Question

calcule “y” si:
xz=250
(x+y)x=1000
(x+y)z=100

Answer 1

Respuesta:

Y=-48

Explicación paso a paso:

$x \times z = 250 \\ z = \frac{250}{z} \\ (x + y) \times z = 1000 \\ y = \frac{1000 - {x}^{2} }{x} \\ (x + y) \times z = 100 \\ ( x + \frac{1000 - {x}^{2} }{x} )( \frac{250}{x}) = 100 \\ ( \frac{ {x}^{2} + 1000 - {x}^{2} }{x})( \frac{250}{x} ) = 100 \\( \frac{250000}{ {x}^{2} } ) = 100 \\ {x}^{2} = \frac{250000}{100} \\ x = 50$

(50+y) x50=100

Y=-48