Let er be the unit radial vector and r=x2+y2+z2√. calculate the integral of f=e−rer over: (a) the upper-hemisphere of x2+y2+z2=25 , outward-pointing normal (b) the region on the sphere of radius r=5 centered at the origin that lies inside the first octant x, y,z≥0 (a) ∬sf⋅ds=

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

Aclothing designer is selecting models to walk the runway for her fashion show. the clothes she designed require each model’s height to be no more than y inches from 5 feet 10 inches, or 70 inches. which graph could be used to determine the possible variance levels that would result in an acceptable height, x?

Cuántos triángulos forman un diamante