
The value of x is ~


The Triangle stated in the diagram is a right angled Triangle, so
We begin with 1,000 fish in a lake.
Each year the population declines to 15%
Then they put back 500 fish in the lake.
The equation: (1000 * .85) +500
4x-4+15+180-5x=180
4x+11-5x=0
X=11
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what type of question is this?