Mathematics, 08.09.2019 05:10 NathanaelLopez
When is the sum of two rational numbers with different signs positive?
Answers: 2
Mathematics, 21.06.2019 23:30
Answer each of the questions for the following diagram: 1. what type of angles are these? 2. solve for x. what does x equal? 3. what is the measure of the angles?
Answers: 1
Mathematics, 22.06.2019 05:30
Complex numbers multiply β-4 * β-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).
Answers: 2
Mathematics, 22.06.2019 05:30
The weather forecaster says that there is a 51% chance of rain today. which statement describes the likelihood that it will rain today?
Answers: 2
Mathematics, 22.06.2019 06:10
You are in a room of 22 people (including yourself). each of you has their own deck of 52 cards β assume each deck is well-shuffled, and can be assumed to be fair and independent of each other.1. each you draws the top card of your deck.what is the probability that at least one other person has drawn the same card as you? 2. let x be the number of people who drew a card that was also drawn by at least one other person. for example, if you all drew the same card, x=22, but if you all drew different cards, x=0. what is the expected value of x? 3. consider the same situation as the last question, but this time with 29 people: all 29 of you are in a room with your own decks of cards, and you draw one of them.what is the probability that at least one person draws the ace of spades? 4. let x be the number of the types of card drawn. for example, if everyone draws the same card, x=1, but if everyone draws a different card, x=29. what is the expected value of x?
Answers: 1
When is the sum of two rational numbers with different signs positive?...
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