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a_sh-v [17]
2 years ago
6

Classify the type polynomial 11x+20​

Mathematics
2 answers:
gtnhenbr [62]2 years ago
8 0
Hmm I’m almost done it for you hold up
Katen [24]2 years ago
6 0

Answer:

binomial

Step-by-step explanation:

there are two terms, "11x" and "20"

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A triangle has an area of 15. One of its sides has length 10. What is the length of the altitude to that side?
UNO [17]

Answer:

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Step-by-step explanation:

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3 years ago
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VLD [36.1K]

Answer:

3.13

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 67

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We have to find 80% confidence interval for the population variance of the weights.

Degree of freedom = 67 - 1 = 66

Level of significance = 0.2

Chi square critical value for lower tail =

\chi^2_{1-\frac{\alpha}{2}}= 51.770

Chi square critical value for upper tail =

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80% confidence interval:

\dfrac{(n-1)S^2}{\chi^2_{\frac{\alpha}{2}}} < \sigma^2 < \dfrac{(n-1)S^2}{\chi^2_{1-\frac{\alpha}{2}}}

Putting values, we get,

=\dfrac{(67-1)3.85}{81.085} < \sigma^2 < \dfrac{(67-1)3.85}{51.770}\\\\=3.13

Thus, (3.13,4.91) is the required 80% confidence interval for the population variance of the weights.

8 0
3 years ago
What is the square route of 6,897?
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Step-by-step explanation:

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3 years ago
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Hope this helps!

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