The given 2 cm is the length of the arc that the second hand had traveled for 15 seconds. Since the second hand completes a whole revolution in 60 seconds, it traveled approximately 1/4 of its circumference for 15 seconds. The length of the second hand is the radius of the circle.
2 cm = (1/4) x 2π x (L)
Solving for L gives an answer of 1.273 cm. Thus, the answer is the second choice, 1.3 cm.
Answer:
Step-by-step explanation:
V = 1/3 * pi * r^2 * h
r = ?
pi = 3.14
h = 17 cm
3*V = pi * r^2 h = r^2 Divide by pi
3*V/pi = r^2 h = r^2 Divide by h
3*V/(pi*h) =r^2 Take the square root of the left to get just r
sqrt(3*V/(pi*h)) = r Now solve the equation.
sqrt(3*538.25 /(3.14*17)) = r
sqrt(1614 / 53.38) =
r = sqrt(30.24)
r = 5.493
The percent of total calories from fat is 60%
Step-by-step work:
190 calories is the total amount of calories in the chicken nuggets and 114 calories are from fat so you could write that as:
114/190
now remember that a “/“ also means divide, so divide the fraction:
114/190 = 0.6
0.6 is the decimal form of 114/190
then since percentages are out of 100, you multiply it by 100:
0.6 • 100 = 60
and 60% is your final answer!
Answer:
Step-by-step explanation:
