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Mars2501 [29]
3 years ago
11

Would be awesome to have help

Mathematics
2 answers:
andriy [413]3 years ago
5 0
N^(1/2)^(1/2)    (square root is the number raised to the 1/2 power)

And the rule for exponents with exponents is:

a^b^c=a^(b*c)  in this case:

n^(1/4)

so we are told that

n^(1/4)=11  raise both sides to the fourth power  

n=11^4

n=14641

check...

√14641=121

√121=11

correct :D
galben [10]3 years ago
4 0
1331 hope this helped! ;))
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zavuch27 [327]

Answer:

J'(2,-3), K'(4, -3) and L'(5,-2)

Step-by-step explanation:

The given triangle has vertices at  J(2,3), K(4, 3) and L(5,2).

The transformation rule for a reflection in the x-axis is:

(x,y)\to (x,-y)

We substitute the points to obtain the coordinates  of the image triangle  J'K'L'

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In other words, we negate the y-coordinates of triangle JKL to obtain the coordinates of J'K'L'

See attachment for graph.  

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Step-by-step explanation:

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andriy [413]

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Step-by-step explanation:

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A doctor is measuring the mean systolic blood pressure of female students at a large college. Systolic blood pressure is known t
Nana76 [90]

Answer:

The correct option is (b).

Step-by-step explanation:

The (1 - <em>α</em>)% confidence interval for population mean (<em>μ</em>) is:

CI=\bar x\pm z_{\alpha/2}\times\frac{SD}{\sqrt{n}}

The confidence interval for population mean can be computed using either the <em>z</em>-interval or <em>t</em>-interval.

The <em>t</em>-interval is used if the following conditions are satisfied:

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For computing a (1 - <em>α</em>)% confidence interval for population mean , it is necessary for the population to normally distributed if the sample selected is small, i.e.<em>n</em> < 30, because only then the sampling distribution of sample mean will be approximated by the normal distribution.

In this case the sample size is, <em>n</em> = 28 < 30.

Also it is provided that the systolic blood pressure is known to have a skewed distribution.

Since the sample is small and the population is not normally distributed, the  sampling distribution of sample mean will not be approximated by the normal distribution.

Thus, no conclusion can be drawn from the 90% confidence interval for the mean systolic blood pressure.

The correct option is (b).

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3 years ago
roberto has 12 tiles. each tile is 1 square inch. he will arrange them into a rectangle and glue 1-inch stones around the edge.
LUCKY_DIMON [66]
To answer this you will need to determine which area made with the 12 square tiles would give the shortest perimeter.

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