To add fractions they're suppose to have the same base or denominator then u add the top
To subtract it's the same but u subtract the top
If x and 71 degrees are side by side, it can be a complementary if it is exactly 90 degrees, supplementary if it is 180 degrees....
Answer:
if the diameter of the circle is 25, then the radius will be 12.5.
A=3.14(12.5)2 --> 490.9m^2
C= 2*3.14(12.5)---> 78.5 m
Hey, here's a pic of it ! hope this helps !
p.s., photomath is a good app for algebraic answers with work, you should check it out (:
Answer:
7
Step-by-step explanation:
2-(-8)+(-3)
2+8-3
10-3
7