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muscrat123

  • one year ago

@Nnesha can you help me with a few questions?? or anybody else good with math?

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  1. muscrat123
    • one year ago
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    @saseal

  2. anonymous
    • one year ago
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    yea

  3. muscrat123
    • one year ago
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    okay thanks so much

  4. anonymous
    • one year ago
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    what is your question?

  5. muscrat123
    • one year ago
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    hang on

  6. muscrat123
    • one year ago
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    The image below is a triangle drawn inside a circle with center O:Which of the following expressions shows the area, in square inches, of the circle? (π = 3.14) 3.14 · 42 3.14 · 52 3.14 · 5 3.14 · 22

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  7. anonymous
    • one year ago
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    the diameter of the circle is 8" so the radius is 8/2

  8. muscrat123
    • one year ago
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    4

  9. anonymous
    • one year ago
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    area of circle is 4^2π

  10. muscrat123
    • one year ago
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    16 times pi

  11. anonymous
    • one year ago
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    now lets find the area of the triangle

  12. muscrat123
    • one year ago
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    i think we only need to find the circle/

  13. anonymous
    • one year ago
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    yea

  14. muscrat123
    • one year ago
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    so a?

  15. muscrat123
    • one year ago
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    In triangle XYZ, z2 = x2 + y2. Which equation is true about the measure of the angles of the triangle? The measure of angle XZY is equal to 90 degrees The measure of angle XYZ is equal to 100 degrees The measure of angle XYZ plus the measure of angle YXZ is equal to 80 degrees The measure of angle XYZ plus the measure of angle YXZ is equal to 70 degrees

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  16. anonymous
    • one year ago
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    its not in the option

  17. anonymous
    • one year ago
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    first one is true

  18. muscrat123
    • one year ago
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    so a?

  19. anonymous
    • one year ago
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    this stuff is a right angle triangle thats why it runs with pythagoras theorem

  20. anonymous
    • one year ago
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    yea

  21. muscrat123
    • one year ago
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    A wooden block in the shape of a rectangular pyramid is shown below: If a cross section of the block is cut perpendicular to the base but does not pass through the top vertex, which of the following shapes describes the cross section? Triangle Rectangle Trapezoid Hexagon

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  22. anonymous
    • one year ago
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    trapezoid

  23. anonymous
    • one year ago
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    |dw:1438954292309:dw|

  24. muscrat123
    • one year ago
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    Triangle ABC with vertices A(4, −6), B(2, −8), and C(−10, 4) is dilated by a scale factor of 2 to obtain triangle A′B′C′. Which statement best describes triangle A′B′C′? It is similar to triangle ABC and has coordinates A′(2, −3), B′(1, −4), and C′(−5, 2). It is similar to triangle ABC and has coordinates A′(8, −12), B′(4, −16), and C′(−20, 8). It is congruent to triangle ABC and has coordinates A′(2, −3), B′(1, −4), and C′(−5, 2). It is congruent to triangle ABC and has coordinates A′(8, −12), B′(4, −16), and C′(−20, 8). there is no picture

  25. anonymous
    • one year ago
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    imagine it being cut like that

  26. anonymous
    • one year ago
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    dilation means scaled down so this thing reduced by half in size

  27. anonymous
    • one year ago
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    congruent means they are equal length in all sides

  28. anonymous
    • one year ago
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    you should know the answers by now

  29. muscrat123
    • one year ago
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    i know that i just dont know how to do it:(

  30. anonymous
    • one year ago
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    |dw:1438954561117:dw|

  31. anonymous
    • one year ago
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    now if we scale this down by a factor of 2 we cut down the length of all the sides of all sides by half

  32. muscrat123
    • one year ago
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    it is going to be similar bc we r cutting the size down to half

  33. anonymous
    • one year ago
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    yes similar but not congruent

  34. muscrat123
    • one year ago
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    what would be the coordinates?

  35. anonymous
    • one year ago
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    thats not very important, whats important is that you must know the distance between the points cannot be larger than the original triangle

  36. anonymous
    • one year ago
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    since this is a multiple choice question you can test it out

  37. anonymous
    • one year ago
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    divide the coordinates of the original triangle by 2

  38. muscrat123
    • one year ago
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    ?

  39. anonymous
    • one year ago
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    A(4, −6), B(2, −8), and C(−10, 4) New triangle: A (4/2, -6/2) B (2/2, -8/2) C (-10/2,4/2)

  40. muscrat123
    • one year ago
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    2,-3

  41. muscrat123
    • one year ago
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    is it a ?

  42. anonymous
    • one year ago
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    yep

  43. muscrat123
    • one year ago
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    Jamie has a deck of 60 sports cards, of which some are baseball cards and some are football cards. Jamie pulls out a card randomly from the deck, records its type, and replaces it in the deck. Jamie has already recorded six baseball cards and nine football cards. Based on these data, what is, most likely, the number of baseball cards in the deck? 12 15 24 30 c, correct?

  44. anonymous
    • one year ago
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    yea c

  45. muscrat123
    • one year ago
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    Which sequence of transformations will change figure PQRS to figure P′Q′R′S′? Counterclockwise rotation about the origin by 90 degrees followed by reflection over the x-axis Counterclockwise rotation about the origin by 90 degrees followed by reflection over the y-axis Counterclockwise rotation about the origin by 180 degrees followed by reflection over the x-axis Counterclockwise rotation about the origin by 180 degrees followed by reflection over the y-axis

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  46. muscrat123
    • one year ago
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    is it a?

  47. anonymous
    • one year ago
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    definitely the last 2 options

  48. muscrat123
    • one year ago
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    c?

  49. anonymous
    • one year ago
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    lemme check, i dont remember a thing about those already

  50. anonymous
    • one year ago
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    yea its A

  51. anonymous
    • one year ago
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    rotate to 4th quadrant then reflection to 1st quadrant from x-axis

  52. muscrat123
    • one year ago
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    really? i usually never get these right

  53. anonymous
    • one year ago
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    |dw:1438955704612:dw|

  54. muscrat123
    • one year ago
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    thank u so much i got a 93 :)

  55. anonymous
    • one year ago
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    a is the only option that fits in

  56. anonymous
    • one year ago
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    lol yw

  57. muscrat123
    • one year ago
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    will u be available later?

  58. anonymous
    • one year ago
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    maybe

  59. anonymous
    • one year ago
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    sometimes i fall asleep with my pc on

  60. anonymous
    • one year ago
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    if i dont reply within 20mins, im prolly sleeping or playing dota2

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