4. Use the equation A = bh to calculate the
1 answer:
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Answer:
252 ft squared
Step-by-step explanation:
Since the radius of the circle is 3, then the diameter would be 6
Split the rectangle into 3
The way I split the shape is like the picture attached (with the blue lines).
Find the area of each rectangle which can be easily found by using the diameter of each circle (picture attached with black lines)
6*18=108
6*12=72
6*12=72
Add the areas of each rectangle.
108+72+72=252
Answer:
Standard deviation of given data = 3.16227
Step-by-step explanation:
<u><em>Step(i)</em></u>:-
Given sample size 'n' = 5
Given data 4, 6,8,10,12
Mean of the sample x⁻ = 8
Standard deviation of the sample
<u><em>Step(ii)</em></u>:-
Given data
x : 4 6 8 10 12
x-x⁻ : 4 - 8 6-8 8-8 10-8 12-8
(x-x⁻) : -4 -2 0 2 4
(x-x⁻)² : 16 4 0 4 16
S.D = √10 = 3.16227
<u><em> Final answer</em></u>:-
The standard deviation = 3.16227