View the step-by-step solution to:

Question

1,One pump can empty a pool in 3 days, whereas a second pump can empty the pool in 11 days. How long will it take

the two pumps, working together, to empty the pool? (Fractional answers are OK.)


The first pump's rate is   per day.


The second pump's rate is  per day.


The combined pumps rate is   per day.


It will take the two pumps   days to empty the pool together.


2, Simplify: 8 x x − 5 + 6 ( x − 5 ) 2


3,Simplify and enter answer as a reduced fraction.

18 2 12 7

Recently Asked Questions

Why Join Course Hero?

Course Hero has all the homework and study help you need to succeed! We’ve got course-specific notes, study guides, and practice tests along with expert tutors.

  • -

    Study Documents

    Find the best study resources around, tagged to your specific courses. Share your own to gain free Course Hero access.

    Browse Documents
  • -

    Question & Answers

    Get one-on-one homework help from our expert tutors—available online 24/7. Ask your own questions or browse existing Q&A threads. Satisfaction guaranteed!

    Ask a Question
Ask Expert Tutors You can ask bonus questions You can ask questions ( expire soon) You can ask questions (will expire )
Answers in as fast as 15 minutes