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Lyrx [107]
2 years ago
15

2) Cereal cost $7 / box. How many boxes did Huong buy if she spent $21?

Mathematics
2 answers:
Vikentia [17]2 years ago
8 0
3 boxes 7X3=21 so there is your answer
uysha [10]2 years ago
3 0
Answer:3 boxes.
Explanation: $21 / $7=3 boxes
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Answer:

Step-by-step explanation:

Let n be a random variable that represents the first Jonathan apple chosen at random that has bitter pit.

a) P(X = n) = q(n-1)p, where q = 1 - p.

From the information given, probability if success, p = 12.6/100 = 0.126

b) for n = 3, the probability value from the geometric probability distribution calculator is

P(n = 3) = 0.096

For n = 5, the probability value from the geometric probability distribution calculator is

P(n = 5) = 0.074

For n = 12, the probability value from the geometric probability distribution calculator is

P(n = 12) = 0.8

c) For n ≥ 5, the probability value from the geometric probability distribution calculator is

P(n ≥ 5) = 0.58

d) the expected number of apples that must be examined to find the first one with bitter pit is the mean.

Mean = 1/p

Mean = 1/0.126 = 7.9

Approximately 8 apples

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3 years ago
El equipo de corredores de la escuela organizo una carrera de 20 kilometros para ello deberan corre un circulito de 1000 metros.
julsineya [31]

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corrieron 50 kilómetros de la escuela a la casa

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2 years ago
Tickets for a concert cost $8 online plus a $3
mash [69]

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3 tickets

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(36 - 3 x 4) \ (15 - 9 \ 3) =
tamaranim1 [39]
I got 36 remember first x / and then -+
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