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Vlad1618 [11]
1 year ago
14

If the measure of arc AB is 50 degrees, what is the measure of angle ADB?

Mathematics
1 answer:
lubasha [3.4K]1 year ago
3 0

Answer:

25 degrees

Step-by-step explanation:

arc divided by 2 = angle

50/2=25

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max2010maxim [7]
I think the answer is 2
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3 years ago
The ages of 11 students enrolled in an on-line macroeconomics course are given in the following steam-and-leaf display:
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Answer:

The standard deviation of the age distribution is 6.2899 years.

Step-by-step explanation:

The formula to compute the standard deviation is:

SD=\sqrt{\frac{1}{n}\sum\limits^{n}_{i=1}{(x_{i}-\bar x)^{2}}}

The data provided is:

X = {19, 19, 21, 25, 25, 28, 29, 30, 31, 32, 40}

Compute the mean of the data as follows:

\bar x=\frac{1}{n}\sum\limits^{n}_{i=1}{x_{i}}

  =\frac{1}{11}\times [19+19+21+...+40]\\\\=\frac{299}{11}\\\\=27.182

Compute the standard deviation as follows:

SD=\sqrt{\frac{1}{n}\sum\limits^{n}_{i=1}{(x_{i}-\bar x)^{2}}}

      =\sqrt{\frac{1}{11-1}\times [(19-27.182)^{2}+(19-27.182)^{2}+...+(40-27.182)^{2}]}}\\\\=\sqrt{\frac{395.6364}{10}}\\\\=6.28996\\\\\approx 6.2899

Thus, the standard deviation of the age distribution is 6.2899 years.

7 0
2 years ago
Factor the Expression and choose the correct answer from the choices below.
pentagon [3]
The answer is (5p+6q)(5p-6q)
Steps:
Apply difference of the squares rule: x^2-y^2=(x+y)(x-y)
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Reduce the fraction
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Answer:

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Step-by-step explanation:

72/2 =36

120/2 =60

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30/2 =15

= 9/15

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2 years ago
The cost of 5 DVDs and a $15
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Answer:

$3

Step-by-step explanation:

the cost of 5 DVDs and a $15

you didn't ask anything

6 0
2 years ago
Read 2 more answers
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