A community for students.
Here's the question you clicked on:
 0 viewing
anonymous
 5 years ago
there are 12 books on algebra and calculus in a library ,the books on the same subject being different . if the numbr of selections each of whish consists 3 buks on each topic is greatest, then the numbr of books of algebra and calculus in the library is.........
a.3 & 9 b.4 & 8 c.5 & 7 d..6 & 6
anonymous
 5 years ago
there are 12 books on algebra and calculus in a library ,the books on the same subject being different . if the numbr of selections each of whish consists 3 buks on each topic is greatest, then the numbr of books of algebra and calculus in the library is......... a.3 & 9 b.4 & 8 c.5 & 7 d..6 & 6

This Question is Closed

Yuki
 5 years ago
Best ResponseYou've already chosen the best response.0Since the group of 3 books can be found by combination, why don't we use that ?

Yuki
 5 years ago
Best ResponseYou've already chosen the best response.0for example, if algebra was 3 and calculus was 9, then the total number of ways that you can chose from those would be 3 * 9 = 27.

Yuki
 5 years ago
Best ResponseYou've already chosen the best response.0because there are 3 ways to choose an alg. book and 9 ways to choose a calc. book.

Yuki
 5 years ago
Best ResponseYou've already chosen the best response.0so among a,b,c,d in your choice, you just choose the one that has the biggest value.

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0whats the value of log5 512

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0without using calculator..

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0conditions are give like this as...log 2 = 0.3010 and log 3 = 0.47771

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0so whats the value of log base5 512.?

Yuki
 5 years ago
Best ResponseYou've already chosen the best response.0why don't you use the fact that 512 = 2^9 ?

Yuki
 5 years ago
Best ResponseYou've already chosen the best response.0so log_5 (2^9) = 9 log_5 (2)

Yuki
 5 years ago
Best ResponseYou've already chosen the best response.0if you know how to use the change of base then that's what you will do next

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0idk to change the base....m the student preparing for medicine i dnt have much knowledge in math.:)

Yuki
 5 years ago
Best ResponseYou've already chosen the best response.0the change of base looks like this \[loga(b) = (logc(b))/(logc(a))\]

Yuki
 5 years ago
Best ResponseYou've already chosen the best response.0c is any number you would like it to be, in your case the base seems to be 10 since log(2) is given. Just to let you know, we also need a log(5) as well, so make sure that your given numbers have it. If not, you can't solve this one.

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0and the option is given like this a.2.70 b.2.967 c.3.876 d.3.912

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0so is option no c is correct.
Ask your own question
Sign UpFind more explanations on OpenStudy
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.