Michael exchanged 1000 US dollars for the Croatian currency, which is called the Kuna.The exchange rate was 5.81 Kuna to 1 dolla
2 answers:
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Answer: C. 12,720
Step-by-step explanation:
In Logistic growth, the change in population is given by :
...(*)
, where P= Initial population , t= time , r= intrinsic rate and =Change in population and C = Carrying capacity.
As per given , we have
P=12,000
r=0.15
C=20,000
t=1 year
Substitute all values in (*) , we get
Now, Total population of snails after a year =
Hence, the correct answer is C. 12,720 .
We have been given that various circular targets are used by archery students. Daryl is using a target with an area of 36π square inches. We are asked to find the circumference of the target.
To find the circumference of the target, we will use area of circle and circumference of circle formulas.
We know that area of circle is and circumference of circle is
, where r represents radius of circle in both formulas.
First of all, we will equate area formula with given area of target and solve for r as:
Now we will take positive square root as:
Therefore, radius of circle is 6.
Now we will substitute in circumference of circle formula.
Therefore, the circumference of target is .