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3 years ago

A group of 6 students was asked, "How many hours did you watch television last week? Here are their responses.

Mathematics

1 answer:

wel3 years ago

5 0

Answer:

10.333

Step-by-step explanation:

To find the mean/average find the sum of all values by adding 11,10,18,4,8, and 11

The sum of these numbers is 62

Divide the sum (62) by the amount of values used (6)

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Ipatiy [6.2K]

Answer:

$x = \frac{ 5 \ + \ \sqrt{31}}{2} \ , \ x = \frac{ 5 \ - \ \sqrt{31}}{2}$

Step-by-step explanation:

$2x^2 - 10x - 3 = 0 \\\\a = 2 \ , b = - 10 \ , \ c = - 3 \\\\x = \frac{-b^2\ \pm \ \sqrt{b^2 - 4ac}}{2a}\\\\x = \frac{10 \ \pm \sqrt{(-10)^2 - ( 4 \times 2 \times -3)} }{2 \times 2}\\\\x = \frac{10 \ \pm \sqrt{(100 - ( -24 )} }{4}\\\\x = \frac{10 \ \pm \sqrt{(100 + 24 } }{4}\\\\x = \frac{ 10 \ \pm \sqrt{124}}{4}\\\\x = \frac{ 10 \ \pm \sqrt{4 \times 31}}{4}\\\\x = \frac{ 10 \ \pm \sqrt{2^2 \times 31}}{4}\\\\x = \frac{ 10 \ \pm2 \sqrt{31}}{4}\\\\x = \frac{ 5 \ \pm\sqrt{31}}{2}\\\\$

$x = \frac{ 5 \ + \ \sqrt{31}}{2} \ , \ x = \frac{ 5 \ - \ \sqrt{31}}{2}$

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2 years ago

At a meeting, there were 18 men and 24 women. What is the ratio of men to women at the meeting?

sergey [27]

Answer:

men = 12

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Step-by-step explanation:

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Answer:

41.13 sq m

Step-by-step explanation:

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