Answer:
6π inches/min
Step-by-step explanation:
he tip of the second hand makes a complete circle in
60 sec, or 1min
The length of this circle is the circumference, C
C=2πr
Given: r=8 in
C= 2π×8 =16π
C= 16π
The linear velocity is 6π/1 = 6π inches/min
Answer:
B, 8+12
Step-by-step explanation:
2 + 3 is 5, 4 × 5 = 20
Therefore the only option which equals 20 is B.
Answer:
273.94 hours.
Step-by-step explanation:
1 day = 0.75 hours of practicing in a day.
365.25 = x
1/365.25 = 0.75/x Cross multiply
x = 0.75 * 365.25 Combine
x = 273.94 hours