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3 years ago

Kim purchased 6 small containers of potato salad and Seth purchased 2 extra

Mathematics

1 answer:

victus00 [196]3 years ago

6 0

Answer:

the difference is that the 2 extra LARGE containers weigh bigger than the

6 small ones

Step-by-step explanation:

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Estimate the measure of the clockwise angle formed by the minute hand and the second hand, then classify the angle. A. 54°; acut

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I would go with b or a or d but not c

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3 years ago

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We wish to construct a 90% confidence interval on the mean of a population known to be normally distributed based on a sample of

sergiy2304 [10]

Answer:

Margin of error = 0.773

Step-by-step explanation:

We are given the following information in the question.

Sample size, n = 20

Sample mean = 8

Sample standard deviation = 2

90% Confidence interval

$\bar{x} \pm t_{critical}\displaystyle\frac{s}{\sqrt{n}}$

Putting the values, we get,

$t_{critical}\text{ at degree of freedom 19 and}~\alpha_{0.10} = \pm 1.729$

Margin of error:

$t_{critical}\displaystyle\frac{s}{\sqrt{n}}$

Putting the values, we get,

$1.729(\frac{2}{\sqrt{20}} ) = 0.773$

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3 years ago

What is the square of √4

Elan Coil [88]

Answer:

Step-by-step explanation:

To find the square of a number, you multiply it by itself. This means √4 * √4 gives the answer. √4 can be simplified to 2 because 2^2 is 4. So, 2 *2 gives the answer, which is 4.

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3 years ago

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سا (a) From the definition of derivatives determine dy÷dx if y = -2÷x

harina [27]

Step-by-step explanation:

Given: $y = -\dfrac{2}{x}$

Derivative of a power function $x^n$ :

$\dfrac{d}{dx}(x^n) = nx^{n-1}$

Therefore,

$\dfrac{dy}{dx}=-2(-1)x^{-2} = \dfrac{2}{x^2}$

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3 years ago

The box-and-whisker plot represents the lengths (in minutes) of movies being shown at a theater.

GaryK [48]

Answer:

Step-by-step explanation:

130-110

Q3-Q1=IQR

Hope this helps!

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2 years ago

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