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Author Question: A circle has an area of 3.0 m2 . A second circle has double the radius of the first. The area of the ... (Read 315 times)

Zoey63294

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on: Jul 28, 2018
A circle has an area of 3.0 m2 . A second circle has double the radius of the first. The area of the second circle is ____ times that of the first.
 a. 0.8
  b. 2.0
  c. 4.0
  d. 6.0

Question 2

Note the expression: y = A/x3 . Which statement is most consistent with this expression?
 a. y is less than A.
  b. If x is halved, y is multiplied by eight.
  c. If x is doubled, y is multiplied by a factor of 8.
  d. y is greater than x.


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jackie

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Reply #1 on: Jul 28, 2018
Answer to Question 1

c

Answer to Question 2

b


Zoey63294

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Reply #2 on: Jul 28, 2018
Both answers were spot on, thank you once again


jackie

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Reply #3 on: Jul 28, 2018
Great! Please up vote :D


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