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Math Help - WORD PROBLEM! Bearings and stuff....AHH!

  1. #1
    Junior Member CONFUSED_ONE's Avatar
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    Angry WORD PROBLEM! Bearings and stuff....AHH!

    Captain Black is on a fishing boat that leaves its pier and heads east. After traveling for 30 miles, there is a report warning of rough seas directly south. Captain Black turns the boat and follows a bearing of S45D.W [South 45 Degrees West] for 12 miles.

    Question:
    1.At this time, how far is Captain Black from the boat's pier?
    2.What bearing could the boat have orginally taken to arrive at this spot?

    ________________________
    Could someone tell me how to do these two problems? it gets me soooo...... !
    Last edited by ThePerfectHacker; March 12th 2006 at 07:21 PM.
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  2. #2
    Grand Panjandrum
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    Quote Originally Posted by CONFUSED_ONE
    Captain Black is on a fishing boat that leaves its pier and heads east. After traveling for 30 miles, there is a report warning of rough seas directly south. Captain Black turns the boat and follows a bearing of S45D.W [South 45 Degrees West] for 12 miles.

    Question:
    1.At this time, how far is Captain Black from the boat's pier?
    2.What bearing could the boat have orginally taken to arrive at this spot?

    ________________________
    Could someone tell me how to do these two problems? it gets me soooo...... !
    As always with these problems first draw a picture.

    See the attached picture, you need to find the angle a amd the distance x.

    It looks to me as though you need the cosine rule to find x, then the
    sine rule to find a.

    RonL
    Attached Thumbnails Attached Thumbnails WORD PROBLEM! Bearings and stuff....AHH!-gash.png  
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  3. #3
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    CaptainBlack what do you use to generate images?
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  4. #4
    Grand Panjandrum
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    Quote Originally Posted by ThePerfectHacker
    CaptainBlack what do you use to generate images?
    Power point, and/or whatever the equivalent tool supplied with open
    office is called.

    It's easy if you do this sort of thing all the time.

    After producing the diagram in power point I display it as large as possible
    and use [alt][prnt scn] to capture the drawing as a bit map to the
    clip board. This is then pasted as a new image into a photo editor and
    then cropped and saved at a suitable size as a jpg or png file (png is
    preferable as it uses lossless compression - but the file size is not as small as
    a jpg).

    RonL
    Last edited by CaptainBlack; March 13th 2006 at 12:37 PM.
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  5. #5
    Junior Member CONFUSED_ONE's Avatar
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    I'm sorry for not saying Thank You earlier. so THANK YOU for helping me with that problem!
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