Consider this system of equations, where function fis quadratic and function g is linear:

Mathematics

1 answer:

borishaifa [10]2 years ago

7 0

You can use this to help you to find the answer

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Since there's three more games, they've had 13 so far.

There are 27 combinations of outcomes.

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A cashier earns $7 an hour. if x is the number of hours worked, which function represents the cashier’s earnings? y = 7x y = x s

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Answer:

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Nuetrik [128]

Step-by-step explanation:

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4. The reflecting dish of a parabolic microphone has a cross-section in the shape of a parabola. The microphone itself is placed

elixir [45]

Assume the parabola is placed on a graph where the x-axis is the top of the dish.
The vertex is then at (0,-30) The x-intercepts or zeros are at (-30,0) and (30,0)

The equation of such parabola would be:
$y = a(x+30)(x-30)$
Plug in vertex to find value of 'a'
$-30 = a(0+30)(0-30) \\ \\ a = \frac{-30}{(-30)(30)} = \frac{1}{30}$

Now find the focus given that $p = \frac{1}{4a}$
$p = \frac{1}{4(1/30)} = \frac{30}{4} = 7.5$

Answer: the microphone should be placed 7.5 inches from vertex.

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Please help which system of inequalities is represented by the graph

lapo4ka [179]

Your anwser is c. Y>1 y-x>0

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3 years ago