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14-08-2015
Mathematics

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s=3 t=8
2st^2 - s^2 = ?

Respuesta :

haley4148 haley4148

14-08-2015

2st^2-s^2
2x3x8^2-3^2
2x3x64-9
=375

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14-08-2015

[tex]2st^2-s^2=~2(3)(8)^2-(3)^2~=~2(3)(64)-9[/tex]

[tex]=~6(64)-9~=~384-9~=~375[/tex]

375 is the answer

Answer Link

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