cmena2003
Answered

To find a baseball pitcher's earned average (ERA), you can use the formula Ei=9r where 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 the pitchers ERA if he allows 5 earned runs in 18 innings pitched

Answer :

texaschic101
Ei = 9r......E = (9r)/ i
i = 18
r = 5

now we sub
E = (9 * 5) / 18
E = 45/18
E = 2.5......the pitchers ERA is 2.5

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