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sveticcg [70]
3 years ago
15

What do a rectangle and a rhombus have in common? Select all that apply. The opposite sides are parallel. They have four right a

ngles. Their angle measures add to 360°. They have four congruent sides. you can pick more than one so plz pick more than one be positive
Mathematics
1 answer:
Over [174]3 years ago
5 0

1.the opposite sides are parallel

2.their angle measures add up to 360

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3 years ago
Thompson and Thompson is a steel bolts manufacturing company. Their current steel bolts have a mean diameter of 144 millimeters,
valentinak56 [21]

Answer:

The probability that the sample mean would differ from the population mean by more than 2.6 mm is 0.0043.

Step-by-step explanation:

According to the Central Limit Theorem if we have a population with mean μ and standard deviation σ and appropriately huge random samples (n > 30) are selected from the population with replacement, then the distribution of the sample  means will be approximately normally distributed.

Then, the mean of the distribution of sample mean is given by,

\mu_{\bar x}=\mu

And the standard deviation of the distribution of sample mean  is given by,

\sigma_{\bar x}=\frac{\sigma}{\sqrt{n}}

The information provided is:

<em>μ</em> = 144 mm

<em>σ</em> = 7 mm

<em>n</em> = 50.

Since <em>n</em> = 50 > 30, the Central limit theorem can be applied to approximate the sampling distribution of sample mean.

\bar X\sim N(\mu_{\bar x}=144, \sigma_{\bar x}^{2}=0.98)

Compute the probability that the sample mean would differ from the population mean by more than 2.6 mm as follows:

P(\bar X-\mu_{\bar x}>2.6)=P(\frac{\bar X-\mu_{\bar x}}{\sigma_{\bar x}} >\frac{2.6}{\sqrt{0.98}})

                           =P(Z>2.63)\\=1-P(Z

*Use a <em>z</em>-table for the probability.

Thus, the probability that the sample mean would differ from the population mean by more than 2.6 mm is 0.0043.

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3 years ago
I need to find the ratio of the line
Tom [10]
-2 or -2/1 because the ratio is y over x and the line is going down 2 (-2) every time it goes to the right once (1)
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Katrina said that the lines y=-2/3x + 5 and y = -3/2x + 2 are perpendicular. Explain Katrina's error.
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There shouldn't be a negative in front of one of the equations.

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3 years ago
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The USDA pays schools for each lunch served. As of the 2014–15 school year, it paid $2.98 for each free lunch,
Anestetic [448]

Answer:

$32.80

Step-by-step explanation:

For this case we have that the total daily protein consumption is given by:

Now, we find the percentage corresponding to breakfast:

53g ---------> 100%

17g -----------> x

Where "x" represents the percentage of protein equivalent to breakfast:

Thus, at breakfast approximately 32.08% of the total protein should be consumed.

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