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kvasek [131]
3 years ago
12

Polygon ABCD is dilated, rotated, and translated to form polygon A′B′C′D′. The endpoints of are at (0, -7) and (8, 8), and the e

ndpoints of are at (6, -6) and (2, 1.5). What is the scale factor of the dilation?
Mathematics
2 answers:
Yuliya22 [10]3 years ago
6 0

Answer:

The answer is 1/2

Step-by-step explanation:

Alinara [238K]3 years ago
5 0

Answer:

1/2

Step-by-step explanation:

Plato. just had it

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Answer:

T = 4.541

Step-by-step explanation:

We don't have the standard deviation for the population, so we use the t-distribution.

The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So

df = 4 - 1 = 3

98% confidence interval

Now, we have to find a value of T, which is found looking at the t table, with 3 degrees of freedom(y-axis) and a confidence level of 1 - \frac{1 - 0.98}{2} = 0.99. So we have T = 4.541

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3 years ago
HELP NEEDED !!!<br> find the size of unknown angles
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The line DF is parallel to OB, therefore Angle x = Angle y.

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And the angle made by an arc at center is always double the angle made by the same arc at its boundary, hence

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  • x = 44°

  • y = 44° ( cuz, x = y )

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2 years ago
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