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kupik [55]
2 years ago
5

Select the two values of x that are roots of this equation.

Mathematics
1 answer:
charle [14.2K]2 years ago
7 0

Answer:

x1 =  \frac{ - 3 -  \sqrt{33} }{2}  \\ x2 =  \frac{ - 3  +  \sqrt{33} }{2}

Step-by-step explanation:

x =  \frac{ - b +  -  \sqrt{ {b}^{2}  - 4ac} }{2a}   \\ =  \frac{ - 3 +  -  \sqrt{9 + 24} }{2}  \\ x1 =  \frac{ - 3 -  \sqrt{33} }{2}  \\ x2 =  \frac{ - 3  +  \sqrt{33} }{2}

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PLEASE HELP MEH!
goblinko [34]

Answer: x=72, y=26


Step-by-step explanation:

Since a line is 180°, we can do:

2x+10+y=180

2x+y=170

Since a triangle is 180° also, we can do:

x+y+82=180

x+y=98

If we subtract x+y=98 from 2x+y=170, we get:

2x+y=170

x+y=98

x=72

If we insert x=72 into x+y=98, we get:

72+y=98

y=26

We can check our answer by inserting x=72 and y=26 into x+y+82=180

72+26+82=180

98+82=180

180=180

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Answer:

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3 years ago
If 100 units of a product cost $5,000 and 200 units cost $8,000, what is the incremental cost per unit of the second 100 units?
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4 0
2 years ago
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Answer:

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3 years ago
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Answer:

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Step-by-step explanation:

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6 0
2 years ago
Read 2 more answers
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