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tigry1 [53]
3 years ago
10

Please help with this

Mathematics
2 answers:
valina [46]3 years ago
7 0

Answer:

the answer is A. 99 degrees because 81 + 18 = 99

makvit [3.9K]3 years ago
7 0

Answer:

99°

Step-by-step explanation:

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An arc subtends a central angle measuring 7pi/4 radians
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Answer:

\frac{7}{8}

Step-by-step explanation:

In any circle the following ratios are equal

\frac{centralangle}{2\pi } = \frac{arc}{circumference}

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Find the value of the numerical expression 2^4
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Whats 42.12500 rounded to the nearest whole number?
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3 years ago
Read 2 more answers
Four dice, each numbered in the usual way from 1 to 6, are colored white, red, green and blue respectively. After casting them a
Delvig [45]
Suppose that the numbers that the boy being cast from the dice are 3 4 5 6.
 3 stands for white, 4 stands for red, 5 stands for green and 6 stands for blue.
  We need to interpret the statement given above.   The set of numbers is 3 4 4 6 6 5.
First, we need to get the mean of this set. Add all the numbers and divide by the total number that the set has. 
 3+4+4+6+6+5=  28 / 6
                        = 4.67    The mean is 4.67
For the variance, we will use the mean above ( 4.67 )

1. Squared the mean and subtract how many numbers are present in the set. 
   4.67x4.67= 21.8089 /6 = 3.64 set aside this result
2. Next squared all the numbers present in the set and add the result 

  3x3= 9 , 4x4= 16, 4x4=16, 6x6=36, 6x6=36, 5x5=25

9+16+16+36+36+25= 138 

3. Subtract the result of #2 with #1
          138 - 3.64=  134.36 set this aside

4. Subtract 1 from the total numbers you have in your set

 6 - 1= 5 

5. Divide the result we have in #3 with the result of #4

  134.36 / 5= 26. 872

So the variance is 26.872 
5 0
3 years ago
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