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Author Question: The calendar we presently use is the ______________ calendar. Fill in the blank(s) with correct ... (Read 92 times)

lidoalex

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on: Jul 28, 2018
The calendar we presently use is the ______________ calendar.
 Fill in the blank(s) with correct word

Question 2

If a wave has a frequency of 15 Hz, it has a period of
 a. 1/15 s.
  b. 3.9 s.
  c. 225 s.
  d. 15 s.


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sultansheikh

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Reply #1 on: Jul 28, 2018
Answer to Question 1

Gregorian

Answer to Question 2

a


lidoalex

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Reply #2 on: Jul 28, 2018
TY


sultansheikh

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Reply #3 on: Jul 28, 2018
You're welcome


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