Monday

December 22, 2014

December 22, 2014

Posted by **A** on Sunday, November 13, 2011 at 12:42pm.

- College Calculus -
**Steve**, Monday, November 14, 2011 at 12:28amIf x is the diatsnace from the light to the llama, and h is the height of the shadow on the wall, then using similar triangles,

h/20 = 2/x

hx = 40

At 14m from the barn, x=6 and h = 40/6 = 20/3

hx' + xh' = 0

(20/3)(1) + 6h' = 0

h' = -10/9

**Answer this Question**

**Related Questions**

math - a ladder is 12 feet laid on the side of the barn. its base from the ...

Math: pre calculus - a barn is 150 feet long and 75 feet wide. the owner has 240...

calculus - A woman 5.5 ft tall walks at a rate of 6 ft/sec toward a streetlight ...

Calculus - A bright light on the ground illuminates a wall 12 meters away. A man...

Calculus- rates - A man 6ft. tall walks at the rate of 5 ft/sec toward a ...

calculus - A bright light on the ground illuminates a wall 12 meters away. A man...

Calculus-rates - 1.) A man 6 ft tall walks at a rate of 5 ft per sec. from a ...

math - a rectangular garden with an area of 2112 square feet is to be located ...

Calculus - A farmer has 120 meters of wire fencing to make enclosures for his ...

Math - Suppose there is a cow that is tied to the corner of a barn with a rope ...