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Anastasy [175]
3 years ago
12

Is the number 1 prime, composite, neither

Mathematics
2 answers:
mario62 [17]3 years ago
6 0
Prime because 1x1 is the only thing that equals 1
Ainat [17]3 years ago
5 0
Neither. It is not composite nor prime. The definition of a prime number is a number greater than one that has no positive divisors. "1" has many factorization, etc, and therefore is neither. 
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The scale of a model train is 1 inch to 13.5 ft. One of the cars of the model train is 5inches long. What is the length in feet
aleksklad [387]

Answer:

The length of the actual train's car is <u>67.5 feet.</u>

Step-by-step explanation:

Given:

The scale of a model train is 1 inch to 13.5 ft.

Now, to get the length of the actual car of the train.

Let the length of actual train's car be x.

And, the length of the car of model train = 5\ inches\ long.

<em>According to the scale of the model train, 1 inch is equivalent to 13.5 ft. </em>

<em>Thus, 5 inches is equivalent to </em>x.<em />

Now, to get the length of actual train's car using cross multiplication method:

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By cross multiplying we get:

x=67.5\ feet.

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7 0
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