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

Author Question: There are 5 performers who are to present their acts at a variety show. How many different ways are ... (Read 62 times)

awywial

  • Hero Member
  • *****
  • Posts: 577
There are 5 performers who are to present their acts at a variety show. How many different ways are there to schedule their appearances?
 
  A) 120 B) 5 C) 25 D) 20

Question 2

How many different four-letter secret codes can be formed if the first letter must be an S or a T?
 
  A) 35,152 B) 456,976 C) 72 D) 421,824



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

randomguy133

  • Sr. Member
  • ****
  • Posts: 310
Answer to Question 1

A

Answer to Question 2

A





 

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

There are more bacteria in your mouth than there are people in the world.

For a complete list of videos, visit our video library