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2 years ago

Compare and arrange each

Mathematics

1 answer:

Sergio [31]2 years ago

5 0

Answer:

From least to greatest:

-1.48<-1.23<0.34<0.034<1.034

(I think)

Hope this helped!

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Solve for x<br> 8x = -14

PSYCHO15rus [73]

Answer:

-7/4

Step-by-step explanation:

8x=-14

X=-14/8

X=-7/4

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2 years ago

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A population of 55 foxes in a wildlife preserve doubles in size every 14 years. The function y equals 55 times 2 Superscript x

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Since <em>x</em> is the number of 14-year periods, the first thing we do is divide 28 years by 14. 28/14=2. Now we use that in our function, $y=55*2^x$ .

$y=55*2^2=55*4=220$
There will be 220 foxes after 28 years.

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2 years ago

Simplify. Assume that letters represent any real number.

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3 years ago

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The seventh grade wants to break last year's record of 78 coats collected for the annual clothing drive. They have already colle

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Answer:

78=c-13

c=65

____________________

13 65 78

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2 years ago

You work with the office of city planning which is currently evaluating a new contract for a major highway. The chosen contracto

Ipatiy [6.2K]

Answer:

0.5488 = 54.88% probability that there are no defects in the completed highway.

Step-by-step explanation:

In a Poisson distribution, the probability that X represents the number of successes of a random variable is given by the following formula:

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

In which

x is the number of sucesses

e = 2.71828 is the Euler number

$\mu$ is the mean in the given interval.

The portion of highway that your city is building is 30 miles long.

The mean is one defect per 50 miles. Since the highway is 30 miles, we have that:

$\mu = \frac{30}{50} = 0.6$

What is the probability that there are no (0) defects in the completed highway?

This is P(X = 0). So

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

$P(X = 0) = \frac{e^{-0.6}*0.6^{0}}{(0)!} = 0.5488$

0.5488 = 54.88% probability that there are no defects in the completed highway.

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2 years ago