Mav went shopping for a new video game because of a sale. The store was offering a 15% discount. What number should she multiply
1 answer:
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Answer:
Step-by-step explanation:
From the question we are told that:
Loudness function
Sound of a person
Number of persons talking
Generally the Relative intensity for 20 people is mathematically given by
Relative intensity for
Relative intensity for
Generally the loudness for 20 people is mathematically given by
Therefore increase in loudness X is given as
ANSWER
The vertex is (-2,1)
EXPLANATION
We want to find the vertex of
We complete the square to obtain,
The first three terms forms a perfect square trinomial.
The vertex form is
This equation is in the form;
where (h,k)=(-2,1) is the vertex.
The vertex is (-2,1)
EXPLANATION
We want to find the vertex of
We complete the square to obtain,
The first three terms forms a perfect square trinomial.
The vertex form is
This equation is in the form;
where (h,k)=(-2,1) is the vertex.