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sammy [17]
3 years ago
10

Which two values of X are roots of the polynomial below?​

Mathematics
1 answer:
VARVARA [1.3K]3 years ago
7 0

Answer:

C and D

Step-by-step explanation:

As determinant of this quadratic equation is given by-

(-b±√(b²-4ac))/2a

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neonofarm [45]

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3 years ago
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(10 POINTS AND BRAINLIEST)
bekas [8.4K]

Answer:

A.) 15.60=11.40+10x

Step-by-step explanation:

okay we know kathy spent 15.60 in total at the post office

so we know 15.60 will be after the equal sign.

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and rest of money was on stamps.

15.60-11.40= 4.20

so she used 4 dollars and 20 cents for stamps if she bought 10 we need to divied 4.20/10=0.42

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5 0
3 years ago
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