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Rudik [331]
3 years ago
6

A movie complex has eight different movie theaters. The manager if the complex wants to conduct a survey to determine which snac

ks to add to the menu. Which represents the best sample the manager could use for the survey?
A. Survey the first movie-goers leaving the movie complex
B. Survey 100 randomly selected movie-goers that just watched a drama movie
C. Survey 100 randomly selected movie-goers in the 10-year-old to 40-year-old age bracket
D. Survey 100 randomly selected movie-goers from the entire complex


PLEASE HELP!!!!
Mathematics
2 answers:
GalinKa [24]3 years ago
7 0

The answer is most likely D but that is my opinion

Alex3 years ago
6 0

Answer:

D

Step-by-step explanation:

that way there is a random selection of various ages and preferred movie genres :)

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Y = (x)^(1/9)*Find f(x) when x=(1/2)Round your answer to the nearest thousandth.
Verizon [17]

We are given a function f ( x ) defined as follows:

y=f(x)=x^{\frac{1}{9}}

We are to determine the value of f ( x ) when,

\times\text{ = }\frac{1}{2}

In such cases, we plug in/substitue the given value of x into the expressed function f ( x ) as follows:

y\text{ = f ( }\frac{1}{2}\text{ ) = (}\frac{1}{2})^{\frac{1}{9}}

We will apply the power on both numerator and denominator as follows:

f(\frac{1}{2})=\frac{1^{\frac{1}{9}}}{2^{\frac{1}{9}}}\text{ = }\frac{1}{2^{\frac{1}{9}}}

Now we evaluate ( 2 ) raised to the power of ( 1 / 9 ).

f\text{ ( }\frac{1}{2}\text{ ) = }\frac{1}{1.08005}

Next apply the division operation as follows:

f\text{ ( }\frac{1}{2})\text{ = }0.92587

Once, we have evaluated the answer in decimal form ( 5 decimal places ). We will round off the answer to nearest thousandths.

Rounding off to nearest thousandth means we consider the thousandth decimal place ( 3rd ). Then we have the choice of either truncating the decimal places ( 4th and onwards ). The truncation only occurs when (4th decimal place) is < 5.

However, since the (4th decimal place) = 8 > 5. Then we add ( 1 ) to the 3rd decimal place and truncate the rest of the decimal places i.e ( 4th and onwards ).

The answer to f ( 1 / 2 ) to the nearest thousandth would be:

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6 0
1 year ago
How do you get the equation of the line in fully simplified slope-intercept form?​
Igoryamba

Answer:

y= -2/5 x -4

Step-by-step explanation:

So the equation is y=mx+b. Where m=slope and b=y-intercept. To find b, you would see at what point does the line cross the y axis. That would be at -4 so, -4 would be the b or y-intercept. To find m, you would take two points on the line and use this equation:

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If you were using the points, (-10,0) and (0, -4) the equation would be:

m=(-4-0) / (0+10)

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The equation of the line would end up being:

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4 0
3 years ago
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ipn [44]
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15000/3600 = 4.2m per second
Choice 4


6 0
3 years ago
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