
Mecánica Matemática I- 2025
Authored by Francisca Solange Muñoz Vasquez
Special Education
9th - 12th Grade
Used 1+ times

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7 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
En una minera hay 800 personas. El 30% son jóvenes.
¿Cuántos jóvenes hay?
700
240
280
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Una variable es directamente proporcional cuando:
Si al disminuir una en cierto factor, la otra aumenta.
Si al aumentar (o disminuir) una en cierto factor, la otra aumenta (o disminuye) en el mismo factor.
Si una aumenta o disminuye, la otra se mantiene.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
La cantidad de cobre comprado por una empresa y el valor de su venta es una variable:
Indirectamente proporcional
Directamente proporcional
Cualitativa proporcional
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dos ruedas están unidas por una correa transmisora. La primera tiene un radio de 25 cm y la segunda de 75 cm. Cuando la primera ha dado 300 vueltas, ¿Cuántas vueltas habrá dado la segunda?
100 VUELTAS
75 VUELTAS
23 VUELTAS
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
En la corrida Hurtadina LBPAH un estudiante ha recorrido 2.4km en 10 minutos. Si mantiene la velocidad
¿Cuánto tardará en completar los 12 km del recorrido?
20 minutos
28 minutos
50 minutos.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Minera Collahuasi tiene una producción mensual de 9100 kilos de molibdeno y 13 máquinas trabajando para ello. Si tres máquinas se malogran. ¿Cuánto será la producción mensual de la minera?
11830 kg de Molibdeno
7000 kg de Molibdeno
9000 kg de Molibdeno
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
500 es el 5% de __________
10.000
1.000
250
25
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