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liberstina [14]
3 years ago
6

The 9th term for 7,14,28,56

Mathematics
1 answer:
Eduardwww [97]3 years ago
8 0

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The answer is D because u can find the radius from the number
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Una persona asegura que su casa tiene forma rectangular y que el perímetro de la misma es de 18 m y que además, su área es de 21
leva [86]

Considerando las fórmulas para el perímetro y el área de un rectángulo, hay que se chega en una <u>eccuación cuadrática sin solución</u>, o sea, las medidas no son posibles y la persona estaba mintiendo.

<h3>¿Cuál es la fórmula para el perímetro y el área de un rectángulo?</h3>

Considerando que las dimensiones son l y w, hay que:

  • El perímetro es: P = 2(l + w).
  • El área es: A = lw.

El <u>perímetro es de 18 m</u>, o sea:

2(l + w) = 18

l + w = 9

l = 9- w.

El <u>área es de 21 m²</u>, o sea:

lw = 21

(9- w)w = 21

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w² - 9w + 21 = 0

El discriminante es dado por:

D = 9² - 4 x 1 x 21 = -3.

El discriminante negativo implica que la <u>eccuación cuadrática no tiene solución</u>, o sea, las medidas no son posibles y la persona estaba mintiendo.

Puede-se aprender más a cerca de el perímetro y el área de un rectángulo en brainly.com/question/26475963

#SPJ1

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A triangle has a slant of 8yd, a height of 6.5yd, and a base of 4yd. What is its area?
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B I thank

Step-by-step explanation:

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Step-by-step explanation:

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Step-by-step explanation: all percents add to 100%, so 40%+20%=60%, and 100%-60%=40%

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2 years ago
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