Answer:
the first one
Step-by-step explanation:
Answer: x=-2/3
Explanation: Heres what my calculator says!
After you divide it will give you -2/3 :)
Tan 2 pi/3= (sin2pi/3)/(cos2pi/3)= (sqrt 3)/2 dividend by (-1/2)= - sqrt 3
Answer:
20+2y
Step-by-step explanation:
20 pounds more would be an addition of 20 and twice would have to be represented by 2y because it is double John's weight y.
Answer:
1/3
Step-by-step explanation:
x-1/3 x=2/3
2/3-1/3 (same denominator)
=1/3