Saturday

August 30, 2014

August 30, 2014

Posted by **Anonymous** on Saturday, October 26, 2013 at 6:04pm.

The distance is increasing at

- calculas -
**Steve**, Saturday, October 26, 2013 at 10:37pmThe plane's x- and y- speed is

dx/dt = 19 cos 25°

dy/dt = 19 sin 25°

At time t, the distance z is

z^2 = x^2 + (y+4)^2

so,

2z dz/dt 2x dx/dt + 2(y+4) dy/dt.

Now just figure x,y,z at t=3, and plug in the values.

**Related Questions**

Honors Trig. - A plane is flying at a speed and direction of 550 mph, 25 degrees...

Math Ms. Sue please help - Flying to Kampala with a tailwind a plane average ...

Please Anyone!!! - Plane A is 40 mi south and 100 mi east of Plane B. Plane A is...

Math - Plane A is 40 mi south and 100 mi east of Plane B. Plane A is flying 2 ...

Algebra 2 - 1. Plane A is 40 mi south and 100 mi east of Plane B. Plane A is ...

math - At an airport, a flight controller was in a tower 40m above the ground. ...

math - a small plane flying into the wind takes 3 hrs 20 min to complete a ...

math - Flying to Seoul with a tailwind a plane averaged 343 mph. On the return ...

algebra-word problem - Flying to Kampala with a tailwind a plane averaged 158 km...

Math - A small plane flying into the wind takes 3h 20 min to complete a flight ...