Answer:
A, C, D
Step-by-step explanation:
The sum of two irrational numbers may be rational:
√2 + (-√2) = 0
so that set is not closed under addition.
___
For any of the other sets, addition of two members of the set always results in another (not necessarily different) member of the set.
Um it doesn’t have a question, are we supposed to find the area or something?
Answer:
The answer to your question is -5k⁶
Step-by-step explanation:
Polynomial
- z³ + 5k⁶ - (-z³ + 10k⁶)
Use law of signs for the parenthesis
- z³ + 5k⁶ + z³ - 10k⁶
Use associative property for like terms
(-z³ + z³) + (5k⁶ - 10k⁶)
Simplify like terms
(0) + (-5k⁶)
Result
-5k⁶
Answer:
one dollar and 20 cents
Step-by-step explanation:
I divided 4.80 by four
The rectangle length is 16.5 cm.
The rectangle width is 5.5 cm.