3 years ago

What is the z-score of a value that is 2.08 standard deviations greater than the mean? Express your answer as a decimal.

Mathematics

1 answer:

kobusy [5.1K]3 years ago

5 0

<span>The z-score is defined as the number of standard deviations above the mean.</span>

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3 years ago

The sum of two consecutive even number's is 66. find the numbers.

Elena L [17]

Answer:

$32\ and\ 34.$

Step-by-step explanation:

Let x be the smaller number.

The next even number will be (x + 2).

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Subtract 2 from both sides:

$2x+2-2=66-2$

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Divide both sides by 2:

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Answer:

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Step-by-step explanation:

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the current value of a new car is 18,000. the car will depreciate 15% per year over the next 5 year. which exponential equation

Arte-miy333 [17]

The exponential equation that models this situation is:

$V(t) = 18000(0.85)^t, 0 \leq t \leq 5$ .

<h3>What is an exponential function?</h3>

A decaying exponential function is modeled by:

$A(t) = A(0)(1 - r)^t$

In which:

A(0) is the initial value.

r is the decay rate, as a decimal.

For this problem, the parameters are:

A(0) = 18000, r = 0.15.

Hence the equation for the value of the car over the next 5 years is:

$A(t) = A(0)(1 - r)^t$

$A(t) = 18000(1 - 0.15)^t$

$V(t) = 18000(0.85)^t, 0 \leq t \leq 5$ .

More can be learned about exponential functions at brainly.com/question/25537936

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2 years ago