Solve the problem.The function A = A0e-0.00693x models the amount in pounds of a particular radioactive material stored in a concrete vault, where x is the number of years since the material was put into the vault. If 800 pounds of the material are placed in the vault, how much time will need to pass for only 492 pounds to remain?
A. 75 years
B. 80 years
C. 140 years
D. 70 years
Answer: D
You might also like to view...
Perform the operation and write the result in standard form. ? 7z - [6z - (7z + 3)] ?
A. z + 3 B. 7z - 3 C. 8z - 3 D. 8z + 3 E. 6z - 3
Make an amortization table to show the first two payments for the given mortgage.
What will be an ideal response?
Solve the problem.This chart shows the number of meals served in a restaurant during each of the past 4 months. Assume that the information in the chart defines a function with the name g. State the domain of g.
A. {(3500, January), (3557, February), (3541, March), (3562, April)} B. {January, February, March, April} C. {(January, 3500), (February, 3557), (March, 3541), (April, 3562)} D. {(3500, 3557, 3541, 3562)}
Solve the problem.It is your goal to have 
in savings, and your opening balance is 
. How much more money do you need to reach your goal?
A. $5782 B. $5000 C. -$3620 D. $3620