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ElenaW [278]
3 years ago
6

To which sets of numbers - 1/4 does belong?

Mathematics
1 answer:
Afina-wow [57]3 years ago
6 0

Where are the sets? I don't see any...

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What came first into your mind when you read the word “union"? How did you
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well when you hear "union" you think 'joined' or 'together' since thats what it means, In a mathmatical set of numbers, union means that both of the sets are necessary for the equation to be true. I'm not sure what the sets are in this problem but in order to get "union" from anything, that means that when you checked for your domains, the values that you got had to be part of both the given sets

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What does f(1) represent
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What are some key ways to solve math word problems? How can you tell which math category does a problem solving question fall in
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3 years ago
Michelle draws a card from a standard deck of 52 cards. She replaces the card and draws a second card. What is the probability t
erma4kov [3.2K]
To draw a heart, one would be choosing 1 card of 13 possible hearts, and 0 from the remaining 39 non-hearts. With respect to the entire deck, one would be choosing 1 card from 52 total cards. So the probability of drawing a heart is

\dfrac{\dbinom{13}1\cdot\dbinom{39}0}{\dbinom{52}1}=\dfrac{13\cdot1}{52}=\dfrac14

When Michelle replaces the card, the deck returns the normal, so the probability of drawing any card from a given suit is the same, \dfrac14. In other words, drawing a spade is independent of having drawn the heart first.

So the probability of drawing a heart, replacing it, then drawing a spade is \dfrac14\cdot\dfrac14=\dfrac1{16}.
4 0
3 years ago
Read 2 more answers
Simplify the expression 30x^6/3x^-2​
Ne4ueva [31]

Answer:

30x^{4}

Step-by-step explanation:

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