Answer:
The midpoint is 5
Step-by-step explanation:
we know that
The formula to calculate the midpoint between two numbers is

we have

substitute



therefore
The midpoint is 5
To write 81/450 as a percent have to remember that 1 equal 100% and that what you need to do is just to multiply the number by 100 and add at the end symbol % .
<span>
81/450 * 100 = 0.18 * 100 = 18% </span>
81/450 as a percent<span> equals </span><span>18%</span>
Answer:

Step-by-step explanation:
The sum of the interior angles of a triangle add up to
. Therefore, an equiangular triangle will have each of its angles equal to
. We can then set up the following equation:
.
Answer:
15 + .5x = 25
Step-by-step explanation:
.5x = 10
x = 20
Answer:
false
Step-by-step explanation: