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Mathematics, 11.11.2021 14:00 heebi4jeebi

A steel pipe, length 1. 2 has an external diameter of 30. The thickness of the steel is 2. The pipe has to be painted inside and outside at a cost of $ 12 per 2. Calculate the cost to paint the pipe.

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A steel pipe, length 1. 2 has an external diameter of 30. The thickness of the steel is 2. The pipe...
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