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Mathematics 18 Online
OpenStudy (anonymous):

Will fan and medal!

OpenStudy (anonymous):

OpenStudy (bournville):

Well,we know that the circumference of a formula is 2*pi*r According to the question,the circumference is 272.2 inches pi=3.14 We equate the two equations we have so far. 2*pi*r=272.2 2*3.14*r=2.72 Can you find the value of r from here @rainbowswirl ?

OpenStudy (anonymous):

How do I find the value of r? I cant remember :( @bournville

OpenStudy (anonymous):

@mathstudent55

OpenStudy (vijeya3):

Well,you dun know algebra?Shall I do it for ya?

OpenStudy (anonymous):

Could you explain, please? @Vijeya3

OpenStudy (vijeya3):

Okay,let us take it step by step.This is how we do it We have the equation 2*3.14*r=272.2 Now we need to get rid of the values 3.14 and 2 on the left hand side Does this make sense to you?

OpenStudy (anonymous):

Yes @Vijeya3

OpenStudy (vijeya3):

Good To do this,we divide both the sides of the equation by 2 first. Like this |dw:1458913549923:dw| Can you tell what the resulting equation will now look like?

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