If a baseball pitcher has pitched innings and has allowed 15 runs, find his ERA. [Remember the ERA (Earned Run Average) equals the number of earned runs allowed in 9 innings.]

What will be an ideal response?


4.26

Mathematics

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Translate the English sentence into a mathematical sentence and solve, if necessary. Use x as the variable.The height of a member of the basketball team is at least 81 inches.

A. x > 81  B. x < 81   C. x ? 81   D. x ? 81

Mathematics

Solve the problem.The U. S. Census Bureau compiles data on population. The population (in thousands) of a southern city can be approximated by P(x) = 0.08x2 - 13.08x + 927, where x corresponds to the years after 1950. In what calendar year was the population about 804,200?

A. 2000 B. 1960 C. 1955 D. 1965

Mathematics

Insert <, >, or = between the pair of numbers to make a true statement.-7 _____ -(-31)

A. > B. < C. =

Mathematics

Solve the problem.Chris and Mary are selling tickets at their class play. Chris is selling student tickets for $4.00 each, and Mary selling adult tickets for $6.50 each. If their total income for 17 tickets was $80.50, how many tickets did Chris sell?

A. 10 tickets B. 14 tickets C. 12 tickets D. 5 tickets

Mathematics