A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

anonymous

  • one year ago

Which of the following is not a possible value of x? A.1 B.5.9 C.6 D.8

  • This Question is Closed
  1. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    |dw:1438043950354:dw|

  2. DanJS
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    law of cosines can figure out diagonal from the triangle with the 34. Then, same for the left triangle to figure out what that 5x - 1 should be.

  3. AakashSudhakar
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    You know that the expression (5x-1) represents the hypotenuse of the triangles bounding the rectangle. Let's just look at the triangle STU. Since it is a triangle, the Pythagorean Theorem asserts that the expression (5x-1) measurement of the hypotenuse MUST be greater in magnitude than either of the length magnitudes of the vector ST or TU. Carefully check the values given to you as options in the problem. Assume the higher number 8.56, since all you need is a value of x such that \[5x-1\le 8.56\] is true. As soon as that is true, the figure is falsified and proven impossible. Only one value option of the four makes the above expression true. Can you see which one it is?

  4. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    so A ? @AakashSudhakar

  5. AakashSudhakar
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    That's correct! X=1 is the only value that satisfies the inequality, which cannot be possible due to the nature of triangles.

  6. DanJS
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    i thought the arrow was the angle there.. sorry

  7. AakashSudhakar
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    For questions like these, you don't even need the rest of the rectangle or the angle measurement. All you need is the Pythagorean Theorem and the side values. Then it's just mathelogic from there.

  8. DanJS
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Is STU a right triangle for sure?

  9. AakashSudhakar
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    Oh goodness! My apologies @DanJS, you may be right... I just noticed that the opposite sides ST and UR are unequal, which certainly throws a monkey wrench into my train of thought.

  10. DanJS
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    yes, but you had the right idea i think, the longer side has to be greater than the sum of the other two sides

  11. DanJS
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    i dont remember the property name

  12. DanJS
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    5x - 1 > 8.56 + 4.16 still A is correct..

  13. AakashSudhakar
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    So long as the answer isn't confounded. Hopefully @DanJS and I were of some help, @NessaGee

  14. Not the answer you are looking for?
    Search for more explanations.

    • Attachments:

Ask your own question

Sign Up
Find more explanations on OpenStudy
Privacy Policy

Your question is ready. Sign up for free to start getting answers.

spraguer (Moderator)
5 → View Detailed Profile

is replying to Can someone tell me what button the professor is hitting...

23

  • Teamwork 19 Teammate
  • Problem Solving 19 Hero
  • You have blocked this person.
  • ✔ You're a fan Checking fan status...

Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.

This is the testimonial you wrote.
You haven't written a testimonial for Owlfred.