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ludmilkaskok [199]
3 years ago
14

How can you determine if the graph of the inequality is correct?

Mathematics
2 answers:
trapecia [35]3 years ago
8 0
Pick a point in the solution area of ur graph, and sub it back into ur inequality to see if it is true
Vikki [24]3 years ago
4 0
Choose any point and subtitute it
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Suppose the roots of the equation 2x^2−5x−6=0 are α and β.Find the quadratic equation with roots 1/α and 1/β.​
pochemuha

Answer:

6x² + 5x - 2 = 0

Step-by-step explanation:

Given

2x² - 5x - 6 = 0 ← in standard form

with a = 2, b = - 5, c = - 6, then

sum of roots α + β = - \frac{b}{a} = \frac{5}{2}

product of roots = \frac{c}{a} = - 3, then

sum of new roots = \frac{1}{\alpha } + \frac{1}{\beta }

= \frac{\beta+\alpha  }{\alpha \beta }

= \frac{\frac{5}{2} }{-3} = - \frac{5}{6}

product of new roots = \frac{1}{\alpha } × \frac{1}{\beta }

= \frac{1}{\alpha\beta  } = - \frac{1}{3}

Hence the required equation is

x² + \frac{5}{6} x - \frac{1}{3} = 0 or

6x² + 5x - 2 = 0 ( multiplying through by 6 )

                           

8 0
3 years ago
How does the speaker’s repetition of the neighbor’s cherished belief about the importance of walls (lines 27 and 45) convey the
Reptile [31]

Answer:

C The speaker describes the neighbor’s superstitious beliefs about elves in order to characterize him as uncivilized and misguided. The speaker describes the neighbor’s superstitious beliefs about elves in order to characterize him as uncivilized and misguided.

Step-by-step explanation:

This is likely the answer to the question asked.

6 0
3 years ago
84.48 divided by .88
stepan [7]

Answer:

96

Step-by-step explanation:

7 0
3 years ago
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Professor Green is interested in determining the average SAT score for the entire population of individuals who took the SAT. Sh
Dvinal [7]

Answer:

Descriptive statistics

Explanation:

The population average is a descriptive statistic. It informs about how the population looks like, in this case, the population looks like having a average of 1000.

If, using her class's average where to infer the population average that is inferential statistic. But that is not the case

7 0
3 years ago
5 movie tickets cost $55. At this rate, what is the cost per ticket?
Mariana [72]

Answer:

11

Step-by-step explanation:

55/5 equals 11

4 0
3 years ago
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