hsab9say hsab9say

13-10-2017
Mathematics

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a submarine has an elevation of -35 meters compared to sea level.It then makes 3 equal descents of 145 meters each.Is the final depth of the submarine greater than 500 meters.Explain how you solved the problem.

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thuylan051805 thuylan051805

13-10-2017

No, the decent isn't greater than 500 m because -145*3+-35 = -470 which is less than 500.

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