Author Question: A student earned grades of 84, 78, 84, and 72 on her four regular tests. She earned a grade of 78 on ... (Read 71 times)

cmoore54

  • Hero Member
  • *****
  • Posts: 568
A student earned grades of 84, 78, 84, and 72 on her four regular tests. She earned a grade of 78 on
  the final exam and 86 on her class projects. Her combined homework grade was 87.
 
  The four
  regular tests count for 40 of the final grade, the final exam counts for 30, the project counts for
  10, and homework counts for 20. What is her weighted mean grade? Round to one decimal
  place.
  A) 81.3 B) 80.2 C) 81.2 D) 82.1

Question 2

The owner of a small manufacturing plant employs six people. As part of their personnel file, she
  asked each one to record to the nearest one-tenth of a mile the distance they travel one way from
  home to work.
 
  The six distances are listed below:
  26 32 29 16 45 19
  A) 18.9 mi2 B) 5043.6 mi2 C) 15.8 mi2 D) 107.0 mi2



jaaaaaaa

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

C

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

For a complete list of videos, visit our video library