Answer: 70 miles
Step-by-step explanation: scince the trip is 30% finished and that 30% was 21 miles you just have to multiply 21 by 3 which is 63and than you have to figure out what 1 third of 21 is which is 7 and than you just have to add 7 to 63. Hope this helps
Answer: a) 453 b) 1537
Step-by-step explanation:
As per given , we have
Margin of error : E= 0.025
Critical value for 95% confidence interval : 
a) The prior estimate of population proportion : p=0.08
Required sample size :-
The minimum sample size is 453 U.S. adults.
b) Since the prior estimate of population proportion is not available , so we take p= 0.5
Required sample size :-
The minimum sample size is 1537 U.S. adults.
Answer:
π (3.14) seconds
Step-by-step explanation:
T = 2π√(L/32)
T = 2π√(8/32)
T = 2π√(1/4)
T = 2π(1/2)
T = π
It will take π seconds for the pendulum to complete a full cycle if the pendulum is 8 feet long
Answer:cap
Step-by-step explanation:
The sum of interior angles in a regular octagon equals 1080 degrees.
So 1080 / 8 = 135
z = 135
