Mathematics, 08.07.2019 02:00 Jacobstoltzfus
Amonth of the year is chosen at random. what is the probability that it has 31 days?
Answers: 1
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Fredrick designed an experiment in which he spun a spinner 20 times and recorded the results of each spin
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Mathematics, 21.06.2019 20:00
It is given that the quadratic equation hx²-3x+k=0, where h and k are constants, has roots [tex] \beta \: and \: 2 \beta [/tex]express h in terms of k
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Mathematics, 21.06.2019 20:30
Find the value of x. give reasons to justify your solutions! c ∈ ae
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Mathematics, 21.06.2019 20:30
Martha has a deck of cards. she has lost some of the cards, and now the deck only contains nine spades, eleven diamonds, eight clubs, and twelve hearts. martha predicts that whenever she draws a card from the deck without looking, she will draw a club one-fifth of the time. which activity would best allow martha to test her prediction? a. randomly draw a card from the box and see if it is a club. b. randomly draw a card. then, continue to draw another card until all eight clubs are drawn. c. randomly draw and replace a card 120 times. then, observe how close to 30 times a club is drawn. d. randomly draw and replace a card 100 times. then, observe how close to 20 times a club is drawn.
Answers: 3
Amonth of the year is chosen at random. what is the probability that it has 31 days?...
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