Saturday
November 22, 2014

# Posts by Confused

Total # Posts: 301

college algebra word problem
Here's the problem I was asked: You are visiting your parents on a farm. They have asked you to design a small rectangular-shaped vegetable garden along an existing wall in their backyard. They wish to surround it with a small fence to protect their plants from animals. ...
December 2, 2009

maths
im trying to rearrange the following equation for x but getting confused because of the brackets and squares. I understand the process of changing the subject but on more simple equations. Please can you help me. Here's the equation y = 3(x+5)^2
November 19, 2009

HCA/219
What are some of the challenges to using a managed care approach in mental health care? How does a managed care model of mental health care reduce health care spending?
November 15, 2009

Math
Sorry, Yes the correct equation is -t^2 + 12t + 54
November 3, 2009

Math
The Political Noise Problem. The amount of background noise is important to television news reporters. One station developed the formula showing the noise level in decibels (N) as it relates to the time after the speaker stops talking in seconds (t). Use the equation below to ...
November 3, 2009

Algebra
f(x)=-x^2(x+3)(x-2) What are the x and y intercepts? Thanks!
October 12, 2009

Algebra
thanks!
October 5, 2009

Algebra
Find the equation of the ellipse with vertices at (-1,3) and (5,3)and length of minor 4.
October 5, 2009

physics
Okay, I get it now. Thanks Bob
October 5, 2009

physics
Two strong magnets on opposite sides of a small table are shown. The long-range attractive force between the magnets keeps the lower magnet in place. Suppose the weight of the table is 26.7 N, the weight of each magnet is 6.55 N, and the magnetic force on the lower magnet is 2...
October 5, 2009

math
A Ferris wheel 28.0m in diameter rotates once every 21.0s. What is the ratio of a person's apparent weight to her real weight at the top? What is the ratio of a person's apparent weight to her real weight at the bottom?
October 2, 2009

algebra
Graph the line containing the given pair of points and find the slope (1,0) , (-5, -3) -3-0/-5-1 + -3/4 so the slope would be M=-3/4 but how do you graph -3/4? Am I looking at this correctly.
September 12, 2009

algebra
I get it thank you But I still can't get 2004, and 2008 right could you help?
September 12, 2009

algebra
what I did was: because of the minus sign 8 becomes -8 34-49 is -15 -8-(34-49) is 7 multiply 5 and 7 so it = 35
September 12, 2009

cultural diversity
Arab describes an ethinicty, like saying someone is hispanic or something. Muslim means that they follow the Islamic religion
August 27, 2009

Math
M divided by five How would i translate that
August 27, 2009

English
1- wear waterproof sun screen, cause it is bad for the ocean. 2-use firendly enviroment safe clean prodcts on boats. 3-Be careful of what prodcts you buy at home cause that all will eventaully go back into the ocean. 4-Do not buy coral, cause it is taken from the ocean 5-do ...
August 27, 2009

Math
iam jsut trying to show an example for an equation
August 24, 2009

Math
August 24, 2009

I saw this picture before I think you posted it or someone on here h t t p : / / w w w . l o w e l l p h y s i c s . o r g / b e t a / T e x t b o o k % 2 0 R e s o u r c e s / C h a p t e r % 2 0 1 1 . % 2 0 R o l l i n g , %2 0 T o r q u e , % 2 0 a n d % 2 0 A n g u l a r...
August 10, 2009

because if you used that angle then the force of gravity wouldn't be the hypotenuse which it clearly is in the equations fg x = fg sin theta 2 = fg sin 37 fg y = fg cos theta 1 = fg cos 37 I understand components and why you have to resolve into components and that they ...
August 10, 2009

confused
I guess I just don't get it I understand resolving into components I agree with this fg x = fg sin theta 2 = fg sin 37 fg y = fg cos theta 1 = fg cos 37 i see were that comes from my only concern is if you use the angle that the ramp makes with the surface it sits on as ...
August 10, 2009

bus
A person was caught with inappropriate use of internet. Can someone tell me if this is right or how to word this
June 18, 2009

Accounting
The following data represent total personnel expenses for the Palmdale Human Service Agency for past four fiscal years: 20X1 \$5,250,000 20X2 \$5,500,000 20X3 \$6,000,000 20X4 \$6,750,000 Forecast personnel expenses for fiscal year 20X5 using moving averages, weighted moving ...
May 21, 2009

CRT205
I am not sure if I should have included 'One can say' in my conclusion. What do you think? If I don't include it then no it doesn't support the conclusion. Why do you think it wouldn't be considered weak?
February 8, 2009

CRT205
Do you find my answers after the piece of the article to be correct? Do you think my argument is, in fact, and argument? Clearly sheer numbers do not always impress us. It is unlikely, for example, that many Americans *Note: This essay borrows very heavily from “A ...
February 8, 2009

CRT205
Since it is the very nature of terrorism not only to cause immediate damage but also to strike fear in the hearts of the population under attack, one might say that the terrorists were extraordinarily successful, not just as a result of their own efforts but also in ...
February 8, 2009

CRT205
Other questions have been asked about the article "Contolling Irrational Fears After 9/11 and Identifying at least two arguments and answering the questions on the syllabus. -I have found two which I think can be used. Will you please let me know if these are proper ...
February 8, 2009

chemistry
yes i was meaning C. For some reason im still getting the wrong answer probably my math, im going to keep trying it...thanks for your help
January 24, 2009

chemistry
The final answer is suppose to be in C. So therefore, would I solve the problem in Kelvin then convert back to degrees?
January 24, 2009

chemistry
Benzene has a heat of vaporization of 30.72kj/mol and a normal boiling point of 80.1 C . At what temperature does benzene boil when the external pressure is 445 ? This is how I am solving this problem, but when I enter the answer it says im wrong. Can someone help with the ...
January 24, 2009

MATH CHECK
COS[ARCSIN (SIN 3PI/4)] =COS[ARCSIN (SQRT2/2)] =COS [PI/4] = SQRT2/2
December 11, 2008

Math
A function is a rule, which assigns one and only one range element to each and every domain element? I want to answer that this is true but the word "every" is questionable. am i reading too much into this?
December 11, 2008

Math Prob
ok for changing the base of a log from 10 to e is there a formula?
December 11, 2008

math
Thanks! how do u determine that they are both -7 though? Doesn't it have to equal 21? or doesn't that 21 matter?
December 5, 2008

math
What is The solution set of 2k^2=21k-49 ?
December 5, 2008

math
what are the modifications and x intercepts of the cubed root of (1-x)-1?
November 3, 2008

physics
You can't solve for t from that though can you? If you use quadratic equation its a negative sign under the root and you can't take the root of that. I'm confused:S
October 28, 2008

physics
A box moves down a conveyor belt the is angled at 15 degrees, at a rate of 6m/s. The box then enters a dump off that is 3m below the end of the belt, what is the horizontal distance between the dump off and the belt? I have no idea where to start with this...I know you have x ...
October 28, 2008

Physics
A box moves down a conveyor belt the is angled at 15 degrees, at a rate of 6m/s. The box then enters a dump off that is 3m below the end of the belt, what is the horizontal distance between the dump off and the belt? I have no idea where to start with this...I know you have x ...
October 28, 2008

Physics
nvm i got it
October 7, 2008

Physics
A car is going 20m/s when they see a traffic light 200m ahead turn red. The traffic light is known to stay red for 15s. The driver wants to reach the light as it turns green. It takes them 1s to press the breaks and the car slows down at a constant rate. What is the speed that...
October 7, 2008

chem.
How many electrons can an orbital hold? I know the answer is 2, but how do you get there? And how do you figure out how many 2p orbitals there are in an atom?
October 1, 2008

economics
what is supply and demand?
September 1, 2008

History
Can someone help me find some websites speaking about the social, political, and economic compositions of the Reganomics and how it affected our political climate?
August 3, 2008

History
Describe the social, economic, and political composition of the decade of corporate greed and how it affected the political climate of the 1980s. Keep in mind that Reagan's tax policies favored some people over others.
August 3, 2008

IB Algebra
can you help me with my questin though?
May 7, 2008

Biology (Psychology)
What could you infer/say if a person could distinguish the difference between regular and low fat foods? It's for my science fair project. Like, besdies saying that they have an extraordinary sense of taste... >.> And make it about the individual; not as a group of ...
May 4, 2008

Chem
Ascorbic acid, H2C6H6O6, is a diprotic acide with a K1= 7.9 E-5 and a K2=1.6E-12. In a .005 M aq solution of ascorbic acid which of the following species is present in the lowest concentration. 1. H2O 2. H3O 3. H2C6H6O6 4. HC6H6O6 5. C6H6O6
April 22, 2008

Chem
.1 M HCl + .1 M NaCl .1 M HF + .1 M NaF .1 M HBr + .1 M NaBr Which of the above would be considered buffers?
April 22, 2008

chemistry
Delta H is positive, the reaction is endothermic therefore not spontaneous.
April 22, 2008

Chemistry
If 2 moles of electrons are required to oxidize 1 mole of unknown, what is the molarity of the unknown solution?? is the molarity reduce to half??
April 6, 2008

Chemistry
I'm doing an Equivalent Weight and Normality experiment and I got very confused on the discussion questions.[ the unknown is titrated with the KMnO4] 1) In this experiment MnO4- is reduced to Mn2+ by the unknown. What is the equivalent weight of MnO4- for this experiment. ...
April 6, 2008

accounting
How do I figure out the portion of the company’s total assets that are being financed with debt?
April 4, 2008

Chemistry
Three samples of an unknown acid are titrated with 0.4901 M NaOH. The average equivalent weight of the acid using the data below is g/equiv ? the mass of unknown for trial 1 is 1.02, trial 2 is 0.522, trial 3 is 0.742 volume of NaOH in trial 1 is 27.72, trial 2 is 14.22, and ...
April 2, 2008

Chemistry
Three samples of an unknown acid are titrated with 0.4901 M NaOH. The average equivalent weight of the acid using the data below is g/equiv mass of unknown vol NaOH trial 1: 1.02 27.72 trial 2: .522 14.22 trial 3: .742 20.02
April 2, 2008

chemistry
Three samples of an unknown acid are titrated with 0.4901 M NaOH. The average equivalent weight of the acid using the data below is g/equiv 1 2 3 mass of unknown acid (g) 1.020 0.522 0.742 vol NaOH used (ml) 27.72 14.22 20.02
April 1, 2008

chemistry
If the stockroom fails to dry the KHP to remove the waters of hydration, the student's calculated concentration for the standardized base will be (low, high, or unaffected) A drop of NaOH is hanging from the buret tip before the titration of KHP. Once the student begins ...
April 1, 2008

Sports
When was the most recent work stoppage in major league baseball?
March 27, 2008

finance *repost*
According to the Value Line Investment Survey, the growth rate in dividends for JCPenney for the previous 10 years has been -10 percent. If investors feel this growth rate will continue, what is the required return for JCPenney stock? Does this number make sense? What are some...
March 14, 2008

accounting/finance
What does a constant debt-equity ratio mean?
February 4, 2008

alegra
IF Twenty-five percent of your budget will be used to rent business space and pay for utilities. How do you write an algebraic expression that indicates how much money will be spent on business space and utilities?
February 1, 2008

math
If in a problem it states 1.8 million how do I write that out in number form? Is it just 1.8 multiplied by a million to get 18,00,000
January 27, 2008

writing analysis paper
I have an analysis paper due on a poem. I have a few ?'s. Is the plot the same as the setting of the poem? when doing an outline what do I put under the plot? The plot is number I, but what do I list as A. B. etc? Do I put the location, the time of day? Don't know what...
October 21, 2007

English II
Ok, I see now. Thank you!
October 16, 2007

English II
I understand why they are wrong, I just can't like figure out the rule.
October 16, 2007

English II
I see how it can be different from, but there are like 2 other sentences with different from
October 16, 2007

English II
Ok, I have the write answer which is C.. But why would it be right? The diff between C,D= semicolon
October 16, 2007

English II
Correction: B= than jumping instead of from jumping
October 16, 2007

English II
I need to determine a rule as to why the answer is C. A.) Jumping off of a balance beam is different from jumping off a trampoline; each jump requires a unique skill. B.) Jumping off a balance beam is different from jumping off a trampoline; each jump requires a unique skill. ...
October 16, 2007

September 8, 2007

Human Resource Management
"Create a diagram in PowerPoint® or Word mapping job opportunities starting from, or advancing to, the position focused on in your final project." For the diagram, I chose the tree diagram template in PowerPoint. My position is "Web Design." I have been...
August 15, 2007

Spanish
Add a prepositional phrase to clarify either to whom an item(s) belongs. Cual es su problemas? (ella) Thank you for using the Jiskha Homework Help Forum. Don't be confused! A prepositional phrase is often used to clarify "su" because it could mean "hers, his...
June 24, 2007

algebra
A principal of \$5000 was invested in a savings account for 4 years. If the interest earned for the period was \$400, what was the interest rate? i know this is 1.5 % or at least I think it is but how do i write it out? Use the equation I=Prt, where I=interest earned, P=...
May 30, 2007

math/algebra
find the slope of any line perpendicular to the line through points (6,7) and (5,8). a)-1 b)1 c)0 d)undefined y2-y1/x2-x1 = slope So...(8-7)/5-6) = 1/-1 = -1 The slope perpendicular to that would be the negative reciprocal of -1, which is 1. Therefore, the slope is 1.
May 26, 2007

math/algebra1a
write the equation of the line which has y-intercept (0,5) and is perpendicular to the line with equation y=-3x +1 a) y=-3x + 5 b) y= 1/3x + 5 c) y= 3x + 5 d) y= -1/3x + 5 The slope of the 2nd equation is -3...because the equation of a line is y=mx+b, where "m" is ...
May 26, 2007

math/algebra1a
write the equation of the line with x-intercept (-7, 0) na d undefined slope. a) y= -7 b) x= -7 c) y= -7x d) x= 0 The answer is b. This is because an undefined slope is m/0. So, its just a vertical line. Since x=-7, thats the line.
May 26, 2007

math/algebra1a
Write the equation of the line passing through (-3, -5)and (3,0). (a)y= -6/5x - 5/2 (b)y= 5/6x - 5/2 (c)y= 5/6 x + 2/5 (d)y= -6/5x + 2/5 You have to get the slope of the line using equation y2-y1/x2-x1. [0-(-5)]/[3-(-3)] = 5/6 Now that you have the slope, you have to solve for...
May 26, 2007

algebra
Given g(x) = –2x – 1, find g(3a). G(3a)=-2(3a)-1 = -6a-1 = -5 is this right or do I just stop at -6a-1 Just stop at -6a-1 Matt Also, let me add this. If you have -6-1 (without the "a") that would be -7. Not -5. But -6a-1 is the correct answer for this ...
May 25, 2007

algebra
Given f(x) = 2x - 5, find f(-3a). okay were does the a come in here? do I just write -3a in place of x as i did before?
May 24, 2007

algebra
Given f(x) = 5x2 – 3x + 1, find f(–2). so would this be 5(-2*-2) -3(-2)+1 answer being 15 not correct (I assume looking at your substitution that the first term is 5x^2 or 5x²) f(x) = 5x^2 – 3x + 1 f(-2) = 5(-2)^2 - 3(-2) + 1 =5(4) + 6 + 1 =27
May 24, 2007

algebra
f(x)=2x+5, find f(3) would this be worked out liek this 2(3)+5=11 Your answer is correct but improve your mathematical form and write is this way: f(x)= 2x+5 f(3)= 2(3)+5 = 11
May 24, 2007

algebra
if you have the sign of > or < does this also mean = ???? so confused my problem is -3x+2y=7 x+4y=-7 how do I do this? please help No. The sign < or> does not include equal. On computers we often just do this => for equal or greater than. or this: >=. In ...
May 24, 2007

english
when writing an essay on this, is it ok to fill in the blanks with my own ideas? You should probably state that there is no definitive conclusion from the poet, but that you believe ... etc., etc. Thinking for yourself is always a good option, as long as you can back your ...
April 16, 2007

psychology
The major perspective in psychology that views behavior as guided by one's self image and by needs of personal growth is the a. cognitive view b. humanistic view c. psycholdynamic view d. biopsychological view I had already guessed c and that was wrong, and I don't ...
March 4, 2007

psych
Given the following problem: Pretend that you are a bus driver. You begin the day with an empty bus. At the first stop, you let on 10 passengers. At your second stop, 4 people get off the bus, and 12 people on. At your third stop, 8 people get off the bus, and 2 people get on...
March 2, 2007

like-kind exchanges
My homework question is to name the four broad types of like-kind exchanges? Are they 1) Receipt of boot 2) Giving boot 3) Assumption of liabilities 4) Three-party exchanges I wasn't sure. There are five types defined at this web site: http://www.transunionexchange.com/...
February 26, 2007

MATH MULTIPLICATION!!!
PLEASE HELP ME SOLVE THIS PROBLEM: 4((3x-6)/(6x+2))^3 * ((42)/(6x+2))^2 okay, here your going to use PEMDAS. Parenthesis, Exponents, Multiplication, Division, Addition, Subtraction go in order of PEMDAS. does that help? (3+4}2*-(2*4)2 4=
February 22, 2007

Also can I get some help with this LONG, TIRESOME PROBLEM? Find the derivative using the chain rule. f(x)= ((3x-7)/(6x+3))^4 Thanks a lot! (68/(12x^2+12x+3))*[(3x-7)/(6x+3)]^3 you should double check the answer multiply 4((3x-7)/(6x+3))^3 by the derivative of (3x-7)/(6x+3), ...
February 21, 2007

Calculus (Help)
Also I would like to know how to set this problem up in finding the answer: Find the second derivative. y= sqrt(3x+4) Thanks, P.S. I tried taking 3x+4 and squaring it to the 1/2. I thought that might've been the same, then I took the derivative of that and got 1/2(3x+4)^(-...
February 21, 2007

Calculus (Help)
Can you please help me with this problem? I asked earlier, but nobody was able to help me... I've been working on it for about an hour now. A widget factory has fixed costs of 35 billion dollars and variable costs of 781 million dollars per widget. The revenue (in \$ ...
February 21, 2007

Can someone please check my answers dealing with various contingencies. -For each item, indicate how the situation should be accounted for and reported for the current year. Select the best answer from the accounting and reporting treatments listed below (A through D): 1. The ...
February 10, 2007

chemistry
i know the answer is carbon, but i dont see what you mean, and on my homework i have to describe why its the right answer, thanks for your help by the way Use the links I posted for you the first time you asked
December 17, 2006

chemistry
Which element has atoms that can form single, double, and triple covalent bonds with atoms of the same element? the choices are florine, oxygen,carbon and hydrogen. i also need a explanation of why its the right answer. thanks for helping :) How do we see flourine? as F2. How ...
December 17, 2006

chemistry
I A QUESTION WHAT IS Mg+HCL->MgCL2 +H2 IS IT SYNTHESIS, SINGLE REPLACEMENT, DOUBLE REPLACEMENT OR DECOMPOSITION THX BYE Single replacement. Mg replaced the H.
December 5, 2006

the big idea of energy
omg i cant believe i have the iron and sulphur hw 2 and i am sooo stuck on the big idea of energy i dunno what 2 say arrrrgh
December 5, 2006

I am going to have questions to answer on this passage, and it's very difficult to understand so if anyone could please help me paraphrase or give me a summary, it would help a lot. Thanks. Genius or originality is, for the most part, some strong quality in the mind, ...
October 25, 2006