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

dannielle

At the end of the first day, 7 weeds appear in your neighborhood park. Each day, the number of weeds increases by four times. How many weeds will be in the park at the end of 14 days?

  • 2 years ago
  • 2 years ago

  • This Question is Closed
  1. mia0bbb
    Best Response
    You've already chosen the best response.
    Medals 0

    7 weeds x 4 x 14 days

    • 2 years ago
  2. lilg132
    Best Response
    You've already chosen the best response.
    Medals 1

    7 + (14 - 1) * 4

    • 2 years ago
  3. lilg132
    Best Response
    You've already chosen the best response.
    Medals 1

    59 weeds in the park at the end of 14 days

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

    it cant be, the answer choices are 71 626,349,395 392 35,456,231

    • 2 years ago
  5. mia0bbb
    Best Response
    You've already chosen the best response.
    Medals 0

    392 is the answer

    • 2 years ago
  6. mia0bbb
    Best Response
    You've already chosen the best response.
    Medals 0

    because 7 x 4 x 14 = 392

    • 2 years ago
  7. lilg132
    Best Response
    You've already chosen the best response.
    Medals 1

    oh wait we need to work out the sum

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

    yeah, but im feeling there is a formula to it or something, my teacher wouldnt make it that easy

    • 2 years ago
  9. mia0bbb
    Best Response
    You've already chosen the best response.
    Medals 0

    14( 7 x 4 )

    • 2 years ago
  10. lilg132
    Best Response
    You've already chosen the best response.
    Medals 1

    answer is 626349395

    • 2 years ago
  11. lilg132
    Best Response
    You've already chosen the best response.
    Medals 1

    i'm not sure of the formula but what i do know is we have 7 weeds on the first day and it multiplies by 4 each day and you do it 14 times and add all the figures up giving you 626349395

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

    alright, that does make sense, thank you !

    • 2 years ago
  13. lilg132
    Best Response
    You've already chosen the best response.
    Medals 1

    your welcome i will try and look for the formula for you

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

    thank you (:

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

    Use the compound interest formula: 7(4^14-1)/(4-1)=626349395 which is equivalent to 7(1+4+4^2+...4^13)

    • 2 years ago
  16. lilg132
    Best Response
    You've already chosen the best response.
    Medals 1

    thats what i was looking for :)

    • 2 years 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.