This topic contains a solution. Click here to go to the answer

Author Question: Which of the following is a prime number? A) 13 B) 21 C) 49 D) ... (Read 7 times)

CQXA

  • Hero Member
  • *****
  • Posts: 546
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.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

amcvicar

  • Sr. Member
  • ****
  • Posts: 341
Answer to Question 1

A

Answer to Question 2

A



CQXA

  • Hero Member
  • *****
  • Posts: 546

amcvicar

  • Sr. Member
  • ****
  • Posts: 341
Always glad to help...



 

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

For a complete list of videos, visit our video library