Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions


1/s+1/b=1/(7/2); s-small pipe; b-big pipe; 1/14+1/b=2/7; 7/14+7/b=2; x(14) 7+98/b=28; 7b+98=28b; 21b=98; b=98/21; -
0 0 0
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts