Subjects algebra

Equation Verification B548F7

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Question: User: $\frac{1}{4} = \frac{4}{0.8} + \sqrt{0.8 + 0.2} - 5 \times 0.3$
1. **State the problem:** We need to verify or simplify the equation $$\frac{1}{4} = \frac{4}{0.8} + \sqrt{0.8 + 0.2} - 5 \times 0.3$$ 2. **Calculate each term on the right side:** - Calculate $$\frac{4}{0.8}$$: $$\frac{4}{0.8} = \frac{4}{\cancel{0.8}} \times \frac{1}{\cancel{0.8}} = 5$$ - Calculate the square root term $$\sqrt{0.8 + 0.2}$$: $$0.8 + 0.2 = 1.0$$ $$\sqrt{1.0} = 1$$ - Calculate $$5 \times 0.3$$: $$5 \times 0.3 = 1.5$$ 3. **Substitute the values back into the right side:** $$5 + 1 - 1.5 = 6 - 1.5 = 4.5$$ 4. **Compare both sides:** Left side is $$\frac{1}{4} = 0.25$$ Right side is $$4.5$$ 5. **Conclusion:** The equation $$\frac{1}{4} = \frac{4}{0.8} + \sqrt{0.8 + 0.2} - 5 \times 0.3$$ is false because $$0.25 \neq 4.5$$.