Well
translates to 
so
log5(x/2)=5 means 5^5=x/2, so 3125=x/2, so 6250=x
so
log5(x/2)=5 means 5^5=x/2, so 3125=x/2, so 6250=x
Brass is made up of copper and zinc. 100 grams of brass contains 20 grams of zinc.
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Given that <span>DG, EG, and FG are perpendicular bisectors of the sides of △ABC, this means that the point of intersection, G, is the circumcenter of the triangle and hence A</span><span>G, BG, and CG are equal.
Given that </span><span>DG = 5 cm and BD = 12 cm, then
Since AG = BG = CG, therefore, CG = 13 cm.</span>
Given that </span><span>DG = 5 cm and BD = 12 cm, then
Since AG = BG = CG, therefore, CG = 13 cm.</span>