Answer:
2.75 · 
Step-by-step explanation:
Hope this helps! :)
16,24,32,40.48,56,64,72,80,88
9514 1404 393
Answer:
28
Step-by-step explanation:
The diagonals of the parallelogram are AC and BD. The way the diagram is drawn, BD is the long diagonal, said to be 24 inches. AC is the short diagonal, said to be 12 inches.
Since AC bisects BD at point E, point E is the midpoint of BD. That means BE = (24 inches)/2 = 12 inches.
Since BD bisects AC at point E, point E is the midpoint of AC. That means EC = (12 inches)/2 = 6 inches.
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Now, we know the lengths of the sides of ΔBEC, so we can find its perimeter. The perimeter of any geometry is the sum of the lengths of its sides.
perimeter ΔBEC = CB +BE +EC
perimeter ΔBEC = 10 in + 12 in + 6 in = 28 in
The perimeter of triangle BEC is 28 inches.
They only have 3 left on the final CD:
12 + (.25 x 12) = 15
15 + (.8 x 15) = 3
I hope this helped!
~Travis
Answer: 83
Step-by-step explanation:
The confidence interval for population mean is given by :-
Given : The student obtained the following 95% confidence interval (in grams) for the population mean, (862,1028).
Here,
Lower limit of the confidence interval : 
(1)
Upper limit of the confidence interval : 
(2)
Subtracting (1) from (2) , we get
Hence, the margin of error = 83
