Formulas matematicas Flashcards

1
Q

¿Cuál es la formula de combinación?

A

n C r = n! / [r!( n – r)!]

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2
Q

¿Cuál es la formula de permutación?

A

nPr = (n−r)! / n!

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3
Q

¿Cómo encontrar el valor de un ángulo especial?

A

Tenga presente que quiere hallar, si seno, coseno o tangente
1) Cuente los dedos de su mano
2) Raíz cuadrada
3) Mitad de ese numero

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4
Q

¿Cuál es el valor del área de una circunferencia?

A

Pi . r al cuadrado

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5
Q

Volumen de un cubo…

A

Alto. Largo. Ancho (m cúbicos)

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6
Q

Perimetro de una circunferencia

A

2 pi . r

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7
Q

Formula del volumen del cubo

A

l a la 3

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8
Q

Formula del paralelepípedo

A

l.a.h

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9
Q

Formula del volumen de un cono

A

Pi x radio al cuadrado x la altura sobre 3

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10
Q

La formula del volumen de la esfera

A

4 pi x r a la 3 sobre 3

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11
Q

Volumen del prisma recto

A

Ab x la altura

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