A submarine at -28 feet dives 40 feet. what is the submarine's elevation after the dive

Mathematics

1 answer:

Neporo4naja [7]3 years ago

8 0

The submarine is 68 feet below sea level, which is -68

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Craig and Alissa are building a sandcastle on the beach. They each have a bucket. Craig's bucket holds 1/2 pound of sand and Ali

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<h3>Amount of sand craig and Alissa collect together at one time is 1.4 pounds</h3>

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Given that,

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$Craig\ bucket = \frac{1}{2}\ pound\\\\Alissa\ bucket = \frac{9}{10}\ pound$

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$Collect\ together = \frac{1}{2} + \frac{9}{10}\\\\Collect\ together = \frac{1 \times 5}{2 \times 5} + \frac{9}{10}\\\\Collect\ together = \frac{5}{10} + \frac{9}{10}\\\\Collect\ together = \frac{9+5}{10}\\\\Collect\ together = \frac{14}{10} = \frac{7}{5} = 1.4\\\\In\ mixed\ fractions,\\\\Collect\ together = 1\frac{2}{5}$