Friday

March 27, 2015

March 27, 2015

Total # Posts: 2,086

**Math**

y=-3x^2+6x-2 Sketch the graph of the given porabola and state the coordinance of its intercepts. I can graph it if I can get some help with the vertex and coordinance. This is what I got; vertex:(1,1) x-intercept:(-1.6,.-4), and y-intercept:(0,-2). Is this right?
*March 24, 2010*

**math**

I need help making to t-charts. a. 1 if -1/2 is less than or equal to x less than or equal to 1. b. x^3 if x>1
*March 21, 2010*

**math**

so the domain is [-11,11)
*March 21, 2010*

**math**

let f(x)=sqrt of 121-x^2 a. graph the function b. state the domain and range of f(x)
*March 21, 2010*

**Math**

If f(x)=4/2-x, find the f(a), f(a+h), and f(a+h)-f(a)/h, where h is not equal to 0.
*March 21, 2010*

**math**

Solve 5x+16 greater than 1 and 2x-21 greater than -17.
*March 21, 2010*

**Math**

The maximum weight M that can be supported by a beam is jointly proportional to its width w and the square of its height h, and inversely proportional to its length L. a. Write an equation that expresses this prportionality b. Determine the constant of proportionality if a ...
*March 20, 2010*

**math**

-4 L.T. 3X+5 AND 3X+5 L.T. 20 solve
*March 19, 2010*

**physics**

a 10kg block is allowed to slide down a ramp with Mk=0.15. what is the acceleration of the block?
*March 17, 2010*

**algebra 3**

find domain: f(x)=sqrt of 100-x^2 f(x)=sqrt of 2x^2+6x-8
*March 15, 2010*

**Statistics in Psychology **

A participant in a cognitive psychology study is given 50 words to remember and later asked to recall as many as he can of them. This participant recalls 17. What is the (a) variable, (b) possible values, and (c) score?
*March 15, 2010*

**corporate finance**

. (Market versus book value weights)Miami Distribution has 1,000 outstanding bonds that have a book value of $1,000 per bond and a market value of $1,200 per bond. Miami Distribution has 250,000 outstanding shares with a per-share book value of $40 and market value of $68. ...
*March 14, 2010*

**chemistry**

An experiment in your laboratory requires 500 mL of a .0200 M solution of Na2CO3. You are given solid Na2CO3, distilled water and a 500 mL volumetric flask Describe how to prepare the required solution showing all calculations and describing each step appropriately.
*March 14, 2010*

**govt 2302**

do you think being a conservative democrat contradicts itself?
*March 11, 2010*

**government 2302**

what would you say the main difference between a republican and a democratic is? thank you for the help ms sue!! :)
*March 11, 2010*

**govt 2302**

i have read the summary of federalist paper no 10 but im still not understanding madisons stand on the constitution. does he favor it?
*March 11, 2010*

**college govt 2302**

what was the summary of Federalist paper no. 10 by james madison?
*March 11, 2010*

**Math**

I understand the first concept, but I can't make out how you figured out the second word problem. How did you get 0.3?
*March 11, 2010*

**Math**

Hi I need help figuring out these to word problems. Tom has created a scale drawing of his property for use in designing a landscape plan. 1 in on is drawing corresponds to 12 ft. There is a pond that is 112 ft. long on his property. How long will it appear on the drawing? ...
*March 11, 2010*

**math**

Can somebody PLEASE help me understand how to find the domain of a function. I have an F in algebra 3 and just got a 50% on my math quiz. I'm desperate!
*March 9, 2010*

**math**

find the domain and range of the function. f(x)= square root of x+3
*March 9, 2010*

**spanish**

what is my mom is in front of me in spanish?
*March 2, 2010*

**College Physics**

Gravity on the surface of the moon is only 1/6 as strong as gravity on the Earth. What is the weight of a 14 kg object on the Earth? The acceleration of gravity is 10m/s2 . Answer in units of N.
*March 2, 2010*

**social studies**

Give two factors that explain the changes in family organization between 1900 and 1980.
*March 2, 2010*

**statistics**

A sample of 25 concession stand purchases at the October 22 matinee of Bride of Chucky showed a mean purchase of $5.29 with a standard deviation of $3.02. For the October 26 evening showing of the same movie, for a sample of 25 purchases the mean was $5.12 with a standard ...
*March 1, 2010*

**statistics**

To test the hypothesis that students who finish an exam first get better grades, Professor Hardtack kept track of the order in which papers were handed in. The first 25 papers showed a mean score of 77.1 with a standard deviation of 19.6, while the last 24 papers handed in ...
*March 1, 2010*

**heathcare**

what was champva year of establishment??
*February 28, 2010*

**physics**

PERIOD OF THE LEG The period of the leg can be approximated by treating the leg as a physical pendulum, with a period of 2pi*sqrt(I/mgh), where I is the moment of inertia, m is the mass, and h is the distance from the pivot point to the center of mass. The leg can be ...
*February 26, 2010*

**english**

expositary business communication in which way they different what part do facts play in the expository essay? what does openion play
*February 25, 2010*

**Reading**

Some readers suggest that the "weak" character in Of Mice and Men represent groups of people who were outcasts in 1930s society(for example. Lennie would represent the mentally challenged). For each of the following characters, explain how each could represent an ...
*February 21, 2010*

**Psychology**

How has early memory research concerning the growth of cognitive perspectives in psychology changed over the course of the 20th century? What are the reasons for this change?
*February 21, 2010*

**Chemistry**

DrBob222 please help me answer the question that I posted pleaseee, pleaseeee
*February 16, 2010*

**Global History**

Imperialism.. different perspectives. list 2 short-term effects of imperialism on the colonies. tell if each is positive or negative.
*February 16, 2010*

**Global History**

How was the West impacted by imperialism? list 4 effects
*February 16, 2010*

**Chemistry**

In the experiment of Nucleophilic substitution reactions: Competing Nucleophiles 1)what would happen if all the solids in the nucleophile medium were not dissolved? How might this affect the outcome of the experiment? 2)Explain the order of elution you observed while ...
*February 16, 2010*

**Global History**

list 3 effects of imperialism on the colonies. tell if each is positive or negative.
*February 16, 2010*

**Global History**

How did the French revolution inspired Latin America?
*February 15, 2010*

**Global History**

How does the Enlightenment reflect societal values of the ancient Greeks?
*February 15, 2010*

**Biology**

What is the major function/role that the nucleus plays in the life of a living cell?
*February 11, 2010*

**Intermediate Accounting**

$37800
*February 11, 2010*

**Spelling**

I need a seven letter word that means finished. The third letter is r and the fifth letter is u.
*February 10, 2010*

**Algebra 3**

Simplify: b^4(1/3b^2)(12b^-8) (12x^2Y^4)(1/2x^5y) (rs)^3(25)^-2(4r)^4
*February 8, 2010*

**Algebra 3**

Factor: 12x^3+18x 49-4y^2 x^3+1 8x^3-125 x^3+2x^2+x
*February 8, 2010*

**Math**

suppose you deposit $400 in an account
*February 7, 2010*

**Math**

Yes that is the puzzle.
*February 5, 2010*

**Math**

You have horses. I have horses. If I give you a horse, you will have half as mnay as me. If you give me a horse, I will have twice as many as you. How many horses do i have?
*February 5, 2010*

**math**

How do I solve this? Describe the locus of points z satisfying: |z+2|+|z-2|=5 z is a complex number.
*February 4, 2010*

**Algebra 3**

x^2/x^2-1 divided by 3x/x+1
*February 3, 2010*

**physics**

I have these problems that I keep doing and keep missing. If someone could please help me with what I am doing wrong! Two charges, -25 µC and +15 µC, are fixed in place and separated by 3.4 m. (a) At what spot along a line through the charges is the net electric ...
*February 2, 2010*

**Algebra 3**

Perform the indicated operations and simplify. x^2/3(square root of x-1/square root of x)
*January 31, 2010*

**Physics**

Two cars approach each other from an initial distance of 2400 m. Car A is moving to the E at a constant rate speed of 40ms. Car B is moving to the W at a speed of 10ms but is accelarating at a rate of 2.00ms^2. What is the time before the cars meet the distance a traveled ...
*January 29, 2010*

**College Algebra**

y = x + 4 y = 0 + 4 y = 4 y-intercept is 0,4 y = x + 4 y-4 = x 0 - 4 = x -4 = x x- intercept is 0,-4
*January 28, 2010*

**spanish**

Literally it means "Do you wear a uniform to school?"
*January 27, 2010*

**chemistry**

I need a single reagent that I could use to distinguish between Pb(NO3)2 solution and Hg(NO3)2 solution.
*January 27, 2010*

**UOP**

Write a response in the form of a memo from Joe Gilmore, Training Department Manager, to Christine Lancaster, Training Supervisor, regarding her idea for the next training series. The memo must not exceed 300 words.
*January 26, 2010*

**Math**

So would it be 7:1
*January 23, 2010*

**Math**

What are the odds in favor of getting at most two heads in three successive flips of a coin? This problem has to be done in ratio not fraction. Can anyone help?
*January 23, 2010*

**Math-Probability **

40000 + 3 + 50 = 13,351 $13,351
*January 23, 2010*

**social studies**

washington commanded the army in this war
*January 22, 2010*

**Geometry**

Any help would be greatful. What is the relationship between the measure of a central angle of a polygon and the measures of an interior and an exterior angle of the polygon?
*January 21, 2010*

**Math**

I am new to this website where is your reply?
*January 14, 2010*

**Math**

In each case, consider what you know about the distribution and then explain why you would expect it to be or not to be normally distributed. I am really having a hard time understanding this. Any help would be great. a. The wealth of the parents of students attending your ...
*January 14, 2010*

**Math **

So normal distributed is when you can not have a decimal such as 4.3782 (children example) & not normal distributed would be when it is ok to have a decimal
*January 14, 2010*

**Math **

In each case, consider what you know about the distribution and then explain why you would expect it to be or not to be normally distributed. I am really having a hard time understanding this. Any help would be great. a. The wealth of the parents of students attending your ...
*January 14, 2010*

**Math **

In each case, determine whether the situation calls for a discrete or continuous random variable and explain your answer. Please help! a. The description of the number of children in a family selected at random from families in Ft. Wayne, Indiana b. The net worth of an average...
*January 14, 2010*

**Math**

Is 3/16 a choice. Take 3/4 ton to divide between 4 sidewalks then you must divide the problem. Take 3/4 divide by 4 and you get 3/16. It should take them each 3/16 per sidewalk. 3/16*4=3/4
*January 14, 2010*

**Trig**

never mind. I get it.
*January 14, 2010*

**Trig**

then what's the ending point?
*January 14, 2010*

**Trig**

yes I meant horizontal shift. so PI/6 is the answer?
*January 14, 2010*

**Trig**

How do you find the H-Shift. My problem is y=5 sin(3x-pi/2).
*January 14, 2010*

**Trig**

what is 2 pi over 1/5 reduce to?
*January 14, 2010*

**chemistry**

fuels need a good supply of .... rockets often carry liquid....
*January 13, 2010*

**chemistry**

How many milliliters of 0.155 M HCl are needed to neutralize completely 35.0 mL of 0.101 M Ba(OH)2 solution?
*January 11, 2010*

**chemistry**

How would you prepare 100.0 mL of 0.07500 M AgNO3 solution starting with pure solute?
*January 11, 2010*

**chemistry**

What mass of NaOH is required to precipitate all the Fe2+ ions from 50.0 mL of 0.200 M Fe(NO3)2 solution?
*January 11, 2010*

**Advanced Biology**

Which observation supports the statement that birds are reptilelike animals? a.) bird's front limbs usually do not have useful claws b.) bird's have only two legs c.) bird's feet are covered with scaly skin d.) birds generate their own body heat I think it's c.!
*January 11, 2010*

**Advanced Biology**

I figured it out. It's C. Thanks for the help!
*January 11, 2010*

**Advanced Biology**

If a bird has a hooked bill and sharp talons, it might be a(an): a.) water bird b.) ostrich c.) bird of prey d.) perching bird I think it's a.!
*January 11, 2010*

**Advanced Biology**

At the end of the Cambrian Period, fossil evidence indicated that: A.) a great adaptive radiation of amphibians occured B.) amphibian species reached their greatest number C.) most amphibian species became extinct d.) amphibians first appeared
*January 11, 2010*

**Algebra 2**

3x+40<=x^2
*January 9, 2010*

**Trigonometry**

Given sin x = 4/7 and cos x = negative square root of 33 over 7, find cot x. I think it's square root of 33 over 4!
*January 9, 2010*

**Advanced Biology**

The cells of cellular slime molds bear a resemblance to: a) flagellated cells b) diatoms c) ciliated cells d) dinoflagllates e) amoeboid cells I think it's b!
*January 8, 2010*

**Math**

How do you measure in metric units?
*January 7, 2010*

**Trig**

We started a new lesson on Monday on identities. Our test is tommorrow. I have no idea of what I'm doing! Can somebody help me study?
*January 6, 2010*

**SCIENCE helppp!!**

self=supporting
*January 6, 2010*

**Trigonometry**

Would #7 be Sin- 3 over square root of 73 Cos- 8 over square root of 73 Tan- -8/3 Csc- square root of 73 over 3 Cot- -3/8
*January 5, 2010*

**Trigonometry**

Use the trig Identities to find the other 5 trig functions. Problem 7.)Tan(90-x)=-3/8 8.)Csc x=-13/5 9.)Cot x=square root of 3 10.)Sin(90-x)=-.4563 11.)Sec(-x)=4 12.)Cos x=-.2351 I need HELP!
*January 5, 2010*

**Civics**

What are the benefits of congressional recording studios?
*January 4, 2010*

**Civics**

thanks!
*January 4, 2010*

**Civics**

What steps does the federal government take when attempting to control sensitive national security issues? Would it be that the government attempts to control information about national security by classifying information as secret and by limiting press coverage of military ...
*January 4, 2010*

**civics**

thanks!
*January 4, 2010*

**civics**

That's suppose to be staions(stattions).
*January 4, 2010*

**civics**

What government agency limits the number of radio and television sattions a single company can own? Would it be the Telecommunications Act?
*January 4, 2010*

**Advanced Biology**

Certain_________ block prokaryotic ribosomes, but not those of eukaryotes. Certain proteobacteria________ nitrogen. The earliest life form may have been a_________ that obtained energy from inorganic compounds. The answers to these fills in a crossword puzzle.
*January 3, 2010*

**Advanced Biology**

What is a monocot and a dicot plant? I have to do a project on my plant. It is a Spotted Chinese Evergreen. Thanks!
*January 1, 2010*

**Calculus**

Integrals: When we solve for area under a curve, we must consider when the curve is under the axis. We would have to split the integral using the zeros that intersect with the axis. Would this be for all integrals? What if we just want to "find the integral", without...
*December 18, 2009*

**basics and tools of floral design**

The most commonly used wiring method is?
*December 16, 2009*

**Finite Math**

Discuss the differences between the echelon method and the gauss-jordan method for solving matrix problems? What are the pros and cons of using a calculator or computer to do these calculations?
*December 13, 2009*

**Civics**

I need help writing a one-page report on the campaign decisions made by Bush and Kerry in relation to their successes and failures.
*December 11, 2009*

**Math**

How do I find the answer of 7(5.2)?
*December 7, 2009*

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