Which of the following sets represent A U B?

Mathematics

2 answers:

Black_prince [1.1K]3 years ago

5 0

Answer:

{2,3,4,6,8,9,10,12}

Step-by-step explanation:

The union of two sets is a new set that contains all of the elements

A U B = {2,3,4,6,8,9,10,12}

Vlad [161]3 years ago

3 0

Answer:

(6,12)

Step-by-step explanation:

The venn diagram shows 4 groups.

there are the numbers that represent A (3, 9)

and the numbers that show B (4, 2, 8, 10)

The ones that show C (1, 5, 7, 11)

And the ones that are both A and B (6, 12)

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X+3y = 2

nalin [4]

Answer:

The value of "x" is 5.

Step-by-step explanation:

In order to solve this system of equations, we first have to take the first equation and use it to represent "y" in terms of "x". We do that in the following way...

$x + 3y = 2\\3y = 2 - x\\y = \frac{2}{3} - \frac{x}{3}$

Now, we need to take the second equation and substitute "y" for the equivalent value in terms of "x". After doing this we will get the following equation, which we can solve to get the value of "x".

$4x - 3y = 23\\4x-3(\frac{2}{3} - \frac{x}{3}) = 23\\4x - 2 + x = 23\\5x - 2= 23\\5x = 25\\x = 5$