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larisa86 [58]
2 years ago
12

A jacket used to cost $54. After a 40% discount, what is the new cost of the jacket?

Mathematics
1 answer:
8090 [49]2 years ago
6 0

Im pretty sure its $32.4

Step-by-step explanation:

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N=3, zeros 4 and 2i, f(2)=-48 find nth degree polinomonal function
enot [183]
The degree is 3, the zeros are; 4, 2i, -2i and a point is (-48, 2) 

For zeros; 2i, -2i <-- complex conjugates, always in pairs 

\frac{c}{a}=(2i)(-2i) &#10;
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\frac{b}{a}=-(2i+(-2i))
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Therefore the equation is; a(x^{2}+5) <-- b value is zero 

Rewrite the equation with all zeros; 

a(x-4)(x²+5)=f(x) <-- put in coordinates of the points to find the value of x
a(2-4)(2²+5)=-48 
a(2)(9)=-48 
a=-48/18 
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The final polynomial function is; (-8/3)(x-4)(x²+5)=f(x)

Hope I helped :)
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Step-by-step explanation:

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Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
Below are the answers:
<span>When (1, 2) is substituted into the first equation, the equation is false.
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Step-by-step explanation:

May you reword it? I don't quite understand.

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