Answer:
Yes
IT WILL TAKE 8 YEARS.
Step-by-step explanation:
Bear starting population = 100
Bear population rate = 4 per year
Snake starting population = 1
Snake population rate = doubles every year
Bear population model:
y = 4x+100
Where y = new bear population
x = number of years after year 2000
Snake population model :
y = 2^x
Where y = new snake population
x = number of years after year 2000
THE POPULATION OF SNAKES WILL CATCH UP WITH THAT OF BEARS BECAUSE AFTER 7 YEARS THE POPULATION WILL BE EVEN.
After 7 years :
Bear population :
y = 4x + 100
y = 4(7) + 100 = 128
y = 128
Snake population :
y = 2^x
y = 2^7
y = 128
Using random guess in the both models :
After 8 years :
Bear population :
y = 4x + 100
y = 4(8) + 100 = 132
y = 132
Snake population :
y = 2^x
y = 2^8
y = 256
Answer:
x = <u>19</u>
x - 17 = 2
2 + 17 = <u>19</u>
<em>Hope this helps!</em>
Answer: X = 20
Step-by-step explanation:
7x - 99 = 2x + 1 --Take 2x from both sides
-2x -2x
5x - 99 = 1 -- add 99 to both
+99 +99
5x = 100 --Divide by 5
÷5 ÷5
x = 20
