Solve.In baseball, a player's batting average is the total number of hits divided by the total number of times at bat. A baseball player has 10 hits after 38 times at bat. How many additional consecutive times must the batter hit the ball to achieve a batting average of .440?

A. 14
B. 22
C. 17
D. 12


Answer: D

Mathematics

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Sketch a graph of a function f that has the given properties.(a) Defined for all real numbers(b) Increasing for -3 < x < 3(c) Decreasing for -? < x < -3 and 3 < x < ?(d) Concave downward for 0 < x < ?(e) Concave upward for -? < x < 0(f) f'(-3) = f'(3) = 0(g) Inflection point at (0, 0)

What will be an ideal response?

Mathematics

Solve the problem.Let A = {x?x is a natural number divisible by 3 and x < 100 }, and let B = {x?x is a natural number divisible by 13 and x < 100 }. Find n(A ? B).

A. 38 B. 2 C. 40 D. 42

Mathematics

Find the midpoint of the line segment joining the pair of points.(-1, -9) and (4, 4)

A.
B. (3, -5)
C. (-5, -13)
D.

Mathematics

For the given functions f and g, find the requested function and state its domain.f(x) = ; g(x) = 2x - 9Find .

A. (x) = ; {x|x ? 0}
B. (x) = ; {x|x ? 0}
C. (x) = ;  
D. (x) = ;  

Mathematics