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3 years ago

Solve for s 14=-2s-8

Mathematics

2 answers:

mariarad [96]3 years ago

8 0

The answer is ‘s=-11’

pantera1 [17]3 years ago

7 0

Answer:

the answer is -3=s

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"the life length x (in years) of a dvd player" is exponentially distributed with mean 5 years. what is the probability that a mo

loris [4]

The exponential distribution is:
$\lambda e^{- \lambda x}$
where $\lambda = \frac{1}{mean}=\frac{1}{5}$

The probability we want is how likely will a dvd player last more than 8 years, given it has already lasted 5 years
To find this, you use conditional probability.
$P(A|B) = \frac{P(A and B)}{P(B)}$
where A is P(x>8) and B is P(x>5)
To find these probabilities, integrate over the distribution:
$P(x \ \textgreater \ N) = \int_N^{\infty} \frac{1}{5} e^{-x/5} dx = e^{-N/5}$

Sub into conditional probability formula:

$P(x \ \textgreater \ 8 | x\ \textgreater \ 5) = \frac{P(x\ \textgreater \ 8)}{P(x\ \textgreater \ 5)} = \frac{e^{-8/5}}{e^{-5/5}} = e^{-3/5} = 0.549$

Final Answer: Given a dvd player is more than 5 years old, the probability that it will last another 3 more years is about 54.9%

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3 years ago

Which function has no horizontal asymptote?

xxMikexx [17]

A rational function has no horizontal asymptote when the degree of the numerator is greater than the denominator.

In other words, where the numerator has a higher exponent than the denominator.

Answer:
C) exponent on top is 2, exponent on bottom is 1

3 0

3 years ago

Read 2 more answers

Please help thanks!!

bogdanovich [222]

The answer is 1.) because when dividing you subtract the exponents.

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3 years ago

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A. What are the coordinates of R’ if R (-2, 7) is dilated around the origin with k=3?

Sergio [31]

A: The coordinates of the point R' are (- 6, 21).

B: The coordinates of the point T' are (1, 3).

<h3>How to generate new points by definition of dilation</h3>

In this question we must make use of rigid transformations to find the location of new points, rigid transformations are transformations used in geometric loci such that Euclidean distance is conserved. In this case, we need to use a kind of rigid transformation known as dilation, which is defined below:

P'(x, y) = O(x, y) + k · [P(x, y) - O(x, y)] (1)

Where:

O(x, y) - Center of dilation
k - Dilation factor
P(x, y) - Original point
P'(x, y) - Resulting point

Part A - If we know that O(x, y) = (0, 0), R(x, y) = (- 2, 7) and k = 3, then the coordinates of point R' are:

R'(x, y) = (0, 0) + 3 · [(- 2, 7) - (0, 0)]

R'(x, y) = (- 6, 21)

Part B - If we know that O(x, y) = (- 2, 7), T(x, y) = (4, - 1) and k = 1/2, then the coordinates of point T' are:

T'(x, y) = (- 2, 7) + (1 / 2) · [(4, - 1) - (- 2, 7)]

T'(x, y) = (- 2, 7) + (1 / 2) · (6, - 8)

T'(x, y) = (- 2, 7) + (3, - 4)

T'(x, y) = (1, 3)

To learn more on dilations: brainly.com/question/13176891

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2 years ago

What it the quotient

Mekhanik [1.2K]

The answer is 12 most likely

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3 years ago