Answer:
Hence after period of 9 years from 1990 t0 1999 will be 61438 rabbits.
Step-by-step explanation:
Given:
Population for rabbit obeys exponential law.
120 at 1990 and 240 1991 ...after 1 year time period
To Find:
After 9 year time period how many rabbits will be there.
Solution:
Exponential law goes on present value and various value and time period and defined as ,
let Y be present value Y0 previous year value and k exponential constant and t be time period.
So
Y=Y0e^(kt)
Here Y=240 ,Y0=120 t=1 year time period
So
240=120e^(k*1)
240/120=e^k
2=e^k
Now taking log on both side, [natural log]
ln(2)=ln(e^k)
ln(2)=kln(e)
k=ln(2)
k=0.6931
For t=9 year of time period
Y0=120, t=9 ,k=0.6931
Y=Y0e^(k*t)
Y=120*e^(0.6931*9)
=120e^6.2383
=61438.48
=61438 rabbits
To find the solution of a system of equations, you can use the substitution, elimination, or graphing method. However, they gave you the graph.
Therefore, the solution is where the blue and yellow lines meet. For this problem, it is (4,2), so A.
Answer:
The independent variable is m (the number of miles driven), and the dependent variable is "e" (the cost)
Step-by-step explanation:
Notice that the cost "depends" upon the number of miles driven, therefore, the cost (identified with the letter "e") is the dependent variable which depends upon the number of miles driven (and which is the independent variable identified with the letter "m")
Answer:
6/10 = 0.6
Step-by-step explanation:
apples and oranges are different fruits but they are fruit. So, we have 10 fruit in the box
and question wants to pick an orange
formula = all oranges/ all fruits
6/10 = 0.6
hope it helps ^-^
Answer:
Step-by-step explanation:
Use the average speed formula.
56 minutes = 0.933333 hours
