Question

Me ayudan por favor ​

Answer 1

Respuesta:

X = 18

Explicación paso a paso:

5)

X² + 54 = 90

X² = 90 - 54

X = 36

2

X = 18

Answer 2

PREGUNTA 2

$3x = 70 + 80 \\ 3x = 150 \\ x = \frac{150}{3} \\ x = 50$

PREGUNTA 5

${x}^{2} + 54 = 90 \\ {x}^{2} = 90 - 54 \\ {x}^{2} = 36 \\ x = \sqrt{36} \\ x = 6$

PREGUNTA 6

$2x = 24 \\ x = \frac{24}{2} \\ x = 12$

PREGUNTA 8

$x + 2x + 4x = 140 \\ 7x = 140 \\ x = \frac{140}{7} \\ x = 20$