Mathematics, 16.07.2019 00:00 KHaire2077
Tessa keeps seven cards with the picture of a king and three cards with the picture of a queen on a table face down, so the pictures are hidden. she mixes up the cards then turns over one card and finds the picture of a king on it. she removes this card from the table and turns over another card. what is the probability that the card tessa turns over has a picture of a king on it? quick
Answers: 1
Mathematics, 20.06.2019 18:04
Fran would like to estimate the mean amount of time it takes people in her town to travel to work. the town's population is 150,000 and about 90,000 of those are working adults. which statements are true? select each correct answer. there is no way to infer the value of the mean. she must collect data for all 90,000 working adults and calculate the mean. a larger sample of working adults will provide a better estimate of the true mean than a smaller sample. the population of working adults is too large for using a sample to estimate the mean of the entire group. if she takes a random sample of the population of working adults in her town, the mean for that group is likely close to the mean for the entire group.
Answers: 2
Mathematics, 21.06.2019 12:30
Which shows one way to determine the factors of x3 + 5x2 β 6x β 30 by grouping? x(x2 β 5) + 6(x2 β 5)x(x2 + 5) β 6(x2 + 5)x2(x β 5) + 6(x β 5)x2(x + 5) β 6(x + 5)
Answers: 3
Mathematics, 21.06.2019 13:30
Plz me plzzzzzzz i need and plz delte this after answer
Answers: 3
Mathematics, 21.06.2019 17:00
Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.
Answers: 1
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