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rewona [7]
3 years ago
6

3t + 3 = -12 show steps pls

Mathematics
2 answers:
valina [46]3 years ago
5 0
3t+3=-12

Our goal is to isolate t. Subtract 3 from both sides.
3t+3-3=-12-3
3t=-15

Now divide both sides by 3.
3t/3=-15/3
t=-5

Final answer: t=-5
tatuchka [14]3 years ago
5 0
3t=-12+-3
3t=-15
3t/3=-15/3
t=-5
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san4es73 [151]

Step-by-step explanation:

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Divisibilidad por 3

Un número es divisible por 3 cuando la suma de sus dígitos es un número divisible por 3.

Ejemplo

Verifica que los números 65283 y 91277 sean divisibles por 3.

Solución

Sumando los dígitos de los números indicados, tenemos:

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Dado que 24 es un número divisible por 3 (8. 3 = 24), entonces 65283 es divisible por 3. El número 26 no es divisible por 3, por lo que 91277 tampoco es divisible por 3.

Divisibilidad por 4

Para que un número sea divisible entre 4, sus dos últimos dígitos deben ser 00 o divisibles entre 4.

Ejemplo

¿Cuál de las siguientes opciones tiene un número que no es divisible por 4?

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c

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Solución

Para responder a la pregunta, verifiquemos los dos últimos dígitos de cada opción:

a) 48 es divisible por 4 (12. 4 = 48).

b) 00 es divisible por 4.

c) 35 no es divisible por 4, ya que no hay un número natural que multiplicado por 4 sea igual a 35.

d) 32 es divisible por 4 (8.4 = 32)

Entonces la respuesta es la letra c. El número 97235 no es divisible por 4. S

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