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pshichka [43]
3 years ago
14

In the 2010 Winter Olympics, the American speed skater Apolo Ohno won the silver medal in the 1,500 meter race. How many kilomet

ers was the race?
1.5 kilometers
15 kilometers
0.15 kilometers
150 kilometers
Mathematics
2 answers:
AnnyKZ [126]3 years ago
7 0

Answer: 1.5 kilometers

Step-by-step explanation:

Given : In the 2010 Winter Olympics, the American speed skater Apolo Ohno won the silver medal in the 1,500 meter race.

We know that 1 kilometer = 1000 meters

By UNITARY METHOD , 1\text{ meter}=\dfrac{1}{1000}\text{ kilometer}

Then,

1\text{ 1500 meter}=\dfrac{1500}{1000}\text{ kilometer}=1.5\text{ kilometer}

Hence, the race was 1.5 kilometers.

bogdanovich [222]3 years ago
5 0
1000 meters= 1 kilometer so your answer is 1.5 kilometers
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================================================

Explanation:

The number 245 is a natural number since the set of natural numbers is {1, 2, 3, 4, 5, 6, ...} basically the set of counting numbers. More technically, the set of natural numbers is the set of positive whole numbers.

The number 245 is also an integer. It does not have any decimal or fractional parts. The set of integers includes negative whole numbers as well.

The number 245 is a whole number for similar reasoning as it being an integer.

The number 245 is a rational number. Why? Because we can write 245 as 245/1. In other words, 245 = 245/1. Because we can form a fraction of two integers, this shows us 245 is rational. Note: 0 cannot be in the denominator.

The number 245 is NOT an irrational. If a number is rational, then it cannot be irrational. The very definition of "irrational" means "not rational". An example of an irrational number is sqrt(2). We cannot write this as a fraction of two integers.

The number 245 is a real number. If you haven't learned about complex numbers yet, then every number you encounter is a real number.

----------

To summarize, 245 is a natural number, a whole number, an integer, a rational number, and a real number.

A much shorter way to say this is "everything but irrational" since irrational is the only non-answer.

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