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. 12.68 hr
B. 12 hr
C. 3.24 hr
D. 24 hr
Answer: A
Mathematics
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Find the probability of the event.When a single card is drawn from an ordinary 52-card deck, find the probability of getting a jack.
A. 
B. 
C. 
D. 
Mathematics
Solve.x3 - 64 (Hint: Factor the difference of cubes. Then use the quadratic formula.)
A. -4, -2 ± 2i
B. 4, -2 ± 2i
C. -4, -1 ± i
D. 4, -1 ± i
Mathematics
The graph of a quadratic function is given. Determine the function's equation.
A. g(x) = -x2 + 2x + 1 B. f(x) = -x2 - 2x - 1 C. j(x) = -x2 + 1 D. h(x) = -x2 - 1
Mathematics
Solve the problem.Round 1.06465 to the nearest thousandth.
A. 1.064 B. 1.0647 C. 1.066 D. 1.065
Mathematics