Answer:
1) is 40%
2) is 4,307
3) is 35
I think it's correct you can double-check. I apologize if it's wrong.
Step-by-step explanation:
The equation is 10x=2x+60
x=15/2
∠CFH=75
∠CBD= 75
We are dealing with parallel lines, which are the lines that are equidistant to each other and never meet, will never meet, when such lines are crossed by another line called the transversal creates many angles such as corresponding angles, vertical angles, alternate interior angles, alternate exterior angles, consecutive angles.
Since, angle CBD and angle CFH are the corresponding angles and they are equal to each other, we are given CBD=2x+60 and CFH = 10x
therefore , 10x=2x+60
=>10x-2x=60
=>8x=60
x=15/2
So, the angle CBD= 2x+60= 2(15/2)+60= 75
and the angle CFH = 10x= 10(15/2)= 75
To know more about parallel lines refer to the link brainly.com/question/16701300?referrer=searchResults.
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Answer:
4
Step-by-step explanation:
1+2+2+3+4+5+6+9=32
32/8=4
Answer:
95% Confidence interval: (5.5,8.5)
Step-by-step explanation:
We are given the following data in the question:
8,10,8,4,5,7,3,10,8
Sample size,n = 9
Population standard deviation = 2.3
Formula:
Sample mean = 7
95% Confidence interval:
Putting the values, we get,
is the required confidence interval for population mean.
