122k views
0 votes
A submarine at -20 feet

descends 30 feet. What is the
submarine's current location
after the descent?

User Iikkoo
by
8.6k points

2 Answers

2 votes

Answer:

The submarine will be at -50 feet after the descent.

Explanation:

A submarine at -20 feet descends 30 feet. What is the submarine's current location after the descent?

If the starting point is -20 feet and it says that the submarine goes down another 30 feet we can write an equation and solve it.

Descending indicates going down or subtraction.

Let x=the current location after the descent.

-20+(-30)=x

-20-30=x

-50=x

The submarine will be at -50 feet after the descent.

Hope this helps :)

User Clay Compton
by
8.1k points
0 votes
-50 because when you do -20 - (-30) give you -50 and it’s (-30) because descends means down also mean negative
User KaMyLL
by
8.3k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories