Matematica Flashcards

1
Q

formula arranjo

A

An,p=n!/(n-p)!

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2
Q

Formulação combinação

A

Cn,p=n!/p! (n-p)!

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3
Q

Fórmula do volume do cilindro

A

V=pi.r2.h

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4
Q

Fórmula do volume círculo

A

V=4/3pir3

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5
Q

Fórmula pa

A

An= a1+(n-1)r

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6
Q

Fórmula pg

A

An=a1.q n-1

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7
Q

Soma dos termos pa

A

Sn=(a1+an).n/2

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8
Q

Soma dos termos pg

A

Sn=a1(qn-1)/ q-1

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9
Q

Fórmula para encontrar a equação da reta

A

Y=mx+b

M=inclinação da reta
B=onde a reta intercepta o eixo y

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10
Q

Fórmula da inclinação reta

A

m=(y2-y1)/(x2-x1)

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11
Q

Na PG como encontrar o valor de q

A

Q=a2/a1

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12
Q

Seno

A

CO/H

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13
Q

Cosseno

A

CA/H

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14
Q

Tangente

A

CO/CA

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15
Q

Fórmula para achar seno ou cosseno

A

Sen2x+cos2x=1

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16
Q

Secante

A

1/cos(X)

17
Q

Cossecante

A

1/sen(X)

18
Q

Cotangenete

A

1/tg(X) ou cosx/senx

19
Q

Soma das raizes

A

S= -b/a