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Effectus [21]
3 years ago
13

HELP ASAP Is 9.78778777 ... a rational or irrational number?

Mathematics
1 answer:
Travka [436]3 years ago
7 0

Answer:

9.78778777 is an irrational number.

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The safety director of an insurance company took samples at random from his minor accidents file and classified them according t
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Answer:

Step-by-step explanation:

A. H0: accident are evenly distributed

H1: accident are not evenly distributed

B. The critical value is chi²(0.01,7) = 18.4753

C. The decision rule would be to reject h0 and accept h1 if the test statistic is higher than the critical value

D. Test statistic = summation (Oi-Ei)²/E

This gives 24.6 from the table.

E. Based on these calculations, test statistic is > than critical value

24.6> 18.4753

F. The inference is that accidents are not evenly distributed at 0.01 level of significance.

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3 years ago
The apothem of a regular hexagon measures 8 cm. Which are true of the regular hexagon? Check all that apply. // 1.The perimeter
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The right answer would be.

The measure of the angle formed by the radius and the apothem is 30 degrees.

In a regular hexagon, the radius and side length are equal in length.

The area of the hexagon is about 221.7 square cm.
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3 years ago
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Google “slope calculator” on google
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3 years ago
38.5 kilometers per hour _____ 642 meters per minute<br> &lt;,&gt;,=?
nikitadnepr [17]
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38.5000 kph < 38.5199 kph
3 0
3 years ago
I need answer asap !! please and thanks !
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Remember, ab+ac=a(b+c)

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14(l)+14(3a)=14(l+3a)

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