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madreJ [45]
3 years ago
9

Las longitudes de dos lados de un octágono regular están representadas por las expresiones 2x + 4 y 3x-8. Encuentra la longitud

de un lado del octágono
Mathematics
1 answer:
Nat2105 [25]3 years ago
5 0

Answer:

La longitud del lado del octágono es de 28 unidades.

Step-by-step explanation:

Si las longitudes de los dos lados pertenecen a un octágono regular, entonces se satisface la siguiente condición:

2\cdot x + 4 = 3\cdot x - 8 (1)

A continuación, despejamos x en (1):

3\cdot x - 2\cdot x = 4 + 8

x = 12

Ahora, determinamos la longitud del lado del octágono: (x = 12)

l = 2\cdot x + 4

l = 28

La longitud del lado del octágono es de 28 unidades.

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A silver chain has 100 links. Each link is made of thin silver wire and is in the shape of a circle of radius 2,5 cm. Find the v
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19.625×100

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4 0
3 years ago
A=R/2L what does L equal
adoni [48]
A=R/2L
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8 0
4 years ago
The value of Adam's model railway is $550.
garik1379 [7]

Answer:(c)

Step-by-step explanation:

Given

The initial value of Adam's model is A_o=\$550

the value increases exponentially with the rate of r\%

Time period t=5\ years

Final amount A=\$736

Exponential growth is given by

\Rightarrow A=A_o(1+r)^t

Putting values

\Rightarrow 736=550(1+r)^5\\\\\Rightarrow (1+r)^5=1.338

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Option (c) is correct

6 0
3 years ago
The measures of the angles of a triangle are shown in the figure below. Solve for x. (7x-12)° 60° O here to search​
Andrei [34K]

Answer:

x = 6

Step-by-step explanation:

Based on the triangle sum theorem, the sum of the interior angles of a triangle = 180°

Given the following, right angle (90°), 60°, and (7x - 12)° as interior angles of the triangle, therefore:

7x - 12 + 90 + 60 = 180

Add like terms

7x + 138 = 180

7x + 138 - 138 = 180 - 138 (subtraction property of equality)

7x = 42

7x/7 = 42/7 (division property of equality)

x = 6

4 0
3 years ago
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