Dericktopsom
25.01.2020 •
Mathematics
Express the sin4x + sin2x as product of two trigonometrical ratios.
(a) 2sin3xcos2x (b) 2sin3xcosx (c) 2sin2xcos2x (d) sin3xcosx
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Ответ:
Calculate the volume of the empty cone.
V₁ = (1/3)π*(6 in)²*(10 in) = 120π in³
Calculate the volume of the sphere.
V₂ = (4/3)π*(1.5 in)³ = 4.5π in³
The volume that can be filled with flavored ice is
V = V₁ - V₂ = 115.5π in³ = 362.85 in³
Th volume is 115.5π in³ or 362.9 in³ (nearest tenth)