Mathematics, 21.02.2020 03:25 kay20081
The speed of a moving walkway is about 2.8 feet per second. Walking on the moving walkway, it takes Kim a total of 50 seconds to travel 70 feet with the movement of the walkway and then back again against the movement of the walkway. What is Kim's normal walking speed?
Answers: 2
Mathematics, 21.06.2019 17:00
Pam buys a sleeve of ball bearings for her skateboard. each of the bearings is 1 1/5 inches wide. the sleeve is 9 3/5 inches long. how many ball bearings are in the sleeve? show your work.
Answers: 3
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
The speed of a moving walkway is about 2.8 feet per second. Walking on the moving walkway, it takes...
Social Studies, 20.12.2020 05:20
English, 20.12.2020 05:20
Mathematics, 20.12.2020 05:20
Biology, 20.12.2020 05:20
Social Studies, 20.12.2020 05:20
English, 20.12.2020 05:20
Social Studies, 20.12.2020 05:20
Social Studies, 20.12.2020 05:20
English, 20.12.2020 05:20
Business, 20.12.2020 05:20
Mathematics, 20.12.2020 05:20