Author Question: Which of the following is true of the eccentricity of an ellipse? A) It tells you the length of ... (Read 114 times)

tth

  • Hero Member
  • *****
  • Posts: 579
Which of the following is true of the eccentricity of an ellipse?
 
  A) It tells you the length of the ellipse.
  B) It tells you the shape of the ellipse.
  C) It is half the length of the shortest diameter of the ellipse.
  D) It is half the length of the longest diameter of the ellipse.

Question 2

Which of the following is true of early astronomers?
 
  A) They knew that there were many other galaxies in the Universe.
  B) They thought the entire Universe consisted of Earth, the Sun, the Moon, and five other planets.
  C) They knew that the planets were made of rock and gas, much like Earth.
  D) They thought that stars were other objects like the Sun and that we lived inside a galaxy.



KKcool

  • Sr. Member
  • ****
  • Posts: 340
Answer to Question 1

B

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

For a complete list of videos, visit our video library