What elements are found in the universal set but not in sets an or b?

Mathematics

1 answer:

GaryK [48]2 years ago

8 0

Answer:

Complement of a Set If U is a universal set and A is a subset of U, then the set of all elements in U that are not in A is called the complement of A and is denoted Ac.

Step-by-step explanation:

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2d +9= 19<br> The solution is d =

Novosadov [1.4K]

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2d +9= 19

The solution is d =

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Hello there, first we can place our equation, which you have stated

$2d+9=19$ , this algebra, in algebra we want to find the exact value of the variable, or have the variable on one side of the equation.

First we can subtract $9$ with both sides of the equation giving us the result of $2d=10$ , this can also be represented as $2\cdot d=10$ , now just divide both sides of the equation by $2$ , our answer is $d=5$ .