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☆1 inequalities
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Assignment:Find the solution set of inequality (16175*20.89%+0.5X)/(16175+x) ≤0.2 .
Question type: Inequality
Solution:
The inequality can be reduced to 1 inequality:
( 16175 * 20.89 % + 0.5 * X ) / ( 16175 + X ) ≤0.2 (1)
From the definition field of divisor
16175 + x ≠ 0 (2 )
From inequality(1):
X ≤ -479.858333
From inequality(2):
X ∈ R (R为全体实数),即在实数范围内,不等式恒成立!
From inequalities (1) and (2)
X ≤ -479.858333 (3)
The final solution set is :
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