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23-03-2020
Mathematics

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1/4(r-5/2)=1/8, what does r represent.

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Аноним Аноним

23-03-2020

Answer: [tex]r=3[/tex]

Step 1

[tex](1/4)*(r-(5/2)) = 1/8 // - 1/8(1/4)*(r-(5/2))-(1/8) = 0(1/4)*(r-5/2)-1/8 = 01/4*(r-5/2)-1/8 = 0(1/4*8*(r-5/2))/8-1/8 = 01/4*8*(r-5/2)-1 = 0[/tex]

Step 2

[tex]2*r-6 = 0(2*r-6)/8 = 0(2*r-6)/8 = 0 // * 82*r-6 = 02*r-6 = 0 // + 62*r = 6 // : 2[/tex]

Divide

[tex]6/2=3[/tex]

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