In community x (population 20,000), an epidemiologist conducted a prevalence survey in january of 2012 and reported an hiv prevalence of 2.2%. over the next 12 months, the department of health reported an additional 50 new hiv cases between february 2012 and january 2013. the total population stayed constant at 20,000.calculate the incidence rate assuming no hiv-related deaths over the 12-month period. present or describe the formula you used to arrive at your answer. be sure to clearly indicate the numerator and denominator used in your calculation and include an appropriate label for the rate.

46.2+112.3

step-by-step explanation:

table 3 represents a direct variation function. : )

is there a picture

step-by-step explanation:

system of linear equation

step-by-step explanation:

as given in the data

a= 20 , b= -12

let us suppose that it is a straight line equation

now we know the formula for the system of linear equation

b= ma + c )

here m is slope of a straight line which is equal to formula

m=   (ii)

and here c is a constant

now putting the value of a and b in equation (ii)

m=

m=

putting the value of a,b and m in equation (i) gives us

-12 = + c

-12=-12 + c

adding 12 to both sides

-12 +12 = -12 +12 +c

0 =c

or c=0

as the value of the constant is zero which gives us that it is a linear equation and this order pair satisfies the system of linear equations.