Solve the problem.A bacteria colony doubles in 5 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. 7.5 hr
B. 15 hr
C. 7.92 hr
D. 2.03 hr
Answer: C
You might also like to view...
Solve. Write the answer as a mixed number as needed.Amy decided to bake bread and a cake. For the bread she needed 3
cups of flour. For the cake she needed 1
cups of flour. She had only 3
cups of flour. How much more flour did she need?
A.
1 cups |
B.
2 cups |
C.
1 cups |
D.
1 cups |
Solve the problem.The total sales in dollars of some small businesses fluctuates according to the equation 
where x is the time in months, with 
corresponding to January, 
and 
Determine the month with the greatest total sales and give the sales in that month.
A. December; $10,100 B. March; $10,100 C. June; $7100 D. September; $4100
Graph the function and its inverse using the same set of axes. Use any method.f(x) = 4x; f-1(x) = log4 x
A. 
B. 
C. 
D. 
At one high school, students can run the 100-yard dash in an average of 15.2 seconds with a standard deviation of .9 seconds. The times are very closely approximated by a normal curve. Find the percent of times that are indicated. Round to the nearest whole percent.Between 16.1 and 17 seconds
A. 34% B. 12% C. 27% D. 14%