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2 years ago

PLEASE HELP MEH I NEED THIS HELP PLSSSSSSSSSSSSS

Mathematics

2 answers:

zubka84 [21]2 years ago

5 0

Answer:

I would say A but I'm not sure

Step-by-step explanation:

Sry if I' m wrong <3

Gelneren [198K]2 years ago

4 0

Answer:

Step-by-step explanation:

The lease value is D

-√(16) = -4 is the least

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What steps are involved in multiplying and dividing rational expressions?

zysi [14]

Answer:

Q and S do not equal 0.

Step 1: Factor both the numerator and the denominator. ...

Step 2: Write as one fraction. ...

Step 3: Simplify the rational expression. ...

Step 4: Multiply any remaining factors in the numerator and/or denominator. ...

Step-by-step explanation:

~Riley~

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7 0

3 years ago

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Find the EXACT value of sec (-120 degrees)

kenny6666 [7]

Sec is 1/cos so sec -120 is 1/cos -120 which is -2

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2 years ago

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The number of failures of a testing instrument from contamination particles on the product is a Poisson random variable with a m

Mazyrski [523]

Answer:

The probability that the instrument does not fail in an 8-hour shift is $P(X=0) \approx 0.8659$

The probability of at least 1 failure in a 24-hour day is $P(X\geq 1 )\approx 0.3508$

Step-by-step explanation:

The probability distribution of a Poisson random variable X representing the number of successes occurring in a given time interval or a specified region of space is given by the formula:

$P(X)=\frac{e^{-\mu}\mu^x}{x!}$

Let X be the number of failures of a testing instrument.

We know that the mean $\mu = 0.018$ failures per hour.

(a) To find the probability that the instrument does not fail in an 8-hour shift, you need to:

For an 8-hour shift, the mean is $\mu=8\cdot 0.018=0.144$

$P(X=0)=\frac{e^{-0.144}0.144^0}{0!}\\\\P(X=0) \approx 0.8659$

(b) To find the probability of at least 1 failure in a 24-hour day, you need to:

For a 24-hour day, the mean is $\mu=24\cdot 0.018=0.432$

$P(X\geq 1 )=1-P(X=0)\\\\P(X\geq 1 )=1-\frac{e^{-0.432}0.432^0}{0!}\\\\P(X\geq 1 )\approx 0.3508$

3 0

2 years ago

Since 2005, the amount of money spent at restaurants in a certain country has increased at a rate of 8% each year, In 2005, abou

Kryger [21]

Answer:

This is an exponential growth problem.

The growth rate is 4% (0.04).

The time is 10 years (10 years from 2005 to 2015)

A = P(1+i)t

A = amount spent in 2015

P = amount spent in 2005

i = interest rate expressed as a decimal

t = # years

A = 500(1.04)10

A = 500(1.480244)

A = 740.122 ==> 740 billion

Step-by-step explanation:

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3 years ago

sleet_krkn [62]

Answer:

Divide x by 3 O using long polynomial division.

Step-by-step explanation:

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2 years ago