Answer:
so the sides would have to be equal for all sides
2x-3=3x-8 -3=x-8 x=5
x-12, 4x-1, neither, or both?
2x-3=x-12 x-3=-12 x=-9
4x-1=3x-8 x-1=-8 x=-7
2x-3=4x-1 -3=2x-1 -4 = 2x x=-2
3x-8=x-12 2x-8=-12 2x=-4 x=-2
So the answer is neither or C
Answer:
If the confidence level is increased from 90% to 99% for an SRS of size n , the width of the confidence interval for the mean μ will <u>increase</u>.
Step-by-step explanation:
We have been given an incomplete statement. We are supposed to complete the given statement.
If the confidence level is increased from 90% to 99% for an SRS of size n , the width of the confidence interval for the mean μ will:
We know that when confidence level decreases from a value to a lower value, then the confidence interval for the mean decreases.
When confidence level increases from a value to a higher value, then the confidence interval for the mean increases.
When we will increase the confidence level from 90% to 99%, the width of the confidence interval for the mean will also increase, so it will become wider.
Therefore, the correct word for our given statement is increase.
Answer:
135°
Step-by-step explanation:
The sum of interior angles in this rectangle is equal to 720
Two of the angles are right (has 90°)
so 4x + 180 = 720 subtract 180 from both sides
4x = 540 divide both sides by 4
x = 135°
Answer:
A
Step-by-step explanation:
Arc length is given by the formula:
Where <em>r </em>is the radius and θ is the central angle, in degrees.
The windshield wiper has a radius of 20 inches and a central angle of 150°. Hence:
Use a calculator:
Our answer is A.
