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Crank
2 years ago
12

2 Simplify the expression by using the distributive property and combining like terms: 4p + 5(p + 6) :

Mathematics
1 answer:
kvv77 [185]2 years ago
7 0

Answer:

2. 9p+30 because 4p+5(p+6)=4p+5×p+5×6=9p+30

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3 years ago
En un examen de admisión de 120 preguntas, cada respuesta correcta vale 2 puntos y por cada incorrecta se quita medio punto. Un
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Answer:

Respondió mal 64 preguntas.

Step-by-step explanation:

De acuerdo a la información proporcionada puedes plantear las siguientes ecuaciones:

x+y=120 (1)

2x-0,5y=80 (2)

x es el número de preguntas correctas

y es el numero de preguntas incorrectas

Primero debes despejar "x" en (1):

x=120-y (3)

Después, debes reemplazar (3) en (2):

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160=2,5y

y=160/2,5

y=64

Ahora puedes reemplazar el valor de "y" en (3) para encontrar el valor de "x":

x=120-y

x=120-64

x=56

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3 years ago
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