Got Homework?
Connect with other students for help. It's a free community.
Here's the question you clicked on:
← 55 members online
 0 viewing
aceace
Group Title
The sum of two numbers is 20. Find the numbers and their product if their product is a maximum.
 2 years ago
 2 years ago
aceace Group Title
The sum of two numbers is 20. Find the numbers and their product if their product is a maximum.
 2 years ago
 2 years ago

This Question is Closed

BAdhi Group TitleBest ResponseYou've already chosen the best response.1
x+y=20 C=xy =x(20x) =20xx^2 if you know calculus, dC/dx=202x=0 x=10 (when maximum) y=10 if not, C=(x10)^2+100 C becomes maximum when x=10 ((x10)^2>0) x=10 when maximum y=10
 2 years ago

aceace Group TitleBest ResponseYou've already chosen the best response.0
thanks i get it... i'll do it the noncalculus way XD
 2 years ago
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
 Engagement 19 Mad Hatter
 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.