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kuuleilani
05.05.2020 •
Mathematics
A student is solving the equation 0=x^2-9x-6.using the quadratic formula. Which value is the negative real number solution to her quadratic equation? Round to the nearest tenth if necessary.
X=-b+/b^2-4ca
/2a
A=0.6
B=-1
C=-6
D=9.6
Solved
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Ответ:
1 - 1/3 = 2/3 of salad left
We don't know how many friends will come, so let's assume it's x of them who will visit you. In such case we have to divide 2/3 by x friends:
2/3 ÷ x =
= 2/3 * 1/x =
= 2/3x
Each friend will get 2/3x of the salad.