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Artemon [7]
3 years ago
12

A submarine's position is 600 feet below sea level. It descends 218 feet. What is the submarine's new elevation?

Mathematics
2 answers:
ollegr [7]3 years ago
6 0

Answer with explanation:

If Submarine position is 600 feet below sea level, it can be represented in terms of integers as = - 600

Now , it descends 218 feet ,from where it is presently Located.

Descend in terms of integers can be represented as = - 218 feet

Submarine New position or Elevation = - 600 feet + (-218 feet)

                                            = -818 feet

Option A : -818 feet

den301095 [7]3 years ago
3 0

Answer: A) -818 feet

Step-by-step explanation:

Given : A submarine's position is 600 feet below sea level. It descends 218 feet.

Integers , we use negative (-) signs to represent below and descend .

Thus , in terms of integers

Initial position of submarine 600 feet below sea level= -600 feet

After descends 218 feet, the submarine's new elevation =

-600+(-218) feet

= -600-218 feet     [(+)(-)=(-)]

= -(600+218) feet = -818 feet    [-a-b=-(a+b)]

Hence, the submarine's new elevation = -818 feet

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