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At 12:00 P.M., the water pressure on a submarine is 435 pounds per square inch.

From 12:00 P.M. to 12:30 P.M., the water pressure increases by 58 pounds per square inch.

From 12:30 P.M. to 1:00 P.M., the water pressure decreases by 116 pounds per square inch.

What is the water pressure at 1:00 P.M.?

A. 261 pounds per square inch
B. 493 pounds per square inch
C. -58 pounds per square inch
D. 609 pounds per square inch

Answer :

Answer:

[tex]\huge\boxed{377 \ pounds / in.^2}[/tex]

Step-by-step explanation:

The initial pressure was 435 pounds / in.²

After that it increases by 58 pounds / in.²

So, it became

=> 435 + 58

=> 493 pounds / in.²

Then, it decreases by 116 pounds/square inch

=> 493 - 116

=> 377 pound / in.²

This is the final pressure.

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Rewritten by : Barada

Answer:

[tex]\Large \boxed{ \mathrm{377 \ pounds \ per \ square \ inch} }[/tex]

Step-by-step explanation:

The initial pressure was 435 pounds per square inch.

From 12:00 PM to 1:00 PM, the initial pressure increases by 58 pounds per square inch and then decreases 116 pounds per square inch.

⇒ 435 + 58 - 116

⇒ 377