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ipn [44]
3 years ago
8

What expression is equivalent to x2 - 49?

Mathematics
1 answer:
aleksley [76]3 years ago
7 0

Answer:

C.

Expla:

x²-49

x²-7²

= (x+7)(x-7)

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Which of the following is a common sign that a chemical change has occurred?

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8 0
3 years ago
2. Un auto viaja a 60 km/h y se detiene a los 2 segundos. qué distancia recorrió en el
posledela

Se calcula que la aceleración es - 8,35 m/s.

<h3 /><h3>¿Qué es la aceleración?</h3>

Ahora sabemos lo siguiente de la pregunta;

Velocidad inicial (u) = 60 km/h o 16,7 m/s

Tiempo empleado (t) = 2 s

Dado que;

v = tu + en

v = 0 m/s porque el carro se detenía

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a = -(u/t)

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La aceleración es negativa porque la velocidad disminuye con el tiempo.

Obtenga más información sobre la aceleración: brainly.com/question/12550364

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5 0
2 years ago
James and Tyson are buds. The sum of their ages is 97. The difference of their ages is 19. Find their ages.
sweet [91]

Answer:

James is 58 and Tyson is 39 years old.

Step-by-step explanation:

x + y = 97

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--------------

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3 years ago
A recipe ofr one cookie requires 3/4 cups of sugar. If Joes has all the other ingreidiants he needs for an endless supply of cak
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3 years ago
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