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Veronika [31]
3 years ago
9

In a​ triangle, the measure of the first angle is twicetwice the measure of the second angle. the measure of the third angle is

100 degrees100° more than the measure of the second angle. use the fact that the sum of the measures of the three angles of a triangle is 180degrees° to find the measure of each angle.
Mathematics
1 answer:
SSSSS [86.1K]3 years ago
7 0
Angle is 100 degrees 100
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Answer:

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Step-by-step explanation:

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Assuming that the spinner has 4 different colors (red, orange, violet and yellow) - see attachment.

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Assuming the number cube has 6 sides numbered 1, 2, 3, 4, 5 and 6.  Therefore, the even numbers are 2, 4 and 6.

\implies \sf P(B)=\dfrac{3}{6}=\dfrac{1}{2}

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For independent events A and B:

\implies \sf P(A \cap B)=P(A)P(B)

To find P(A and B), substitute the found values of P(A) and P(B):

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Convert into fractions 65%
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A random sample of house sizes in major city has a sample mean of x¯=1204.9 sq ft and sample standard deviation of s=124.6 sq ft
ki77a [65]

Answer:

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Step-by-step explanation:

According to the empirical rule  about 68% of the data is within one standard deviation of the mean; about 95% of the data is within two standard deviations of the mean ; about 99.7% of the data is within three standard deviations of the mean.

We have given:

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We can write it as

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and 1454.1  = 1204.9 + 249.2 = 1204.9 + 2(124.6)

Thus, 955.7 is 2 standard deviations left from the means and 1454.1 is 2 deviations right from the mean.

Then by empirical rule , about 95% of house sizes that lie between 955.7 and 1454.1 sq ft .

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Answer:

2187

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Easy
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