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kolbaska11 [484]
3 years ago
10

A geometric transformation that does not change the shape or size of the geometric object is called a

Mathematics
1 answer:
Pavlova-9 [17]3 years ago
8 0

Answer:

Univ.

Explanation:

A geometry transformation is either rigid or non-rigid; another word for a rigid transformation is "isometry". An isometry, such as a rotation, translation, or reflection, does not change the size or shape of the figure.

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The number of days that homes stay on the market before they sell in Houston is bell-shaped with a mean equal to 56 days. Furthe
antoniya [11.8K]

Answer:

D. 8

Step-by-step explanation:

We have been given that the number of days that homes stay on the market before they sell in Houston is bell-shaped with a mean equal to 56 days. Further, 95 percent of all homes are on the market between 40 and 72 days.

As per empirical rule 95% of the data on bell curve lies between 2 standard deviations of mean.

So we can set an equation as:

72-56=2\sigma or

40-56=-2\sigma

16=2\sigma

\frac{16}{2}=\frac{2\sigma}{2}

8=\sigma

40-56=-2\sigma

-16=-2\sigma

\frac{-16}{-2}=\frac{-2\sigma}{-2}

8=\sigma

Therefore, the standard deviation for our given data is 8 and option D is the correct choice.

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2 years ago
I need to find Y=Mx+b. I found M but i forgot how to find B. Help
Serggg [28]
B is just the y-intercept or where the line goes over the y axis so it would be 50
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15 mister of cloths are needed to make 15 m if 1 puchu is 1 miter

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