Determine an estimate of the exact answer. Use estimation by rounding.Johnston Community Hospital estimates that 31.5% of all operations in hospitals are hip replacements. If 7,840,662 operations were performed last year, estimate the number of hip replacement operations. (Round the percent to the nearest one and the number of operations to the nearest million)
A. 2,560,000
B. 2,469,808.53
C. 2,509,011.84
D. 246,980,853
Answer: A
Mathematics
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Provide an appropriate response.
If C(x) = 7x + 1,000 and A(x) = 
, then if x = 200, A(x) =
A. 12 B. 10 C. 11 D. 13
Mathematics
Use the symbolic definition of absolute value to simplify the expression.
A. 3 B. 0 C. -3 D. None of the above
Mathematics
Solve the equation.5(2x - 1) = 20
A. 
B. 
C. 
D. 
Mathematics
Simplify.-13 - 0 - 7 - (-6) + 4
A. -10 B. -22 C. -8 D. -16
Mathematics