Mathematics, 25.07.2021 17:10, nickname0097

Một công ty sản xuất một thùng hình trụ tròn không có nắp và có thể tích 8x ft Chi phí sản xuất đáy là 2 USD / ft ?, chi phí sản xuất mặt bên là 4,8 USD / ft . Hỏi chi phí tối ưu nhất để sản xuất cái thằng này là bao nhiêu USD ?,

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Mathematics, 22.06.2019 08:10, stressedmolly632

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Mathematics, 22.06.2019 09:00, Kayteeortiz4593

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Một công ty sản xuất một thùng hình trụ tròn không có nắp và có thể tích 8x ft Chi phí sản xuất đáy...