Explicación paso a paso:
1)
[tex] \frac{6}{15 } = \frac{x}{45} [/tex]
[tex] \frac{45 \times 6}{15} = x[/tex]
[tex]3 \times 6 = x[/tex]
[tex]18 = x[/tex]
2)
[tex] \frac{1}{4} = \frac{7}{x} [/tex]
[tex]x = 7 \times 4[/tex]
[tex]x = 28[/tex]
3)
segmentos :
3k y 5k
uno de ellos mide 12
3k = 12
k = 12/3
k = 4
➡️
reemplazamos el valor de k
5k = 5(4)=20
El otro segmento mide 20
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Explicación paso a paso:
1)
[tex] \frac{6}{15 } = \frac{x}{45} [/tex]
[tex] \frac{45 \times 6}{15} = x[/tex]
[tex]3 \times 6 = x[/tex]
[tex]18 = x[/tex]
2)
[tex] \frac{1}{4} = \frac{7}{x} [/tex]
[tex]x = 7 \times 4[/tex]
[tex]x = 28[/tex]
3)
segmentos :
3k y 5k
uno de ellos mide 12
3k = 12
k = 12/3
k = 4
➡️
reemplazamos el valor de k
5k = 5(4)=20
El otro segmento mide 20