HELP PLEASE ! 12) 12 13 + 2) + 9= ?

Mathematics

2 answers:

Dmitrij [34]3 years ago

7 0

I think I’ll be 11.4

valkas [14]3 years ago

6 0

Answer:

11.9230769231

Step-by-step explanation:

Don't ask I am a smarty

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jeyben [28]

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2 years ago

If n(A) = P and n(B)=q then n(AxB) is (a ) p (b ) q ( c ) p+q ( d ) pq

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By way of example, suppose A = {1, 2, 3} and B = {a, b, c}. Then the Cartesian product of A and B is

A × B = {{1, a}, {1, b}, {1, c}, {2, a}, {2, b}, {2, c}, {3, a}, {3, b}, {3, c}}

That is, each element in A gets a pairing with each element in B, and for each pairing you have n(A) choices for the first element and n(B) choices for the second element.

So if n(A) = p and n(B) = q, then n(A × B) = pq.

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3 years ago

HELP PLEASE ! 12) 12 13 + 2) + 9= ?​

HELP PLEASE ! 12) 12 13 + 2) + 9= ?