Answer:
There are closed addition.
Step-by-step explanation:
Closure (mathematics) ... For example, the positive integers are closed under addition, but not under subtraction: is not a positive integer even though both 1 and 2 are positive integers. Another example is the set containing only zero, which is closed under addition, subtraction and multiplication.
So, 0,2,5 are closed addition
Please mark me brainliest.
Answer:
i really know but just add 65 and 75 then divide it by 2.
Step-by-step explanation:
Hope that was right!
Answer:
1400
Step-by-step explanation:
3.5% of listeners rated the song as 1 star
49 listeners rated the song as 1 star
49 listeners = 3.5% of listeners
we want to find 100% of listeners. we can do this by multiplying both sides of the equation by 100/3.5, getting one side to 100% and the other to what it is equal to
49 * 100/3.5 listeners = 100% of listeners = 1400
Answer:
The class width is 
Step-by-step explanation:
From the question we are told that
The upper class limits is 
The lower class limits is 
The number of classes is 
The class width is mathematically represented as

substituting values



Since
Answer:
x=13
Step-by-step explanation:
vertical opposite angles are equal.