I need help and how you got the answer please and thanks
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Answers: 2
Mathematics, 21.06.2019 14:30
The number of revolutions of two pulleys is inversely proportional to their diameters. if a 24-inch diameter pulley making 400 revolutions per minute is belted to an 8-inch diameter pulley, find the number of revolutions per minute of the smaller pulley.
Answers: 1
Mathematics, 21.06.2019 17:00
According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.
Answers: 2
Mathematics, 21.06.2019 19:00
The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of ฯ (no approximations).
Answers: 1
Social Studies, 24.03.2021 16:50
Mathematics, 24.03.2021 16:50
Mathematics, 24.03.2021 16:50
Mathematics, 24.03.2021 16:50
Mathematics, 24.03.2021 16:50
Mathematics, 24.03.2021 16:50
Mathematics, 24.03.2021 16:50