Mathematics, 06.05.2020 02:21, tylerkitchen44

With t in years since the start of 2014, copper has been mined worldwide at a rate of 17.9e0.025t million tons per year. At the start of 2014, the world's known copper reserves were 690 million tons.1 (a) Write a differential equation for C, the total quantity of copper mined in t years since the start of 2014. dCdt

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With t in years since the start of 2014, copper has been mined worldwide at a rate of 17.9e0.025t mi...