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anonymous

  • one year ago

help please!

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  1. anonymous
    • one year ago
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    @surjithayer

  2. anonymous
    • one year ago
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  3. anonymous
    • one year ago
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    3x+30=90 3x=90-30=60 x=?

  4. anonymous
    • one year ago
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    @iambatman

  5. anonymous
    • one year ago
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    @KyanTheDoodle

  6. anonymous
    • one year ago
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    @iambatman

  7. anonymous
    • one year ago
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    @iambatman

  8. anonymous
    • one year ago
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    What's up?

  9. anonymous
    • one year ago
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    please help

  10. anonymous
    • one year ago
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    and fast please :)

  11. anonymous
    • one year ago
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    3x+30=90 that looks good

  12. anonymous
    • one year ago
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    Just solve for x

  13. anonymous
    • one year ago
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    Because |dw:1433222505160:dw|

  14. anonymous
    • one year ago
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    ok ?

  15. anonymous
    • one year ago
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    Where are you confused?

  16. anonymous
    • one year ago
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    They must add up to 90 degrees, as a right angle is always 90 degrees.

  17. anonymous
    • one year ago
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    ok

  18. anonymous
    • one year ago
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    and then

  19. anonymous
    • one year ago
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    So we add the two angles 30+3x and make it equal to 90, 3x+30 = 90

  20. anonymous
    • one year ago
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    Now solve for x to find the angle

  21. anonymous
    • one year ago
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    i got 40

  22. anonymous
    • one year ago
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    Can you please show you work? I know you expect me to do the work, but that will not benefit you, if you don't know how to do the algebra you are more than welcome to ask, don't worry about being wrong.

  23. anonymous
    • one year ago
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    |dw:1433222874705:dw|

  24. anonymous
    • one year ago
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    its 30! sorry

  25. anonymous
    • one year ago
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    When we are doing algebra, we use the opposite property of what exists to move things. Say we're given something like \[5x=30\] notice the x is attached to the 5 that implies x is being multiplied by 5 as such \[5 \times x = 30\] So we say mhm, alright so what can we do to move the 5 away from x so we can get x alone, and also note what you do to one side you must always do it to the other. So we divide both sides by 5...oh I see you know how to do algebra but your arithmetic is wrong.

  26. anonymous
    • one year ago
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    Try again :)

  27. anonymous
    • one year ago
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    Your algebra is correct, but your division is wrong

  28. anonymous
    • one year ago
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    20!

  29. anonymous
    • one year ago
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    There we go! I knew you could do it :)

  30. anonymous
    • one year ago
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    :)

  31. anonymous
    • one year ago
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    Ned wrote the following statement: "You can only draw one unique isosceles triangle that contains an angle of 80°." Which statement is true? Ned is correct, because only one unique triangle can be drawn with the given information. Ned is incorrect, because the triangle described cannot be drawn with the given information. Ned is incorrect, because more than one triangle can be drawn with the given information.

  32. anonymous
    • one year ago
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    its c.. prettY sure :) @iambatman

  33. anonymous
    • one year ago
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    @iambatman

  34. anonymous
    • one year ago
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    Sounds good

  35. anonymous
    • one year ago
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    okk :)

  36. anonymous
    • one year ago
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    Linda described four triangles as shown below: Triangle A: All sides have length 7 cm. Triangle B: All angles measure 60°. Triangle C: Two sides have length 8 cm, and the included angle measures 60°. Triangle D: Base has length 8 cm, and base angles measure 55°. Which triangle is not a unique triangle? Triangle A Triangle B Triangle C Triangle D

  37. anonymous
    • one year ago
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    b?

  38. anonymous
    • one year ago
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    @iambatman

  39. anonymous
    • one year ago
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    Are you doing a test?

  40. anonymous
    • one year ago
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    homework

  41. anonymous
    • one year ago
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    A unique triangle is one that is not equilateral

  42. anonymous
    • one year ago
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    So what you mentioned is a equilateral triangle as all angles are the same.

  43. anonymous
    • one year ago
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    yes

  44. anonymous
    • one year ago
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    And can only be drawn one way, so something like 3 cm, 5 cm, 7 cm

  45. anonymous
    • one year ago
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    yea:)

  46. anonymous
    • one year ago
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    so im right?

  47. anonymous
    • one year ago
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    b?

  48. anonymous
    • one year ago
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    @iambatman

  49. anonymous
    • one year ago
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    Yes, that seems good

  50. anonymous
    • one year ago
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    :)

  51. anonymous
    • one year ago
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    @iambatman

  52. anonymous
    • one year ago
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    Supplementary angles add up to 180, so \[5x+20+50=180\] solve for x

  53. anonymous
    • one year ago
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    |dw:1433224140932:dw|

  54. anonymous
    • one year ago
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    @iambatman

  55. anonymous
    • one year ago
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    @iambatman

  56. anonymous
    • one year ago
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    Yup

  57. anonymous
    • one year ago
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    :)

  58. anonymous
    • one year ago
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    sorry, b is not correct,it is d

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