Saturday

July 30, 2016
Total # Posts: 2,056

**Math**

With no weight the spring will be 18 in. Every 1-Lb stretches the spring 1/2 In. The spring moves 6 inches (from 20 to 26 inches) with an incremental 12 Lbs (4Lb to 16LB)
*May 4, 2011*

**Maths**

Say the probability he'll pass English is Prob(E) = 0.6. The probability he'll pass in both English and Maths is Prob(E&M) = 0.54. Provided the probability that he'll pass English is independent of the probability that he'll pass Maths (and note that's an ...
*May 2, 2011*

**maths**

You're looking for an integer (I assume) between 11 and 19 inclusive: that comes from the first statement. So try multiplying each of 11, 12, 13, 14, 15, 16, 17, 18 and 19 by 6, and look at the final digit. If it's an 8, that's a possible solution. Of the above, 13...
*May 2, 2011*

**math**

I'm going to rewrite the question to make sure I've understood it. In 4a and 4c there are the same number of girls. There are 56 pupils in total in the two classes. If 1/3 of the people in 4a and 1/4 of the people in 4c are girls, find the total number of girls in both...
*May 2, 2011*

**Math/Statistics**

Though strictly speaking the question ought to read "What is the probability of a random dart that hits the dartboard landing inside the bullseye?". A truly "random" dart could easily miss - and that would make the probability uncalculatable without extra ...
*May 1, 2011*

**math**

Assuming this is a calculus question and not a graphical one, you need to solve a simple differential equation in d: h = 2d - (d^2)/5, so dh/dd = 2 - 2d/5 = 0 at the maximum, so d=5. But at d=5, h= 2*5 - (5^2)/5 = 10 - 5 = 5. So the maximum height is 5 feet. Not very high, is ...
*May 1, 2011*

**Chemistry**

1How would each of the following affect the accuracy of the calculated neutralizing power of antaid (too high, too low, no effect) explain a)The actacid tablet was not cut exactly in half before weighing b)The solution mixture of reacted antacid and excess HCL spattered out of...
*April 26, 2011*

**phi**

Catherine goes to her local movie theater only to see romantic comedies. Since Catherine did not go to the movies yesterday, there is not a romantic comedy playing at her local theater. The reasoning above is flawed because the evidence
*April 24, 2011*

**physics**

What is the acceleration due to gravity 100km above the surface of the Earth? (Average radius of Earth is, Re=6.4x10^3km)
*April 24, 2011*

**physics**

A ball is thown at 20m/s at an angle of 30 degrees from the horizontal level. What maximum height can the ball reach?
*April 24, 2011*

**physics**

a cetrifical force of 98N is acted upon a 5kg. ciculating object. If the object is moving at a radius of 1.2m ,what speed is needed to keep it in the cicular motion?
*April 24, 2011*

**physics**

At what speed should an object be projected to reach the maximum range of 200 m ?
*April 24, 2011*

**algebra**

1st Step Have each each scenario equal each other 120 + .40x=230+.35x x-2200 For all amounts over 2200 plan be will save her money
*April 21, 2011*

**algebra 1**

suppose triangle ABC has right angle C. find the measures of the other sides to the nearest whole number. measurement of angle A is 40 BC is 5
*April 20, 2011*

**accounting**

Shott Farm Supplies Corporation purchased 800 shares of General Motors stock at $50 per share and paid a brokerage fee of $1,200. Two months later, the shares were sold for $53 per share. The brokerage fee on the sale was $1,300.
*April 20, 2011*

**Chemistry**

.303m
*April 19, 2011*

**Maths and Physics**

Law of Gravitation- Find an expression for the magnitude of the initial velocity that a projectile must possess in order to leave the earth when air friction is neglected. The gravitational constant for g is, G = 6.67428*10^-11 m^3 Kg^-1 s^-2 (10 marks). Kind Regards
*April 19, 2011*

**architecture**

the best way to describe classical Greek art would (paragraph) example would include the statue
*April 16, 2011*

**Math**

A rooming house has three rooms that contains four beds, three beds and two beds respectively. In how many ways can nine quests be assigned to these rooms? The book says it is 1260. I have no idea how they got this. I know it requires combinations. Could someone please explain...
*April 16, 2011*

**Math**

Without graphing, identify the quadrant in which the point (x, y) lies if x > 0 and y < 0.
*April 13, 2011*

**Math**

You are designing a rectangular playground. On your scale drawing, the vertices of the rectangle are (10, –9), (10, –3), and (13, –9). What are the coodinates of the fourth vertex?
*April 13, 2011*

**algebra**

How can I justify each step 1/2x =15 2(1/2)x = 2*15 x =30
*April 13, 2011*

**math**

The lengths of what are considered "1 inch bolts are found to be normally distrubted with a mean of 1.001 inches and a standard deviation of 0.002 inches. If a bolt measures more than 2 standard deviations away from the mean, it is rejected for not meeting factory ...
*April 12, 2011*

**science**

Table salt has a solubility of 36 g of salt in 100 g of water at 40°C. If 15 g of the salt are added to 50 g of water at the same temperature, is the resulting solution saturated or unsaturated? Explain your answer.
*April 11, 2011*

**math 4th grade**

one thousand forty four dollars
*April 11, 2011*

**Math**

What will the graph look like for the equation y= 2x^2 + 3
*April 9, 2011*

**Chemistry**

In a decomposition reaction 2KCLO3 -> 2KCL + 3O2, what volume of O2 gas at STP would be produced from 3.66g of KCLO3 Thank You very much for your help :)
*April 6, 2011*

**chemistry**

In the reaction N2 + 3H2 -> 2NH3, how many grams of NH3 gas would be formed when H2 gas, having a volume of 11.2 liters at STP, reacts with excess N2 gas? Completly confused, thank you very much for your help :)
*April 6, 2011*

**Algebra**

Hello. I am trying to figure out how to find the number of solutions in the following problem: (x + 8) (x + 8) = 0
*March 28, 2011*

**History**

What did the 1968 march at the Chicago Democratic Convention prove? Was there any good that came out of this situation for all of those involved, our country and the war in Vietnam? Did Arfrican Americans and other minorities achieved anything benefical from 1968?. During 1968...
*March 25, 2011*

**History**

What defense strategy was developed by the late 1940s because the US lacked sufficient troops to confront the Soviet Army in Eastern Europe? I think that the answer might be= B) nuclear deterrence, is this correct? A) atomic detente B) nuclear deterrence C) a combined NATO ...
*March 23, 2011*

**history**

I think the correct answer is B) nuclear deterrence, is this correct?
*March 23, 2011*

**history**

What defense strategy was developed by the late 1940s because the US lacked sufficient troops to confront the Soviet Army in Eastern Europe? A) atomic detente B) nuclear deterrence C) a combined NATO army D) French and German rearmament
*March 23, 2011*

**History**

What were the protestors so unhappy about? The protestors opposition to the Vietnam War dominated the protests, students also protested for civil liberties, against racism, for feminism, and the beginnings of the ecological movement can be traced to the protests against ...
*March 23, 2011*

**History**

In 1968 Democratic Convention in Chicago. What were the protestors so unhappy about?
*March 23, 2011*

**Finance**

Suppose $500 is invested monthly at 4% compounded monthly, for 10 years, then $600 is invested monthly at 6% compounded monthly, for 10 years.
*March 21, 2011*

**History**

My instructor requested that I write a reflective prep paper for my final essay. Will I use words like (I, me, myself or personally) when referring to myself in a reflective essay? What words do I start the thesis statment with in a reflective essay? My instructor wants me to ...
*March 21, 2011*

**History**

Does any know how the American public felt about what happen to the Japanese American internment issues. I know how the American Japanese felt however I cannot find any express opinions of the American public.
*March 20, 2011*

**Algebra**

Well, I'm trying to find two different points by changing the x value since I need to graph these points and then reflect it. I hope this helps you a little.
*March 19, 2011*

**Algebra**

Hello. I am trying to solve quadratic functions but I'm having difficulty understanding. Here is my work so far... y=3x^2 + 12x + 9 12/6 = -2 = y 3(-2)^2 + 12(-2) + 9 = -3 x=0 y=9 (0,9) Would I just plug in 1 and 2 for x and then reflect it while i'm graphing? So, if I...
*March 19, 2011*

**history**

I read up on most of the information concerning this subject, and I still need help. Japanese Internment When President Roosevelt issued Executive Order 9066 on February 19, 1942, he authorized the evacuation of Japanese-Americans from the West Coast. Why was this done??? Was ...
*March 19, 2011*

**history**

The automobile facilitated the idea of worshipping at the altar of materialism. The development of the automobile helped to change the American culture by allowing individuals another avenue to show wealth and treasure it, two critical elements of the New Era. Could someone ...
*March 18, 2011*

**History**

Can some please help me with this question? 7. Which statement is most accurate regarding the miracle of war production? Here are my choices War production depended on the conversion of peacetime industries, so overall economic output grew very little (A) Both corporate ...
*March 18, 2011*

**Physics I**

I have this vector that is confusing me I know what I need to do but the components of these vectors are confusing me. Problem: You are standing at point with coor dinates (1m, -1m, -2m) another erson is at r(t)=(8m)i - (3m/s^3) t^3 j + (4m/s^2) t^2 k Find distance between you...
*March 18, 2011*

**History**

Thank you.
*March 17, 2011*

**History**

My question was pretaining to the culture of the 1920's. I need to the question answered in what ways did the automobile change American culture during the 1920's? Henry Ford came out with the Model T and how was he able to succeed to a degree far beyond any other ...
*March 17, 2011*

**history**

My question was pretaining to the culture of the 1920's. I need to the question answered in what ways did the automobile change American culture during the 1920's? Henry Ford came out with the Model T and how was he able to succeed to a degree far beyond any other ...
*March 17, 2011*

**History**

Thank you
*March 15, 2011*

**History**

The results of the 1912 election prove that Americans were ready for change and reform across the board. Each candidate offered their own view on how changes should be implemented and which issues needed change, ultimately the voters showed they wanted an end to political ...
*March 15, 2011*

**History**

The results of the 1912 election prove that Americans were ready for change and reform across the board. Each candidate offered their own view on how changes should be implemented and which issues needed change, ultimately the voters showed they wanted an end to political ...
*March 15, 2011*

**math**

In a movie theater, Theater A has 30 seats in the first row. Each next row has 4 more seats in it than the previous row has. 1) How many seats are in the 4th row? 2) Is there a row with exactly 60 seats in it? Explain. 3) Theater B has 40 seats in the first row and each row ...
*March 14, 2011*

**History**

Is this true or false. If it is true were can I find the web site to verify the answer. I am having a difficult time interputating what the statement is trying imply. Please could you help me. Thank you. American colonies were born out mass slaughter of native Indians and ...
*March 13, 2011*

**History**

Since the late 1800's and the 1912 eara how has the progression reform movement effected how things are presently?
*March 13, 2011*

**History**

I would like to thank you both for your informative answers to my question. I will be sure to check out the article on the web site that you have provided as well. Now I am no longer confused as to what the statement really meant. Thanks again!
*March 12, 2011*

**History**

Can someone please explain what this statment means when it worded like this? (I tried to figure out what it means, put I keep getting confuse). That the 1912 election registered, and inspired, fundamental changes in American politics suggests the historical significance of ...
*March 12, 2011*

**History**

You are correct, I have not recently heard of anyone who states that the working class should be the ruling class. I wish that were true, maybe then, the high unemployment situation that we are presently dealing with would improve! Thannk you
*March 11, 2011*

**History**

The election of 1912 Eugene Debs espoused a view of labor equality and socialism. He argued for a transformation that would make “the working class the ruling class”.*** That seemed to have been the position of Lenin, Stalin, and other Marxist leaders. Is it possible...
*March 11, 2011*

**history**

The Progressive Era (1890-1920) What does the outcome tell us about the way americans of the time felt about progressive reform movements?
*March 10, 2011*

**english**

Do all essays require a thesis
*March 9, 2011*

**Economics**

List the various causes of inflation and determine if they are an injection or a leakage. Demand-pull theory: This is a leakage. If all sectors in the economy try to buy more than the economy can produce, people may start to rely on imports. Therefore, demand-pull is a leakage...
*March 8, 2011*

**History**

Can someone please help me with these questions? Thanks What issues did each of the four 1912 presidential candidate espouse? ... Woodrow Wilson, William Howard Taft, Theodore Roosevelt, Eugene Debs
*March 7, 2011*

**History**

In the 1912 presidental campaign what issues did William Howard Taft espouse on? Thanks
*March 7, 2011*

**History**

Can someone please help me with these four questions? My first is to discuss a little about American Imperialism in the Nineteenth Century. My second question, why was this policy adopted? My third question, how was it rationalized? My fourth question is to discuss the major ...
*March 6, 2011*

**History**

I have this one question that is giving me some trouble trying too figure out. Could one please help me with this one question. Before 1802, most immigrants came from ____________; after 1802, most immigrants came from ______________. My choices are: The European continent; ...
*March 5, 2011*

**chemistry**

In simple terms, a standard solution is a solution with a concentration that you know, example is a container labelled 1M, it means the content is a standard solution. An indicator is used to find when the acid and base are completely neutralized in titration
*March 5, 2011*

**ENGL**

I am working backwards I think Question 3 is 3) A is dependent and B is dependent 2) A Dependent B Independent 1) A Independent B Dependent
*March 3, 2011*

**ENGL**

These three questions I am having difficulty in solving. Can you help me here. Question 1 - a) Whenever children in the United States turn on the tv, B) they are more likely to encounter violence on the screen. A is an independent clause. A is a dependent clause B is an ...
*March 3, 2011*

**Economics (SraJMcGin)**

Given the larger population runs in The States than in Canada, the costs are spread over more units. In fact in The States a cost over run of 10% could be dumped in Canada. Given the law of demand, what would happen to the Canadian company? If you worked for that company, what...
*March 3, 2011*

**biology **

If you inject carbon nanotubes into the body, can we produce antibodies against it? some ideas: - my answer is yes and no... the carbon nanotubes are too large for the t-cell to destroy it; therefore, they won't have an affect. -plus our whole body is made of carbon; ...
*March 3, 2011*

**Economics**

Given the larger population runs in The States than in Canada, the costs are spread over more units. In fact in The States a cost over run of 10% could be dumped in Canada. Given the law of demand, what would happen to the Canadian company? If you worked for that company, what...
*March 3, 2011*

**Economics**

Given the larger population runs in The States than in Canada, the costs are spread over more units. In fact in The States a cost over run of 10% could be dumped in Canada. Given the law of demand, what would happen to the Canadian company? If you worked for that company, what...
*March 3, 2011*

**History**

Hi Sue, The freedom that happen in the late 1800's.
*March 2, 2011*

**History**

Black southerners sought respect, land, and the rights of citizenship. What did freedom mean?
*March 2, 2011*

**Economics**

Are these examples of elastic/inelastic supply products correct? Plane tickets: A plane ticket is an example of inelastic supply. If the price of a ticket changes, the airline cannot quickly increase the supply of seats. It takes a long time to make more planes to provide ...
*February 28, 2011*

**Physics**

In an experiment conducted by Young using sodium light with λ=589 nm, the slits are 1 μm wide. You notice that every fourth fringes missing. a) What is the slit separation? d = na = 4(1 μm) = 4 μm. b) How many fringes appear on the screen? I'm not sure ...
*February 28, 2011*

**finance**

Adams Enterprises’ noncallable bonds currently sell for $1,120. They have a 15- year maturity, an annual coupon of $85, and a par value of $1,000. What is their yield to maturity?
*February 27, 2011*

**Math**

What's the function? x= 2, y=14 x=10, y=54 x=8, y=44 x=?, y=34 x=?, y=104 x=?, y=31 I thought it was multiply by 5, add 4 but that won't work for the last one where y=31. Help!
*February 27, 2011*

**Math**

Thank you very much!
*February 27, 2011*

**Math**

Could someone please help me to identify what type of misrepresentation or misuse have demonstrated by the statement below. Here are choices only one of them connects with this statement: Which one? “…male children born to women who smoke during pregnancy run a risk ...
*February 27, 2011*

**Math**

Thank you so much
*February 26, 2011*

**Math**

If a student's percentile rank in a class of 400 students is 87, how do I find the student's class rank.
*February 26, 2011*

**managerial economics**

draw me an indifference curve where someone does not value integrity very much compared to income
*February 24, 2011*

**Economics**

If all the wealth in the world were distributed evenly, how much money would each person have? How would this affect the everyday lives of westerners? Thanks for your help. Any references would be appreciated.
*February 24, 2011*

**Economics**

If all the wealth in the world were distributed evenly, how much money would each person have? How would this affect the everyday lives of westerners? Thanks for your help. Any references would be appreciated.
*February 24, 2011*

**Physics**

Doubling the voltage across a parallel plate capacitor does not double which of the following? a. the charge b. the electric field between the plates c. the energy stored d. the electric force on the plates e. both a and b is the answer A if not then how do i do this problem
*February 23, 2011*

**physics**

How much potential energy does a 60kg skater have before she starts her ride, 12m above the ground?
*February 20, 2011*

**Social Studies**

Explain the similarities and differences in the way the US and Canada gained independence
*February 20, 2011*

**physics**

-6.93*10^-5 N/C
*February 19, 2011*

**english**

i guess its great to watchh:) this movie gives us great messages! thanksss
*February 15, 2011*

**english**

should the film "Speak" be studied in english 9?Why? "Speak"by Laurie Halse Anderson
*February 15, 2011*

**math**

26 1/4- 5 3/10
*February 13, 2011*

**Math**

The area of a rectangular playground is 2,700 ft2. The length is 3 times the width.What are the dimensions of the playground?
*February 13, 2011*

**chemistry**

Fish-liver oil is a good source of Vitamin A. When 0.1232 g of fish liver oil is dissolved in 500. mL of solvent, an absorbance of 0.724 is recorded. When 0.00167 g of Vitamin A is dissolved in 250. mL of solvent, an absorbance of 1.018 is recorded. Calculate the mass percent ...
*February 8, 2011*

**chem**

Fish-liver oil is a good source of Vitamin A. When 0.1232 g of fish liver oil is dissolved in 500. mL of solvent, an absorbance of 0.724 is recorded. When 0.00167 g of Vitamin A is dissolved in 250. mL of solvent, an absorbance of 1.018 is recorded. Calculate the mass percent ...
*February 7, 2011*

**Physics**

An electron (mass m = 9.11e-31 kg) is accelerated in the uniform field E (E = 2.00e4 N/C) between two parallel charged plates. The separation of the plates is 1.10 cm. The electron is accelerated from rest near the negative plate and passes through a tiny hole in the positive ...
*February 6, 2011*

**Algebra**

(-6,-5/2)and(-5/2,infinity)
*February 3, 2011*

**chemistry**

All I know is, nitrogen in fertilizer can embed the water table and change the pH, which then becomes toxic as it reaches the Gulf (In the US). Might start with that.
*February 3, 2011*

**Science**

1.08x10^21 atoms in 1%(w/v) aqueous KOH 1.63x10^21 atoms in 1% (w/v) aqueous HCL I would say more particles "in" the base, than particles "in" the acid.
*February 3, 2011*

**Math**

Refer back to Week One Discussion and use the names and ages of yourself and the other two people you selected. Make sure one is older than you and one is younger than you. In years, how old was the older person when you were born? Write an equation that models how old in ...
*February 3, 2011*

**math**

-2x-15=30
*January 31, 2011*