The difference in elevation of a helicopter and a submarine is #18 1/2# meters. The elevation of the submarine is #-7 3/4# meters. What is the elevation of the helicopter?

1 Answer
EZ as pi
Mar 13, 2018

The elevation of the helicopter is #+ 10 3/4# metres

Explanation:

The negative elevation of the submarine means is at a depth of #7 3/4# metres below the surface of the water.

The helicopter is #18 1/2 metres# above it.

#18 1/2- 7 3/4 = 10 3/4#

the helicopter is flying at a height of #10 3/4# above the water,

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