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castortr0y [4]
2 years ago
5

In a class of 28 students, 16 play an instrument and 11 play a sport. There are

Mathematics
1 answer:
NARA [144]2 years ago
5 0

Answer: 6/11

Step-by-step explanation:

28 - 7 = 21

16 + 11 - 21 = 6

11 - 6 = 5

16-6 = 10

10 + 5 15

P (a) = 16/28

p (b) = 11/28

A I B = 6/28/11/28 = 6/11

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Five guys walk into a bar, how many ways can they sit so as to be arranged from oldest to youngest?
Ipatiy [6.2K]

There are 24 ways in which 5 guys can sit if arranged from oldest to youngest.

We have,

Five guys.

Now,

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Total number of ways to arranged around a table (n) = (n-1)!

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For n = 5,

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Total number of ways to arranged Five guys rom oldest to youngest (n) = (n-1)!

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We get,

= 4 × 3 × 2 × 1

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Total number of ways to arranged Five guys rom oldest to youngest (n) = 24.

Hence we can say that there are 24 ways in which 5 guys can sit if arranged from oldest to youngest.

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2 years ago
During the walk-a-thon, brian walks 3 and one fourth kilometers, and Stacy walks 2 and seven eighths kilometers. How many more k
BARSIC [14]

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3/8 or three eighths

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3 years ago
a fair coin is tossed three times in succession.the sample space is shown,where H represents avhaed and T represents a tail. Fin
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3 years ago
An insurance adjuster processes the claims of six policy holders in an eight hour work day. The adjuster uses $5 in gasoline and
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Answer:

D

Step-by-step explanation:

Labor productivity is is measured per hours.

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