The function
gives the number of the original trout alive after x years. When the number of the original trout alive is 300, then

Solve this equation:

Answer: after 4.024 year (or 5 year if round to the whole number of years)
1.5x + 7 = 20.5
First subtract 7 from both sides
1.5x = 13.5
Then divide both sides by 1.5
x = 9
Let me know in comments if you have questions
2y+20=100
2y=80
y=40
The explanation for this would because because the two base angles of an isosceles triangle are equal so since the both equal to 40 degrees, in total would be 80 degrees.
Since the total degrees of a triangle is 180 and you know the base angles make up for 80 percent you subtract that from the total of the angle your trying to find, which is 2y+20.
A. 0.15 Because its making me type twenty characters.
Answer:
40x + 1500>3500 is the correct answer.
Step-by-step explanation: