Quantcast

Got Homework?

Connect with other students for help. It's a free community.

  • across
    MIT Grad Student
    Online now
  • laura*
    Helped 1,000 students
    Online now
  • Hero
    College Math Guru
    Online now

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

heather040200 Group Title

Help! I give medals:) Pic below find the height and surface area of the right circular cylinder with the height equal to the diameter. Show work

  • one year ago
  • one year ago

  • This Question is Closed
  1. heather040200 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    Height=2r Volume-128pic

    • one year ago
    1 Attachment
  2. nickersia Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    Surface area of a circle is \[r ^{2} \pi \] Volume is surface area of a circle multiplied by height. So, 128 = 2r * r (squared)*P

    • one year ago
  3. heather040200 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    how do I solve for r?

    • one year ago
  4. nickersia Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    \[r ^{2}\pi * 2r = 182\] \[r ^{3}\pi=64 \] \[r = \sqrt[3]{20.37}\] r=2.73

    • one year ago
  5. heather040200 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    OOh ok LOL Thank You so much :)

    • one year ago
  6. nickersia Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    Numbers are weird, but that's the only way I see how it's done :)

    • one year ago
  7. heather040200 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    as long as the answer n work r right that's all that matter in math LOL

    • one year ago
    • Attachments:

See more questions >>>

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.