yrnalex8823 yrnalex8823

03-08-2018
Mathematics

contestada

Identify the surface whose equation is given r^2 + z^2 = 4

Respuesta :

sqdancefan sqdancefan

16-08-2018

The equation describes a circle that gets smaller as z increases, and is maximum size at z=0. The radius of the circle is a maximum of 2, and goes to zero as |z| becomes 2.

The surface is a sphere of radius 2 centered at the origin.

Answer Link

Otras preguntas

Washing a wound and covering it with a bandage and a glove is an example of

What happens when a bank is required to hold more money in reserve? It has less money for loans. It has less money for operations. It has less money for interes

A line passes through the point (–2, 7) and has a slope of –5. What is the value of a if the point (a, 2) is also on the line?

Which situation is considered reinforcement? A. Receiving a "thank you" from somebody after doing something nice B. Refusing to leave a tip for service

What is true about the relationship between miles and gallons

Why are outer electrons of some substances able to be removed by friction? The outer electrons are not as tightly bound as ones closer to the nucleus. The outer

Can someone please solve this?

Which helps maintain a dogs homeostasis?

Beyond this course, in what ways does rhetoric affect you?

When traveling on a two-lane highway driving 50 to 55 mph, you need a _____ gap in oncoming traffic to pass safely?