Math Flashcards

1
Q

Porcentagem é a razão entre número e ….?

A

100

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2
Q

Representação decimal de 35%

A

0,35

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3
Q

(a+b)^2

A

a^2 + 2ab + b^2

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4
Q

(a-b)^2

A

a^2 - 2ab +b^2

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5
Q

(a^2 - b^2)

A

(a+b) (a-b)

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6
Q

Soma dos ângulos internos de um triângulo

A

180°

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7
Q

Soma dos ângulos internos de um quadrado

A

360°

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8
Q

Área do círculo

A

pi*raio^2

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9
Q

Perímetro da circunferência

A

2piraio

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10
Q

Sen(x)

A

Cateto Oposto/ Hipotenusa

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11
Q

Cos(x)

A

Cateto Adjacente/ Hipotenusa

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12
Q

Sen(30)

A

1/2

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13
Q

Cos(30)

A

Raiz(3)/2

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14
Q

Sen(60)

A

Raiz(3)/2

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15
Q

Cos(60)

A

1/2

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16
Q

Cos(45)

A

Raiz(2)/2

17
Q

Sen(45)

A

Raiz(2)/2

18
Q

Xv (função quadrática)

A

-b/2a

19
Q

Yv(função quadrática)

A

-delta/4a

20
Q

Volume do cubo de aresta X

A

X^3

21
Q

Volume da pirâmide

A

Basealtura1/3

22
Q

Termo Geral da PG

A

An = a1*q^(n-1)

23
Q

Soma de n termos PG

A

S= (a1*((q^n)-1))/(q-1)

24
Q

q na PG

A

An/A(n-1)