Answer:
218.93 km
Explanation:
= Angle between the paths of the two boats = 54.10°
Distance = Speed × Time
Distance traveled by one boat = 
Distance traveled by other boat = 
From the triangle law of vectors we have

The distance they will be apart after 3 hours is 218.93 km

Explanation
the density of an object is given by:

Step 1
find the volume of the bar
a)find the volume of the rectangular bar.
the volume of a rectangular prism is given by:

replace

Step 2
now,
Let

replace in the formula

therefore, the answer is

I hope this helps you
The answer should be c....
Explanation:
Journey Through the Solar System was a 13-episode documentary series produced by NASA's Lewis Research Center in 1983. Each half-hour episode contained the entirety or clips of older NASA films with framing host footage with Larry Ross, Director of Space Science at Lewis.