Friday

March 6, 2015

March 6, 2015

Total # Posts: 1,300

**chemistry**

an oxygen storage tank contains 12l at 25 degrees C and 3 atm.After a 4 L canister of oxygen at 25 degrees C and 3atm is emptied into the ,what do you expect the temperature of the tank to be
*October 11, 2012*

**math**

use Distributive property to solve equation 9(b-4)=27
*October 9, 2012*

**Physics**

what is the force that a jet pilot feels against his seat as he completes a vertical loop that is 500 m in radius at a speed of 200 m/s? Assume his mass is 70 kg and that he is located at the bottom of the loop.
*October 6, 2012*

**Physics**

an athlete drops from rest from a platform 10m above the surface of a 5m deep pool. Assume that the athlete enters the water vertically and moves through the water with the constant acceleration, what is the minimum average force with water must exert on a 62 kg diver to ...
*October 3, 2012*

**chemistry**

which of the ff are gases at 50 degrees celcius bromine, mercury, propane, radon, silver
*October 2, 2012*

**visual logics**

I need help drawing for flags increasing in heighth
*September 21, 2012*

**Math**

Explain how to draw a picture to find 3 x 0.9. Grandma needs help for her 5th grade granddaughter!
*September 19, 2012*

**Physics**

In order to open tha clam it catches, a seagull will drop the clam repeatedly onto a hard surface from high in the air until the shell cracks. if a seagull flies to a height of 16.4m, how long will the clam take to fall? The acceleration of gravity is 9.8m/s². Answer in ...
*September 16, 2012*

**Physics**

In order to open tha clam it catches, a seagull will drop the clam repeatedly onto a hard surface from high in the air until the shell cracks. if a seagull flies to a height of 16.4m, how long will the clam take to fall? The acceleration of gravity is 9.8m/s². Answer in ...
*September 16, 2012*

**Finance**

Dr. David Dunn is adding a new piece of diagnostic equipment to the department. Two similar models are offered by two different vendors, and both models would serve the needs of the clinic. both also have an estimated useful life of five years, with no salvage value at the end...
*September 8, 2012*

**Physics**

After having collected samples along the shore all day long, a marine biologist walks back to her campsite, 2.35 km away. Her dog runs ahead, at twice the speed, reaches the campground and turns around until it meets her again. Then, the dog proceeds to run back to the ...
*September 2, 2012*

**CHEM**

can anyone help me please convert water is flowing through a-inchdiameter pipe with a velocity of 3FT/S. WHAT IS the KE of water in (ft) (lbf)/lbm
*August 30, 2012*

**algebra**

The expression: 553.7x + 27,966 Can be used to approximate the average annual salary in dollars of public school teacher in the year 1985 + x What was the average teacher's salary in 1993? In which year will the average salary reach $45,000?
*August 5, 2012*

**medical billing/coding**

21931
*August 3, 2012*

**math**

i need to divide and simplify 11y-44/25 divided by y-4/35y
*July 16, 2012*

**interior decoration**

Which one of the following statements describes benefit ? A self-employment tax is a? The best style of selling to adopt is ? When should you give your client a signer copy of the inventory list?
*June 23, 2012*

**interior decoration**

Which one of the following statements accurately reflect a characteristic of selling? What characteristic of a good salesperson would help overcome a client's objection to a high price? Which of the following strategies would you use to attract customers if you Want to ...
*June 23, 2012*

**interior decoration**

What is pre-shopping? A cold call is a ? The primary purpose of qualifying clients is to?
*June 23, 2012*

**beginning algebra**

12000 was invested in two funds. the first made 5% interest and the second made 8%. the total interest earned was $768. How much wasinvested in each account.
*June 20, 2012*

**beginnning algebra**

the perimeter of a triangle is 136m. If the seond side is 8m. more than half the first and the third side is 12m. less than twice the first, find the three sides.
*June 20, 2012*

**Math**

solve the equation, 2D + 3 = 13, 12E - 3 = 0
*June 17, 2012*

**Math**

Graph the line Y = 5x + 6
*June 17, 2012*

**Math**

Graph the equation X = 1/2 y2
*June 17, 2012*

**Math**

Contract the expressions. In (3) - 2 In (4)+ In (8)= In (3) - 2 In (4+8) = In (3) - 2 (In (4) + In (8) ) =
*June 17, 2012*

**Math**

Suppose the modiefied quota is 5.37. Find the lower quotas and the upper quotas. Find the arithmetic means of the lower and upper quotas. Find the geometric means of the lower and the upper quotas. Round the given modified quotas by comparing it with the geometric means.
*June 16, 2012*

**math **

Calculate the expression in common logarithms. log (80)= 6
*June 13, 2012*

**Math**

Find the ending balance in a account that opens with 6,480, earns 8.5% interest compounded monthly, and is held for 15 years.
*June 13, 2012*

**Math**

Solve the equation from smallest to largest. 2x^2 = 7x + 4. If the no solution.
*June 13, 2012*

**Math**

Find the sum of the first 35 consecutive odd numbers. What is the sum of the first 350 consective odd numbers?
*June 13, 2012*

**Math**

Consider a die with 8 sides, marked one, two, three, and so on. assuming equally likely outcome, find the probability that the sum of two dice is the given number. If p(10)=
*June 13, 2012*

**Math**

What is the chances of being dealt a royal flush or a straight? What is the chance of being dealt a straight (but not a royal) flush or better? What are the chances of being dealt a hand that will lose to four of a kind.
*June 13, 2012*

**math**

If $870 is invested in an account that earns 24.25%, compounded annaually, what will the account balance be after 30 years.
*June 13, 2012*

**AP History**

Write and intro on Why the Europeans take over the Indians Territory
*May 28, 2012*

**Math**

Calculate the monthly finance charges for the following credit card transaction, assume that it takes 10 days for a payment to be received and recorded and that the month is 30 days long. $500 balance, 20% rate, $400 payment, average daily balance method.
*May 25, 2012*

**Math**

A car dealer will sell you a used car for $6,664 with $664 down and payments of $174.50 per month for 48 months, what is the simple interest rate?
*May 25, 2012*

**Math**

Evulatate (9) (6) (3) (3) (5) (1)
*May 25, 2012*

**Math**

if the principle $700, the rate 6 1/2% and a 1year, What is the amount of interest? what is the future value?
*May 25, 2012*

**Math**

Spoouse you see a car an advertise price of $25,800 at $590.40 per month for 5 years. what is the amount of interest paid?
*May 25, 2012*

**algebra please help me**

pow 13 phone flub Alondra forgot Melissa's phone number. She did remember that the first three digits were 357- and that all the rest of the digits in the phone number were 2's and 9's and 7's. Alondra is determined to get in touch with Melissa. I'll just ...
*May 24, 2012*

**math**

do you have the answers to exam 06044200
*May 22, 2012*

**algebra PLEASE HELP ME**

pow 13 phone flub Alondra forgot Melissa's phone number. She did remember that the first three digits were 357- and that all the rest of the digits in the phone number were 2's and 9's and 7's. Alondra is determined to get in touch with Melissa. I'll just ...
*May 20, 2012*

**RAM**

RAM is the electronic holding area on the computer. True or false? I say false because the RAM is the size of the electronic holding area, right?
*May 15, 2012*

**earth science**

A different side of the moon faces the earth at different times of the month. True or false?
*May 15, 2012*

**language art**

what is the adverb in the sentence their is a big sale at the mall.
*May 15, 2012*

**Chemistry**

A balloon that has a temperature of 12C and a volume of 10.0Lt has its temperature raised to 150C. Assuming a constant pressure, what will the new volume of balloon be?
*May 13, 2012*

**Chemistry**

is the answer .98?
*May 13, 2012*

**Chemistry**

A sample of a gas at STP has its temperature raised to 510C and its pressure raised to 5 atm. If the initial volume of this gas is 100.0 ml, what will the final volume be?
*May 13, 2012*

**algebra**

How many coins When i dumped the change out of my pocket, I noticed that i could pay the exact price for any item from one cent up to and through one dollar without receiving any change. What is the fewest number of coins I could have had in my pocket if i had pennies, nickels...
*May 7, 2012*

**math**

how t express 3X3X3X8 in index notation
*April 29, 2012*

**ap calculus**

let y=f(x) be the particular solution for the differential equation with the initial condition y(-1_=3/2
*April 28, 2012*

**Statistics**

1. Suppose the distribution of birth weights of babies born at Big General Hospital is normal. If the mean weight is 7.5 lb. and the standard deviation is 1.25 lb, about 50% of the babies will weight between.... 2. Joe runs a carnival game in which he charges $2 for a player ...
*April 26, 2012*

**Chemistry**

Calculate the value of ()Go for the following reaction , given the standard free energies of formation listed below each ion. Ag(SO3)_2^3- -> Ag+ + 2SO32- delta Gf, kJ/mol = -943 +77 -497 a. - 1860 kJ b. – 128 kJ c. + 26 kJ d. - 369 kJ e. + 523 kJ is this correct? (1 x...
*April 25, 2012*

**the sewing machine**

exam 042015
*April 24, 2012*

**Basic Dressmaking Processes**

What length of material do you need to purchase for the dress portion of the outfit?
*April 24, 2012*

**Basic Dressmaking Processes**

In order to produce a professional- looking garment, pressing should be done?
*April 24, 2012*

**ethics & legal issues**

A female patient is scheduled for lumbar spine series. The radiographer is asked to go to another room for some accident victims. She tells you everything is ready to go. You go ahead and perform the x-rays. It is revealed that the woman is pregant and in the first trimester. ...
*April 24, 2012*

**Chem.**

I was confused. is kinetic molecular theory the same thing as ideal gas law?
*April 21, 2012*

**chemistry**

Calculate the value of ()Go for the following reaction , given the standard free energies of formation listed below each ion. Ag(SO3)_2^3- -> Ag+ + 2SO32- delta Gf, kJ/mol = -943 +77 -497 a. - 1860 kJ b. – 128 kJ c. + 26 kJ d. - 369 kJ e. + 523 kJ is this correct? (1 x...
*April 21, 2012*

**chemistry**

is this correct? (1 x -943) - (2 x -497) + 77 -943 - 917 = -1860 so A?
*April 21, 2012*

**Algebra**

Please help solve Problem of the Week Waiting in line... The week before the big concert, five friends Alan, Ben, Cameron, Derryck, and Garrett, stood in line to buy tickets. There were other people there, but the five friends were in the line in the order listed above. The ...
*April 19, 2012*

**Chemistry**

CH4+2O2-->CO2+2H2O How many Liters of carbon dioxide will be produced at 24 degrees celcius and 725mm Hg from the combustion of a 15.0 gallon tank of methane? How much energy is associated with combusting a 15.0 gallon tank of methane?
*April 18, 2012*

**Chemistry**

Regular gasoline (C8H18) reacts with oxygen gas to form carbon dioxide gas and water vapor. If your tanks of gasoline holds about 10.5 kg of gasoline, how many liters of carbon dioxide are formed at 24 degrees Celcius and 725mm Hg from the combustion of one tank of gasoline?
*April 18, 2012*

**chem1151**

please me solve During an experiment to measure the efficacy of an antacid tablet, an antacid tablet was dissolved in deionized water. Then 75.0 milliliters of 0.268 M HCl solution were added to the flask containing the dissolved tablet. How many moles of HCl were added to ...
*April 15, 2012*

**chem stoichiometry **

Acetylene(C2H2) burns in oxygen to form carbon monoxide and water. How many liters of oxygen(at STP) are needed to burn 25.0 L of acetylene (at STP)?
*April 14, 2012*

**algebra**

A basketball player made 52 out of 65 free throws. What percent is this
*April 13, 2012*

**Algebra**

Snap to It... I snap my fingers now, in one second, I smap them again. I wait two seconds and snap them a third time. I wait 4 seconds before snapping them again. Then I wait eight, then sixteen, and the pattern continues. The interval between each snap doubles each time. How ...
*April 13, 2012*

**Algebra**

Snap to It... I snap my fingers now, in one second, I smap them again. I wait two seconds and snap them a third time. I wait 4 seconds before snapping them again. Then I wait eight, then sixteen, and the pattern continues. The interval between each snap doubles each time. How ...
*April 13, 2012*

**Chemistry**

Which of the following is the most effective buffer system for a pH value of 7.45? Assume all are 1M A. Carbonic acid and sodium bicarbonate B. Sodium bicarbonate and sodium carbonate C. Sodium dihydrogen phosphate and disodium hydrogen phosphate D Hydrogen cyanide and sodium ...
*April 11, 2012*

**chemistry **

please help Calculate the volume in mm3 of a slice of potato if it is cut into the shape of a rectangular prism (volume = length x width x height), which is 2.24 cm long, 0.84cm wide and 2.88cm high
*April 4, 2012*

**chemistry **

please help calculate the volume of a cylinder that is 4.476 mm in height and 17.00mm in diameter
*April 4, 2012*

**Math**

Use the local linear approximation to approximate a value for f (x)= sec 121 degrees.
*April 2, 2012*

**Math**

Corn is poured through a chute at the rate of 10ft^3 / min and falls in a conical pile whose bottom radius is always half the height. How fast is the circumference of the base changing when the pile is 8 feet high? Please explain
*April 2, 2012*

**Math**

A projectile is fired upward 200 ft from an observer. The height in feet of the projectile after t seconds is given by s=-16t2 + 180t. What is the rate of change of the angle of elevation of the observer to the projectile after 7 seconds? I don't understand how to get there!
*April 2, 2012*

**math**

If you invest $17,000 a year for 11 years, at 4% compounded monthly, what would the balance be at the end of 11 years?
*March 29, 2012*

**Religon**

Unscrable mastcrane
*March 25, 2012*

**algebra**

x squared + 8x + 32 = 11
*March 22, 2012*

**algebra**

5 6-penni nails & 3 10-pennie nails
*March 22, 2012*

**chem 1151 please help me **

1 The mass of the magnesium metal when performing the calculation of the ideal gas constant experiment... After all measurements have been taken and the stopper is removed from the eudiometer, the liquid in the beaker can be
*March 19, 2012*

**math**

Thank You so much. I will have to ask her teacher about the way she is being taught with adding the interest each year. Thank You again.
*March 15, 2012*

**math**

The teacher has her adding the interest each year seperately. I dont know.
*March 15, 2012*

**math**

I am cassandras mom very confused by the way she is being taught this. I took 275 X 7.5% X 4 = 82.50 + 275 =357.50. Thats the answer I got. She has an answer of 341.62. So whos right?
*March 15, 2012*

**math**

$275 at 7.5% for 4 years?
*March 15, 2012*

**Chemistry**

The approximate pH of a 3.0 x 10-3 M solution of the strong acid H2SO4 is a) 3.5 b) 3.0 c) 2.5
d) 2.2
e) -3.0 i got C by -log(3.0e-3) is this correct?
*March 14, 2012*

**English:Language Arts 1**

1999,I went to Disney World for vacation
*March 13, 2012*

**physics**

A ball with a horizontal speed of 1.25 {\rm m/s} rolls off a bench 1.00 {\rm m} above the floor. How long will it take the ball to hit the floor? How far from a point on the floor directly below the edge of the bench will the ball land?
*March 11, 2012*

**astronomy**

Suppose Mercury's rotation period were three-quarters of its orbital period. How many Mercury days would ther be in a Mercury year?
*March 11, 2012*

**statistics**

if the average number of textbooks in professors' offices is 16, the standard deviation is 5, and the average age of the professors is 43,with a standard deviation of 8 ,which data set is more variable ?
*March 10, 2012*

**chem**

If one started will 7.72g of copper (11) chloride, how many gram of copper could be produced ?
*March 10, 2012*

**chem1151 please help me**

275.1282
*March 8, 2012*

**chem1151 please help me**

If one started will 4.33g of copper(11) chloride , how may grams of copper could be produced?
*March 8, 2012*

**chem1151**

I don't understand it.Please help me!
*March 8, 2012*

**chem1151**

If 2.68 grams of Copper was recovered and you started with 8.94 grams of Copper(II)chloride,then what is the percent yield of the reaction?
*March 8, 2012*

**Singapore Math**

An animal shelter has 1008 cats, dogs and rabbits. The ratio of the number of dogs to the number of cats in the animal shelter is 3:7. The ratio of the number of rabbits to the number of dogs is 2:5. How many rabbits are there in the shelter?
*March 6, 2012*

**astronomy**

What is theratio of the luminosity per aquare meter coming from a part of the Sun that is 5800 K versus a sunspot where the temperature is 5000 K?
*March 5, 2012*

**astronomy**

How fast must a spaceship travel to reachthe center of the Galaxy (26,000 ly away) in 100 years "ship time"?
*March 5, 2012*

**Excel Graphs**

i'm having trouble getting my graph to come out right in the legend its posting everythin and only need 2 mts to show up how can i fix it
*March 5, 2012*

**astronomy**

How fast must a spacecraft travel to reach the center of our Galaxy (26,000 ly away) in 100 tears "ship time"?
*March 4, 2012*

**Astronomy**

thank you
*March 4, 2012*

**Astronomy**

What is the Lorentz factor for a spaceship traveling at 0.5c?
*March 4, 2012*

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