Answer:
41/24 or 1 17/24
Step-by-step explanation:
2 3/8=19/8
-2/3+19/8
-16/24+57/24
41/24
To find the area of the trapezoid you add the two bases then multiply by the base and divide by 2.
B1+b2= 24+16=40
40*h=40*12=480
480/2=240
D. 240 square feet.
-7x^2 - 6x^2 + 3x + 5x - 5 + 2
-13x^2 + 8x - 3
Answer:
Mean = 200
Variation = .83
SD = .17
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Answer: 0.701
Step-by-step explanation:
Formula :
, where
significance level ,
Population standard deviation, n= sample size.
As per given, n= 22

Critical z- value for 90% confidence level : 
Then,

Hence , error bound (EBM) of the confidence interval with a 90% confidence level= ± 0.701