According to a large poll in a previous yearabout 80\% of homes in a certain county had access to high-speed internet. The following yearresearchers wanted to test H 0 :p=0.8 vee cr; H_{3} / p < 0.8 where p is the proportion of homes in this county with high-speed internet access They took a random sample of 250 homes from that county and found that 189 of them had access to high speed internet. The test statistic for these results was epsilon approx-1.74 ?

center (1,3) with radius 6

step-by-step explanation:

we must complete the square to find the center and radius of the circle.

first make sure the x and y squared terms have 1 as their coefficients. we also make sure x and y terms together.

we now create space between the x and y terms with parenthesis.

we complete the square by taking the middle terms -2x and the -6y - divide each and square them.

we add the squares to both sides.

simplify.

and write the quadratics in factored form.

the center is (h,k) or (1,3). the radius is the square root of 36 which is 6.

plz mark brainliest i took the test

let x and 400 - x be the two numbers.  

==> 0.80x + 0.85(400 - x) = 400 - 68 from the statement of the problem.  

< ==> 0.80x + 0.85(400 - x) = 400 - 68  

==> 340 - 0.05x = 332  

< ==> -0.05x = -8 ==> x = 160, the first number ==> 400 - x = 240, the second number.