Answer:
18.84
Step-by-step explanation:
2r/2 is the circumference of half a circle. The radius is 6.
2(3.14)(6)/2 = 18.84
Answer:
4.5
Step-by-step explanation:
get variable by itself and then divide each side by factors w/o variables.
Answer:
Like Terms:
- ( and )
- ( and )
- ( and )
Step-by-step explanation:
Write the trinomial
Use distributive property
Combine like term
Answer: 7
Step-by-step explanation:
An exterior angle is equal to the sum of the two opposite inside angles.
45x = 25x + 57 +x
Simplify the right side:
45x = 26x +57
Subtract 26x from each side:
19x = 57
Divide each side by 19"
x = 57 / 19
x = 3