Answer:
10.5
Step-by-step explanation:
because 10.5x2=21. and 45+13+21=79, 100-79= 21.
Answer:
x = 9
Step-by-step explanation:
Since the angle is bisected by rhe segment then the ratio of the sides to the corresponding parts of the base are equal, that is
=
( cross- multiply )
20x = 180 ( divide both sides by 20 )
x = 9
Tan of an angle = perpendicular / base
<span>Here, perpendicular is the side of the triangle opposite the angle. </span>
<span>And base is the arm of the angle other the hypotenuse. </span>
<span>If the side of the triangle to be found (marked as ? in the figure) is x, then </span>
<span>perpendicular = 20 feet </span>
<span>base = x </span>
<span>so, tan 30 = 20/x </span>
<span>so, x = 20/(tan 30 degrees) = 34.64 feet </span>
<span>= 35 feet to the nearest foot</span>
When x equals 2 you have to plug in 2 for x in your equation, which would be y= 4(2)+2 = 8+2 =10 Final answer: 10
Answer: (103.74,112.06)
Step-by-step explanation:
The confidence interval for population mean is given by :_

Given : Sample size : n= 50
Sample mean : 
Standard deviation : 
Significance level : 
Critical value : 
Then the 95% confidence interval for the student IQ in the school will be :-

Hence, the 95% confidence interval for the student IQ in the school= (103.74,112.06)