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anonymous

  • one year ago

Which of the following is not a Pythagorean triple? A. 28, 45, 53 B. 16, 63, 65 C. 13, 84, 85 D. 11, 61, 62

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  1. Vocaloid
    • one year ago
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    a pythagorean triple will satisfy the equation a^2 + b^2 = c^2 for each answer choice, plug in the values for a, b, and c, and if the equation is satisfied, then it is a pythagorean triple

  2. anonymous
    • one year ago
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    what do you mean satisfied?

  3. Vocaloid
    • one year ago
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    "satisfied" means the equation is true (both sides of the equal sign are equal)

  4. anonymous
    • one year ago
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    im confused

  5. Vocaloid
    • one year ago
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    for example, we can look at answer choice A and let a = 28, b = 45, and c = 53. if a^2 + b^2 = c^2 then the equation is satisfied

  6. anonymous
    • one year ago
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    784 +2025 = 7809

  7. Vocaloid
    • one year ago
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    for answer choice A, a = 28 b = 45 c = 53 a^2 + b^2 = c^2 28^2 + 45^2 = 53^2 784 + 2025 = 2809 2809 = 2809 since both sides of the equal sign are equal, the equation is satisfied, and this is a Pythagorean triple (meaning, A is not the answer) keep going until you find the answer choice that ISN'T satisfied

  8. anonymous
    • one year ago
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    so the answer would be C

  9. Vocaloid
    • one year ago
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    nope, check your math again

  10. anonymous
    • one year ago
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    13, 84, 85 13 ^2 = 169 84^2 = 7056 7225

  11. Vocaloid
    • one year ago
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    7059 + 169 = 7225 7225 = 7225 the equation is satisfied, so C is not our answer... please keep going with the other choices...

  12. anonymous
    • one year ago
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    D. 11, 61, 62 11 x11 = 121 61 x 61 = 3721 3844 = 63x63

  13. Vocaloid
    • one year ago
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    right, D is our answer because 121 + 3721 is NOT equal to 3844

  14. anonymous
    • one year ago
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    thank you

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