alma128
alma128
22-09-2016
Mathematics
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A2+b2 = C2solve for a
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Аноним
Аноним
22-09-2016
[tex]a^2+b*2=c^2[/tex]
[tex]a^2+2b=c^2 [/tex] [tex]\text{Regroup terms}[/tex]
[tex]a^2=c^2-2b [/tex] [tex]\text{Subtract 2b from both sides}[/tex]
[tex]a=\pm \sqrt{c^2-2b} [/tex] [tex]\text{Take the square root of both sides}[/tex]
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SOLVE EACH SYSTEM USING SUBSTITUTION 1.y=2x+19 y=x+7 2.x+2y=-7 x+y+23 3.x+5y=2 x=-4y+5 4.3x+y=9 y=-5x+9 show work plzhere are some steps to help youStep 1:Solve
