Wednesday

January 28, 2015

January 28, 2015

Total # Posts: 1,680

**Calculus**

tan^-1 (x^2 y) = x+xy^2
*September 27, 2011*

**Math**

If B is between A and C, AB=3x-1, BC=2x+4 and AC=38, what is the value of AB?
*September 27, 2011*

**science**

find the work done in raising 100 kg of water though a vertical distance of 4.5 m
*September 27, 2011*

**science**

how muchwork is done by a shopper in pushing her grocery cart by afroce of 32 N a distance of 4.5 M
*September 27, 2011*

**statistics**

Assume that a population is normally distributed with a mean of 100 and a standard deviation of 15.
*September 26, 2011*

**physics**

A runner’s velocity along a straight track is 3.2 m/s at time 8.0 s and 2.2 m/s at time 11 s. Find the runner’s average acceleration during this time interval.
*September 23, 2011*

**math**

PUC raised money for the recent disaster victims.They decided to allocate the money in manner: 1/3 of the money goes for medical supplies, 1/4 of what was left brought tents,2/3 of the remaining went to water purification systems, the rest of the money was spent on shipping ...
*September 21, 2011*

**math**

Carla always sorts her M&M's before eating them. One Day she noticed that 2/5 of of them were red, 1/4 of them were brown,3/10 of them were green, and that 10 of them were yellow. How many total M&M's? How many were red? How many were brown? How many were green?
*September 21, 2011*

**Math**

Dan had 12 3/4yard of cable. He used 3 1/2yards for one computer and two more cables of 2 7/8 for two other computers. He needs 3 1/3yard for the last computer. a. Does he have enough? b. If not, how much more does he need? c.If so, how much does he have left?
*September 21, 2011*

**Math**

Gayle had 5 1/3pounds of candy.She put 1 1/2 pounds of candy into each gift bag.How many gift bags could she fill completely fill? What fraction of a gift bag will she have left? what fraction of a pound of candy will she have left?
*September 21, 2011*

**Math**

Gayle had 5 1/3pounds of candy.She put 1 1/2 pounds of candy into each gift bag.How many gift bags could she fill completely fill? What fraction of a gift bag will she have left? what fraction of a pound of candy will she have left?
*September 21, 2011*

**Math**

PUC raised money for the recent disaster victims.They decided to allocate the money in manner: 1/3 of the money goes for medical supplies, 1/4 of what was left brought tents,2/3 of the remaining went to water purification systems, the rest of the money was spent on shipping ...
*September 21, 2011*

**math**

Carla always sorts her M&M's before eating them. One Day she noticed that 2/5 of of them were red, 1/4 of them were brown,3/10 of them were green, and that 10 of them were yellow. How many total M&M's? How many were red? How many were brown? How many were green?
*September 21, 2011*

**Math**

A Woman has cat's and birds. When asked how many of each she has she answers... " I have between both cats and birds 400 feet and 232 eyes.(Cats have 4 feet and Birds have 2 feet) How Many Total? How many Birds? How many Cats? Please help me solve this. Please Please...
*September 21, 2011*

**Algebra**

(1,1) is x=1 and y=1
*September 19, 2011*

**Algebra**

The ordered pairs represent values for x and y. (1,1) is x =1 and y=1. Substitute these ordered pairs in the equations and evaluate to see if are true. Then, graph the points and line to find another solution.
*September 19, 2011*

**Algebra**

(-1,4) and (5,8) is (x1,y1) and (x2,y2). The slope is m=(y2-y1)/(x2-1). Substitute and evaluate to find the slope.
*September 19, 2011*

**Politics**

Ah, you sound right about Libya, actually.. But I'm not big on politics so I honestly didn't know much about it. but from what I'm seeing.. the UN is helping by enforcing the no-fly zone? Other than that I don't really know/understand the backstory behind what ...
*September 17, 2011*

**Politics**

Thank you! That was really helpful. :)
*September 17, 2011*

**Politics**

Hello! I have another question about Syria.. So I'm trying to write a congressional speech about why the UN should go and help Syria. I need to find 3 reasons to write about, but I only have 2 at the moment. My first reason is that the President of Syria is an extreme ...
*September 17, 2011*

**geography**

How imoortant is trade to Canada? Consider the impact on our lifestyle, jobs, and economy.
*September 17, 2011*

**Politics?**

Hello! I have to write an affirmative congress speech on this bill, but I'm not really sure about what the bill means..? Can anyone help me figure out what it's talking about/what I'm trying to affirm? "A resolution to promote justice and human rights in syria...
*September 16, 2011*

**math**

Trying to convert 465 litres of trunk space to inches or sq. feet. Need to know how many suitcases will fit
*September 10, 2011*

**trig**

tan ø = 5; Quad I How do I find the other 5 function values?
*September 9, 2011*

**Business**

Pick any 3 firms to research. Based on Internet research on these companies, write a 500–750-word research paper proposing at least 3 marketing opportunities that you would strongly suggest that each firm pursue
*September 8, 2011*

**critical reading**

pls help me with this question. A powerful general fallacy category is jumping to conclusions which consists of a. using humor or ridicule b.closing an issue before all the evidence is in. c. arguing from ignorance. i think is a but am not sure.
*September 7, 2011*

**Geography**

Does Mexico border 3 countries? The United States, Belize and Guatemala?? Thank You
*September 7, 2011*

**Geometry**

Point C is located on the perpendicular bisector of AB. What is the distance from A to C given the following? AC = 2x+9 BC = 8x-3
*September 4, 2011*

**Microeconomics**

Suppose you are a painter, and the price of a gallon of paint increases from $3.00 a gallon to $3.50 a gallon Your usage of paint drops from 35 gallon a month to 20 gallons a month. Perform the following Compute the price elasticity of demand for paint and show your ...
*September 3, 2011*

**science**

I have used dilute-IT to make a o.1N solution of HCl in .6 N NaCl after bringing the solution to the exact mark on the volumetric flask it lost volume do to off gassing, do I bring it back up to the exact volume?.
*September 2, 2011*

**communications100 **

The first one yes, second didn't help as much, but I figured it out.
*September 1, 2011*

**communications100 **

Thank you ms. sue
*September 1, 2011*

**communications100 **

Also, Which of the following words is the most abstract? African-American literature education Toni Morrison college degree I think college degree, because you can see it and touch one, but also I am unsure who Toni Morrison is and you can probably see them.
*September 1, 2011*

**communications100 **

Select the phrase below that uses the least biased language: 1.When greeting your new boss, be sure and shake his hand. 2.The linguists received their training at Oxford. 3.Mankind should celebrate this invention. 4.Due to the bravery of the fireman, the young child was ...
*September 1, 2011*

**algebra**

this is algebra review but I can't remember how to solve this at all. I need to graph this equation.. 3x=2y-7 I don't know how to get the Y by itself
*September 1, 2011*

**physics**

A ball moving in a vertical circle of radius 0.8 meters has a speed of 4 m/s at the top. To the nearest tenth what is its acceleration at the top?
*August 29, 2011*

**Accounting**

What would be the effect of removing either the Matching Principle or the Revenue Recognition Principle from the process? Use a concrete example of how doing so might affect accounting in a given period.
*August 24, 2011*

**statistics**

For a class actvitity, your group has been assigned the task of generating a quiz question that requires use of the formuala for conditional probability to compute P(B|A). Your group comes up with the following question: "If P(A and B) = 0.40 and P(A) = 0.20, what is the ...
*August 16, 2011*

**Math**

what is the arithmetic oe 3,5,7,9,and 11
*August 7, 2011*

**Math (Statistics)**

Five college engineering students are choosing specialized fileds of engineering to study. Each student is allowed to select 1 field. The available fields are Electrical Engineering (EE), Mechanical Engineering (ME), and Computer Engineering (CE). If the second student does ...
*August 4, 2011*

**stats**

A manufacturer of automobile batteries claims that the distribution of battery life is 54 months with a standard deviation of 6 months. We take a random sample of 50 batteries. a. Find the probability that their mean life is less than 52 months. b. Find the probability that ...
*July 31, 2011*

**stats**

We are interested in customer satisfaction ratings for a particular video game. In a group of 65 customers, we nd a sample mean of 42.95 and the standard deviation is 2.64. Find a 95% Con dence interval for u.
*July 31, 2011*

**chemistry**

calculate the amount of energy (kJ) lost when 50 mL of water at 0 Celcius freezes at 0 Celcius
*July 24, 2011*

**chemistry**

What volume of 14 N H2SO4 is needed to make 250 ml of 3.2 N H2SO4 solution?
*July 21, 2011*

**child development and human behavior**

attempts at suicide are more common in girls or is it a result of generativity?
*July 19, 2011*

**Med terms**

dysphnea---->dyspnea
*July 12, 2011*

**Math**

2. Your firm is considering two projects: Project A and Project B with the following cash flows: A YEAR B YEAR -$75 0 -$60 0 $15 1 $20 1 $33 2 $13 2 $44 3 $15 3 $55 4 $18 4 a. Calculate the NPVs based on WACCs of 5% and 7% b. What are the IRRs based on the WACCs? c. Calculate ...
*July 6, 2011*

**Math**

1. Bob’s Country Bunker (BCB), a chain of economically priced motels in the Midwestern United States has reviewed its current target structure of 40% debt and 60% equity. It can issue debt at a rate of 9%. The last dividend paid on its stock was $1.25. The company is ...
*July 6, 2011*

**Financial Management (Math)**

2. Your firm is considering two projects: Project A and Project B with the following cash flows: A YEAR B YEAR -$75 0 -$60 0 $15 1 $20 1 $33 2 $13 2 $44 3 $15 3 $55 4 $18 4 a. Calculate the NPVs based on WACCs of 5% and 7% b. What are the IRRs based on the WACCs? c. Calculate ...
*July 5, 2011*

**Financial Management (Math)**

1. Bob’s Country Bunker (BCB), a chain of economically priced motels in the Midwestern United States has reviewed its current target structure of 40% debt and 60% equity. It can issue debt at a rate of 9%. The last dividend paid on its stock was $1.25. The company is ...
*July 5, 2011*

**Math**

A merchant buys cloth at $1.60 per yard. At what price per yard should he list the cloth so that he may sell it at a discount of 20% from the list price and still make a profit of 20% of the SALE PRICE?
*July 5, 2011*

**Math-word problem**

A new train goes 20% further in 20% less time than an old train. By what % is the average speed of the new train GREATER THAN that of the old train?
*July 5, 2011*

**Math**

A row of seats in a stadium has 100 seats. If 12 people sit in a row so that there are 2 empty seats between any person and the next person, how many empty seats in the rpw are not between the two end people?
*July 5, 2011*

**COM/155**

Students are often confused about the use of the words good and well in their writing. Write a 100-word passage to Scott McLean, the author of the course’s textbook, in which you describe five details from her book that are good and five details about the book that are ...
*July 5, 2011*

**physics**

In an experiment similar to that done by Michelson,the frequency of rotation of the eight-sided mirror is 530 Hz. Calculate the speed of light in air if the distance from the rotating mirror to the stationary mirror is 35.0 km.
*June 28, 2011*

**Chemistry**

How many Silver Coins (weighing 26g each) would it take to provide 5 moles of Silver (Ag)?
*June 26, 2011*

**algebra**

Calculate the pH of a sample of acid rain that has the H30t concentration of 3.0x4-5m
*June 25, 2011*

**Chemistry**

how can i find out how many moles of oxygen are in 9.85g of (NH4)2CO3 ? i want to know what steps to take and in what order.. please help
*June 24, 2011*

**Math**

Can somebody help me with the following probability question? There is none like it to refer to in my textbook and I am confused. Explain how you would determine the probability that a given household in your community is watching the 10:00m tv news on a Wednesday night?
*June 18, 2011*

**math**

geometry answers "You have a rectangular sheet of paper with dimensions 8.5 inches by 14 inches. if you use 3 inches as the value of x, What are the dimensions? and its volume?
*June 15, 2011*

**math**

Each year, Cathy invests $1,200 in her account. The account pays an interest rate of 6.3%. The formula to calculate the balance in her account is B =A(1+ r)n+1- A, where r A is the amount invested per year, r is the interest rate, and n is the number of years investing
*June 8, 2011*

**Paralegal**

to get the answers to the questions
*June 5, 2011*

**Paralegal**

# Identify the components of the diversionary program and initiatives within the NCJRS website- Woman & Girls in the Criminal Justice System. # Compare and contrast State and local programs as they contribute to successful reintegration and transition services. # Analyze ...
*June 5, 2011*

**Algebra**

Can someone check my answers? 1. 3/c - 4/3c = 5/3c 2. -3t/t-4 - 2t+4/4-t = -2t-4/t-4 3. z/3z^2 + 4/7z = 19/21z 4. 5x/2x-6 + x+2/3-x = 4x-2/2x-6 or 2(2x-1)/2(x-3)
*June 3, 2011*

**Asap/Algebra**

Simplify the following expression. suare root -104, square root -8 (these two radicals are beside each other without a addition, subtraction, multiplication, or division sign)
*May 29, 2011*

**chemistry**

what is the balanced equation of NaHCO3+CH3OOH---->H2CO3+NaCH3COO
*May 28, 2011*

**Economics**

(iii) Bright Future, Ltd (BF) is a nonprofit foundation providing medical treatment to emotionally distressed children. BF has hired you as a business consultant to design an employment policy that would be consistent with its goal of providing the maximum possible service ...
*May 26, 2011*

**Economics**

2. (i) The production function for a firm is given by Q = LK where Q denotes output; Land K labor and capital inputs. Wage rate and rental rate are given by w and r respectively. (a) Show whether or not the above production function exhibits diminishing marginal productivity ...
*May 25, 2011*

**Economics**

4 (ii) You manage Dirt Diggers, an excavating firm that excavates roadside ditches for laying drainpipes. Its output follows the production function: Q = 10L -.1L2 where L denotes labor hours and Q the length of the ditch in meters. You can hire labor at the going wage rate of...
*May 25, 2011*

**Economics**

3. (i) Sleak Teak builds yard furniture using hardwoods and (in a smaller shop) handcrafted knick-knacks from the same sort of wood. The hardwood usage in the two lines of product are Yard Furniture: Y = 2 Ty - .001Ty2 Knick-knacks: Z = 20Tz - .01 Tz 2 where Y and Z are units ...
*May 25, 2011*

**Algebra**

I need help multiplying rational expressions.. x-2/x+3 x 4x+12/6 first I took the four out from 4x +12/6 so I got x-2/x+3 x 4(x+3)/6 but now I'm not sure what to do?
*May 25, 2011*

**Chemistry**

Please help! How many moles of hydrogen are needed to triple the volume occupied by 0.25 mol of hydrogen, assuming no changes in pressure or temperature
*May 25, 2011*

**Chem**

Chemistry please help. A 20.0-L gas cylinder contains 4.80 g H2 at 25 degree celcius. what is the pressure of this gas?
*May 24, 2011*

**com155**

Imagine you are expected to write a three-page paper. Design an organizational and time management plan to complete this paper. keep in mind the paper requirements are to select a topic, write a thesis, write supporting material, and include a minimum of three sources
*May 20, 2011*

**Algebra**

Simplify A^6 x a^2b^-2 44,909 in scientific notation Simplify (a^2b^3)(a^5) Simplify x^-5y^-6 What is the P(H,H,H,H,T,T,T,) on 7 flips of a coin?
*May 19, 2011*

**math **

How do you get 5/6
*May 19, 2011*

**Management**

1. List at least FIVE sources you will use to obtain information about the firm’s strengths, weaknesses, opportunities, and threats. Discuss what categories of the SWOT elements of information are readily available on the Internet. What categories of data are difficult or...
*May 17, 2011*

**statistics**

the average number of years a person takes to complete a graduate degree program is 3. the standard deviation is 4 months. Assume the variable is normally distributed. If an individual enrolls in the program, find the probability that it will take. a) More than 4 years to ...
*May 16, 2011*

**statistics**

the average amount of rain per year in Greenville is 49 inches. the standard deviation is 8 inches. find the probability that nest year greeville will receive the following amount of rainfall. assume the variable is normally distributed. a) At most 55 inches of rain b) at ...
*May 16, 2011*

**statistics**

on the daily run of an express bus, the average number of passengers is 48. the standard deviation is 3. Assume the variable is normally distributed. find the probability that the bus will have. a) between 36 and 40 passengers b) fewer than 42 passengers c) More than 48 ...
*May 16, 2011*

**US History**

I have to do a political cartoon based on any event between the mid 1300's and 1812. But I'm having a difficult time picking out what to do it on. Does anyone have any ideas?
*May 16, 2011*

**statistics**

the average number of gallons of lemonade consumed by the football team during a game is 20, with a standard deviation of 3 gallons. assume the variable is normally distributed. when a game is played, find the probability of using a) Between 20 and 25 gallons b) less than 19 ...
*May 16, 2011*

**statistics**

there are 48 raincoats for sale at a local men clothing store. Twelve are black. If 6 raincoats are selected to be marked down, find the probability that exactly 3 will be black.
*May 16, 2011*

**statistics**

If 8% of the population of trees are elm trees, find the probability that in a sample in a sample of 100 trees, there are exactly 6 elm trees. assume the distribution is approximately Poisson
*May 16, 2011*

**statistics**

In a bowling league, the probability that the uniforms are all 1 color is 0,45, that 2 colors are used is 0.35, and that 3 or more colors are use is 0.20. if a sample of 12 uniforms is selected, find the probability that 5 contain only 1 color, 4 contain 2 colors, and 3 ...
*May 16, 2011*

**statistics**

the probability that a television containt 0, 1, or 2 defects is 0.88, 0.08, and 0.04, respectively. in a sample of 16 television, find the probability that 9 will have 0 defects, 4 will have 1 defect, and 3 will have 2 defects.
*May 16, 2011*

**statistics**

A history class has 75 members. If there is a 12% absentee rate per class meeting, find the mean, variance, and atandard deviation of the number of students who will be absent from each class
*May 16, 2011*

**Chem**

does charles law depend on the identity of the gas
*May 10, 2011*

**Chem**

does charle's law depend on the identity of the gas
*May 10, 2011*

**Chemistry**

How many grams of NaCl would be required to make a 24% NaCl solution if 250 ml of water were used
*May 1, 2011*

**Probability**

Five cards are drawn from an ordinary deck without replacement. Find the probability of getting a. All red cards b. All diamonds c. All aces
*April 29, 2011*

**Chemistry**

Three solutions are mixed together to form a single solution. One contains 0.2 mol Pb(CH3COO)2, the second contains 0.1 mol Na2S, and the third contains 0.1 mol CaCl2. Write the net ionic equations for the precipitation reaction or reactions that occur.
*April 29, 2011*

**Statistics**

Cholesterol levels of adult males are approximately normally distributed with a mean of mg/dL and a listed variance of . Some researchers claim that the variance of cholesterol levels of adult males is less than . Suppose that we want to carry out a hypothesis test to see if ...
*April 29, 2011*

**Pre-Calculus**

How do I solve, in radians and degrees, 2-3sin(3(x-pi))=6?
*April 27, 2011*

**Physics **

user-generated content: report abuse What approximate change in decibels does an observer experience from a sound source if the observer moves to a new location that is 67% as far from the source? My answer choices are 23, -23, 40, 2.76, -2.76, 1.94, -1.94, 2.57, -2.57, and 0 ...
*April 26, 2011*

**Chem Webwork UCI**

Complete the table below: What is the pH of the solution created by combining 0.70 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HCl(aq)? with 8.00 mL of the 0.10 M HC2H3O2(aq)? mL NaOH: 0.70 pH w/ HCl: 1.08 pH wHC2H3O2: 3.23 Complete the table below: What are the pH ...
*April 25, 2011*

**Chem Webwork**

nevermind, i got the answer
*April 25, 2011*

**Chem Webwork**

Complete the table below: What are the pH values if you take into account that the 8.00 mL of 0.10 M Acid was first diluted with 100 mL of water (like it will be in the experiment you perform in lab)? mL NaOH: 0.70 pH w/ HCl: 2.14 pH w/ HC2H3O2: ??? I got pH w/ HCl, but I can...
*April 25, 2011*

**political science**

Which President developed the Policy of preemption with regard to foreign policy?
*April 24, 2011*

**Math(can you just check my answer please)**

¡çLMN and ¡çNMO are adjacent angles that share MN ƒåƒåƒåƒåƒâ as a side. Together, those two angles form ¡çLMO. What equation can you write that shows the relationship between m¡...
*April 20, 2011*

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