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KengaRu [80]
3 years ago
15

2. Select all ratios that are equivalent to 3:18. 21:126 6:36 1:6 1:18 15 21

Mathematics
1 answer:
mafiozo [28]3 years ago
5 0

Answer:

21:126

6:36

1:6

Step-by-step explanation:

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Answer:

89

Step-by-step explanation:

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divide the number 120 into three parts such that the first and second are twice and three times the third respectively HELP MEEE
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8 0
3 years ago
Assuming the amount of money college students spend on text books each semester is symmetrical with a mean of 500 and a standard
TiliK225 [7]

16% percent of the students paid MORE than Jane.

The mean(μ) of money spent on textbooks is 500

The standard deviation(σ) of money spent on textbooks is 50

Money paid by Jane for her books is $550

We will use this formula,

Ζ=x-μ/σ

To find: the percentage of students paid MORE than Jane for the textbooks

P(X > 550)=?

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P(X > 550)=1-P(X≤550)

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