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Abbie Toy

Feb 20, 2025

What polynomial identity should be used to prove that 252 = (20 5)2?

What polynomial identity should be used to prove that 252 = (20 5)2?
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25² = ( 20 + 5 )² This is the square of a binomial:( a + b )² = a² + 2 a b + b²625 = 20² + 2 · 20 · 5 + 5²625 = 400 + 200 + 25625 = 625 ( correct )... Show More
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step-by-step explanation: a reaction is first order. if the initial reactant concentration is 0.0200 m, and 25.0 days later the concentration is 6.25 x 10-4 m, then its half-life is:... Show More
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he spend 5.1 minutes chatting with his friends.step-by-step explanation: 2/5+1/2=9/106/1-9/10=5.1... Show More
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