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solniwko [45]
3 years ago
12

An HOn2-scale train is a model train that is constructed at the ratio 1 : 87.1. If an HOn2 model of a locomotive is 10.4712 inch

es long how long is the actual locomotive in feet?
Mathematics
2 answers:
trasher [3.6K]3 years ago
7 0

Answer:

The actual locomotive is 76 ft long.

Step-by-step explanation: Multiply 10.4712 by 87 to get the number of inches. Then divide by 12 to convert inches to feet.

Citrus2011 [14]3 years ago
5 0

The actual length of the train is 76 ft

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Answer:

If order matters: 2,594,592,000 ways.

If order does not matter:  64,350 ways

Step-by-step explanation:

Assuming that the order matters when picking the non-pitching positions (since they are different positions), the number of possible different starting lineups is given by the permutation of picking 8 players out of 15, multiplied by 10 (pick one out of 10 pitchers):

n =10*\frac{15!}{(15-8)!}\\ n=10*15*14*13*12*11*10*9*8\\n=2,594,592,000

Now if the order of the field players is not important, the number of possible starting lineups is given by the combination of picking 8 players out 15, multiplied by 10:

n = n =10*\frac{15!}{(15-8)!8!}\\ n=\frac{10*15*14*13*12*11*10*9*8}{8*7*6*5*4*3*2} \\n=64,350

Therefore, the number of ways to pick the starting lineup is:

If order matters: 2,594,592,000 ways.

If order does not matter:  64,350 ways

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4 years ago
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pshichka [43]
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6 0
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Hope this helps you out! ☺

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