This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: There are players in a ping-pong tournament. Each player plays every other player exactly once. How ... (Read 85 times)

Sufayan.ah

  • Hero Member
  • *****
  • Posts: 512
on: Jul 31, 2018
There are players in a ping-pong tournament. Each player plays every other player exactly once. How many games will be played? (Hint: Suppose there are simply 2 players, 3 players, 4 players, and so on, and look for a pattern.)
 
  a.
  b. 326
  c. 310
  d. 330
  e. 340

Question 2

If we know the sum , how can we quickly find the sum ?
 
  a. Multiply the sum by .
  b. Multiply the sum by .
  c. Multiply the sum by .
  d. Multiply the sum by .
  e. Multiply the sum by .


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Mholman93

  • Sr. Member
  • ****
  • Posts: 328
Reply #1 on: Jul 31, 2018
Answer to Question 1

ANS: A

Answer to Question 2

ANS: D


Sufayan.ah

  • Member
  • Posts: 512
Reply 2 on: Jul 31, 2018
Thanks for the timely response, appreciate it

Sarahjh

  • Member
  • Posts: 370
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

A killer whale plays with a ball of ice, soon after a researcher had thrown a snowball at the whale. A killer whale plays with a ball of ice, soon after a researcher had thrown a snowball at the whale.
Narwhal plays volleyball Narwhal plays volleyball
Monopoly, patented in 1935, was an instant best-seller: Players risk all their assets in an attempt Monopoly, patented in 1935, was an instant best-seller: Players risk all their assets in an attempt
Older people who exercise cognitive skills, like these chess players, retain those skills well into ... Older people who exercise cognitive skills, like these chess players, retain those skills well into ...
School aged chess player School aged chess player
A pool player is attempting a fancy shot. He hits the cue ball giving it a speed of 5.57 m/s ... A pool player is attempting a fancy shot. He hits the cue ball giving it a speed of 5.57 m/s ...
Video: Global warming and its effect on climate change

For a complete list of videos, visit our video library