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Esmy Group Title

Find the midpoint of the segment with the given endpoints. M(–2, 1) and O(–3, 2) A. (–2.5, 1.5) B. (–0.5, –0.5) C. (0.5, –0.5) D. (–3, –5)

  • 2 years ago
  • 2 years ago

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  1. Esmy Group Title
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    its D.

    • 2 years ago
  2. Loujoelou Group Title
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    K so a midpoint is basically an average of the x points and of the y points. The formula is x1+x2 divided by 2, y1+y2 divided by 2. If we do this we get- (-2+-3) (1+2) ------- & ----- 2 2 -5/2, 3/2= (-2.5,1.5)

    • 2 years ago
  3. Esmy Group Title
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    Ohhhh okay I get it! :D Okay can you help me with one more?

    • 2 years ago
  4. Esmy Group Title
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    I believe I know the answer but I need to know if I'm right.

    • 2 years ago
  5. Loujoelou Group Title
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    Sure.

    • 2 years ago
  6. Esmy Group Title
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    Wires are attached to a pole to make it more secure. The diagram shows one of those wires having a length of 220 feet. The angle of elevation from the ground to the top of the pole is 36. What is the height of the pole?

    • 2 years ago
  7. Esmy Group Title
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    http://i1188.photobucket.com/albums/z417/esmy_071/mc019-2.jpg

    • 2 years ago
  8. Esmy Group Title
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    A. 178.0 ft B. 374.3 ft C. 159.8 ft D. 129.3 ft

    • 2 years ago
  9. Esmy Group Title
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    This one is C what do you think?

    • 2 years ago
  10. Loujoelou Group Title
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    Sorry, but Idk this one :( I'm thinking maybe it has something to do w/ tan/cos/sin

    • 2 years ago
  11. Esmy Group Title
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    Hmmm okay ill figure it out tho... Thank you

    • 2 years ago
  12. Loujoelou Group Title
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    Sry :( I think though it has something to do with sine

    • 2 years ago
  13. Esmy Group Title
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    yeah I just put what I thought :) thanks tho...

    • 2 years ago
  14. georgeblue22 Group Title
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    This can be solved with trigonometry. The hypotenuse has been given and the opposite side is needed. In this case, we will need to use sine. sin = opposite/hypotenuse let the opposite side length be y so sin(36) = y/220 220sin(36) = y plug that into a scientific calculator and you get 129.3ft so the answer is D

    • 2 years ago
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