Answer:

Step-by-step explanation:
- The sum of exterior angles of a polygon is equal to 360 degrees

Answer:
X has an infinite number of solutions
or
0 = 0
Step-by-step explanation:
<em>Hey there!</em>
Given,
523x = 523x
Simplify
523x = 523x
-523x to both sides
0 = 0
<u>So x has an infinite number of solutions.</u>
<em>Hope this helps :)</em>
Answer:
66.67% probability of selecting a black marble from the bag.
Step-by-step explanation:
Initially there are 16 marbles, 10 of which are black and 6 of which are red.
A red marble is drawn and not put back. So now there are 15 marbles, of which 10 are black.
So there is a 10/15 = 2/3 = 0.666% 7 = 66.67% probability of selecting a black marble from the bag.
The square root of 25 is 5, so each side is 5metres x