Streptococcus bacteria cause the well-known illness, strep throat. This bacteria doubles, or reproduce exponentially every twenty minutes. Logarithmic Application
If a streptococcus bacterium weighs 5.0 x 10-16 pounds, at what time will it weigh 100 pounds? Explain your mathematical reasoning.

5.0 x 10-16 = 0.0000000000000005

Hint: (weight of one)time=total weight

The rate of decay of a radioactive substance depends upon the amount present initially. the mass y (mg) of the radioactive substance cobalt-60 present in a sample at time t (years) is represented by the exponential equation y=50e −0.1315 t . answer the following questions in complete sentences. 1. how does the exponential equation above compare to the equation for simple interest that is compounded continuously? explain the similarities. 2. what is the initial amount of cobalt-60 in the sample? 2. how much cobalt-60 is left after 8.4 years? show your work. 3. what would be the y-intercept of the graph? what does it represent? 4. after how many years will the amount of cobalt-60 left be 6.25 mg? explain what happens to the cobalt-60 after 50 years? 5. discuss some “real-world” examples and uses of cobalt-60

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2

East black horse $0.25 total budget is $555 it'll cost $115 for other supplies about how many flyers do you think we can buy