adwinajames
01.04.2021 •
Mathematics
There are 4 new books and 9 used books on a shelf.
(a) What is the ratio of new books to all books on the shelf?
(b) What is the ratio of used books to all books on the shelf?
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Ответ:
a) 4:13
b) 9:13
Step-by-step explanation:
Ответ:
frequency, f = 1/t = (1/3) hz.
angular velocity ω = 2πf = 2*3.14*(1/3) ≈ 2.093
angular velocity ≈ 2.093 radians/second