X = (12 +- sqrt (144 -4(7)(3))/14
x = (12 + - sqrt (144 - 84))/14
x = (12 + - sqrt(60))/14
x = (12 + - 2sqrt 15))/14
x = (6 + - sqrt 15) / 7
Answer:
3
Step-by-step explanation:
if you plug in 3 for x, it becomes 2(3)-7=-1
then 6-7=-1
-1=-1
Answer:
go study yourself
Step-by-step explanation:
If the organizers of a race have a prize that they want each participant to have an equal chance of winning, the description of a fair method of choosing a winner for this prize is "<span>If the participants in the race each have a number, the organizers could select a number by putting slips of paper with each number into a box and randomly choosing one".</span>
