Question
Maths
Dec. 11, 2021, 7:16 p.m.
Answer
Find tht number of sides of a regular polygon whose each exterior angle has a measure of 45Degree
A laboratory blood test is 99% effective in detecting a certain disease when it is in fact present however the test also yields a false positive result 0.5% of the healthy person tested if 0.1 percent of the population actually has the disease what is the probablity that a person has the disease given that his test result is positive
Maths
Dec. 11, 2021, 5:17 p.m.
Answer
define the equivalence relationship S to the group
A= {1,2,…….,100} as S= {a,b) | [ 7/a = [7/b ] }
How many different valence groups result from the valence relationship?
NOTE: [ x ] is the integer value of x and is equal to the largest integer less than
or equal to x
Such [2.9]= 2,[2.1] = 2[8]=8
Derive the equation of the line passing through the points X1 Y1 and X2 Y2 and find the equation of the line passing through the points 47 and - 38
Maths
Dec. 11, 2021, 3:18 p.m.
Answer
Give an example of a relation which is neither symmetric nor reflexive
