On a map, 1 inch equals 12.9 miles. If two cities are 4.5 inches apart on the map, how far are they actually apart?

Mathematics

1 answer:

Anna007 [38]2 years ago

8 0

Answer:

58.05 Miles apart

Step-by-step explanation:

12.9 Miles X 4.5 Inches = 58.05 Miles

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In a running competition, a bronze, silver and gold medal must be given to the top three girls and top three boys. If 15 boys an

denis-greek [22]

Answer:

There are a total of possible 1820 results.

Step-by-step explanation:

Since there are two competitions, one for boys and one for girls, and we want all the possible results we will calculate the possible combinations for the boys and multiply them by the possible combinations for the girls. This is shown below:

$Boys = \frac{15!}{3!(15 - 3)!} = \frac{15!}{3!12!} = \frac{15*14*13*12!}{3!12!}\\Boys = \frac{15*14*13}{3*2*1}\\Boys = \frac{15*14*13}{3*2*1}\\Boys = 455$