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vesna_86 [32]
3 years ago
11

The difference between the observed values of a variable and the long-run average of the observed values in repetitions of the m

easurement is (the):
Mathematics
1 answer:
eduard3 years ago
8 0
Errors: <span>Error that results from chance variation. Differences in the results between the population of interest and the sample. These errors occur because you cannot interview each and every person in the population of interest (that would be a census rather than a sample). It can also be defined as the difference between the observed value of a variable and the long run average of the observed values of that variable in repetitions of the measurement. Random error is also referred to as sampling error or random sampling error (not to be confused with sample design error). Random error can be reduced by increasing the sample size.</span>
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Line segment CD is shown on a coordinate grid:
Lady_Fox [76]

Answer:

im pretty sure the answer would be C'D' and CD would be equal in length!

Step-by-step explanation:

because you are only reflecting it across the y-axis, no changes will be made to the line itself, only the location of the line :)

7 0
3 years ago
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Need help please !!!!!<br><br> Will mark as brainliest!!!!<br><br> (Don’t mind my answers)
Alika [10]

Answer:

Can you give me the choices for each of these, I'm not sure how they might phrase it.

3 0
2 years ago
Compare the surface area-to-volume ratios of the moon and mars. express your answer using two significant figures.
antoniya [11.8K]

we know that

For a spherical planet of radius r, the volume V and the surface area SA is equal to

V=\frac{4}{3} *\pi *r^{3} \\ \\ SA=4*\pi *r^{2}

The
ratio of these two quantities may be written as

SAV =\frac{(4*\pi*r^{2})}{(\frac{4}{3}*\pi*r^{3})}     \\  \\ SAV =\frac{3}{r}

we know

rMoon=1,738Km\\ rMars=3,397 Km

\frac{SAV Moon}{SAV Mars} =\frac{3}{rMoon} *\frac{rMars}{3} \\ \\ \frac{SAV Moon}{SAV Mars} =\frac{rMars}{rMoon} \\ \\ \frac{SAV Moon}{SAV Mars} =\frac{3,397}{1,738} \\ \\ \frac{SAV Moon}{SAV Mars} =1.9545

therefore

the answer is

1.9

5 0
3 years ago
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X is equal to 9 and -9
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3 years ago
How do you find measures using postulates and theorems?
Dennis_Churaev [7]
Just use the definitions and put them in order to explain the problem.m. for instance. why are angles a and b vertical angles? they are adjacent and they are supplementary.
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3 years ago
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