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shusha [124]
3 years ago
6

Mr. Pratt has 26 students in his math class. He has

Mathematics
1 answer:
Andrews [41]3 years ago
8 0

Answer:

add 26+25+24

make:

prize 1

26 student have

the probability to get

prize 1.

prize 2

25 student have the prabability to get prize 2. why 25? because some one already one a prize so they dont count.

do the same for the last one, prize 3

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60/24 = 2.5
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Ten increased by 6 times a number is the same as 4 less than 4 times the number
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Express into algebraic form
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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

4 0
2 years ago
Would anyone mind helping me
oksian1 [2.3K]

Answer:

29

Step-by-step explanation:

0.11v=3.19

\frac{0.11x}{0.11} =\frac{3.19}{0.11}

Divide:

3.19÷0.11=29

v=29

3 0
3 years ago
Read 2 more answers
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