4 years ago

Is -1, 6, -36, 216 geometric or not?

Mathematics

1 answer:

monitta4 years ago

3 0

Yes that sequence is geometric although it’s negative

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mr Goodwill [35]

Answer:

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3 years ago

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frozen [14]

Answer:

Try B i think it might be B

Step-by-step explanation:

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The probability density function of the time it takes a hematology cell counter to complete a test on a blood sample is f(x)=0.0

faltersainse [42]

Answer:

a) 0.2

b) 0.4

c) Mean = 62.5

Variance = 52.083

Step-by-step explanation:

We are given the following information in the question:

$f(x) = 0.4\\$

a = 50, b = 75

We are given a uniform distribution.

a) P(x > 70)

$P(x > 70)\\=1 - P( \leq 70)\\\\=1-\displaystyle\int^{70}_{50}0.04 ~dx\\\\=1-0.04(70-50)\\=0.2$

b) P(x < 60)

$P(x < 60)\\\\=\displaystyle\int^{60}_{50}0.04 ~dx\\\\=0.04(60-50)\\=0.4$

c) Mean:

$\mu = \displaystyle\frac{a+b}{2}\\\\\mu = \frac{50+75}{2} = 62.5$

Variance:

$\sigma^2 = \displaystyle\frac{(b-a)^2}{12}\\\\= \displaystyle\frac{(75-50)^2}{12} = 52.083$

4 0

3 years ago

Which one is the correct answer, a b c d

Katena32 [7]

<h2>Answer:</h2>

$g(f(x))=\sqrt{\frac{2301+100x^2}{23+x^2} }$

<h2>Step-by-step explanation:</h2>

$Substitute\ and\ calculate:\\ \downarrow\\ g(f(x))=\sqrt{\frac{2301+100x^2}{23+x^2} }$

<em>I hope this helps you</em>

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3 years ago

What is the value of b^2-4ac for the following equation?

mr Goodwill [35]

The answer is c. 12 ....

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