2 years ago

For the equation 4(x - 2) = 4x + K which value of k will create an equation with no solutions?

Mathematics

1 answer:

lawyer [7]2 years ago

5 0

Step-by-step explanation:

k=8 that is the equation with no solutions

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Step-by-step explanation:

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3 years ago

A California water company has determined that the average customer billing is $1,250 per year and the amounts billed have an ex

Tcecarenko [31]

Answer:

Mean $\mu = \dfrac{1}{\lambda }= 1250$

$\lambda = \dfrac{1}{1250}$

$P(X > 5000) = 0.0183$

$P(X > 1250) =0.3679$

Step-by-step explanation:

From the given information:

a.)

Mean $\mu = \dfrac{1}{\lambda }= 1250$

$\lambda = \dfrac{1}{1250}$

Let consider X to be a random variable that follows an exponential distribution; then:

P(X) = 1 - $e^{- \lambda x}$ since $\lambda > 0$

b.)

The required probability that a random chosen customer would spend more than $5,000 can be computed as:

$P(X > 5000) = 1 - \bigg [ 1 - e ^{- \dfrac{5000}{1250}} \bigg]$

$P(X > 5000) =e^ {-4$

$P(X > 5000) = 0.0183$

c.)

$P(X > 1250) = 1 - \bigg [ 1 - e ^{- \dfrac{1250}{1250}} \bigg]$

$P(X > 1250) =e ^{- 1$

$P(X > 1250) =0.3679$

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Rzqust [24]

Answer:

Step-by-step explanation:

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