9514 1404 393
Answer:
43.2 grams
Step-by-step explanation:
The exponential equation for the decay can be written as ...
amount remaining = (initial amount)(1 -decay rate)^t
= 570(1 -0.18)^t
We want to find the amount remaining after 13 minutes. Evaluating this equation for t=13, we have ...
amount remaining = 570(0.82^13) ≈ 43.2 . . . grams
Answer:
32
Step-by-step explanation:
32 X 2 = 64. 64 - 9 = 55.
Answer:
Step-by-step explanation:
Multiply both sides by 3
Move variable to the right
Divide both sides by 2
Answer:
C. 141 degrees
the sum of all angles is 360
390 - 90 - 53 - 76 = 141
Step-by-step explanation:
Answer:
6,000
Step-by-step explanation: