Wednesday

July 30, 2014

July 30, 2014

Total # Posts: 295

**Algebra**

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

**physics**

Okay, I get it now. Thanks Bob

**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...

**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?

**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.

**algebra**

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

**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

**cultural diversity**

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

**Math**

M divided by five How would i translate that

**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 no...

**Math**

iam jsut trying to show an example for an equation

**Math**

what does 6x+4= instead of adding you minus?

**physics i got link**

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 %...

**physics i got link**

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 ha...

**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 th...

**bus**

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

**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 avera...

**Chemistry**

KHP?

**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?

**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 Skeptic...

**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 consequenc...

**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 argum...

**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

**chemistry**

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

**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 mat...

**MATH CHECK**

COS[ARCSIN (SIN 3PI/4)] =COS[ARCSIN (SQRT2/2)] =COS [PI/4] = SQRT2/2

**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?

**Math Prob**

ok for changing the base of a log from 10 to e is there a formula?

**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?

**math**

What is The solution set of 2k^2=21k-49 ?

**math**

what are the modifications and x intercepts of the cubed root of (1-x)-1?

**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

**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 ...

**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 ...

**Physics**

nvm i got it

**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...

**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?

**economics**

what is supply and demand?

**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?

**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.

**IB Algebra**

can you help me with my questin though?

**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 p...

**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

**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?

**chemistry**

Delta H is positive, the reaction is endothermic therefore not spontaneous.

**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??

**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. ...

**accounting**

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

**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 t...

**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

**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

**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 th...

**Sports**

When was the most recent work stoppage in major league baseball?

**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...

**accounting/finance**

What does a constant debt-equity ratio mean?

**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?

**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

**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...

**English II**

Ok, I see now. Thank you!

**English II**

Ok, I see now. Thank you!

**English II**

I understand why they are wrong, I just can't like figure out the rule.

**English II**

I see how it can be different from, but there are like 2 other sentences with different from

**English II**

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

**English II**

Correction: B= than jumping instead of from jumping

**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. ...

**Advanced Math I**

How do you go about solving this problem? x(a/4+1)y(c+3/2) /(x2)by-c+1 I am so confused about this. I don't get it! Please help.

**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...

**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...

**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=principa...

**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.

**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 th...

**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.

**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...

**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 probl...

**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?

**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

**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

**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 text...

**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 conc...

**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 kno...

**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....

**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/fre...

**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=

**MoRe HeLp PlEaSe!! (calc)**

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), wh...

**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)^(-...

**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 $ billio...

**can someone please check my accounting answers**

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 ...

**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

**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 ...

**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.

**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

**please help me paraphrase**

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, answe...

**Help Please**

Help to solve this 1/2 (3g-2) = g/6 nevermind I was missing a bracket in the solution. multiply both sides by 2 This gives 3g-2=g/3 now cross multiply to get 9g-6=g now add a -g to both sides and +6 to both sides. g=3/4

**science**

How do you draw a simple particle diagram?

**comprehensive income**

Can I please have help with the following problem. Bee Spears Clothing Stores reported sales of $250,000 cost of goods sold of $150,000, operating expenses of $25,000, income tax expense rate of 30% in calendar year 2006, and an unrealized loss from marketable securities (avai...