Which best describes the circumcenter of a triangle ?
2 answers:
Answer:
(D)
Step-by-step explanation:
Circumcenter of the triangle is the point at which the perpendicular bisectors of the sides of a triangle intersect and which is equidistant from the three vertices.
From the figure drawn, E is the circumcenter of the triangle at which the perpendicular bisectors of the sides of a triangle ABC intersects and which is equidistant from the three vertices that are A, B and C.
Thus, the option which best describes the circumcenter of a triangle is (D.) the point where the perpendicular bisectors of the three sides of the triangle intersect.
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Answer:
Step-by-step explanation:
information given
represent the sample mean
represent the population standard deviation
sample size
represent the value that we want to test
represent the significance level for the hypothesis test.
z would represent the statistic
represent the p value for the test
Hypothesis to test
We want to test if the true mean is less than 12, the system of hypothesis would be:
Null hypothesis:
Alternative hypothesis:
The statistic is given by:
(1)
Replacing the info given we got:
We can replace in formula (1) the info given like this:
Answer:
C. y<3
Step-by-step explanation:
We are required to determine the solution set of the inequality
Step 1: Add 9 to both sides
Step 2: Divide both sides by 15
The solution set of the given inequality is: y<3.
The correct option is C.