Ask
your own question, for FREE!
Mathematics
33 Online
Find two positive numbers such that the sum of the first and twice the second is 120 and whose product is a maximum.
Still Need Help?
Join the QuestionCove community and study together with friends!
x + 2y = 120 2xy is a maximum combinig P = 2xy = x(120 - x) differentiate dP/dx = 120 - 2x = 0 for maxm/minm so x = 60 second derivative = -2 so this gives maximum 60 + 2y = 120 so y = 30 your 2 positive numbers are 60 and 30
Thanks! Can you help me with this one too?... Find the length and width of a rectangle that has an area of 968 square feet and whose perimeter is a minimum.
sorry guy - its very late here in UK and i gotta get up early
It's okayy
Can't find your answer?
Make a FREE account and ask your own questions, OR help others and earn volunteer hours!
Join our real-time social learning platform and learn together with your friends!
Join our real-time social learning platform and learn together with your friends!
Latest Questions
gelphielvr:
Is there a gender neutral pronoun in German? Like a non gendered pronoun that you
Yosad930:
okay ik this is such a random question and i dont even know many people who knows about this much bout its bout the marines.
Breathless:
idk why but am taking it kinda slow on this one BUT it is looking good!
struglynnnn:
7(3+2x) + x =66 whats the value of x and what steps did u follow to find the valu
XxXImHerXxX:
you call me u201cfriendu201d with a grin made of glitter and glueu2014 it sparkles, but it doesnu2019t hold.
danielfootball123:
Poem about a certain month of my life Driving to a destination wasting all creati
DonaldTrumpofQC:
In 1893, a one-million acre area of the Grand Canyon National Forest Reserve was home to an estimated 3,000 Rocky Mountain mule deer.
10 hours ago
2 Replies
0 Medals
1 hour ago
15 Replies
5 Medals
1 hour ago
14 Replies
7 Medals
16 hours ago
2 Replies
1 Medal
19 hours ago
35 Replies
2 Medals
1 hour ago
7 Replies
4 Medals
1 day ago
6 Replies
2 Medals