math/geometry

posted by .

:Find a counterexample of the following definition:

All balls are spheres:

  • math/geometry -

    counter example: a football isnt a sphere

  • math/geometry -

    Mucho Gracias arturo!

  • math/geometry -

    A football isnt a sphere

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. math(geometry)

    find a counterexample for the following statement. If a number is divisible by 5, then it is divisible by 10. What is the counterexample of that statement?
  2. Science, Physics

    The Pith balls may be positive, negative or neutral. Four pith balls are suspended by insulated threads. The following reaction occurs. a) #2 pith ball is positively charged b) #2 attracts all the other pith balls,. c) #1 and#3 pith …
  3. Geometry

    Find a counterexample to the following definition: An animal with wings is a bird.
  4. Math for the middle school and elementary teacher

    3 red balls, 4 green balls, and 5 yellow balls are in a bag. If 2 balls are drawn randomly (without replacement) find the probability that the balls are different colors. I got 47/66 that the balls are different colors...is that right?
  5. geometry

    Four metal balls fit snugly inside a cylindrical can. A geometry student claims that two extra balls of the same size can be put into the can, provided all six balls can be melted down and the molten liquid poured into the can. Is …
  6. Basic Mathematics

    A bag contains 2 red balls, 3 blue balls and 5 green balls. 3 balls are drawn at random. Find the probability that a) the 3 balls are of different colours b) 2 balls are of the same colour c) all the 3 are of the same colour.
  7. MATH

    Tony has a bucket filled with 10 green, 3 blue, 1 red, and 7 yellow tennis balls. He removes 4 tennis balls from the bucket, without replacement. Which of the following outcomes could represent this selection?
  8. GEOMETRY

    if two balls are drawn without replacement from a box containing 4 blue balls, 3 yellow balls, and 2 white balls, what is the probability of getting 2 yellow balls?
  9. GEOMETRY

    from a bag containing 6 white balls, 3 black balls and 13 red balls, two balls are drawn at random. what is the probability that they are both red?
  10. College Math

    Four balls are selected at random without replacement from an urn containing four white balls and five blue balls. Find the probability of the given event. ‚Äč All of the balls are blue.

More Similar Questions