X^2 = 9x + 6
x^2 - 9x - 6 = 0
use quadratic formula : (-b (+-) sqrt b^2 - 4ac) / (2a)
a = 1, b = -9, c = -6
now we sub
x = (-(-9) (+-) sqrt -9^2 - 4(1)(-6)) / 2(1)
x = 9 (+-) sqrt 81 + 24)/2
x = 9 (+-) sqrt 105) / 2
x = 9/2 + 1/2 sqrt 105 or x = 9/2 - 1/2 sqrt 105
2x^2 - 11x + 5 = (2x-1)(x-5)
1280. 100% of students
X. 60% of student voting for Joan
X=1280•60/100
X=768
Answer:
Step-by-step explanation:

Answer:
As per the given condition:
A new shirt costs $14.99.
If the shirt has a sale for
off its price.
Now, we find how much you save on this shirt:
First find the
of $14.99
i.e,

⇒ you have the discounted value is $ 3 .
You pay for the shirt is: $14.99 -$ 2.998 = $11.992
Therefore, you would save $2.998 or $ 3 in buying your new shirt.