Question

Does anyone know Algebra who could help me? Please do! I really need it!

Answer 1

What do you need? I'm in AP Calculus lol. I can help.

Answer 2

Thx, lol! This is hard!

Answer 3

3.03] A news agent conducted a survey among business magazine subscribers of a town and found that there was circulation of only three business magazines. He made the Venn diagram below to show the number of subscribers to each of the three magazines: Board Review, Strategy and Finance, and Investor Journal.

A Venn diagram, titled Magazine Subscription, indicating the number of subscribers to each of three magazines. Each of the three circles in the Venn diagram represents a magazine and the three circles are labeled Board Review (Set B), Strategy and Finance (Set S), and Investor Journal (Set J). The number of subscribers to only Set B is 196, the number of subscribers to only Set S is 133, and the number to only Set J is 232. The number of subscribers to all three magazines is 21. The number of subscribers to both Set B and Set S is 41. The number of subscribers to both Set B and Set J is 52. The number of subscribers to both Set S and Set J is 84.

How many subscribers belong to the set The union of J complement intersection S and B?

Answer 4

Anyone?
?
?

Answer 5

Do you know the inclusion/exclusion principle?
http://en.wikipedia.org/wiki/Inclusion%E2%80%93exclusion_principle
Let N(x) = number of elements is x and let \( M = \bar{J}\cap S\) and then find \( M \cup B\) via this principle:
\( N(M \cup B) = N(M) + N(B) - N(\bar{J}\cap B) \)
Hardest part is finding \( N(\bar{J}\cap B)\)

Answer 6

The phrasing of the question is ambiguous. Is " The union of J complement intersection S and B" can be \( J \cup \overline{S\cup B}\) or \( (\bar{J}\cap S) \cup B\)