∠DCB = 128° and ∠ECD = 52°
Given
x=0 and x =10 and x1, x2, x3, x4 are the midpoints of five equal intervals
Answer
The 5 equal intervals are 2 , 4 , 6, 8 10
Mid points are 1, 3 , 5 , 7 , 9
Option B is correct
Answer:
51.7037037037
Step-by-step explanation:
But estimated, probably 51.7 or 52
Answer:
1/1560
Step-by-step explanation:
The chance of you winning is 1/40, since there are 40 students and you are one of those students. Since, you cannot win again once you win once, you are eliminated. This leaves us with 39 people left. The chances of your friend being chosen out of the 39 people left is 1/39. Now you must multiply 1/40 and 1/39. After multiplying, you get 1/1560.
