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2 years ago

The cost of peanuts varies directly with the number of pounds. If 3 pounds of peanuts cost $6.30, what is the cost of 4.5 pounds

Mathematics

2 answers:

Mazyrski [523]2 years ago

6 0

The cost would be 9.45 for 4 pounds .

oksano4ka [1.4K]2 years ago

5 0

You have to divide 6.30 by 3 for the price per pound, then you multiply the product by 4.5 thus you get your answer 9.45 pounds.

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$P(\frac{B}{M} ) = 0.3030$

Step-by-step explanation:

Explanation:-

Given data

Brown Blue Hazel Green

Females 13 4 6 9

Males 10 2 9 12

Let 'B' be the event of brown eyes

Total number of males n(M) = 33

Let B/M be the event of randomly selected student from the class has brown eyes given they are male

The probability that a randomly selected student from the class has brown eyes , given they are male

$P(\frac{B}{M} ) = \frac{n(B)}{n(M)}$

From table the brown eyes from males = 10

$P(\frac{B}{M} ) = \frac{10}{33}$

$P(\frac{B}{M} ) = 0.3030$

Final answer:-

The probability that a randomly selected student from the class has brown eyes , given they are male

$P(\frac{B}{M} ) = 0.3030$

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Please see the attached file for explanation

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