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Doss [256]
3 years ago
5

What is the appropriate measure of angle B?

Mathematics
1 answer:
erica [24]3 years ago
8 0

Answer:

36.87

Step-by-step explanation:

sin(b)/12 = .05

arcsin(.6) = 36.87

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Use the diagram below to find x
scoundrel [369]

Answer:4 is the answer

Step-by-step explanation:

7 0
4 years ago
Calculate the range, population variance, and population standard deviation for the following data set. If necessary, round to o
Roman55 [17]

Answer:

Range = 11-2=9

\mu = \frac{2+3+4+5+6+7+8+9+10+11}{10}=6.5

\sigma^2 =8.25 \approx 8.3

\sigma = \sqrt{8.25}= 2.87 \approx 2.9

Step-by-step explanation:

Assuming this question: "Calculate the range, population variance, and population standard deviation for the following data set. If necessary, round to one more decimal place than the largest number of decimal places given in the data. 2,3,4,5,6,7,8,9,10,11 "

Solution to the problem

The range is defined as Range = Max -Min and if we replace we got:

Range = 11-2=9

Now we can calculate the population mean with this formula:

\mu =\frac{\sum_{i=1}^n X_i}{N}

And if we replace we got:

\mu = \frac{2+3+4+5+6+7+8+9+10+11}{10}=6.5

The population variance is given by:

\sigma^2 = \frac{\sum_{i=1}^n (X_i -\mu)^2}{N}

And after replace we got: \sigma^2 =8.25 \approx 8.3

And the population standard deviation would be just the square root of the variance and we got:

\sigma = \sqrt{8.25}= 2.87 \approx 2.9

4 0
4 years ago
How would you do this, I am very confused
AfilCa [17]
Triangle has a total of 180 degrees

add up all angles 
A+B+C = 3x+5+4x-2+2x+6=180
9x=171
x=19

Plug x values into the A , B and C expressions and you get your answers
7 0
4 years ago
Read 2 more answers
8. Find the scale factor of a cube with volume 729 ft3 to a cube with volume 2744 ft3
aleksandr82 [10.1K]
Let
x--------> scale factor

we know that
[smaller volume]*x³=[larger volume]
so
x=∛[larger volume/smaller volume]
x=∛[2744/729]
x=1.56

the answer is
<span>the scale factor is 1.56</span>


7 0
3 years ago
What is 43 percent of 84
Misha Larkins [42]

Answer:

36.12

Step-by-step explanation:

43% of 84 can be rewritten to 43% * 84 or 43/100 * 84.

43/100 * 84/1 = 3612/100

3612/100 = 36.12

3 0
3 years ago
Read 2 more answers
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