90°
∠AEF is a right angle
∠CEF is a straight angle
m∠CEF = m∠CEA + m∠BEF
Answer:
7.9%
Step-by-step explanation:
568.01/7190=0.079=7.9%
Answer:
72.5°
Step-by-step explanation:
180° - 35° = 2y°
145° = 2y
145/2 = 50+22+0.5 = 72.5
Answer:
4/35 lottery is easier to win.
Step-by-step explanation:
For the 5/48 lottery, the winning probability is
≈0.1042
For the 4/35 lottery, the winning probability is
≈ 0.1143
Since
>
, the lottery where one chooses 4 of the numbers 1 through 35 is easier to win.
Answer:72 are boys.
Step-by-step explanation:
40%of 180 is 72.