Saturday

December 20, 2014

December 20, 2014

Posted by **Bethany** on Tuesday, March 18, 2014 at 2:26am.

*note: this is a trigonometry question using the cosine law.

Thanks!

- Math -
**Damon**, Tuesday, March 18, 2014 at 3:39am275 - 225 = 50 degrees difference in heading

In two hours

Ship A went 16 * 2 = 32

Sbip B went 20 * 2 = 40

c^2 = a^2 + b^2 - 2 a b cos C

c^2 = (32)^2 + (40)^2 -2(32)(40)cos 50

c^2 = 1024 + 1600 - 1646.5

c^2 = 978.4

c = 31.3

For pert B, similar triangle, double time, double distance

= 62.6

**Answer this Question**

**Related Questions**

math - 2 boats left the harbour at the same time. One travelled at 10km/h on a ...

physics - Two archers shoot arrows in the same direction from the same place ...

trig - Help! Ships A and B leave port at the same time and sail on straight ...

maths - Two patrol boats M3 and M7 leave port at the same time.M3 heads due west...

trig - Two ships, one sailing at 30 km/hr and the other at 45 km/hr, left port ...

Pre Calc! - Two ships, one sailing at 30 km/hr and the other at 45 km/hr, left ...

Geometry - Two ships leave San Francisco at the same time. One travles 40 ...

Calculus - Two ships are leaving port at the same time. The first ship is ...

Physics - Two archers shoot arrows in the same direction from the same place ...

Math - Two Boats left the harbour at the same time. One travelled at 10km/h on ...