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Effectus [21]
2 years ago
13

See attachment below.

Mathematics
1 answer:
larisa86 [58]2 years ago
4 0

<u>27</u><u>.</u><u>2</u><u> </u><u>in</u><u>.</u>

Step-by-step explanation:

Using 2 pi r theta over 360°

Arc length =2/3 x pi x 13 in.

=27.227136 in.

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2. Perpendicular to y=1/2x -6 that passes through (6,-4) <br> PLEASE HELP ME ASAP
iren [92.7K]

Answer:

To get the slope (which we'll call n) of a line perpendicular to another line with slope (a/b), use

n = \frac{-b}{a}

Then we just plug in the point we want to cross and solve for the constant.

Step-by-step explanation:

we see that m = \frac{1}{2}

so, n = -\frac{2}{1} = -2

now we have the equation

-2x + b = y

plugging in (6, -4) we get

-2(6) + b = -4\\-12+b = 4\\b=4+12=16

This gives us our function

y = -2x + 16

3 0
2 years ago
Evaluate 3 to the power of 3 + 6 (2 + 3/6)
melamori03 [73]
If 3 + 6(2 + 3/6) is actually the power, then simplify 3 + 6(2 + 3/6) as a first step.  Must follow Order of Operations rules (PEMDAS):  mult and div BEFORE addition and subtraction. 

Thus, 3 + 6(2 + 3/6)  = 3 + 6 (15/6)
                                   = 3 + 15  =  18.

Then:  3^18 is the answer.  You could expand this if you wanted, but what would be the point of that?
8 0
3 years ago
An exponential function has a growth factor or 3.76. What is the percentage growth rate?
olganol [36]

The exponential function with a growth factor has a rate greater than 1

The percentage growth rate is 276%

<h3>How to determine the percentage growth rate?</h3>

The growth factor (b) is given as:

b = 3.76

The growth factor (b) is greater than 1.

So, the percentage growth rate (r) is calculated as:

r = b - 1

Substitute known values

r = 3.76 - 1

Evaluate the difference

r = 2.76

Express as percentage

r = 276%

Hence, the percentage growth rate is 276%

Read more about exponential functions at:

brainly.com/question/11464095

7 0
2 years ago
What was the range of the snowfall in Denver?
Mama L [17]
9.2 - 4.8 Your answer is 4.4
4 0
4 years ago
Read 2 more answers
Give another definition of variability and explain how it can be calculated.
coldgirl [10]

Answer:

Variability (also called spread or dispersion) refers to how spread out a set of data is. Variability gives you a way to describe how much data sets vary and allows you to use statistics to compare your data to other sets of data. The four main ways to describe variability in a data set are: range. Interquartile range.

Step-by-step explanation:

4 0
3 years ago
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