Solve the problem.A bacteria colony doubles in 8 hr. How long does it take the colony to triple? Use N = N0 2t/T, where N0 is the initial number of bacteria and T is the time in hours it takes the colony to double. (Round to the nearest hundredth, as necessary.)
A. 12 hr
B. 24 hr
C. 12.68 hr
D. 3.24 hr
Answer: C
Mathematics
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Solve the equation.
- 
= 3
A. {-2} B. {3, 8} C. {2} D. {2, 38}
Mathematics
Find the area of the geometric figure.
A. 40 sq m B. 44 sq m C. 56 sq m D. 96 sq m
Mathematics
Simplify.
A. 4
B. 1
C. 
D. - 1
Mathematics
Solve the problem. Simplify the fraction, if possible.According to a recent study, 10 out of 11 visits to a hospital emergency room were for an injury. What fraction of emergency room visits were injury-related?
A. 
B. 
C. 
D. 10
Mathematics