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OpenStudy (ineedhelponhw):
Alfred works for a company that makes metal parts for airplanes. He needs to throw out any part that is not accurate to within 0.09 of an inch on a 7-inch long piece. Which inequality would give Alfred the lengths, b, of the parts he should keep? 0.09 > b - 7 -0.09 < b - 7 < 0.09 0.09 < b - 7 b - 7 > 0.09 > b + 7 My Answer: C
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