Mathematics, 03.12.2020 03:00 saraaaaaaaa20
Introduction to Proportional Relationships 7.4ABC:Question 1
Which situation represents a proportional relationship?
Select one:
A soccer club has 15 players on every team, except for three teams which have 18
players. The number of players is proportional to the number of teams.
A bookshelf holds 25 books. The total number of books is proportional to the number
of shelves in the bookcase.
Mary had $100 in the bank and each week she deposits an additional $12. The
amount in her account is proportional to the number of weeks she started saving.
A local swimming pool charges ss per visit. There is also a $15 yearly registration fee
The total cost is proportional to the total number of days visited
Answers: 1
Mathematics, 21.06.2019 14:50
Simplify 5 square root of 7 end root plus 12 square root of 6 end root minus 10 square root of 7 end root minus 5 square root of 6 . (1 point) 5 square root of 14 end root minus 7 square root of 12 5 square root of 7 end root minus 7 square root of 6 7 square root of 12 end root minus 5 square root of 14 7 square root of 6 end root minus 5 square root of 7
Answers: 2
Mathematics, 21.06.2019 19:30
Cor d? ? me ? max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.
Answers: 1
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: 1
Introduction to Proportional Relationships 7.4ABC:Question 1
Which situation represents a proportio...
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