In problem 1-6, find the smallest integer
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- Suppose the coal and steel industries form a closed economy. Every $1 produced by the coal industry requires $0.30 of coal and $0.70 of steel. Every $1 produced by steel requires $0.80 of coal and $0.20 of steel. Find the annual production (output) of coal and steel if the total annual production is $20 million.arrow_forwardIf A and B are matrices with the same dimension and k is a real number, how do you find A+B and kA ?arrow_forward15. Reverse the elementary row operations used in Example 2.9 to show that we can convertarrow_forward
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