Solve the problem.In one game, a baseball pitcher throws 50% of his pitches for strikes. If the pitcher throws 40 strikes in the game, then how many pitches did he throw?
A. 80
B. 160
C. 40
D. 64
Answer: A
Mathematics
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Divide. Write with positive exponents.
A. 3x4 + 18x5 B. 3x4 - 9x2 C. -6x7 - 9x2 D. -6x9
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Find all the second order partial derivatives of the given function.f(x, y) = x ln (y - x)
A. 
= 
; 
= - 
; 
= 
= 
B. 
= 
; 
= - 
; 
= 
= 
C. 
= 
; 
= - 
; 
= 
= - 
D. 
= 
; 
= 
; 
= 
= 
Mathematics
Find the solution of the system of equations on the graph. If there is no solution, state this.
A. (-3, 5) B. No solution C. (3, 5) D. (-3, - 5)
Mathematics
Solve graphically.2x - y = 4
A. Infinitely many solutions B. (3, 2) C. (2, 3) D. No solution
Mathematics