3 years ago

Which of the following describes theoretical probability?

Mathematics

1 answer:

kondor19780726 [428]3 years ago

6 0

Hi for the answer is there any backstory or answer key at least?

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Which expressions represent rational numbers? Select all the apply.

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Answer:

1. sqrt 100 x sqrt 100

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3. sqrt 9 + sqrt 729

4. Not a rational number

5. Not a rational number

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What is the common ratio of the sequence? -2,6,-18,54

aivan3 [116]

ANSWER

The common ratio is -3.

EXPLANATION

In general, the common ratio of a Geometric Sequence is given by:

$r = \frac{a_{n+1}}{a_{n}}$

We can find the common ratio using any two consecutive terms of the geometric sequence by dividing the subsequent term by the previous term.

The given sequence is -2,6,-18,54

Using the first two terms the common ratio is

$r = \frac{6}{ - 2} = - 3$

We could also used the second and third terms to get

$r = \frac{ - 18}{6} = - 3$

and so on and so forth.

Therefore the common ratio is -3.

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3 years ago

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const2013 [10]

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Step-by-step explanation:

$m=\frac{y_2 - y_1 }{x_2 - x_1} = \frac{275-300}{5-0} = \frac{-25}{5} = -5$

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3 years ago

What is the concept of cause and effect?

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Step-by-step explanation:

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