Answer:
472.2 km
Step-by-step explanation:
Answer:
9
Step-by-step explanation:
4*9-11= 36 -11 = 25
Answer:
7/10 or 0.7
Step-by-step explanation:
hope it helps
Answer:
Step-by-step explanation:
Probability of winning a game = 0.34
a) Probability of winning two games simultaneously = .34 x .34 =.1156
b) Probability of winning 3 games in a row = .34³
c) Probability of winning three chess games in a row and failure in the fourth = .34³ x ( 1-.34)
c)
Step-by-step explanation:
The perpendicular distance between the chord and the center of the circle forms a right triangle with the chord and the radius. Using trig:
sin 30° = x / (D/2)
sin 30° = 2x / D
1/2 = 2x / D
x = D/4