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lukranit [14]
2 years ago
10

What is the slope of the line passing through the points ( 1, 5/7) and (2,2/7)

Mathematics
2 answers:
marshall27 [118]2 years ago
8 0
Answer:

2/7-5/7=-3/7
2-1= 1

y=-3/7x
olga2289 [7]2 years ago
8 0
The answer is Y=-3/7x :))))
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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
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3 years ago
Are the ratios 20:16 and 5:4 equivalent?
emmasim [6.3K]

Answer:

Yes

Step-by-step explanation:

20:16

Reduce the ratio to lowest terms by dividing both numbers by 4.

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Answer: Yes

5 0
2 years ago
Can somebody please find the answer I will mark brainliest
mash [69]

Answer:

1= 102°,3=78°,4=102°

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Step-by-step explanation:

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