This year a partridge in a pear tree costs $210.18. in 2008, it cost $219.99. What is the change

Mathematics

1 answer:

Rasek [7]3 years ago

6 0

Real Answer: 20cents

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What is the value of the 6 in 861

NISA [10]

Answer:

tens-or 60

Step-by-step explanation:

the 1 is in the ones place the 6 is in the tens place and the 8 is in the hudreths place.

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3 years ago

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In febuary, john has $1000 in his account. in may, he had 2600. what is the rate of change?

sergiy2304 [10]

Answer:

866.7 each month

Step-by-step explanation:

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Let X be the time it takes for a person to choose a birthday gift, where X has an average value of 27 minutes. If the random var

jeka57 [31]

Answer:

The parameters of this exponential distribution is $\lambda$ = $\frac{1}{27}$ .

Step-by-step explanation:

We are given that the random variable X is known to be exponentially distributed and let X be the time it takes for a person to choose a birthday gift, where X has an average value of 27 minutes.

<u><em>So, X = time it takes for a person to choose a birthday gift</em></u>

The probability distribution function of exponential distribution is given by;

$f(x) = \lambda e^{-\lambda x} , x >0$ where, $\lambda$ = parameter of distribution.

Now, the mean of exponential distribution is = $\frac{1}{\lambda}$ which is given to us as average value of 27 minutes that means $\lambda = \frac{1}{27}$ .