2 years ago

Answer Please will give brainliest.

Mathematics

1 answer:

masya89 [10]2 years ago

4 0

Step-by-step explanation:

blue is natural: 1, 4, 0, 2 and root of 25.

green is whole: -9 and -15.

yellow is rational: 2/3

orange is irrational: pi and root of 15.

white is real numbers.

don't know about that purple one.

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Virty [35]

Answer:

Step-by-step explanation:

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3 years ago

There are 15 European cities that Kevin would eventually like to visit. On his next vacation, though, he only has time to visit

antoniya [11.8K]

Answer:

32760 different schedules are possible.

Step-by-step explanation:

The order is important.

For example

Prague on Monday, Berlin on Tuesday, Liverpool on Wednesday and Athens on Thursday is a different schedule than Berlin on Monday, Prague on Tuesday, Liverpool on Wednesday and Athens on Thursday.

So we use the permutations formula to solve this question.

Permutations formula:

The number of possible permutations of x elements from a set of n elements is given by the following formula:

$P_{(n,x)} = \frac{n!}{(n-x)!)}$

How many different schedules are possible?

Choose 4 cities among a set of 15. So

$P_{(15,4)} = \frac{15!}{(15-4)!)} = 32760$

32760 different schedules are possible.

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3 years ago

Quadrilateral JKLM is rotated - 270° about the origin.

Lyrx [107]

Answer:

The rule for a rotation by 270° about the origin is (x,y)→(y,−x) .

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3 years ago

How do you find the next three terms in the geometric sequence 9, -3, 1, , ... ?

levacccp [35]

Each term is being divided by -3, so the next three terms would be:

-1/3, 1/9, -1/27

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3 years ago

What’s the frequency

SCORPION-xisa [38]

Frequency describes the number of waves that pass a fixed place in a given amount of time.

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3 years ago