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Mathematics 12 Online
OpenStudy (anonymous):

v=pir2h; what is the variable for h

OpenStudy (anonymous):

H is height. Change h change volume.

OpenStudy (anonymous):

so what variable is h ?

OpenStudy (anonymous):

height

OpenStudy (anonymous):

isnt variable a number?

OpenStudy (anonymous):

a variable is a letter standing in for a number (usually)

OpenStudy (anonymous):

so how can h be height shouldnt it be a number

OpenStudy (anonymous):

im sorry but i really suck when it comes to math

OpenStudy (anonymous):

It's a letter standing in for a number that you don't know yet.

OpenStudy (anonymous):

so i just put height

OpenStudy (anonymous):

well basically this is a general formula when you r given specific information you will replace the height with a number

OpenStudy (anonymous):

k

OpenStudy (anonymous):

In English it says the volume is 2*pi*height (ie it is a cylinder)

OpenStudy (anonymous):

2*pi*radius*height

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