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quester [9]
3 years ago
5

Pls tell me how many vertices there are

Mathematics
2 answers:
blagie [28]3 years ago
7 0

Answer:

6 vertices

Step-by-step explanation:

Darina [25.2K]3 years ago
3 0

Answer:

there are 6 vertices show in the diagram

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N = 9
g100num [7]

Answer:

The <em>p</em>-value is 0.809.

Step-by-step explanation:

In this case we need to perform a significance test for the standard deviation.

The hypothesis is defined as follows:

<em>H</em>₀: <em>σ</em>₀ = 4 vs. <em>Hₐ</em>: <em>σ</em>₀ ≤ 4

The information provided is:

<em>n</em> = 9

<em>s</em> = 3

Compute the Chi-square test statistic as follows:

\chi^{2}=\frac{(n-1)s^{2}}{\sigma_{0}^{2}}

     =\frac{(9-1)\cdot (3)^{2}}{(4)^{2}}\\\\=\frac{8\times 9}{16}\\\\=4.5

The test statistic value is 4.5.

The degrees of freedom is:

df = n - 1

   = 9 - 1

   = 8

Compute the <em>p</em>-value as follows:

p-value=P(\chi^{2}_{9}>4.5)=0.809

*Use a Chi-square table.

Thus, the <em>p</em>-value is 0.809.

7 0
3 years ago
Three numbers are in the ratio 1:3:5 and their sum is 270. find the largest number.
Sphinxa [80]

Answer:

<u>150</u>

Step-by-step explanation:

Let :

⇒ The numbers can be denoted as <u>x</u>, <u>3x</u>, and <u>5x</u>

<u />

=============================================================

Solving :

⇒ It mentions their sum is 270

⇒ x + 3x + 5x = 270

⇒ 9x = 270

⇒ x = 30

=============================================================

Largest number :

⇒ 5x

⇒ 5(30)

⇒ <u>150</u>

8 0
2 years ago
Read 2 more answers
Solution to 3x+2y=24
seropon [69]

Answer:

it’s a multi step equation

Step-by-step explanation:

solve like a multi step

7 0
3 years ago
Solve x^2 = 144.<br><br>A. 72 <br>B. 12<br>C. +12<br>D. -12​
Vladimir79 [104]
B. 12

Ex: 12 squared is 144
5 0
3 years ago
Read 2 more answers
I need accurate answer please because this is the last attempt
matrenka [14]

Answer:

I'm not very sure, however I think you have to replace the sign - for a +.

Step-by-step explanation:

7 + 4√13

3 0
4 years ago
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