urgent!! please help!!!

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    How to calculate the volume of a frustrum of a right circular cone with a bore radius

    I have to figure out this problem. Please give calculations with a formula to solve it. Thanks If the overall length (L) is 46 cm radius 1 (R1) is 5.3 cm radius 2 (R2) is 2.8 cm and radius 3(R3) is 7.7 cm What is the Volume?
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    Dutch Book Theorem problem with probability and Von Neumann Morgenstern axiom

    Suppose Ann assigns the following probabilities: P(A) = 0.25P(B) = 0.25P(A ∪ B) = 0.5P(A ∩ B) = 0.1 Construct a Dutch book against Ann. Show that no matter what happens Ann willlose money. Consider Julie who is very afraid of taking gambles. Julie uses minimax to comparetwo...