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anonymous

  • one year ago

A rail is 10 m long. It must be supported at least once every 3 m, beginning with a support at the far left end. Counting the first support, at how many points must a support be added to the rail? 2 points 3 points 4 points 5 points

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  1. anonymous
    • one year ago
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    It's 2 points. What do you think?

  2. anonymous
    • one year ago
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    i think so

  3. anonymous
    • one year ago
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    If you took ten and separated it into groups of three, one would be left over. That's how I got my answer. :)

  4. anonymous
    • one year ago
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    sounds good

  5. anonymous
    • one year ago
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    Serenity, Lucy, and Piper hiked for 4 hours. They hiked 1\frac{3}{4}miles each hour for the first three hours. In the fourth hour, they hiked \frac{3}{10}of the total distance that they hiked during the first three hours. What was the total distance the girls \frac{31}{40} \frac{5}{6} \frac{5}{6} \frac{33}{40}

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