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koban [17]
4 years ago
13

a fish market advertises fresh fish for $4.62 per kilogram. the original price for fish was $5.25 per kilogram. ny what percent

did the price decrease
Mathematics
2 answers:
NeTakaya4 years ago
4 0

Answer:

12%

Step-by-step explanation:

bazaltina [42]4 years ago
3 0

Answer:

i think 63%

Step-by-step explanation:

I did 5.25 minus 4.62 and got 0.63

then i multiplied 0.63 times 100 and got 63

correct me if im wrong

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Step-by-step explanation:

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4 0
3 years ago
Suppose that contamination particle size (in micrometers) canbe modeled as
asambeis [7]

Answer:

c) 2

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Step-by-step explanation:

We are given the following in the question:

f(x) = 2x^{-3}, x > 1\\~~~~~~~= 0, x \leq 1

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\displaystyle\int^{\infty}_{\infty}f(x) dx = 1\\\\\displaystyle\int^{\infty}_{-\infty}2x^{-3}dx = 1\\\\\displaystyle\int^{\infty}_{1}2x^{-3}dx\\\\\Rightarrow \big[-x^{-2}\big]^{\infty}_1\\\\\Rightarrow -(0-1) = 1

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b) cumulative distribution function.

P(X

c) mean of the distribution

\mu = \displaystyle\int^{\infty}_{-\infty}xf(x) dx\\\\\mu = \int^{\infty}_12x^{-2}dx\\\\\mu = (-\frac{2}{x})^{\infty}_{1}\\\\\mu = 2

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3 years ago
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Answer:

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Step-by-step explanation:

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Read 2 more answers
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