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Math question with equations?

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I need to find the positive root of this equation: y^2 - 0.04=0.12

equation

asked May 3, 2013 in ALGEBRA 1 by linda Scholar

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1 Answer

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y² - 0.04 = 0.12

Add 0.04 to each side

y² = 0.12 + 0.04

y² = 0.16

Take square root to each side

y = ± 0.4

The positive root of this equation y = 0.4

answered May 3, 2013 by diane Scholar

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