47. 12388980384689 would be the exact circumference of a circle witha diameter of 15 inches :)
Answer:
the first one if you solve it it will be the same and the second one 41/7
Step-by-step explanation:
Answer:
114, and 115
Step-by-step explanation:
114+115 = 229
Answer:
14
Step-by-step explanation:
The diameter of a circle is twice its radius
d=2r
Substitute 7 in for r
d=2*7
d=14
So, the diameter is 14
Hope this helps! :)
Answer:
and 
.
Step-by-step explanation:
We have been given a system of equations. We are asked to solve our given system.
From equation (1), we will get:
Upon substituting this value in equation (2), we will get:
Now, we will substitute in equation (1).
Therefore, the point 
is solution for our given equation.
