Answer:
B
Step-by-step explanation:
X∩Y is the intersection of X and Y which contains only the common elements
X∩Y = { }
Since there are no common elements
Answer: Rational
Step-by-step explanation: 12 is a rational number because it can be expressed as the quotient of two integers: 12÷ 1
Answer:
23.876
Step-by-step explanation:
Answer:
x = 3
Step-by-step explanation:
3 ( x + 1 ) = 5 ( x- 2 ) + 7
Expand
3 x + 3 = 5 x - 10 + 7
Minus 5 x from both sides
- 2 x + 3 = - 10 + 7
Minus 3 from both sides
- 2 x = - 10 + 4
Simplify
- 2 x = - 6
Divide both sides by - 2
x = 3