Please help I don’t understand what im supposed to do. My teacher said I have to put the whole number as a numerator and a 1 as
the denominator (thought this would help to get my specific answer)
2 answers:
Answer:
146 days.
Step-by-step explanation:
In a recent year, the weather was partly cloudy 2/5 of the days.
We are given that the year had 365 days.
So 2/5 of these 365 days means;
we multiply 2/5 and 365 days:
2/5 × 365 (putting 365 as the numerator and 1 as the denominator still gives the same answer);
×
=
That gives partially cloudy days.
Dividing that gives 146 partially cloudy days.
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So firstly, foil (x-8)(x-2):
Next, remember that the vertex lies on the axis of symmetry, and the equation to find the axis of symmetry is (a = x^2 coefficient, b = x coefficient). Solve for the axis of symmetry as such:
So now that we know that the axis of symmetry is x = 5, we also know that's the vertex's x-coordinate (since the vertex falls on the axis of symmetry). Now plug in 5 for x in the original equation to solve for f(5):
So putting it together, the vertex of this equation is (5,-9).