Question

razon y proporciones matemáticas ​

Answer 1

Respuesta:

1) Verdadero

$x^2 + 3x = 0\\\\x(x + 3) = 0\\\\x + 3 = 0\\\\x = -3$

2) Falso

$\frac{2}{6} = \frac{3}{4}\\\\4 * 2 = 6 * 3\\\\8 = 18\\\\8 \neq 18$

3) Verdadero

$10pinas = 4jarras\\\\\frac{10}{4}\\\\\frac{5}{2}$

4) Verdadero

$\frac{4}{2} = \frac{x}{4}\\\\4 * 4 = 2 * x\\\\16 = 2x\\\\16/2 = x\\\\8 = x\\\\x = 8$

5) Verdadero

$\frac{9}{12} = \frac{3}{4}\\\\Simplificas\\\\\frac{3}{4}= \frac{3}{4}$

Explicación paso a paso: