When black is added to

  1. A box contains 8 white balls, 7 black and 4 red. How many red balls must be added to the box so that the probability is 3/4? How
    1. answers icon 2 answers
    2. Bella asked by Bella
    3. views icon 764 views
  2. Chris had some black and white balls in a box. First, he added 98 white balls and as a result, 40% of the balls were black.
    1. answers icon 1 answer
    2. views icon 195 views
  3. When and why were the 13th, 14th, and 15th Amendments added to the Constitution?(1 point)Responses The amendments were added
    1. answers icon 1 answer
    2. views icon 44 views
  4. A bag contains 3 black balls 14 green balls and 5 yellow balls.If two balls are picked at random without replacement , find the
    1. answers icon 2 answers
    2. Nampijja asked by Nampijja
    3. views icon 401 views
  5. What is the main challenge astronomers face when trying to directly detect black holes?(1 point)Responses Black holes are too
    1. answers icon 1 answer
    2. views icon 64 views
  6. What is the main challenge astronomers face when trying to directly detect black holes?(1 point)Responses Black holes are too
    1. answers icon 1 answer
    2. views icon 61 views
  7. What is the main challenge astronomers face when trying to directly detect black holes?(1 point)Responses Black holes are too
    1. answers icon 1 answer
    2. What is most necessary for a coherent text to do?( asked by What is most necessary for a coherent text to do?(
    3. views icon 57 views
  8. What is the main challenge astronomers face when trying to directly detect black holes?(1 point)Responses Black holes are empty.
    1. answers icon 1 answer
    2. views icon 54 views
  9. What is the main challenge astronomers face when trying to directly detect black holes?(1 point)Responses Black holes are too
    1. answers icon 1 answer
    2. hello asked by hello
    3. views icon 50 views
  10. What is the main challenge astronomers face when trying to directly detect black holes?(1 point) Responses Black holes are too
    1. answers icon 1 answer
    2. local.trin asked by local.trin
    3. views icon 49 views