Mathematics, 22.09.2021 06:40, SkinnestXOXO

To find a baseball pitcher's earned run average (ERA), you can use the formula Ei = 9r, in which E represents ERA, i represents the number of innings pitched, and r represents the number of earned runs
allowed. Solve the equation for E. What is a pitcher's ERA if he allows 31 earned runs in 36 innings
pitched? If necessary, round your answer to the nearest hundredth.

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To find a baseball pitcher's earned run average (ERA), you can use the formula Ei = 9r, in which E...