# Posts by Nikki

Total # Posts: 726

Math
(With a TI-89 calculator) Graph x(t) = 3t^2 and y(t)=2-2t on [0,1]. Write a Cartesian equation that models this graph. Identify the initial and terminal points. I graphed both equations, but I didn't really get what [0,1] meant. I think it's an interval. Also, with the...

Technology in Health Services
Imagine you work for a health care or human service organization that does not use an intranet. Write a proposal to management that lists the elements of an effective intranet, why each element is important, and the benefits of building an intranet as opposed to only using the...

pronoun case
Which is proper english and why? 20a. My best friend and I are going to Hawaii this summer. 20b. My best friend and me are going to Hawaii this summer.

literature
The Call of the Wild, the supplies brought on the sled of Hal, Charles, and Mercedes, taken symbolically, represent A. their defining success in terms of possessions. B. life triumphing over death. C. an idealistic lust for life. D. an effort to bring civilization with them.

science
according to scientific hypothesis, how were earth's oceans formed? when do scientists hypothesiz they formed?

medical terminology/biochemistry
To fully eliminate all infectious microorganisms, which of the following measures must be used? A. Cleaning B. Washing C. Disinfection D. Sterilization

Math
Which of the following are examples of multiplicative inverses? 1) csc x and sin x 2) tan x and cot x 3) cos^-1 and cos x 4) ln x and e^x A. All of these B. 1 and 2 C. 1,2, and 3 D. 3 and 4 I know it's not all of them...but I'm leaning toward B. Help please? Thank you!

Linear Algebra
In 3-space, a plane abc is spanned by three points a, b, c. The point x does not lie on this plane. I'm trying to find the formulas used to find the point p on abc with minimal distance to x. I know the point p must be perpendicular to the point p and the plane. So, I ...

physics
A sled with a mass of 9.50 kg moves in a straight line on a frictionless horizontal surface. At one point in its path, its speed is 2.80 m/s; after it has traveled 2.50 m beyond this point, its speed is 6.50 m/s. Use the work-energy theorem to find the force acting on the sled...

physics
i still don't understand

physics
A soccer ball with mass 0.410 kg is initially moving with speed 4.30 m/s. A soccer player kicks the ball, exerting a constant force of magnitude 44.0 N in the same direction as the ball's motion. Over what distance must the player's foot be in contact with the ball to ...

Math
How do you figure out the csc(-390deg)? Thank you very much!

math
In a bottling company, a machine can fill a 2-liter (L) bottle in 0.5 second (s) and move the next bottle into place in 0.1 s. How many 2-L bottles can be filled by the machine in 2 h?

litureature
why not just help the kid who cant even spell literature lmao xD

English
What is a unnecessary shift, necessary shift, and a no shift?

math
2x+2x+2x 6x

Chemistry
What's the difference between ionic and covalent bonding? ~thank you

Cultural Diversity
What are pertinent issues between Native Americans and the federal government?

chemistry
i am not doing it right , first i got Hydrogen and then Helium...im not sure what im doing wrong

chemistry
A sample of neon effuses from a container in 73 seconds. The same amount of an unknown noble gas requires 149 seconds. Identify the gas.

algebra
keisha told her swim coach that she would swim at least half a mile. If one lap is 50 yards, what is the fewest number of laps she must swim?

algebra
jack and jessica earned the same amount last wek. They both work for the same hourly rate. Jack worked 18 hours and had \$42 deducted from his pay. Jessica worked 15 hours and had \$18 deducted from her pay. what was each person's last week salary?

chem
The air in a bicycle tire is bubbled through water and collected at 25 C. If the total volume of gas collected is 5.65 L at a temperature of 25 C and a pressure of 735 torr, how many moles of gas was in the bicycle tire?

chem
thank you!

chem
im not sure how to approach the problem i got 11.6 L

chem
Use the molar volume of a gas at STP to determine the volume (in L) occupied by 10.5g of neon at STP.

Chemistry
How can i find the manganese content of tea?

AP World History
On comparing Rome and Han China in a practice comparative essay for the AP Exams: "Rome and Han China had similarities in society, government, and how their empire fell, as well as differences in these same three areas." Is this a good thesis statement? If not, I'...

AP World History
On slaves in Rome and China (753 B.C.E.-600 C.E.): What are some of the passive-resistance tactics that slaves resorted to, and what did they achieve by these actions?

Geography
How do I find and plot the coordinates for all of the Florida huricaines in 2008 from Aug 28th until now?

math
Describe some practical applications for fractions in your daily life. What are the challenges you have experienced regarding the use of fractions? Explain your answers.

Math
(4b^4+2) - (7b^2-5) - (6b^4-2b^2) How do you exactly solve/simplify this? I get confused with the signs when it comes to adding/subtracting terms like these. Thanks much!

Math
Oh, wait...It should actually be this (sorry!) {[(6x+1)^3][(27x^2+2)}-{(9x^3+2x)](3)[(6x+1)^2](6)} over [(6x+1)^3]^2

Math
[(6x+1)^3][(27x^2+2)-(9x^3+2x)](3)[(6x+1)^2](6) over [(6x+1)^3]^2 Help me simplify please? Here's what I got so far: [(6x+1)^5]{(27x^2+2)-[x(9x^2+2)]}(18) over (6x+1)^6 It says in the back of the book (it's an odd problem that the answer is 27x^2-24x+2 over (6x+1)^4 ...

Math (Calculus?)
sorry about that. it was written like that in the book o.o'' It should be this (I think): [x^5*(-3)*[(x^2+1)^-4]*(2x)] - {[(x^2+1)^-3] * [(5)x^4]} over (x^5)^2

Math (Calculus?)
[x^5(-3)(x^2+1)^-4(2x)]-(x^2+1)^-3(5)x^4] / (x^5)^2 Can someone show my how to simplify this, step by step? So far I got that the denominator should be x^10 because of the exponents, and (x^2+1)^-4 could be simplified as [(x+1)(x-1)]/4, likewise with (x^2+1)^-3, except the ...

Math
5x^2 + 26x + 5 Besides guessing and checking, is there any other way or "trick" (preferably not time-consuming) to factor polynomials whose leading coefficient is NOT 1? Thanks much!

Math
(2x^2)^3/2 / 2^1/2x^4 can someone tell me how to simplify this? thanks much!

algebra II
this is called equations utilizng inverses how would i solve this problem: [ 15 18 ] = [ 6 -3] [ 34 27 ] [ 7 -2] A

algebra ll
how do i find the inverse of the matrix [ 10 9 ] [ 8 -1 ]

science
Describe at least three potential indoor air quality (IAQ) hazards in your home. What are the possible health impacts of each hazard? Do you believe your health is at risk based on your exposure to the three IAQ hazards? Why or why not? What can you do to reduce exposure to ...

English
Is there a site where it can accurately check grammar? I use the the Word grammar/spell check, and it still messes up at times :/ thanks much!

science
Provide a one sentence description of typical precipitation and temperature for summer and winter. Use terms such as cool, cold, warm, hot, dry, and wet. Then, identify the characteristics of a plant and animal that is seen regularly in your region. How do the characteristics ...

algebra
hi i was wondering if u can help me with this problem which says...stopping distance is breaking distance plus your reaction time. suppose you are told that the stoppin distance D is related to speed S by this equation: d(s)= 0.05s to the 2nd power+2.15s+1 and i need to slove ...

Law and Ethics
I submitted my HIPAA RESEARCH PROJECT and it was graded within 3 days. I received an 84!

Law and Ethics
I am also taking this same course with Penn Foster for Health Information Technology. I have been stuck on this research paper for about 1 month now. I'm wanting to finish it so badly. I have most of the answers except the one about the written privacy policies and ...

INTRODUCTION TO PSYCHOLOGY
What are some of the ways that Psychologists attempt to explain human behavior? One of the major debates within the field of Psychology is the degree to which nature versus nurture shape human behaviors and traits. What comprises our nature? How would you define nurture? How ...

science
thank you for the tip

science
Create an outline of the risk of using Malathion according to the four steps of risk assessment presented in Ch. 4, p. 73, Figure 4.1: o Hazard identification o Dose-response o Exposure o Risk characterization · Decide your vote for the city council based on your ...

Environmental Science
Post your response to the following: Reflect on your own worldview and compare it with the worldviews presented in the text. Provide examples of the benefits of your view to defend your position.

AP World History
A study question for George Orwell's "1984": Why is what the Party does to Winston UNLIKE other times in history when enemies were dealt with? The answer's going to be somewhere from the beginning of Part Three to Ch. IV, I'm just not sure what to answer...

World History
"A hierarchial society was only possible on a basis of poverty and ignorance." - From George Orwell's 1984 My first thought for the meaning of this quote was that a leveled society (low-med-high "class") would only be established by the poor and ...

205
In three of last four presidential races, the winner of the iowa repbulican primary has not captured the republican nomination. Therefore, the winner of the next iowa republican primary will not capture the republican nomination

Social Studies
Who deliberately stayed away from the covention during a crucial vote so that his colleague could cast Maryland's vote with a smaller state? Was it George Washington, Luther Martin, Danial St.Thomas Jenifer, or Abraham Baldwin.

Math - Geometry
Another question, hehe: By "two ends", you mean the radii of the circles?

Math - Geometry
A cylindrical solid has a cylindrical circular hold drilled out of the center. Bascially, it's a circular cylinder with a hollow spot right down the middle. Find the surface area of the resulting solid. radius of larger circle: 2in radius of smaller circle (hollow area): ...

english
what are the branches of english

Geometry
Find the area of a regular pentagon with radius 3cm. Round to the nearest tenth. No picture is given, but I believe a circle can surround the figure. I'm not really sure how to find the area of the figure when the side length isn't given. Can you guys help me? Thanks ...

physics
did anyone get the answer to this problem?

religion
The basis of Jewish faith is found in which part of the Bible?

literature/poetry
bob that made me laugh lmaooo

science
what is the name of the force that slows the boat down

algbra
It was an acher!

Geometry
The question is to find the measure of arc PQ in Circle A. The point A is the center of the circle, and the chords PR and SQ intersect at the center. Arc PQ is (3y-10), while arc SR is (2y+20). I know there's a theorem that states that when two chords intersect in the ...

Geometry
A circle is circumscribed by a pentagon. The sides are all tangent to the circle. (It's a bit hard to explain without a picture, so I'll do my best.) The pentagon is QSUWY. However, there are points in between all five sides. In SQ lies point R, SU point T, UW point V...

english
I asked a similar question earlier, but I wasn't clear enough. The subtitle of Auden's The Unknown Citizen is "To JS/07/M/378 This Marble Monument is Erected by the State" So, is the entire poem an obituary written on the monument? Or is it a government ...

english
Okay... these are a lot of questions! would Auden's 'The Unknown Citizen' be an example of reductio ad absurdum? And is the entire poem an epitaph? Or is it simply the persona speaking? Would you say it is a combination of elegy and satire?

Physics
When you look at a distant galaxy through a telescope, how is it that you're looking backward in time?

TO PsyDAG
Thank You

Physics
Why do objects illuminated by moonlight lack color?

TO PsyDAG

Physics
What astronomical event would be seen by observers on the Moon at the time the Earth experiences a lunar eclipse? At the time the Earth experiences a solar eclipse?

Social Science
Charateristic of nonverbal and verbal communication for audiences in tense situation (supervisor & instructors)

science
Does asexual reproduction use meiosis or mitosis?why?

AP CHEM
help please. i don't even know where to start An empty glass container has a mass of 658.572 g. It has a mass of 659.452 g after it has been filled with nitrogen gas at a pressure of 790. torr and a temperature of 15?C. When the container is evacuated and refilled with a ...

DeRidder High
I HAVE A TAXONOMY PROJECT DUE TOMORROW AND I REALLY DO NOT UNDERSTAND EXACTLY HOW TO DO IT. AT THE TOP IT SAYS "IN THE YEAR 2525" I DO NOT KNOW HOW TO WORK THIS. CAN YOU PLEASE HELP ME OUT????

OCS
2X or X squared ????

OCS
What is X times X

"I" is the subject. "gave an apple to the horse." is the predicate.

English
What are some ideas of writing a satire or parody of a stereotype in todays western world.

Math
Please help with this question. Determine an algebraic model for Alvins data and use it to make a reasonable prediction for the population in 2036. I am having trouble with the algebraic model. thanks

English
Could you give me an example of a stereotype satire, this sort of confuses me as well. Thanks

English
I have to write a movie/tv script satirizing/parodying gender stereotypes as they are seen in western media today. It has to have one female and male gender stereotype but the twist is we must satirize the gender stereotypes in our script. Could you please explain this to me ...

Math - Geometry
Two right triangles are touching at the tips. The left triangle has the 90 degree angle to the bottom left, and 33 degrees on the bottom right. Based on this info, the other angle is 57 degrees. The right triangle has the right angle given, but it is on the top right, and the ...

Math -
-3R-15=3R-3 -6R=-12 -12/6=2 R=-2

Math ?
Which of these numbers is prime? Explain why or why not. 407 409 411 413

Language Arts
I am in a verse chior group for oral language and I need an oral language peice that is up to 8th grade reading level. Any ideas?

social studies
whats one way the earths crust change??

Math-Geometry
Angle BOC equals 60 degrees, so again, AOC is 94 degrees. If I add AOB, BOC, and COD, I get the measure of DOA, which is 128. Thank you!!!

Math-Geometry
B is in the interior of angle AOC. C is in the interior of angle BOD. D is in the interior of angle COE. The measure of angle AOE is 162 degrees, COE is 68 degrees, and the measures of angles AOB, COD, and DOE are all equal. The question is to find the measure of angle DOA. (...

Science
c.24

discrete math
Express the quantification: Existential(!)x P(x) using universal quantifications, existential quantification and logical expressions. For sake of typing this question, I'm going to let "E" be the existential quantifier, "A" be the universal quantifier&...

social studies
I think they worked together so that they could get there work done faster and get more shelter:)

Early Childhood Literacy
I need some input on these questions. If you feel I'm wrong-please let me know. Thanx for helping! 1.Which one of the following would NOT be typical communication for a three- year-old? A. "That's scary!" B. "I'm hungry." C. "Nobody likes ...

english
In the sentence: Supreme Court judges see many cases. Should judges be Capitalized?

english
I need to fix this sentence: After the settlers came our countrys landscape changed mountains wer bare and many streams went dry Please help I'm not good w/ punctuation You have two separate sentences here. They should either have a period or a semi-colon between them. ...

need guidance on an algebra problem
20 x+3(y-1)=11 2(x-y)+8y = 28 multiply out 20 x+3y-3=11 - Is this correct? 2x+14y = 28 Using the addition method, would you multiply the first problem by 2 and the second by 20? No. In the second multiply out, you should have gotten 2x -1y+8y=28 or 2x+7y=28 No, in the ...

Pre Algebra
Please help me with some problems. Thank you! Solve the equation by square root property. 3. 2x^2 = 26 I don't understand how to solve this problem. Solve the equation using the quadratic formula. 7. 7x^2=-8x -2 This is what I got x= -8 -or+ square root -8/14 8. 16x^2+1=5x...

Math 110
Multiply 28x72 using lattice method. Write 278 as a product of prime numbers.

Chemistry Logic
There is no base, only acid and conjugate base the HONH3 acts as the acid here, and the HONH2 is its conjugate base. its the same exact thing as if the equation were HONH3 >< HONH2 + H(+)

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