2x^2 + 8x - 12 = 0..divide by 2
x^2 + 4x - 6 = 0
x^2 + 4x = 6...add 4 to both sides of the equation
x^2 + 4x + 4 = 6 + 4
(x + 2)^2 = 10....<== ur constant is 10
x + 2 = (+-)sqrt 10
x = -2 (+ - ) sqrt 10
x = -2 + sqrt 10
x = -2 - sqrt 10
He uses 2 feet of the yard or... 4/6 hope this helped :3
Answer:
The answer is the last one
Step-by-step explanation:
Hope this helps
Answer:
24 over 10
Step-by-step explanation:
I did it in my head
You'd first have to find out what percentage of people would be 30 out of 100%