Дано $$frac{16 x}{30} – frac{y}{5} = – frac{17}{30}$$ -x 21*y 127 — + —- = — 5 30 30 $$frac{-1 x}{5} + frac{21 y}{30} = frac{127}{30}$$ Подробное решение Дана система ур-ний$$frac{16 x}{30} – frac{y}{5} = – frac{17}{30}$$$$frac{-1 x}{5} + frac{21…
Дано $$9 x_{3} + frac{2901 x_{1}}{100} + 4 x_{2} = 0$$ 16701*x2 4*x1 + ——– + 81*x3 = 0 100 $$81 x_{3} + 4 x_{1} + frac{16701 x_{2}}{100} = 0$$ 4101*x3 9*x1 + 81*x2 + ——- = 0 100 $$frac{4101…
Дано $$a = 1$$ 3*a + b + c = 9 $$c + 3 a + b = 9$$ 3*a + 9*c + d = 21 $$d + 3 a + 9 c = 21$$ 3*a + b + 3*d…
Дано $$frac{3 p_{1}}{5} + frac{9 p_{2}}{10} = p_{1}$$ 2*p1 p2 —- + — = p2 5 10 $$frac{2 p_{1}}{5} + frac{p_{2}}{10} = p_{2}$$ p1 + p2 = 1 $$p_{1} + p_{2} = 1$$ Ответ $$p_{11} = frac{9}{13}$$=$$frac{9}{13}$$= 0.692307692307692 $$p_{21} =…
Дано $$frac{-1 x}{2} + frac{y}{2} = 0$$ 87*x 87*y 30 – —- – —- = 0 100 100 $$- frac{87 y}{100} + – frac{87 x}{100} + 30 = 0$$ Подробное решение Дана система ур-ний$$frac{-1 x}{2} + frac{y}{2} = 0$$$$- frac{87…
Дано $$3 x^{2} + 2 y^{2} = 50$$ 2 2 12*x + 8*y = 50*x $$12 x^{2} + 8 y^{2} = 50 x$$ Ответ $$x_{1} = 4$$=$$4$$= 4 $$y_{1} = -1$$=$$-1$$= -1 $$x_{2} = 4$$=$$4$$= 4 $$y_{2} = 1$$=$$1$$= 1…
Дано $$frac{frac{y}{50} + frac{x}{40} + frac{611}{50}}{frac{17 y}{200} + frac{93 x}{100} + frac{11}{2}} = frac{3}{2}$$ 611 x y — + — + — 50 40 50 36 ————– = — 5 x 17*y 11 – + — + —- 2 100…
Дано $$frac{1}{5} + 0.4 = 0.0024 p_{2} – frac{9}{50}$$ 73529 250 + p2 + p3 = —– 100 $$p_{3} + p_{2} + 250 = frac{73529}{100}$$ 0.0024*p2 + 9/50 = 0.0022*p3 – 3/25 $$0.0024 p_{2} + frac{9}{50} = 0.0022 p_{3} –…
Дано $$c_{3} + c_{1} + c_{2} = 3$$ c1 – 2*c2 + 3*c3 + 3*c4 = 3 $$3 c_{4} + 3 c_{3} + c_{1} – 2 c_{2} = 3$$ Ответ $$c_{11} = – frac{5 c_{3}}{3} – c_{4} + 3$$=$$- frac{5…
Дано $$300 = 8 x + 2 y$$ 100 – 4*x 60 – y ——— = —— 8 2 $$frac{1}{8} left(- 4 x + 100right) = frac{1}{2} left(- y + 60right)$$ Подробное решение Дана система ур-ний$$300 = 8 x +…