3 years ago

Select the correct answer. Which number has a repeating decimal form? A. 15 B. 11/25 C. 3/20 D. 2/6

Mathematics

2 answers:

goldenfox [79]3 years ago

6 0

Answer:

its D 2/6

Step-by-step explanation:

ivanzaharov [21]3 years ago

4 0

Answer:

Step-by-step explanation: im pretty sure that its b so there you go

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3 years ago

Find the possible values of k if one of the roots of the quadratic equation x^2 - kx + 8 = 0 is twice the other.

kondor19780726 [428]

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Step-by-step explanation:

The given quadratic equation is :

$x^2 - kx + 8 = 0$

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Sum of roots, $\alpha +\beta =\dfrac{-b}{a}$

$\alpha +\beta =\dfrac{-(-k)}{1}\\\\\alpha +\beta =k\\\\3\beta =k\ .......(1)$

Product of roots,

$\alpha \beta =\dfrac{c}{a}\\\\2\beta ^2=\dfrac{8}{1}\\\\\beta =\pm 2$

If $\beta =\pm2$ ,

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So, the value of k is equal to $\pm 6$ .

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2 years ago

Select the correct answer. Which number has a repeating decimal form? A. 15 B. 11/25 C. 3/20 D. 2/6​

Select the correct answer. Which number has a repeating decimal form? A. 15 B. 11/25 C. 3/20 D. 2/6