18-07-2016
Mathematics

contestada

solve for r:d=rR2/R2+R1

Respuesta :

Hussain514 Hussain514

18-07-2016

d=rR2/(R2+R1)
d(R2+R1)=rR2
[d(R2+R1)]/R2 = r

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samuelonum1 samuelonum1

18-03-2020

Answer:

Step-by-step explanation: this involves change of subject of formula

Given d=rR2/R2+R1

d-R1=rR2/R2

Crosss multiplying

( d-R1)R2=rR2

Divide both sides by R2

r=d-R1

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