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Flura [38]
3 years ago
6

Simplify: 4x + 6(3x - 2) A) 10x - 12 B) 18x - 12 C) 22x - 12 D) 30x2 - 20x

Mathematics
1 answer:
alekssr [168]3 years ago
4 0
C have goood luck bye
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O comprimento de um retângulo é 6x e sua largura é 5y. A) Escreva uma expressão algébrica que representa o perímetro desse retân
Kobotan [32]

Answer:

A) 12x + 10y

B) 118cm

Step-by-step explanation:

A) A fórmula para calcular o perímetro de um retângulo é dada como:

Perímetro de um retângulo = 2 (L + W)

= 2L + 2W

Onde

L = comprimento do retângulo

W = largura do retângulo

A) A pergunta nos diz que:

O comprimento de um retângulo é 6x e sua largura é 5y.

A expressão algébrica que representa o perímetro do retângulo =

Perímetro de um retângulo = 2 (L + W)

= 2L + 2W

L = 6x, W = 5y

= 2 (6x) + 2 (5y)

= 12x + 10y

A expressão algébrica que representa o perímetro do retângulo é

P = 12x + 10y

B) Se x = 4 cm e y = 7 cm, qual é o valor numérico desse perímetro.

P = 12x + 10y

x = 4cm

y = 7cm

Perímetro = 12 (4) + 10 (7)

Perímetro = 48cm + 70cm

Perímetro do retângulo = 118cm

Portanto, o valor numérico do perímetro é 118cm

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3 years ago
When solving the equation 10x + 2 = 22, what is the first thing you're going to do?
Tasya [4]
I would minus 2 from both sides of the equation so that it becomes:

10x \:  =  \: 20
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Answer:

There are five triangles in a heptagon. A heptagon is a seven-sided polygon.

Step-by-step explanation:

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Answer:

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The axis of symmetry is located at the vertex,

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Step-by-step explanation:

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Oh my gosh help me i
Ivanshal [37]

Sorry its hard to read and see

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3 years ago
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