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LynFran

  • one year ago

Find the area

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  1. LynFran
    • one year ago
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    |dw:1436811539254:dw|

  2. LynFran
    • one year ago
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    im suppose to get 13/2 as my answer but im not getting that...

  3. anonymous
    • one year ago
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    Well the area of a triangle is \[1/2 b h\]

  4. LynFran
    • one year ago
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    i got 9/4 for the area of the triangle 1/2(1.5*3)

  5. anonymous
    • one year ago
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    where your base is from -1 to 1.5 so that would be 2.5 then your height is 4

  6. anonymous
    • one year ago
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    can you take a pic of the problem i need something more precise than the drawing

  7. LynFran
    • one year ago
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    1 Attachment
  8. anonymous
    • one year ago
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    Do you have the exact location of where the height ends

  9. LynFran
    • one year ago
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    nope

  10. LynFran
    • one year ago
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    this is it..but i need to get the area from the graph at the bottom of this site... https://www.symbolab.com/solver/trigonometric-equation-calculator/%5Cint_%7B-1%7D%5E%7B2%7D%5Cleft%7C2x-3%5Cright%7C%20/?origin=enterkey

  11. anonymous
    • one year ago
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    well i know the b= 2.5 1/2 (2.5) ( h) , my height looks like its greater than 4 and a little past 5 now that you gave the graph we can see that when x is -1 the function has a value of 5 which will be our height 1/2(2.5) (5) 12.5 /2

  12. anonymous
    • one year ago
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    thats the are of the large triangle

  13. anonymous
    • one year ago
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    *area are u following me

  14. LynFran
    • one year ago
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    yes go on..

  15. anonymous
    • one year ago
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    The smaller triangle has a base of 1 and a height of 1 1/2(1)(1)= Area of the big triangle and the smaller one =1/2 +12.5/2 =13.5/2

  16. LynFran
    • one year ago
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    ok continue im getting that..

  17. anonymous
    • one year ago
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    actually I'm looking at the attachment you sent. Do you see that the smaller triangle actually starts at 1.5 and ends at 2. so our base is actually .5 and our height is 1 1/2(1/2) (1) = 1/4 So now we know the 2 areas of the triangle and we can add them 12.5/2 + 1/4 25/4 +1/4 26/4 13/2

  18. LynFran
    • one year ago
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    o my gosh and thats all..lol thanks alot...

  19. anonymous
    • one year ago
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    yeah it wasn't that hard its just breaking them into 2 triangles and then adding them

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