monk

a tire manufacturer believes that the tread life of its tires are normally distributed and will lst an average of 60,000 miles with a standard deviation of 3,000 miles. sixty-four randomly selected tires were tested and the average miles where the tire fa...

4y=6y-2x+1-> 2x-2y=1....eqn 1 4y+6y-2x+1+x+2y=28-> -x+12y=27....eqn2 multiply eqn2 by 2 to get -2x+24y=54.......eqn3 eqn1+eqn2 gives 22y=55 which implies that y=2.5 substitute y=2.5 in eqn1 to get 2x-2(2.5)=1-> 2x=6 therefore x=3

we are not cheating we are checking

its really just a practice and theres 11 questions. and i really need HHHHHHHHHHEEEEEEEEELLLLLLLPPPPPPPP i have good grades and not about to get bad grades pretty please help me.

i have 10

was that the actual sssniperwolf im such a big fan !!!!!!

Well someone help i cant fail this unit test please help me

and anonymous if your not going to help or be nice please go its kind of PASS THIS GRADE OR DO THE THING OVER AGIAN AND THAT SOUNDS LIKE A NIGHTMARE.

if i do the unit test in time i will post the answers

theres 5 quistions