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2 answers:
Answer: Thus, Fourth option is correct.
Step-by-step explanation:
Since we have given that
Length of pile of wood = 18 ft
Width of pile of wood = 24 ft
Let the height of pile of wood be 'h' ft.
According to question,
Using the equation, the number of cords is given by
Hence, the number of cords would be 432h128.
Thus, Fourth option is correct.
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Answer:
11.1 years
Step-by-step explanation:
The formula for interest compounding continuously is:
Where A(t) is the amount after the compounding, P is the initial deposit, r is the interest rate in decimal form, and t is the time in years. Filling in what we have looks like this:
We will simplify this first a bit by dividing 2000 by 1150 to get
To get that t out the exponential position it is currently in we have to take the natural log of both sides. Since a natural log has a base of e, taking the natual log of e cancels both of them out. They "undo" each other, for lack of a better way to explain it. That leaves us with
ln(1.739130435)=.05t
Taking the natural log of that decimal on our calculator gives us
.5533852383=.05t
Now divide both sides by .05 to get t = 11.06770477 which rounds to 11.1 years.