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lubasha [3.4K]
3 years ago
7

I need to know the answer pretty quickly

Mathematics
2 answers:
Dovator [93]3 years ago
8 0
C i think. 80% BUT IM STUPID! DONT COUNT ON ME
eduard3 years ago
4 0

Answer: 80 degrees

Step-by-step explanation:

They are corresponding angles so they have the same degree

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find an equation for the nth term of the arithmetic sequence. -15, -6, 3, 12, ... select one: a. an = -15 9(n 1) b. an = -15 x 9
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-15;-6;\ 3;\ 12;...\\\\a_n=a_1+(n-1)d\\\\a_1=-15;\ a_2=-6\\\\d=a_2-a_1\to d=-6-(-15)=-6+15=9\\\\a_n=-15+(n-1)\cdot9=\boxed{-15+9(n-1)}
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Read 2 more answers
In order for you to use the goodnees-of-fit test, the test of independence, or the test of homogeneity, the expected frequencies
nataly862011 [7]

The condition for the expected value in the goodness of fit test is that the expected frequency is at least 5.

According to the statement

we have to find the condition of the expected values in the case of testing of goodness-of-fit test.

So, For this purpose we know that the

The goodness of fit test is of a statistical model describes how well it fits a set of observations. Measures of goodness of fit typically summarize the discrepancy between observed values and the values expected.

So, The main condition of the expected value for the goodness of fit test is

For each​ category, the expected frequency is at least 5.

Without this condition the test is not possible, so overall this the main condition related the goodness of fit test.

So, The condition for the expected value in the goodness of fit test is that the expected frequency is at least 5.

Learn more about goodness of fit test here

brainly.com/question/17257574

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6 0
1 year ago
Can anyone help me in Ptolemy's theorem?
GalinKa [24]

Answer:

Well, I'm not sure what you mean but Ptolemy's Theorem gives a relationship between the side lengths and the diagonals of a cyclic quadrilateral; it is the equality case of Ptolemy's Inequality. Ptolemy's Theorem frequently shows up as an intermediate step in problems involving inscribed figures.

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3 years ago
What is the exact distance from (−4, −2) to (4, 6)?
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The distance between any two points is:

d^2=(x2-x1)^2+(y2-y1)^2

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d^2=8^2+8^2

d^2=64+64

d^2=128

d=√128 units
6 0
3 years ago
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