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3 years ago

14

2. Write the algebraic phrases that correspond to the following word phrases: (a) The sum of four times the opposite of a number

and - 5 (b) The product of 5 and the sum of 3 times a number and 4

1 answer:

Alekssandra [29.7K]3 years ago

6 0

Answer:

would not be helpful to anser nowww... sory!

Step-by-step explanation:

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Step-by-step explanation:

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3 years ago

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2 years ago

The lifespan, in years, of a certain computer is exponentially distributed. The probability that its lifespan exceeds four years

kompoz [17]

Answer:

The correct answer is " $0.300993e^{-0.300993x}$ ".

Step-by-step explanation:

According to the question,

⇒ $P(x>4)=0.3$

We know that,

⇒ $P(X > x) = e^{(-\lambda\times x)}$

⇒ $e^{(-\lambda\times 4)} = 0.3$

∵ $\lambda = 0.300993$

Now,

⇒ $f(x) = \lambda e^{-\lambda x}$

By putting the value, we get

$=0.300993e^{-0.300993x}$

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2 years ago