Starting at sea level, a submarine descended at a constant rate to a depth of − 4/5 mile relative to sea level in 3 minutes. what was the submarine's depth relative to sea level after the first minute?

Step-by-step explanation:

Starting at sea level, a submarine descended at a constant rate to a depth of −4/5 mile relative to sea level in 3 minutes.

Total time = 3 minutes

" alt="\texttt{Total depth descended in 3 minutes = }-\frac{4}{5}miles" />" />

We need to find what was the submarine's depth relative to sea level after the first minute,

$9.41

step-by-step explanation:

a.

step-by-step explanation:

step 1 distribute 2 to every term in the parentheses

step 2 add 10 on both sides of the equal sign