23-02-2015
Mathematics

Answered

A deep sea diver’s depth is currently 30 m below the surface of the water.

Which expressions represent a change in depth of d meters?

Choose exactly two answers that are correct.

A. -30d

B. -30 - d

C. -30/d

D. -30 + d

Answer :

Аноним Аноним

23-02-2015

the answer is A and D -30+d but you can also get the answer by multiplying like lets say d=2 30+30=60 and 30*2=60.

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