[Answered] Which of the following is a prime number? A) 13 B) 21 C) 49 D) ...

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Author Question: Which of the following is a prime number? A) 13 B) 21 C) 49 D) ... (Read 47 times)

CQXA

Hero Member
Posts: 546

on: Jul 27, 2018

Which of the following is a prime number?

A) 13
B) 21
C) 49
D) 15

Question 2

Two violin strings, vibrating at 880. Hz and 876. Hz respectively, will cause a beat frequency of

A) 4. Hz.
B) 8. Hz.
C) 16. Hz.
D) 878. Hz.
E) 1.76 kHz.

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amcvicar

Sr. Member
Posts: 341

Reply #1 on: Jul 27, 2018

Answer to Question 1

A

Answer to Question 2

A

CQXA

Hero Member
Posts: 546

Reply #2 on: Jul 27, 2018

Thank you!

amcvicar

Sr. Member
Posts: 341

Reply #3 on: Jul 27, 2018

Always glad to help...

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