Friday

April 18, 2014

April 18, 2014

Total # Posts: 2,095

**accounting**

What potential problems can arise if a company incorrectly classifies costs? Example, what if an inventoriable cost is classified as a period cost?

**thermodynamic**

The air 10 cm diameter cylinder, as shown below, is heated until the spring is compressed 50mm. Find the work done by the air on the frictionless piston. The spring as the beginning of this process has a displacement of 0.0m with a spring constant of K=10KN/m. (assume Patm=101...

**thermodynamic**

Energy is added to a piston-cylinder arrangement. The piston is withdrawn in such a way that the temperature remains constant. The initial pressure and volume are 200 KPa and 2m^3, respectively. If the final pressure is 100 KPa, determine the work done by the ideal gas on the ...

**Physics**

The mass of the hockey puck is 185 grams. When you said time = distance/average speed stopping, in the equation F = m (46.473)*(23.236/.0439), did you mean this, .0439/23.236.

**Physics**

A player strikes a hockey puck giving it a velocity of 47.673 m/s. The puck slides across the ice for 0.175 s after which time its velocity is 46.473 m/s. The acceleration of gravity is 9.8 m/s2 . If the puck strikes the goalie’s pads and stops in a distance of 4.39 cm, w...

**thermodynamic**

N2 is described by its state properties of temperature @ -100 degree C, and Pressure @ 10.0 MPa. Determine if it is reasonable to assume that the given substances behaves as a real or non-ideal substance determine its compressibility factory Z.

**thermodynamice**

A cylinder contain 3 kg of water and water vapor mixture in equilibrium at a pressure of 500 KN/m^2. If the volume of the cylinder is 1.0 m^3, calculate the following. A)temperature of the mixture B) the volume and mass of the liquid C)The volume and mass of the vapor

**Physics**

You are driving at the speed of 33.4 m/s (74.7296 mph) when suddenly the car in front of you (previously traveling at the same speed) brakes. Considering an average human reaction, you press your brakes 0.484 s later. Assume that the brakes on both cars are fully engaged and t...

**Physics**

You are driving at the speed of 33.4 m/s (74.7296 mph) when suddenly the car in front of you (previously traveling at the same speed) brakes. Considering an average human reaction, you press your brakes 0.484 s later. Assume that the brakes on both cars are fully engaged and t...

**english**

I need help determining the key differences between the four types of writing (summary, analysis, synthesis and evaluation).

**7th grade math**

6+x=2x-14 -x = -x 6=x-14 6+14=+14 20=x

**Science**

what forces would be at work if you were trying to move a 20,000kg block of stone? Withoust using a cart or truck, how could you move the stone?

**English 1**

Underline the correct pronoun of each pair in parentheses. 1. Women (who, whom) raise families do as much work at home as at their jobs. Whom 2. In North America society, it is still mainly women (who, whom) cook dinner, clean the house, check the children’s homework, rea...

**geometry**

If the smaller leg of a 30-60-90 triangle is 4 m, what are the lengths of the longer leg and the hypotenuse?

**English 1**

Revise the mixed sentences so that the beginning of each sentence fits logically with its end. If sentence is correct cirle it. 4. While following an object with her eyes is when eye coordination develops When following an object with her eyes is when eye coordination develop...

**English 1**

Revise the mixed sentences so that the beginning of each sentence fits logically with its end. If sentence is correct cirle it. 1. By showing babies plain, black-and-white images will help them learn to recognize shapes and focus their vision. Showing babies plain, black-and0...

**English 1**

Revise the mixed sentences so that the beginning of each sentence fits logically with its end. If sentence is correct cirle it. 1. By showing babies plain, black-and-white images will help them learn to recognize shapes and focus their vision. 2. Babies can see their parents&#...

**English (Shifting and mixed sentences)**

1. By showing babies plain, black-and-white images will help them learn to recognize shapes and focus their vision. 2. Babies can see their parents’ faces but will not respond with a smile until they are a few weeks old. 3. Babies may gaze intently into a small, unbreakab...

**English 1**

Through changing his facial expression indicates he may find a particular sound soothing or comforting.

**5th grade**

divide 6358 by 100

**PLEASE READ before you ask a question**

ace your college classes dot com for homework help

**pre calculus**

Write the trigonometric expression in terms of sine and cosine, and then simplify. cot(x)/csc(x)-sin(x)

**geometry**

if triangle FGH~ to Triangle PQR, FG = 6, PQ = 10 and the perimeter of trinagle PQR is 35 find the perimeter of triangle FGH

**us history`**

township

**English**

Thanks that makes since to be now. Let me try a few more that can be either just to make sure I understand. 1.All of the actors (knows, know) their lines. 2. Most of the plants (needs, need) water. 3.Now more of the waiters (seems, seem) busy. 1.plural=know 2.plural=need 3.plu...

**English**

Can you please explain how none is singular in sentence #1? I know that all, any, more, most, none, and some may be either singular or plural, depending on their meaning in a sentence.

**English**

1.plural=has 2.singular=is

**English**

1. None of the guests (has, have) left. 2. Each of these apples (is, are) ripe. 3.One of my favorite songwriters (is, are) Billy Joel. 4.Some of my cousins (has, have) come to my party. 5.All of the bread (was, were) eaten. Tell if the indefinite pronoun is singular or plural ...

**English**

1.Everyone in the club (has, have) read this book. 2.Most of the field (needs, need) mowing. Tell if the indefinite pronoun is singular or plural. Then choose correct word in () 1.singular=has 2.singular=needs

**5th grade**

Ther is no mode

**math **

60 boys 80 girls

**algebra**

The natural stride up a certain staircase has a slope of 3/5, meaning that a run of 5 inches has a rise of 3 inches. The model for a standard staircase is y=(3/5)x Find the rise for a staircase constructed at a mansion which has a run of 12 inches. Not sure how to set equation up

**Chemistry**

A 0.5962g sample of iron ore is dissolved in acid producing Fe3+. Through a series of reactions, the iron precipitates as the Fe(OH)3. The precipitate is heated, forming solid Fe2O3. What is the mass % of iron in the sample if the analysis produced 0.3210g Fe2O3?

**11th grade**

From what i see your trying to convert 4000 grams of fe203 to moles, and then multiply the find the amount of fe203 in 3 moles of co2. So your answer would be 4000*3/ 159.68 = 75.2 mole of co2 .

**English**

1.He lived with his parents, brothers, and sisters. 2.Those in this small Mexican American community were worried and frightened. 3.That was the time when Cesar Chavez first lived among the migrant workers. 4.Chavez became a spokesperson for poor farmworkers. 5.In 1962, he est...

**5th grade math**

The number of pages is a 2-digit number. the number of photos on a page is a 1- digit number. the number of pages is 60 more than the number of photos on a page. the number of pages is divided by the number of photos on a page is 16. What is the number of pages?????????

**English**

1.Throughout his life, Chavez focused on nonviolent action. 2.He organized several boycotts of grapes and lettuce. 3.In California there was work for farmworkers if they could go from one farm to another. 4.In 1937, Cesar Chavez's family did not have enough money for the t...

**math**

the number of pages is a 2-digit number. the number of photos on a page is a 1- digit number. the number of pages is 60 more than the number of photos on a page. the number of pages is divided by the number of photos on a page is 16. What is the number of pages?????????

**math**

the number of pages is a 2-digit number. the number of photos on a page is a 1- digit number. the number of pages is 60 more than the number of photos on a page. the number of pages is divided by the number of photos on a page is 16. What is the number of pages?????????

**Physics**

A ball thrown horizontally at 18.3 m/s from the roof of a building lands 36.3 m from the base of the building. How tall is the building?

**Algebra**

Question: Looking below is this answer correct? If you follow the math, you reach the entire population before 8 hours have passed yet the solution says 8.86 hours.... Is the solution giving us the numbers in the set and not the actual elapsed hours??? Does anyone know why? th...

**algebra**

what is slope and y intercept for y=22.048x-19.464

**7th grade math**

SA=2pi(4 squared) + 2pi (4)(20)

**7th grade math**

30 = 12d

**ALGEBRA**

Thank you, i was checking my answer.

**ALGEBRA**

Express as a single logarithm and simplify: log x – log (8x) + 2 log 4

**trig**

find exact value cos(13pi/15)cos(-pi/5)-sin(13pi/15)sin(-pi/5)

**trig**

find exact value using sum or differnce equations. tan(19pi/12)

**pre-algebra (interests & percentss)**

$21.60

**statistics **

When a card is selected from a deck, find the probability of getting a diamond, a face card or a diamond, or a club and a king?

**physics**

an atwoods machine has a solid cylindrical pulley with a mass of 200g and a radius of 10cm. a 1.2 kg mass is hung on one side and a 1.1kg mass on the other side, find the acceleration of the two masses and the itme for them to travel a distance of 60cm

**chemistry**

A sample of a gas occupies a volume of 1158 mL at 59ºC and 0.76 atm. What would be the new volume if temperature decreases to 40ºC and pressure increases to 1.40 atm?

**Science: Chemistry**

A sample of a gas at 0.73 atm occupies a volume of 245 mL. If the temperature remains constant, what will be the new pressure if the volume increases to 633 mL?

**physics**

P fluid=r x h x g wher h =3.4m P total =P atmospheric + P fluid Normal atmospheric pressure = 1.01 x 10^5

**organic chemistry**

What is the product of reaction of triphenylmethanol heated up with 40% HI in glacial acetic acid and then treated with sodium bisulfite?

**English**

1.The castanets, which were quite old, had been Melanie's grandmother's. 2.You were always singing when you were little. 3.Three Indian elephants patiently towed the logs that had just been cut. 4.Stay with us as long as you want. 5.The Forbidden City, where China'...

**English**

1.Camels stamped and bellowed in annoyance when packs were put on them. 2.Aloe plants, which originated in Africa, are now widely available in the US. 3.As far as scientists can tell, there is no connection between these two events. 4.If you adjust the blinds, you won't ha...

**Thermochemistry Ap Chem homework**

i used the formula m(delta T)Cp=delta H (10.0)(20.0-0.00)= x and so x = 200... is that correct, if so would the units be degrees celcius?

**Thermochemistry Ap Chem homework**

Any help would be great, even if it is just a way to start or a formula. Calculate the heat necessary to convert 10.0 g of water (just melted) at 0 degrees Celcius to water at 20 degrees Celcius, assuming that the specific heat remains constant at 1 cal/gram degrees celcius.

**algebra**

ãx8y5

**algebra**

need to find square root 292

**College algebra**

Solve for z 4(4-2z)+1=7(x+2(1-z))

**algebra**

determine the distance betwen the two points (5,12) and (11,-4)

**Chemistry**

Reacting Potassium carbonate with Barium chloride

**science**

what was the acceleration of an object between 8 and 10 seconds if velocity at 8 seconds is 10 mi/hr and 0 mi/hr at 10 seconds?

**7th grade math**

find a ratio equivalent to the ratio 7 over 9 then use the ratio to write a proportion

**English**

1.The Reverend Jesse Jackson spoke at the convention. 2.I wear heavy wool socks under my hiking boots. 3.Joel and Tina are participating in the Special Olympics. Identify prepositional phrase, tell if adj or adverb phrase then word that phrase modifies 1.at the convention-adve...

**physics BASIC PLEASE HELP**

Calculations and Data: Angle: As measured by protractor:7.63 degrees As measured by using inverse sin:7.4 degrees Percent error: ((True value-experimental value)/true value))*100= ((7.4-7.63)/7.4)*100=-3.1081% Time: 1.53s 1.4s 1.53s 1.44s 1.47s Average time= (total of times wh...

**English**

2.rode 3.something 5.just

**English**

1.The hikers are ready for a break. 2.Yesterday we rode our bikes through the park. 3.That store has something for everyone. 4.Students from both South America and North America attended the meeting. 5.According to the map, Tony's farm is just ahead. Identify prepositional...

**12th grade**

if cos Q=5/9, find 5/9

**Math**

Ashley can ride her bike to work in 2/3 of an hour. When she drives to work it takes 1/3 of an hour. If she drives 12 miles per hour faster than she rides her bike, how fast does she ride her bike?

**Physics**

A jet pilot is in a vertical loop. If the jet is moving at a speed of 1300 km per hour at the lowest point of the loop determine the minimum radius of the cirlce so that the centripetal acceleration at the lowest point does not exceed 6.0g's.

**Physics**

I just need help with c A long horizontal hose of diameter 4.2 cm is connected to a faucet. At the other end, there is a nozzle of diameter 2 cm. Water squirts from the nozzle at velocity 24 m/sec. Assume that the water has no viscosity or other form of energy dissipation. a) ...

**math**

a computer company can sell 1000 computers if they price them at $500. The number sold will increase by 10 for every 1$ decrease in the price. The company has fixed cost of $100,000, and each computer costs $300 to produce. Find the price that will maximize the company's p...

**English**

I have to add prepositional phrases to the following sentences. Please check to see if correct. 1.The carpenter repaired the roof. 2.The coach explained the play. 1.The carpenter repaired the roof in the house. 2.The coach down the street explained the play.

**Chemistry**

In calibrating a thermometer by setting only the freezing and boiling points, what assumptions are you making regarding the internal diameter of the thermometer and the expansion of alcohol?

**Chemistry**

Suppose that you had a mercury-in-glass thermometer marked and calibrated to measure temperatures from -10 degrees celsius to 110 degrees celsius and you wished to measure a temperature of approximately 115 degrees celsius accurately. How might you use your thermometer to do it?

**math**

I need help with parametric equations, locus problems, tell me how to solve all questions if you can. Need help with one below: Tangents are drawn to a parabola x^2=4y from an external point A(x1,y1) touching the parabola at P and Q (a) Prove that the mid point, M, is the poin...

**Chemistry**

How many electrons in an atom can have each of the following quantum number or sublevel designations? 1. n = 4, l = 3

**Physics**

How fast must a 138 g baseball travel in order to have a de Broglie wavelength that is equal to that of an x-ray photon with A = 100. pm?

**4th grade**

how can you use an array to find partial products for 4x36?

**Ap Chemistry.**

okay, thank you!

**Ap Chemistry.**

Zn + 2HCl -> ZnCl2 + H2 If 7.29 g of Zinc reacted, how many liters of HCl were used? I know that i can't use mass volume conversion, because the HCl is not a gas...so what do i do?

**9th grade Math**

A rectangular floor that measures 3 m by 2 m is covered by 384 square tiles. Determine side length of each tile in centimeters Thanks!

**algebra**

bayside insurance offers two health plans. under plan A, Giselle would have to pay the first $130 of her medical bills, plus 40 % of the rest. Unde plan B, Giselle would pay the first $140, but only 35% of the rest. For what amount of medical bills will plan B save Giselle mo...

**Physics **

A 100-N force has a horizontal component of 80 N and a vertical component of 60 N. The force is applied to a box which rests on a level frictionless floor. The cart starts from rest, and moves 2.0 m horizontally along the floor. What is the cart's final kinetic energy?

**Stats**

A random sample of two hundred fifteen adults is selected from a certain population of registered voters. Assume the population is 20% democrats. Use a normal approximation to estimate (a) the probability the sample contains exactly 48 democrats, and (b) the probability the sa...

**math**

if you simplify the expression 3x+4(x-2)-3x into the expression 3x+ 4x -8-3x, what property did you use associative property commutative property distributive property identity property

**Chem**

Could you please tell me if these are right? How many moles are in the following. A.) 80.0 g of NaOH I got 2.0 moles. B.) 12.0 g of Ca(OH)2 I got 0.16 moles. Write the simplest formula for each of the following compounds. A.) 0.200 mole Al and 0.600 Cl. I got AlCl3 B.) 0.080 m...

**chem-Bob**

What pressure (atm) is exerted by a column of ethanol 65.0 cm high? The density of ethanol is 0.789 g/cm3 and 9.8m/s2 as your gravitational constant. mass*gis the weight of the column density*h*area*g= weight density*h*g= pressure Thanks for your help Bob. The answer i got is...

**Chem**

The relationship between volume and pressure (at constant temperature) is directly proportional. my answer- True The relationship between pressure and temperature (at constant volume) is inversely proportional. my answer- True The relationship between volume and temperature (a...

**physics**

What pressure (atm) is exerted by a column of ethanol 65.0 cm high? The density of ethanol is 0.789 g/cm3 and 9.8m/s2 as your gravitational

**physics**

need some help, A ball with an initial angular velocity of 20.0 rads /s and a rotational inertia of 0.4kgm rolls uphill with an acceleration of -4.00 rad/s . Calculate the net torque acting on the ball. Calculate the angular displacement after 5.00 s.

**accounting**

You can invest in 10 corporate bonds paying 7 percent interest 20 conservative stocks that pay substantial dividends(typically 5 percent of the stock price every year) and 30 growth oriented-technology stocks that pay no dividends. Analyze each alternative and select one.

**CHEM**

Could you please tell me if these are right? Write an equation for the following reactions. Write the correct formulas of the reactants and products. Then correctly balance each equation. A.) Potassium and oxygen gas react to form potassium oxide. I got K+O2=KO2 B.) Sodium and...

**Intro to Science**

A rock with a Weight of 156.8 newtons falls 5 meters. What potential energy does it have left before the end of its fall?

**5th grade math**

I don't get how to express the fraction 30/100 in 20ths.

**economics**

do you believe there are opportunity costs to furthering your education. if so what are they if not why

**Math**

Divide.round to the nearest hundredth.2.4 Divide by 9.984

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