⅓π(3²)12 ≅ 113.04 cm³
volume of air space = 1256 - 113.04 = 1143.96 cm³
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The answer is The number 4
Answer:
(11b^2 + 7) (11b^2 - 7)
Explanation:
Since both terms are perfect squares, factor using the difference of squares formula, a^2 - b^2 = (a + b) (a - b) where a = 121b^4 and b = 49
