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goldenfox [79]
3 years ago
11

How many faces does the polyhedron have?

Mathematics
1 answer:
NikAS [45]3 years ago
4 0

9514 1404 393

Answer:

  5

Step-by-step explanation:

We presume the figure is a rectangular pyramid and that there are two hidden faces, one on the bottom and one at the back.

We can see 3 faces, so adding the two we presume we can't see, there are a total of 5 faces on this polyhedron.

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Answer:

If you wanted to​ test, using a​ 5% significance​ level, whether or not a specific slope coefficient is equal to​ one, then you should subtract 1 from the estimated​ coefficient, divide the difference by the standard​ error, and check if the resulting ratio is larger than 1.96 .

Option B is the correct answer.

Step-by-step explanation:

If you wanted to​ test, using a​ 5% significance​ level, whether or not a specific slope coefficient is equal to​ one, then you should subtract 1 from the estimated​ coefficient, divide the difference by the standard​ error, and check if the resulting ratio is larger than 1.96.

Option B is correct because after subtracting it from 1, it will become a standardized test if the slope is equal to 0 or not.

6 0
4 years ago
Peter, Jan, and Maxim are classmates. Their total score for the last test was 269. Peter's score was higher than Jan's score and
emmasim [6.3K]

Answer:

91

Step-by-step explanation:

P>J and P>M

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Approx is 90

IF Peter's score is 90, then the other 2 scores could be 90 and 89

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Hence Peter's least possible score could be 91.

6 0
3 years ago
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ruslelena [56]

Answer:

a. 15 on top 8 on bottom

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Step-by-step explanation:

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6 0
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Dima020 [189]

Answer:

144

Step-by-step explanation:

3+15=18

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