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sergij07 [2.7K]
2 years ago
7

Which of the following of x makes the rational expressions below undefined

Mathematics
1 answer:
alisha [4.7K]2 years ago
5 0

A rational expression is undefined if the denominator is zero. Since the denominator is x+13, the expression is undefined if

x+13 = 0 \iff x=-13

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neonofarm [45]
He could be thinking of 5,637 people at the game
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3 years ago
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amid [387]

Answer:

21.56

Step-by-step explanation:

7 0
2 years ago
There are equal numbers of both red and black cards in a deck of 52.
amid [387]

Answer:

A) there are 13 cards per suit and 4 suits, a total of 52 cards. So there are 13*2=26 red cards in a deck of 13*4=52, the odds of drawing a red card are 26/52=1/2=50%

B) Again outside knowledge is required, you name four suits but not their colors. Nonetheless, unless this is a very unusual deck, the diamonds and hearts are red, spades and clubs black. So that’s 2 red suits out of 4 suits. 2/4=1/2=50%

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Each of those answers is a different way to figure the odds, they come out the same each time, as expected.

However, what if we assume that you mean… when drawing a 5 card poker hand? Or when Penn Jillette asks you “is this your card?”+ Or if you draw every card in the deck? Or if you are playing some macabre game in which you die if you draw the ace of spades but you may only stop drawing if you draw a red card?

There are myriad possible meanings to your question, I’ve just made the simplest assumption and given the odds on that… but my answer is woefully incomplete.

+ Hint, when Penn Jillette asks you “is this your card” your card is always the 3 of clubs. So… 0% chance.

7 0
3 years ago
What is 1/4 times 2/3
bogdanovich [222]
(1/4)(2/3) = 2/12=1/6
3 0
3 years ago
Read 2 more answers
Write 15+45 as a product of two factors using the gcf and the distributive property
valkas [14]

Answer:

15(1 + 3)

Step-by-step explanation:

15 written in its prime factors is 3 × 5 (15 × 1)

45 written in its prime factors 3 × 3 × 5 (15 × 3)

The greatest common factor is 15: 15 × 1 = 15 and 15 × 3 is 45

∴ 15 + 45 = 15(1 + 3)

Hope this helps! Make me brainiest, lol it's fine if you don't. : )

5 0
2 years ago
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