
Desafío Matemático 8º - 9º
Authored by Juan Cardona
Mathematics
8th Grade
Used 2+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Si un cuadrado de 9 cm de lado y un triángulo equilátero tienen el mismo perímetro, el valor del lado del triángulo en cm es:
16
12
48
24
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Un hotel tiene 300 habitaciones de las cuales 60 están vacías. ¿ Cuál es el porcentaje de ocupación en el hotel?
80 %
75 %
25 %
30 %
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
¿De cuántas maneras puede expresarse el número 30 como la suma de dos números primos?
2
3
4
1
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
123º
113º
103º
13º
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
¿Cuál de las siguientes expresiones no es un racional?
2
-1
4/0
-1 / -5
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
El número positivo que debe ocupar el lugar X, para que se tenga la igualdad en la suma:
1
2
5
4
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
El valor de X en la ecuación 3x – 5 = x + 3 , es:
4
2
8
6
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