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Anit [1.1K]
3 years ago
14

GUYSSSS PLEASEEEEEEEEEE HELP!!!!!! Your friend is using Descartes’ Rule of Signs to find the number of negative real roots of

mg src="https://tex.z-dn.net/?f=x%5E%7B3%7D%20%2Bx%5E%7B2%7D%20%2Bx%2B1%3D0" id="TexFormula1" title="x^{3} +x^{2} +x+1=0" alt="x^{3} +x^{2} +x+1=0" align="absmiddle" class="latex-formula">. Describe and correct the error. Correct answer will get brainliest.
Mathematics
1 answer:
jeka57 [31]3 years ago
7 0

Answer:

your answer should be a

Step-by-step explanation:

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Answer:

x= -19

y= -14

Step-by-step explanation:

Substitution.

It tells you what y is already. You substitute that into the second equation and then solve. Then you use that answer and substitute it back into the first equation's x, and then you'll get your full answer.

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2 years ago
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goblinko [34]

Answer: Keith spent 3 hours renting the surfboard.

Step-by-step explanation:

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and if you want to check you can do

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Step-by-step explanation:

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3 years ago
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