choose a topic for you research paper related to human services profession. provide a 250 -300 words on why you chose your topic
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Halley’s comet has an elliptical orbit with the sun at one focus. Its orbit shown below is given approximately by In the formula, r is measured in astronomical units. (One astronomical unit is the average distance from Earth to the sun, approximately 93 million miles.) Find the distance from Halley’s comet to the sun at its greatest distance from the sun. Round to the nearest hundredth of an astronomical unit and the nearest million miles.
A. 12.13 astronomical units; 1128 million miles
B. 91.54 astronomical units; 8513 million miles
C. 5.69 astronomical units; 529 million miles
D. 6.06 astronomical units; 564 million miles
Question 2 of 20
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Use the center, vertices, and asymptotes to graph the hyperbola.
(x – 1) 2 – 9(y – 2) 2= 9
A.
B.
C.
D.
Question 3 of 20
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Find the standard form of the equation of the ellipse and give the location of its foci.
A. += 1 foci at (- , 0) and ( , 0)
B. –= 1 foci at (- , 0) and ( , 0)
C. + = 1 foci at (- , 0) and ( , 0)
D. + = 1 foci at (-7, 0) and ( 7, 0)
Question 4 of 20
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Rewrite the equation in a rotated x’y’-system without an x’y’ term. Express the equation involving x’ and y’ in the standard form of a conic section.
31x 2 + 10 xy + 21y 2-144 = 0
A. x‘2 = -4 y’
B. y‘2 = -4x’
C. += 1
D. + = 1
Question 5 of 20
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Find the standard form of the equation of the ellipse satisfying the given conditions. Foci: (0, -2), (0, 2); y-intercepts: -5 and 5
A. + = 1
B. + = 1
C. += 1
D. + = 1
Question 6 of 20
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Find the vertices and locate the foci for the hyperbola whose equation is given.
Write the equation in terms of a rotated x’y’-system using θ, the angle of rotation. Write the equation involving x’ and y’ in standard form. xy +16 = 0; θ = 45°
A. + = 1
B. y‘2 = -32x’
C. += 1
D. –= 1
Question 8 of 20
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Write the appropriate rotation formulas so that in a rotated system the equation has no x’y’-term.
10x 2 – 4xy + 6y 2– 8x + 8y = 0
A. x = -y’; y = x’
B. x = x’ – y’; y = x’ + y’
C. x = (x’ – y’); y = (x’ + y’)
D. x = x’ – y’; y = x’ + y’
Question 9 of 20
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Find the location of the center, vertices, and foci for the hyperbola described by the equation.
– = 1
A. Center: ( -4, 1); Vertices: ( -10, 1) and ( 2, 1); Foci: and (
B. Center: ( -4, 1); Vertices: ( -9, 1) and ( 3, 1); Foci: ( -3 + , 2) and ( 2 + , 2)
C. Center: ( -4, 1); Vertices: ( -10, -1) and ( 2, -1); Foci: ( -4 – , -1) and ( -4 + , -1)
D. Center: ( 4, -1); Vertices: ( -2, -1) and ( 10, -1); Foci: and
Question 10 of 20
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Sketch the plane curve represented by the given parametric equations. Then use interval notation to give the relation’s domain and range.
x = 2t, y = t 2+ t + 3
A. Domain: (-∞, ∞); Range: -1x, ∞)
B. Domain: (-∞, ∞); Range: [ 2.75, ∞)
C. Domain: (-∞, ∞); Range: [ 3, ∞)
D. Domain: (-∞, ∞); Range: [ 2.75, ∞)
Question 11 of 20
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Use vertices and asymptotes to graph the hyperbola. Find the equations of the asymptotes.
y = ±
A. Asymptotes: y = ± x
B. Asymptotes: y = ± x
C. Asymptotes: y = ± x
D. Asymptotes: y = ± x
Question 12 of 20
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Graph the ellipse.
16(x – 1) 2 + 9(y + 2) 2= 144
A.
B. "Looking for a Similar Assignment? Get Expert Help at an Amazing Discount!"
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1.What are the odds of rolling a seven using two, standard, fair dice?
2. Two new tests have been developed to diagnose Condition Z. One test (Test A) measures a metabolite “Metabolite A†in the serum. The other test (Test B) measures a different metabolite, “Metabolite B†in the urine. After appropriate preliminary testing, human trials are conducted. Following informed consent, the two tests were run on a group of patients with each patient getting both tests, as well as the “gold standard†test for diagnosing Condition Z. The following data were obtained:
Important!!!! Since some answers depend on the results you obtained in previous sections of the problem, it is important for you that you show *all* work, since I will give partial credit if your analysis and set up are correct, even if your numerical result is incorrect.
Serum level (metabolite A)# of patientsDisease positiveDisease negative
(mg / ml)(by gold standard)(by gold standard)
0 – 1.9925223
2.0 – 3.9927320172
4.0 – 5.9958457212
6.0 – 7.995385299
8.0 – 9.991751705
>10.014140
Urine level (metabolite B)
(ng/ml)
0 – 2.9930525
3.0 – 5.9924546199
6.0 – 8.9942340023
9.0 – 11.996286208
12.0 – 14.991751696
15.0 – 17.9999954
>18.0990
a)For test A, a cutoff value of 4.0 mg / ml of metabolite A is chosen as the boundary between a negative and a positive test result (i.e., values below 4.0 mg / mlare considered “negative†and values of 4.0 mg / ml or greater are considered “positiveâ€).
For test B, a cutoff value of 6.0 ng / ml for metabolite B is chosen as the boundary between a negative and a positive test result (i.e., values below 6.0 ng / ml are considered “negative†and values of 6.0 ng / ml or greater are considered “positiveâ€).
i.Create a fully labeled 2 x 2 table for test A
ii.Create a fully labeled 2 x 2 table for test B
iii.Which test is the more sensitive at diagnosing Condition Z?
iv.Which test is the more specific at diagnosing Condition Z?
b)What is the post-test probability of disease being present in a patient with a positive test result for test A if the pre-test probability of Condition Z is 8%, and the cutoff value of 4.0 mg/ml is chosen?
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•Consider the ethical implications of disclosure and nondisclosure.
•Research federal and state laws for advanced practice nurses. Reflect on the legal implications of disclosure and nondisclosure for you and the health clinic.
•Consider what you would do as the advanced practice nurse in this scenario including whether or not you would disclose your error.
•Review the Institute for Safe Medication Practices website in the Learning Resources, PLU 3 current, related articles or resources . Consider the process of writing prescriptions. Think about strategies to avoid medication errors.
To complete:
Write a 2- to 3- page paper that addresses the following:
•Explain the ethical and legal implications of disclosure and nondisclosure. Be sure to reference laws specific to your state. (Georgia)
•Describe what you would do as the advanced practice nurse in this scenario including whether or not you would disclose your error. Provide your rationale.
•Explain the process of writing prescriptions including strategies to minimize medication errors.
•Drug Enforcement Administration. (n.d.). Mid-level practitioners authorization by state. Retrieved from August 23, 2012, http://www.deadiversion.usdoj.gov/drugreg/practioners/index.html
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explain the scientific method and describe the overall manner in which you would appluy it in your field of study or everyday life
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Imagine that you are a consultant for an organization, and they want you to work on developing their core values. The organization would like their core values to reflect key attributes of their culture.
Select an organization, such as a company, community group, or nonprofit organization.
Create a 10- to 12-Microsoft® PowerPoint® slide presentation describing cultural, research-based models and how they help clarify the organization’s core values.
Include at least three credible, peer-reviewed references.
Format the citations in your presentation consistent with APA guidelines.
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In the formula, r is measured in astronomical units. (One astronomical unit is the average distance from Earth to the sun, approximately 93 million miles.) Find the distance from Halley’s comet to the sun at its greatest distance from the sun. Round to the nearest hundredth of an astronomical unit and the nearest million miles.
+ 
= 1 
, 0) and ( 
– 
= 1 
xy + 21y
y’
+ 
= 1
+ 
= 1
+ 
= 1
+ 
= 1
+ 
= 1
+ 
= 1
, 0), ( 
, 0), (
+ 
= 1
+ 
= 1
x’ – 
y’; y = 
(x’ – y’); y = 
x’ – 
y’; y = 
–
= 1
and 
, 2) and ( 2 + 
and 
x
x
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