A submarine moved from the water surface at a speed of -20 m per minute . How far is the submarine from the water surface at the

Question

A submarine moved from the water surface at a speed of -20 m per minute . How far is the

submarine from the water surface at the end of 7 minutes?

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Ngọc Diệp 2 weeks 2021-09-01T12:17:25+00:00 1 Answers 0 views 0

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    2021-09-01T12:19:10+00:00

    Answer:-140 miles

    Step-by-step explanation:

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )