Answer:
-13
Step-by-step explanation:
Answer:

Step-by-step explanation:
Given


Required
The probability model
To do this, we simply calculate the probability of each container.
So, we have:





So, the probability model is:

7 cars full and 5 people on the next car
Answer:

We divide both sides by 100000 and we got:

Now we can apply natural logs on both sides;

And then the value of t would be:

And rounded to the nearest tenth would be 9.2 years.
Step-by-step explanation:
For this case since we know that the interest is compounded continuously, then we can use the following formula:

Where A is the future value, P the present value , r the rate of interest in fraction and t the number of years.
For this case we know that P = 100000 and r =0.12 we want to triplicate this amount and that means
and we want to find the value for t.

We divide both sides by 100000 and we got:

Now we can apply natural logs on both sides;

And then the value of t would be:

And rounded to the nearest tenth would be 9.2 years.
When you move down you subtract and when you move to the right you subtract when your moving up or to the left you add