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enyata [817]
3 years ago
13

Let P be the set of people we're interested in (not necessarily all people), Parent(p) mean p is a parent, and ParentOf(p1, p2)

mean p1 is p2's parent. Consider the following statement: ∀x ∈ P, ∃y ∈ P, Parent(x) → ParentOf(x, y) If you were attempting to prove this statement via the challenge method, how would the "game" proceed? (An "adversary" is an opponent.) Group of answer choices If I can choose an x so that my adversary cannot choose a y that makes the statement false, then the statement is true. Otherwise, it's false. If I can choose an x and a y that make the statement true, then the statement is true. Otherwise, it's false. If my adversary cannot choose an x and a y that makes the statement false, then the statement is true. Otherwise, it's false. If no matter what choice of x my adversary makes, I can choose a y that makes the statement true, then the statement is true. Otherwise, it's false. None of these is correctly describes the process, but there is a correct process. None of these is correctly describes the process, and there is no correct process to prove this statement via the challenge method.
Mathematics
1 answer:
vazorg [7]3 years ago
5 0

Answer:

If no matter what choice of x my adversary makes, I can choose a y that makes the statement true, then the statement is true. Otherwise, it's false.

Step-by-step explanation:

According to the given situation, as we can see that the we cant find the y for the x i.e given that shows Parent (x) represented as Parent Of (x,y)

In mathematically,

Parent (x) = Parent (x,y)

This does not seems true

Therefore this statement is false

Hence, the fourth option is true

All other statements that are mentioned is false

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What are opposites?
Scrat [10]

Answer:

Opposites are basically the negative and positive of a number.  I cannot think of something for a real world situation though.

Step-by-step explanation:

3 0
3 years ago
Evaluate 3x - 4y + 11 for x = -2 and y = -1
katrin [286]

Answer:

9

Step-by-step explanation:

Plug in -2 for x, and -1 for y, and solve:

3x - 4y + 11

3(-2) - 4(-1) + 11

Remember to follow PEMDAS. First, multiply. Remember, that when you multiply:

2 positive signs will result in a positive answer.

1 positive & 1 negative will result in a negative answer.

2 negative will result in a positive answer.

3 * -2 = -6

-4 * -1 = 4

-6 + 4 + 11 = 9

9 is your answer.

~

7 0
3 years ago
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What is he least common denominator of 3/4 , 4/5 and 2/3
rodikova [14]

Answer:

60

Step-by-step explanation:

4*5*3=60

4 0
3 years ago
Geoff has a bag that contains 4 red marbles and 6 blue marbles. He chooses two marbles at random and does not replace them. What
posledela

Total number of marbles = 10

Number of red marbles = 4

Number of blue marbles = 6

Probability = \frac{number of favorable outcomes}{total number of outcomes}

The probability that the first marble is blue = \frac{6}{10}

The probability that the first marble is red = \frac{4}{9} ; 9 because 1 marble has already been taken out.

Joint probability= probability of event A * Probability of event B

= \frac{6}{10}\times\frac{4}{9}=\frac{24}{90}= \frac{4}{15}

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