Respuesta :
The depth of the submarine would be -195 meters or 195 meters below sea level.
Answer: The new depth of submarines would be -195 meters, i.e. 195 meters below the sea level.
Step-by-step explanation:
Since we have given that
Depth of submarine = 250 meters below sea level. = (-) 250 meters
Rises by = 75 meters = (+) 75 meters
Dives by = 20 meters = (-) 20 meters
So, the new depth would be
[tex]-250+75-20\\\\=-195\ meters[/tex]
Hence, the new depth of submarines would be -195 meters, i.e. 195 meters below the sea level.
