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anonymous

  • 5 years ago

Can someone please check this for me? A telephone pole 35 ft tall has a guy wire attached to it 5 ft from the top and tied to a ring on the ground 15 ft from the base of the pole. Assume that an extra 2 feet of wire is needed to attach the wire to the ring and the pole. What length of wire is needed for the job? Give an answer to the nearest tenth of a foot..... 225 + 1225 = c^2 1450 = c^2 38.08 = c plus 2 more feet = 40.08 5(40.08) = 200.4 ft of wire is needed for the job.

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  1. amistre64
    • 5 years ago
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    sqrt(30^2 + 15^2) +2 = length

  2. anonymous
    • 5 years ago
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    where did 30 come from?

  3. amistre64
    • 5 years ago
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    sqrt(1125)+2 = 35.54

  4. amistre64
    • 5 years ago
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    35 tall, 5 foot from top = 30

  5. amistre64
    • 5 years ago
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    its my subtraction ability shining

  6. anonymous
    • 5 years ago
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    ooh ha yes it is!!!

  7. anonymous
    • 5 years ago
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    I see where 1125 + 2 = 1127 where is 35.54 coming from?

  8. anonymous
    • 5 years ago
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    Wait square root of 1125 is 33.54 then add the 2 = 35.54 feet of wire needed for the job?

  9. amistre64
    • 5 years ago
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    yes

  10. anonymous
    • 5 years ago
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    its the next one

  11. anonymous
    • 5 years ago
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    prove the area of an isosceles right triangle... i started it, but got stuck

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