deon3200 deon3200

11-03-2018
Mathematics

contestada

Find the trace on the xy-plane of the sphere having center at (−1, 3, −1) and radius 2.

Respuesta :

11-03-2018

Hi,

The sphere has for equation :(x+1)²+(y-3)²+(z+1)²=4
The xy plane has for equation z=0
The trace off the sphere in the xyplane is
(x+1)²+(y-3)²=4 (the circle of center (-1,3,0) &nd 2 as radius)

Answer Link

Otras preguntas

the first president of brasil

how to factor polynomial u^2+uv+v^2

how did epidemics among the native american populations contribute to an increase in the trade of enslaved africans

What percent of land on the earths surface is inhospitable lands? A. 75% B. 12.5% C. 25% D. 3.13% E. 9.38%

why did catholics move to america

A large region of gas and dust that may contain as many as one million solar masses is called a _____. a. galaxy b. protostar c. supernova remnant d. giant

Which term means the level of effort required to complete an activity? a. variation b. intensity c. time

The east coast megalopolis faces serious problems because of _____. climate water shortages overpopulation culture

Drinking water on a hot day: What two systems are involved in this process? How are they involved?

Biologists have separated Monera into two kingdoms according to the differences between the two groups. In which classification does this separation occur? A)