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Len [333]
3 years ago
5

Plz help been stuck on this for awhile

Mathematics
1 answer:
Kazeer [188]3 years ago
7 0

Answer:

<em>d</em> = \sqrt{74}  or 8.60

Step-by-step explanation:

(5, 8) (-2, 3)

Let 5 = x_{1}

     8 = y_{1}

     -2 = x_{2}

     3 = y_{2}

Plug in the values into the equation to get the distance:

<em>d = </em>\sqrt{(x_{2}-x_{1})^{2} + (y_{2}-y_{1})^{2}    }<em />

<em>d </em>= \sqrt{(-2-5)^{2} + (3-8)^{2} }

<em>d = </em>\sqrt{(-7)^{2} + (5)^{2}  }

<em>d</em> =  \sqrt{49 + 25}

<em>d = </em>\sqrt{74} or 8.60

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the population of woodstock, Ga is about 23,896 people,and the city encompasses 11.3 square miles. What is the population densit
aev [14]

The population density of Woodstock is 2114.7 people per square mile

Step-by-step explanation:

Population density is the number of people per square kilometer or per square mile

Given

Number of people = 23896

Area = 11.3 square miles

The population density is given by the formula:

Population\ density=\frac{Number of People}{Area}\\=\frac{23896}{11.3}\\=2114.69=>2114.7\ people\ per\ square\ mile

Hence,

The population density of Woodstock is 2114.7 people per square mile

Keywords: Population density, Area

Learn more about population density at:

  • brainly.com/question/2367554
  • brainly.com/question/2670657

#LearnwithBrainly

8 0
4 years ago
A researcher plans to conduct a significance test at the 0.01 significance level. She designs her study to have a power of 0.90
Rasek [7]

Answer: 0.10

Step-by-step explanation: The type 2 error is committed when the alternative hypothesis is rejected when it should have been accepted causing the researcher to accept the null hypothesis which is false.

Power is the probability of avoiding a type 2 error. That is ;

Power = 1 - P(type 2 error)

Given that power = 0.90 ; P(type 2 error) = probability of committing a type 2 error.

P(type 2 error)' = 1 - P(type 2 error) = Probability of not committing or avoiding a type 2 error

0.90 = 1 - P(type 2 error)

P(type 2 error) = 1 - 0.90

P(type 2 error) = 0.10

6 0
3 years ago
Find the difference: -7 -− (-2) =<br> A<br> 9<br><br> B<br> -9<br><br> C<br> 5<br><br> D<br> -5
AveGali [126]

Answer: B. −9

Step-by-step explanation: -7--(-2)

−7+−2

−9

8 0
3 years ago
Given that (-3,-3) is on the graph of f(x), find the corresponding point for the function f(x)-5
nexus9112 [7]
We have the following function and point:
 The originial function is f (x).
 The original function contains the point (-3, -3).
 The transformation f (x) - 5 shifts the graph 5 units to the bottom.
 Therefore, the new point is:
 (-3, -3-5) = (-3, -8)
 Answer:
 
the corresponding point for the function f (x) -5 is:
 
(-3, -8)
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3 years ago
Keona pours 128 ounces of water into a jar 3 times to fill it. How many pints of water does it take to fill the jar?
Alex Ar [27]
42.66666 repeating value so 42.66666667
6 0
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