The number of fish in a lake decreased by 25% between last year and this year. Last year there were 60 fish in the lake. What is
2 answers:
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Answer:
x = 16.6
Step-by-step explanation:
Since we know the measure of an acute angle (31 degrees) of a right angle triangle, and of the side opposite to the angle (10), and we need to find the measure of the adjacent side "x", we use the tangent function:
which rounded to one decimal is
x = 16.6