Answer:
DAB = BCD
Step-by-step explanation:
DAC = BAC = 90 degrees and DAB = ABC = 90 degrees don't work because they're both equilateral triangles and don't have a right angle that would equal 90. DAB = ABC are clearly not congruent so the answer is DAB = BCD. Also DAB = BCD share the same midsection line.
Answer:
115
Step-by-step explanation:
set up the equation to find x:
GFN+NFG=GFE
(4x+10)+(14x+3)=157
calculate for x
you'll get x=8
put 8 into NFE
14(8)+3=115
The given values are:
p = 22% = 0.22
Zc = 1.645 at 90% confidence level.
margin of error, E = 0.04
The formula we can use here is:
E = sqrt(pq/n) * Zc
0.04 = sqrt(0.22*(1-0.22)/n)*1.645
n = (0.22*(1-0.22))*(1.645/0.04)^2
n = 290.22
hence minimum sample size = 290
Answer: (-2,4)
Step-by-step explanation:
Take the average of the x-coordinates and the average of the y-coordinates
(1-5)/2=-2
(1+7)/2=4
Answer:
Following are the solution to the given question:
Step-by-step explanation:
The data provided
Statistics descriptive: data
Sum of total
Variable Count Mean StDev Variance Sum Squares
Data ![1\ \ 12 \ \ 1.6810 \ \ 0.00429 \ \ 0.00002 \ \ 20.1720 \ \ 33.9093](https://tex.z-dn.net/?f=1%5C%20%5C%2012%20%5C%20%5C%201.6810%20%5C%20%5C%200.00429%20%5C%20%5C%200.00002%20%5C%20%5C%2020.1720%20%20%5C%20%5C%2033.9093)
Null hypothesis: ![H_o: \mu= 1.68](https://tex.z-dn.net/?f=H_o%3A%20%5Cmu%3D%201.68)
The alternative hypothesis:
(The tailed two test)