The answer is 10.the unknown number is 25.
Answer:
Step-by-step explanation:There are other kinds of numbers that can be graphed on the number line, too. ... which are natural numbers and which are whole numbers is to think of a “hole,” which can be represented by 0. ... Notice that distance is always positive or 0.
The answer is:
(Option 1).
(Option 4).
(Option 5).
The explanation for this answer is shown below:
1. The commutative property of addtion establishes that if you change the order of the addends, the sum will not change.
2. Let's say that
and
are real numbers, Then they can added them to obtain a result
:

3. If you change the order, you will obtain the same result:

4. Therefore, the only options that show the applicaction of this property, are the options shown above.
Answer:
c
Step-by-step explanation:
I I don't even know why it seems I just chose that because
Answer:
60 hours
Step-by-step explanation:
Let X be the total capacity.
Inlet speed: X/15
Outlet speed: X/20
Combined:
X/15 - X/20 = X/60
X/60 = X/time
Time = 60 hours