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alexdok [17]
3 years ago
9

Is 234 divisible by 6

Mathematics
2 answers:
Korvikt [17]3 years ago
8 0
<span>A number is divisible by 6 if it is even and divisible by 3. Consider 234. This is an even number. The sum of the digits is 9. It is divisible by 3, which is divisible by 6</span>
Yes, 234 divisible par 6
<span><span>
</span></span>
Vikentia [17]3 years ago
5 0
We have 6 = 2 * 3 ;
234 is divisible by 2 because 234 is an even number ;
234 is divisible by 3 because  2 + 3 + 4 = 9 is divisible by 3 ;
The great common  divisor of 2 and 3 is 1 ;
Finally, 234 is divisible by 6.

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6 times a number is 27 less than the square of that number. Find the positive solution.
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Answer:

9

Step-by-step explanation:

6n = n² - 27

n² - 6n - 27 = 0

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n(n - 9) + 3(n - 9) = 0

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Answer:

C. (36337.32, 48968.68)

Step-by-step explanation:

We have that to find our \alpha level, that is the subtraction of 1 by the confidence interval divided by 2. So:

\alpha = \frac{1-0.95}{2} = 0.025

Now, we have to find z in the Ztable as such z has a pvalue of 1-\alpha.

So it is z with a pvalue of 1-0.025 = 0.975, so z = 1.96

Now, find M as such

M = z*\frac{\sigma}{\sqrt{n}}

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M = 1.96*\frac{9114}{\sqrt{8}} = 6315.68

The lower end of the interval is the sample mean subtracted by M. So it is 42653 - 6315.68 = 36337.32.

The upper end of the interval is the sample mean added to M. So it is 42653 + 6315.68 = 48968.68.

So the correct answer is:

C. (36337.32, 48968.68)

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