Tuesday

October 21, 2014

October 21, 2014

Total # Posts: 113

**Calculus**

It is known that the quantity demanded of a certain make of portable hair dryer is x hundred units/week and the corresponding wholesale price is shown below where p is in dollars. p = sqrt(225 - 5x) The supplier will make x hundred units of hair dryers available in the market ...
*September 25, 2014*

**Reading**

ohh okay so it must be A? my second choice is A
*September 17, 2014*

**Reading**

8. in which sentence is the word gesture used correctly ( 1 point) A.Smiling, she extended her hand in a gesture of friendship. B.Tired from a long day of work, I put my gesture down on the table wearily.**** C.He called for a gesture next Tuesday, and all employees are to ...
*September 17, 2014*

**science**

i say yes is that right?
*May 6, 2014*

**science**

Is it ture that air molecules have weaker attractions then water molecules? A.Yes B.No
*May 6, 2014*

** Math**

If a boat rental company charges 100.00 a day plus .50 per kilometer and another company charges 90.00 a day plus .60 per kilometer, at how many miles would the bill at both companies be the same?
*January 30, 2014*

**science**

Earth is a satellite because it moves around the sun.
*January 30, 2014*

**Math**

A candle has length 25 cm. Once lit, the candle burns away at a constant rate of 0.6 cm per minute. What is the length of the candle (in cm) 20 minutes after it is lit?
*September 22, 2013*

**programming**

where are the errors the pseudocode debugging exercise // This application reads student typing test data // including number of errors on the test, and the number // of words typed per minute. Grades are assigned based // on the following table: // Errors // Speed 0 1 2 or ...
*September 15, 2013*

**la need help**

so what is the answer
*September 5, 2013*

**la need help**

I think it is 1.a 2.a 3.d 4.b. 5.d
*September 5, 2013*

**la need help**

1. When you summarize an informational article, you should (1 point) leave out minor details. use the author's words, including direct quotations. leave out important details. include as much information as possible. 2. Why might a scientist choose to categorize scientific...
*September 5, 2013*

**programming**

trying to debug pseudocode 2. Th e Springwater Township School District has two high schools—Jeff erson and Audubon. Each school maintains a student fi le with fi elds containing student ID, last name, fi rst name, and address. Each fi le is in student ID number order. ...
*September 4, 2013*

**programming**

DEBUGGING // The two senior class homerooms at Littleville High School // are having a fundraising drive for the prom. Each time a student // solicits a contribution, a record is created with the // student's name and the value. Two files have been created for Homeroom A ...
*September 1, 2013*

**programming**

Find Bugs in the pseudocode start Declarations num category num SIZE = 5 num QUIT = 9 num sales[SIZE] = 0, 0, 0, 0, 0 string HEAD1 = "Sales" string HEAD2 = "Category Number of Sales" output "Enter category ", QUIT, " to quit " input ...
*August 30, 2013*

**Math**

Kathy drove from Dry Creek to Cactus, a distance of 250km. She increased her speed by 10km/h for the 360km trip from Cactus to spur. If the total trip took 1 hours, what was her speed from Dry creek to Cactus.
*April 7, 2013*

**Just some LA q's, Ms.Sue please**

so what was the answer
*February 7, 2013*

**math**

A runner starts a race at the starting line. A second runner starts at 44 yards. If the first runner moves 7 yards each second and the second runner moves 3 yards each second, at what distance will the first runner catch the second runner?
*January 14, 2013*

**language**

introduction for an essay . show me please
*October 2, 2012*

**english **

what is a simple predicate in a well-fed lion will be peaceful thank you
*August 31, 2012*

**calculus**

a graph shows the divends declared per share of stock for the colgate-palmolive company for the years 1988 through 1998. Find the slope of the line segment connecting the years 1988 and 1998
*August 22, 2012*

**statistics**

Considering that a researcher can test at the <p = .05 (95%), p = .01 (99%), or p = .001 (99.9%) level for statistical significance, how would you use these three levels in relationship to risk to patients in implementing the decisions of your research?
*June 16, 2012*

**Math Models**

The distance needed to stop a car (d) varies directly with the aquare of the speed of the car (s). If a car traveling 25 mph requires 0 feet to stop, how many feet will be required to stop a car that is traveling at 60 mph?
*June 13, 2012*

**Chemistry**

What massof iron is contained in 86.6 grams if FeSO4?
*June 12, 2012*

**Statistics**

The Arcade shack is a manufacturing plant located in San Diego where 800 factory workers are employed. The personnel department selected 36 factory employees at random for the statistical study. construct a 95% interval for the percentage of males in the 800.
*May 23, 2012*

**business**

Lansing Auto Pats, Inc., has projected sales of $25,000 in October , $35,000 in November, and $30,000 in December of the company’s sales 20 percent are paid for by cash and 80 percent are sold on credit. The credit sales are collected one month after the sale. Determine ...
*March 20, 2012*

**Chemistry**

A solution is prepared by adding 50.3 mL of concentrated hydrochloric acid and 16.6 mL of concentrated nitric acid to 300 mL of water. More water is added until the final volume is 1.00 L. Calculate [H+], [OH -], and the pH for this solution. [Hint: Concentrated HCl is 38% HCl...
*February 28, 2012*

**Finite with Calculus Applications**

The Ball Company manufactures three types of lamps, labeled A,B,and C. Each lamp is processed in two departments, I and II. Total available work-hours per day for departments I and II are 400 and 600, respectively. No additional labor is available. Time requirements and profit...
*February 27, 2012*

**Chemistry**

Consider the reaction below. 3 O2(g) --> 2 O3(g) At 175°C and a pressure of 128 torr, an equilibrium mixture of O2 and O3 has a density of 0.168 g/L. Calculate the Kp for the above reaction of 175°C
*February 20, 2012*

**Chemistry**

The equilibrium constant Kp for the reaction below at 700°C is 0.76 atm. CCl4(g) --> C(s) + 2 Cl2(g) Determine the initial pressure of carbon tetrachloride that will produce a total equilibrium pressure of 1.20 atm at 700°C
*February 20, 2012*

**math**

Five years ago, you bought a house for $151,000, with a down payment of $30, 000, which meant you took out a loan for $121,000. Your interest rate was 5.75% fixed. You would
*November 14, 2011*

**eng 125**

How is the more direct performative aspect of drama and/or poetry reflected in these forms?
*November 10, 2011*

**eng 125**

Reflecting on this week’s literary readings, as well as your own reading experiences, identify at least one major similarity and one major difference between the forms of the short story and the poem. How do the differences between these literary forms affect how you read...
*October 27, 2011*

**physics**

Suppose that it takes 10.0 h to drain a container of 5100 m3 of water. What is the "mass flow rate," in kilograms per second, of water from the container?
*August 26, 2011*

**algebra1**

1/2x-6=5
*July 19, 2011*

**algebra1**

1/2x-6=5
*July 19, 2011*

**math**

a farmer plants a square block of trees. he plants another 25 tress and still has a square plantation. how many trees in the new plantation
*February 13, 2011*

**math**

5x^3y^4/14x^5y^-8
*February 2, 2011*

**10th grade**

log (x-9) - 109x=log 19
*December 3, 2010*

**Math**

a+c=8
*November 26, 2010*

**Math**

The side length,s, of a cube is related to its volume, v, by the formula s=v^1/3. A cube box when filled with materials has a volume of 729 cm2. What is the side lenth of the cube box used? Please help me step by step with this. I don't know where to start :(
*November 20, 2010*

**Math**

The side length,s, of a cube is related to its volume, v, by the formula s=v^1/3. A cube box when filled with materials has a volume of 729 cm2. What is the side lenth of the cube box used? Please help me step by step with this. I don't know where to start :(
*November 18, 2010*

**4th grade science**

What sea animal you get when you unscramble the letters gsntoe
*October 25, 2010*

**Chemistry**

many many many thanks. I can't tell you how long I've been working on figuring this one all out. Your help is very much appreciated not only because you helped answer it but because you helped me understand it.
*October 19, 2010*

**Chemistry**

Thank you for your help. I did want to clarify why you are only calculating the Molar Mass for H2 and not the molar mass for H2O (or even H2O2). I'm not sure why you did this. Please clarify. See below: The following reaction represents the decomposition of hydrogen ...
*October 19, 2010*

**Chemistry**

The following reaction represents the decomposition of hydrogen peroxide 2H2O2 -> o2 (g) + 2H2O (l) How many molecules of water are produced from the decomposition of 3.4g of Hydrogen peroxide, H2O2? Please walk me through this one, I need more then just the answer, I need ...
*October 19, 2010*

**Chemistry**

Hi I just wanted to verify a few answers to chem questions I'm working on. Was wondering if anyone could help? 1. Calculate the molar concentration of 2.34g of lithium hydroxide, LiOH disolved in water to make 750ml of solution. My answer was CLiOH = 0.133 mol/L nLiOH = 2....
*October 17, 2010*

**algebra**

2/3m + 17 = 17
*October 13, 2010*

**Physics**

A 2.1 kg particle-like object moves in a plane with velocity components vx = 30 m/s and vy = 55 m/s as it passes through the point with (x, y) coordinates of (3.0, -4.0) m. (a) What is its angular momentum relative to the origin at this moment? kg · m2/s (b) What is its...
*July 30, 2010*

**Social Studies**

How did the principles of the Enlightenment affect the production and development of European art
*May 31, 2010*

**Social Studies **

Explain how the gardens of Versailles reflect the political atmosphere of King Louis XIV's France?
*May 30, 2010*

**Chemistry**

calculate the molality of a solution of 3.76g NaOH in 85.0g H2O
*April 26, 2010*

**college financial planning**

How do i prepare journal entries when they ask you to record perpetual system merchandising transactions of a company?
*March 7, 2010*

**math**

Write an equation form of each number using the digits 2, 3, 4 and 5 in each exercise. The expression should contain an exponent. Use each digit once. 1. 27= 2.5 = 3. 1 =
*January 26, 2010*

**Physics**

Calculate the location and amount of force required to cause this system to be in equilibrium. Draw this force on the diagrm below showing direction, magnitude, and location. The rod weights 200 lb. 80 lb 60 lb ^ ^ --------------------------------------- 0ft 15ft 45ft 70ft
*October 24, 2009*

**scientist**

Physical properties can be anything like phase, boiling point, melting point, density, or other PHYSICal things.. Whereas, chemical properties can be its electronegativity, its energy of ionization, its entalphy, pH, or anything related with chemistry (its properties when it ...
*October 18, 2009*

**Physics**

a)This is probably simpler.. The approaching run is used as a medium to store kinetic energy or you can also say force (F=ma), then the force/energy stored is transfered as the kinetic energy as you jump or throwing discus. b)For this, i would say it's 30 degrees because ...
*October 18, 2009*

**math**

I think it's 5/8 as a fraction
*October 18, 2009*

**math**

All real number except 6/5 because if you plug-in 6/5, the denominator will be 0, and it's not valid mathematically...
*October 18, 2009*

**adult education**

Just to add to the previous answer, x should be 33.91 cm
*October 18, 2009*

**calculus**

For question a, y = 3x^2, so dy/dt = 6x dx/dt dy/dt = 6(2) * 3 dy/dt = 36 For question b, as t approacing infinity, x is also approaching infinity (the object is moving along the track of the function, remember(, then dy/dt is also approaching infinity in vertical sense... For...
*October 18, 2009*

**science**

Waste products of the cells (almost any cells) are nitrogen-based. If the waste are released to the pond, the level of nitrogen (in the form of nitrate) will be spiking, creating a viable environment for algae, or some other aquatic bacteria to grow. Therefore, there will be a...
*October 18, 2009*

**Physics**

Answer for a is that the path will be linear, meaning that the person will see it as a 'vertical" motion.. However, for b, the answer is that the observer will see the object motion as a parabolic or projectile motion... Hope it helps.
*October 18, 2009*

**SAT sentence completion**

Despite passing the twelfth grade with honors, she scored the SAT with a grade of 340 exactly it makes sense. HONORS and 340 are OPPOSITES. orderly and a lot of money = opposites. (why would u spend that much money if its orderly) terrible looking and a lot of money follow ...
*October 6, 2009*

**SAT sentence completion**

i mean if it was BECAUSE instead of DESPITE... then it would make sense because it looked horrible, she spent an excessive amount but since it is despite although it looked horrible, she spent a lot of money? that makes no sense to me
*October 6, 2009*

**SAT sentence completion**

i dont get it i thought was although the dog was (so already groomed and clean) she still spent a lot of money why is that wrong?
*October 6, 2009*

**SAT sentence completion**

DESPITE stephanie's dog's ________appearance, she spent _______________ amount on grooming i put despite stephanies dogs orderly apperance, she spent an enormous amount on grooming the answer: despite stephanies dogs disheveled apperance, she spent an inordanant amount...
*October 6, 2009*

**CalculusAB**

determine if differentiable everywhere: 3x-abs(x)-1=y i know you're supposed to find the derivative.... -- then my mind draws a blank? hahah please help me out also y=x ^ 2/5 you find the derivative and it is 2/(5x^(3/5)) now what? thanks so much
*October 4, 2009*

**physics**

suppose you fire a bullet speed 1600 m/s in a shooting gallery and hear the gong on the target ring .731s later taking the speed of sound to be 330m/s and assuming the bullet travels straight downrange at a constant speed, how far does the bullet travel before hitting the ...
*October 1, 2009*

**mba**

(Default risk) You buy a very risky bond that promises a 9.5% coupon and return of the $1,000 principal in 10 years. You pay only $500 for the bond. a. You receive the coupon payments for three years and the bond defaults. After liquidating the firm, the bondholders receive a ...
*September 27, 2009*

**physics**

An airplane pilot wishes to fly due west. A wind of 82.0 km/h is blowing toward the south. If the airspeed of the plane (its speed in still air) is 380.0 km/h, in which direction should the pilot head? This is what I did. I let theta = arcsin(82.0/380.0) theta = 12 degrees ...
*September 20, 2009*

**chemistry/physics**

i need to determine how many protons, neutrons, and electrons are in these but they arent just straight elements tehy are singly ionized hydrogen (positive) doubly ionized hydrogen(positive) and singly ionized oxygen (negative) these are my answers, respectively 1. one proton ...
*September 13, 2009*

**scientist**

Scientists do their experimental tests more than once so they can reduce the effects of chance errors this called conducting__________?
*August 24, 2009*

**sat math**

According to ETS, is 0 a positive integer? Ive heard many contradicting answer to this, and even books disagree with each other. We all know that 0 is NEITHER POSITIVE NOR NEGATIVE. but what does ETS consider 0 for teh SAT??
*July 21, 2009*

**history**

can you read my introduction please? Since the beginning of ‘United’ States of America, a division has been very apparent between the North and the South; however, compromise has always sufficed in calming the controversy, but nearing 1860, political compromise ...
*June 21, 2009*

**history**

Sorry one more: Abraham Lincoln: basically asks many questions, im having hard time seeing the underlying point: "you may say that all of this difficulty in regard to the institution of slavery is the mere agitation of office seekers and ambitious Northern Politicians......
*June 21, 2009*

**history**

In the early nineteenth century, Americans sought to resolve their political disputes through compromise, yet by 1860 this no longer seemed possible. Analyze the reasons for this change. we have to write a DBQ for our final in AP US history: I know im supposed to talk about ...
*June 21, 2009*

**chemistry?**

why does Si-28 contain 14 neutrons?
*June 9, 2009*

**history- response to Ms. Sue's comment**

I dont understand this question: the removal of general mcclellan represents a loss of the army and the potomac and a victory for the interfering politicans in washington (validate) i know that mcclellan was replaced by grant because he was to hesitant to attack. but i dont ...
*May 31, 2009*

**history**

I dont understand this question: the removal of general mcclellan represents a loss of the army and the potomac and a victory for the interfering politicans in washington (validate) i know that mcclellan was replaced by grant because he was to hesitant to attack. but i dont ...
*May 28, 2009*

**history**

I dont understand this question: the removal of general mcclellan represents a loss of the army and the potomac and a victory for the interfering politicans in washington (validate) i know that mcclellan was replaced by grant because he was to hesitant to attack. but i dont ...
*May 28, 2009*

**Chemistry**

When salt and water molecules attract, of what charge is the salt, and of what charge is the water? Thanks for explaining.
*May 27, 2009*

**chemistry**

Solid Na2SO4 is added to a solution which is 0.014 M in Pb(NO3)2 and 0.041 M in AgNO3. Assume the volume remains constant. Ksp = 2.0 10-8 for PbSO4 and Ksp = 1.2 10-5 for Ag2SO4. (a) Which compound precipitates first? 1 PbSO4 (b) What is the concentration of the first ion ...
*May 11, 2009*

**Chemistry**

SO2(g) + NO2(g) SO3(g) + NO (g) At a given temperature, analysis of an equilibrium mixture found [SO2] = 4.00 M, [NO2] = 0.500 M, [SO3] = 3.00 M, and [NO] = 2.00 M. (a) What is the new equilibrium concentration of NO when 1.50 moles of NO2 are added to the equilibrium mixture...
*May 11, 2009*

**6th grade math**

I meant to type 1/2 and not 1.2,sorry. Thank you for answering the questions. I will use the same operation to solve the first part of the problem. Thank you!
*April 7, 2009*

**6th grade math**

Max kept records about where he spent his money. At the end of the year, he announced that he had spent 1.2 of his income on food and rent, 1/2 of his income on clothing, 1/12 on entertainment, and had saved $1400. Mike said he spent 1/2 of his income on food and rent, 1.4 of ...
*April 7, 2009*

**ACCOUNTING**

P7-2B The board of trustees of a local church is concerned about the internal accounting controls pertaining to the offering collections made at weekly services. They ask you to serve on a three-person audit team with the internal auditor of the university and a CPA who has ...
*March 16, 2009*

**History (or for people familar with the film Mulan**

Does anyone know when there are examples of Legalism and Daoism (also known as Taoism) in th emovie Mulan?
*November 4, 2008*

**Math**

What is 18,116 rounded to?
*September 8, 2008*

**english language**

which is correct - it is lateefa and I or it is lateefa and me
*August 16, 2008*

**Chemistry**

What are probes in RFLP made of? HOw do they help isolate rare DNA fragments? I can't find the answer, so can I get some help please.
*May 22, 2008*

**6th grade math word problem**

1 row to 24 2 rows of 12 3 rows of 8 4 rows of 6 24 rows of 1 12 rows of 2 8 rows of 3 6 rows of 4
*April 14, 2008*

**Math**

1.5 x 1.5 =
*April 14, 2008*

**Math**

12x3=36 3x2=6 Take that 6 and put it behind the 36 which will give the answer of 366. So 3x122=366 is your answer.
*April 14, 2008*

**Math**

Thanks Lesha. Have a nice night.
*April 8, 2008*

**Math**

Which group of decimals is ordered from least to greatest? A. 5.6,5.9,5.09,5.96,5.136 B. 0.112,1.012,1.3,1.0099,10.12 C. 2.8,2.109,2.72,2.1,2.719 D. 0.132,0.23,0.383,0.3905,0.392
*April 8, 2008*

**Math**

Which group of decimals is ordered from least to greatest? A. 5.6,5.9,5.09,5.96,5.136 B. 0.112,1.012,1.3,1.0099,10.12 C. 2.8,2.109,2.72,2.1,2.719 D. 0.132,0.23,0.383,0.3905,0.392
*April 8, 2008*

**math**

1 3/8 is the answer. Thank you so much.
*April 8, 2008*

**math**

I am having a hard time with fractions. Need some help with 2 1/4 - 7/8 =
*April 8, 2008*

**science**

Hare are Vaccines important in preventing viral diseases?
*February 9, 2008*