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nuccioreggie

  • one year ago

Jake throws a dart that hits the square shown below: A square is drawn. A circle of radius 8 units touches the sides of the square. What is the probability that the dart hits a point in the circle? 16% 21.5% 64% 78.5% I got D

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  1. nuccioreggie
    • one year ago
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    @TheSmartOne please help me

  2. anonymous
    • one year ago
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    the idea is that it is the ratio of the areas

  3. nuccioreggie
    • one year ago
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    Ok is d correct?

  4. anonymous
    • one year ago
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    square has area \(16^2\) if i read it correctly

  5. anonymous
    • one year ago
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    circle has area \(64\pi\)

  6. anonymous
    • one year ago
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    calculate \[\frac{64\pi}{16^2}\] use a calculator

  7. nuccioreggie
    • one year ago
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    Ok here it is so u can get it better

  8. anonymous
    • one year ago
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    yeah i got D too

  9. anonymous
    • one year ago
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    http://www.wolframalpha.com/input/?i=64pi%2F16^2

  10. anonymous
    • one year ago
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    go with D looks good

  11. nuccioreggie
    • one year ago
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    Ok can u help me with like 4 or 5 more please ill tag u ok?

  12. anonymous
    • one year ago
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    ok

  13. anonymous
    • one year ago
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    if i know them that is

  14. nuccioreggie
    • one year ago
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    Henry tossed a coin several times and recorded the number of heads and tails in the following table: Coin Experiment Side of Coin Number of Tosses Heads 12 Tails 18 What is the experimental probability of getting heads? 0.4 0.7 1.2 1.8

  15. anonymous
    • one year ago
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    experimental probability means "relative frequency: ratio of favorable to total

  16. anonymous
    • one year ago
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    total tosses?

  17. nuccioreggie
    • one year ago
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    I think c or b

  18. anonymous
    • one year ago
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    total tosses?

  19. anonymous
    • one year ago
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    yeah it has to be A or B must be less than one

  20. nuccioreggie
    • one year ago
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    Its A

  21. anonymous
    • one year ago
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    it is definitely \(\frac{12}{30}\) reduce i guess

  22. anonymous
    • one year ago
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    yeah \(0.4\)

  23. nuccioreggie
    • one year ago
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    A paper cup is dropped and its landing position is recorded. The cup can land on the side, on the open end, or on the closed end. The results of 20 trials are shown in the table below: A chart shows tally marks. Main title for the chart is Paper Cup Experiment. The title for the second column is Number of times occurred. The tally mark corresponding to open shows a set of 4 vertical lines cut by a slanting line. The tally mark corresponding to closed shows a set of 4 vertical lines cut by a slanting line. The tally mark corresponding to side shows 2 sets of 4 vertical lines cut by a slanting line. Based on the table, which of the following best compares the experimental probability of the cup landing on its open end with the experimental probability of the cup landing on its closed end? The probabilities are equal. The probability of landing on the open end is greater. The probability of landing on the closed end is greater. No conclusion can be made.

  24. nuccioreggie
    • one year ago
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    Its C i think

  25. anonymous
    • one year ago
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    i can't really understand that

  26. nuccioreggie
    • one year ago
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    Ok 1sec

  27. nuccioreggie
    • one year ago
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    Here it is

  28. anonymous
    • one year ago
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    open and closed are the same right? both five

  29. anonymous
    • one year ago
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    so equal

  30. nuccioreggie
    • one year ago
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    Yea i say. c

  31. anonymous
    • one year ago
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    not C, A

  32. nuccioreggie
    • one year ago
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    But its an extra one at the bottom

  33. anonymous
    • one year ago
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    let me look again

  34. anonymous
    • one year ago
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    no looks like 5 and 5 to me

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