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Brut [27]
3 years ago
11

Last night, the two dinner specials at Jennifer's favorite restaurant were salmon filet and steak. The restaurant served 72 spec

ials in all, 54 of which were the salmon filet. What percentage of the specials were salmon filets?
Write your answer using a percent sign (%).
Help please!
Mathematics
1 answer:
tamaranim1 [39]3 years ago
8 0
Dang that’s what you do with your phone and i just got a message lol i just don’t wanna see you i just
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What are the solutions of the equation (2x + 3)2 + 8(2x + 3) + 11 = 0
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Answer:

x=\frac{-7-\sqrt{5}}{2} or x=\frac{-7+ \sqrt{5}}{2}

Step-by-step explanation:

The given equation is

(2x+3)^2+8(2x+3)+11=0

Let us treat this as a quadratic equation in (2x+3).

where a=1,b=8,c=11

The solution is given by the quadratic formula;

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(2x+3)=\frac{-8\pm \sqrt{8^2-4(1)(11)} }{2(1)}

(2x+3)=\frac{-8\pm \sqrt{64-44} }{2}

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(2x+3)=\frac{-8\pm2\sqrt{5} }{2}

(2x+3)=-4\pm \sqrt{5}

(2x+3)=-4-\sqrt{5} or (2x+3)=-4+ \sqrt{5}

2x=-3-4-\sqrt{5} or 2x=-3-4+ \sqrt{5}

2x=-7-\sqrt{5} or 2x=-7+ \sqrt{5}

x=\frac{-7-\sqrt{5}}{2} or x=\frac{-7+ \sqrt{5}}{2}

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