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bezimeni [28]
3 years ago
15

Can someone help me understand this?

Mathematics
1 answer:
yan [13]3 years ago
5 0

Ok Skylar what is (this)?

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If john has 2 apples and gives sam 1 apple how many will john have ?
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Answer:

1

Step-by-step explanation:

2-1=1

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Look at the steps used to solve the equation below . Which mathematical property justifies the work between steps #3 and 4 step#
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I’m sorry I’m wasting an answer but I’m having some technical issues with Brainly so I will try answering a question to see if it works
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Compute the average (mean) from the data shown. (round to the nearest whole number)
Norma-Jean [14]

Answer:the answer is B 60.

Step-by-step explanation:

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3 years ago
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

-w² + 9 - 21 = 0

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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2 years ago
2x<br> +1 = 7<br> -Z | -1<br> = [?]<br> =<br> 2x<br> 3
enot [183]

Answer: nop

Step-by-step explanation:

8 0
3 years ago
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