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12-x=((45*75+15*200+5*175)*409/100+45*75*117/100)*1/86400 x-y=((15*200+5*175)*81/25+15*200*88/25-45*75*117/100)*1/86400 y-z=(5*175*9/5+5*175*1061/100+15*200*88/25)*1/86400

Дано $$- x + 12 = frac{1}{86400} left(frac{394875}{100} + frac{2965250}{100}right)$$ 3875*81 3000*88 3375*117 ——- + ——- – ——– 25 25 100 x – y = —————————- 86400 $$x – y = frac{1}{86400} left(- frac{15795}{4} + frac{264000}{25} + frac{313875}{25}right)$$ 875*9 875*1061…

m1*v1=m1*u1+m2*u2 m1*v1^2*1/2=m1*v1^2*1/2+m2*u2^2*1/2

Дано $$m_{1} v_{1} = m_{1} u_{1} + m_{2} u_{2}$$ 2 2 2 m1*v1 m1*v1 m2*u2 —— = —— + —— 2 2 2 $$frac{m_{1} v_{1}^{2}}{2} = frac{m_{1} v_{1}^{2}}{2} + frac{m_{2} u_{2}^{2}}{2}$$ Ответ $$m_{21} = 0$$=$$0$$= 0 $$m_{11} = 0$$=$$0$$= 0…

x^2+3*y=31 2*x^2+6*y^2=31*x

Дано $$x^{2} + 3 y = 31$$ 2 2 2*x + 6*y = 31*x $$2 x^{2} + 6 y^{2} = 31 x$$ Ответ $$x_{1} = – frac{3}{31} sqrt{- frac{140815}{324 sqrt[3]{frac{512076937}{186624} + frac{29791 sqrt{8619329}}{20736}}} – frac{121}{9} + 2 sqrt[3]{frac{512076937}{186624} + frac{29791…

y=sqrt(2*x+5) y=(x+6)^(1/3)

Дано $$y = sqrt{2 x + 5}$$ 3 _______ y = / x + 6 $$y = sqrt[3]{x + 6}$$ Ответ $$x_{1} = -6 + left(frac{1}{36 sqrt[3]{frac{sqrt{3990}}{36} + frac{379}{216}}} + frac{1}{6} + sqrt[3]{frac{sqrt{3990}}{36} + frac{379}{216}}right)^{3}$$=$$-6 + left(frac{1}{36 sqrt[3]{frac{sqrt{3990}}{36} + frac{379}{216}}}…

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