Quantcast

A community for students. Sign up today!

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

agillogly

  • 2 years ago

help please.

  • This Question is Closed
  1. agillogly
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

  2. MrMathmatician
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    The awnser is Deh

  3. phi
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    |dw:1339443442759:dw| use pythagorean theorem to find the hypotenuse (length of the vector)

  4. agillogly
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    like a^2+b^2=c^2? that would be 27.

  5. phi
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    (-3)^2 + 6^2 = c^2 c^2= 9+36 = 45 can you find c?

  6. phi
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    sqrt(45) which you can simplify by noticing sqrt(45)= sqrt(5*9)

  7. agillogly
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    6.71

  8. phi
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    But you want to use the same form that the answers are in. sqrt(45)= sqrt(5*9) can you simplify this?

  9. phi
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    It is handy to know sqrt(a*b)= sqrt(a) * sqrt(b)

  10. agillogly
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    [3\sqrt{5}\]

  11. phi
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    yes. Choice A

  12. phi
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    btw, notice that the length of the vector has to be bigger than 6 (its x component). (Lengths will always be positive). So you could eliminate choices B and D immediately.

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

    Search OpenStudy
    • Attachments:

Ask your own question

Ask a Question
Find more explanations on OpenStudy

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.