Saturday

January 31, 2015

January 31, 2015

Total # Posts: 2,742

**Precalc**

Represent the complex number graphically and find the standard form of the number 5(cos 135* + isin 135*)
*June 3, 2010*

**chemistry**

calculate Ke for the following(equilibrium concertations given below substances H2(g) + Br(g)=2 Br+heat, N2O4(g) + heat= NO2(G)
*June 1, 2010*

**high school chem**

if 150 ml of HNO3 of unknown conceration withmethyl orange indicator present is tritrated with [0.163M]KOH, then the red solution turns yellow after 28.9 ml of the KOH is added. what is the molarity of HNO3 solution.
*June 1, 2010*

**high school chem**

If 250ml of Ba(OH)2 is unknown concerntration with methyl red indicator present is tritrated with [0.325M]HNO3, the yellow solution turns red after 36.4 ml of the HNO3 is added. What is the molarity of Ba(OH)2
*June 1, 2010*

**Chemistry**

A mixture of gases containing equal weights of carbon dioxide, carbon monoxide, and ammonia exerts an overall pressure of 450.0 torr. What pressure is exerted by each gas individually??
*May 29, 2010*

**MTH 156**

For : U= {a,b,c,d,e,f,g} A= {f,g} B= {} C= {a,c,e} Identify the following sets: _ _ _ _ a. A b. B c. C d.U
*May 28, 2010*

**social studies**

how did the south with fewer supplies and resores manage to stall a northern victory for four years?
*May 26, 2010*

**physics**

Light passes from air into water at an angle of incidence of 40.4°. Determine the angle of refraction in the water.
*May 21, 2010*

**Science**

A father swings his child around in a circle. The source of the centripetal force that keeps the child moving in a circle is _____. tension friction weight gravity
*May 21, 2010*

**math**

If 40% of jenne's friends play kickball on weekends,what fraction of her friends don't play kickball?
*May 19, 2010*

**math/area**

multiply
*May 19, 2010*

**5th grade**

what is the circumference of a circle that has a diameter of 8 m
*May 17, 2010*

**Economics**

Hopefully someone can help me with this. "Suppose the production of airframes is characterized by a CES production function: Q=(K^0.5 + L^0.5)^2 (MPL = (K^1/2 + L^1/2) /L^1/2), MPK = (K^1/2 + L^1/2) /K^1/2) Suppose that the price of labor is $10 per unit and the price of ...
*May 17, 2010*

**Com 150**

How does the writing process you read about in this class differ from the process you have used in the past?
*May 15, 2010*

**college physics**

hey..i got 5.52940206x10^26 is that what you got? what are the units?
*May 14, 2010*

**history**

what is the name of the highest class in the 1880's?
*May 14, 2010*

**science**

pray that a science teacher answers your question.
*May 14, 2010*

**Reimbursement Methodologies**

are you still in the class? I took that test and several others for the medical office assistant. I have 14 tests left. I am currently working on reimbursement methodologies final exam. If you would like to contact me, please respond.
*May 14, 2010*

**english 4**

can i get help on my senoir project? it's about csmetic surgery.
*May 13, 2010*

**english**

Romeo and Juliet are dynamic characters, characters who change during the course of the play. Describe how the lovers have changed in this act. What hard lessons have they learned about love?
*May 11, 2010*

**physics**

Find the static pressure that exists in your house water pipes if the water in a storage tank is 25 meters higher in elevation that your pipes.
*May 8, 2010*

**physics**

What is the density of a solid 1.5 kg paperweight that gets submerged in water and displaces 150 cm3 of water
*May 8, 2010*

**Physics**

A circular disk starts from rest and spins around its central axis until it reaches 10 rad/s in 30 seconds at a constant angular acceleration. What is the angular acceleration?
*May 8, 2010*

**drama**

need help finding australian stistics about pollution.
*May 5, 2010*

**geometry-PLEASE CHECK AND HELP DUE TODAY**

I appreciate you taking the time out to answer again but I'm even more confused now. How do I get B as an endpoint and are you saying that the answer to d would be common endpoint? Thanks.
*May 3, 2010*

**geometry-PLEASE CHECK AND HELP DUE TODAY**

<----------------> A B C Thank you for responding. This is what the line looks like but with points where the a b and c are. i thought for finding rays you would use ba as one and bc for the other since a ray is an arrow in one direction and a point at the other? sorry i...
*May 3, 2010*

**geometry-PLEASE CHECK AND HELP DUE TODAY**

1. Refer to the following line m: b. Name two rays on m that have endpoint B. d. Find a simpler name for the intersection of rays BA and AC the line m has points a b and c going on across like that on the line would the answer be ba and bc? what would the answer to d be?
*May 3, 2010*

**geometry-PLEASE CHECK AND HELP!!**

1. Refer to the following line m: b. Name two rays on m that have endpoint B. d. Find a simpler name for the intersection of rays BA and AC the line m has points a b and c going on across like that on the line would the answer be ba and bc? what would the answer to d be?
*May 2, 2010*

**social studies**

How did the geography help the romans prosper?
*May 2, 2010*

**geometry-PLEASE HELP!**

In the figure, l is parallel to m, and m( 1) 5 60°. Find each of the following: b. m( 6) l is paralled to m. this is how the numbers are listed 2 1 3 4 6 5 7 8
*May 2, 2010*

**geometry-PLEASE HELP**

1. Refer to the following line m: b. Name two rays on m that have endpoint B. d. Find a simpler name for the intersection of rays BA and AC the line m has points a b and c going on across like that on the line would the answer be ba and bc? what would the answer to d be?
*May 2, 2010*

**geometry**

thank you for responding but i'm sorry i don't understand what you're saying
*May 1, 2010*

**geometry**

i have 2 questions but i can't copy the figure for you to understand the problem. is there a way to scan it attach it and sent it to someone so I can understand? thanks.
*May 1, 2010*

**Physics**

jkhjk
*April 29, 2010*

**8th grade math**

Kenisha sells athletic shoes part-time at a department store. She can either earn $500 per month plus a 4% commission on her total sales or $400 per month plus a 5% commission on total sales. A)write a system of equations to represent the situation. B)what is the total price ...
*April 28, 2010*

**grammar**

1. The role of education plays a big part in financial planning. 2. The role of education also helps you in learning basic math skills in order to better your finances. 3. The whole idea is to help you in becoming a more responsible adult. 4. With effective resource planning ...
*April 28, 2010*

**physics**

Hi can someone please explain to me how to get the answers to the following questions. It would be greatly appreciated A pair of horizontal parallel plates are placed a small distance, 4.00 mm, apart in air. Each plate is rectangular with a width of 20.0 cm, and length of 37.0...
*April 28, 2010*

**algebra**

find the lcd of the rational expressions 1/35r, (r+3)/10r^2
*April 27, 2010*

**science**

what is the pH of the following 1. [H+] = 10 negative 12th power M 2. [H+] = 10 negative 2nd power M 3. [H+] = 10 negative 7th power M
*April 26, 2010*

**chemistry**

in which compound does sulfur have an oxidation number of -2 1. SO2 2. SO3 3. Na2S 4. Na2SO4
*April 26, 2010*

**chemistry**

Determine the volume (in mL) of a 0.184 M CaCl2 solution that would be required to obtain 73.4 g of CaCl2.
*April 23, 2010*

**math**

sketch the feasible region for this system of the inqualities and find the coordinates of each vertex:y greater than or equal to 1;x less than or equal to 2; -1x+2y less than or equal to 6;1x+2y greater than or equal to 2
*April 22, 2010*

**language arts**

Do you know about Literary Terms?
*April 21, 2010*

**language arts**

I need help finding Literary Terms.
*April 21, 2010*

**9th grade**

who is prince henry and what did he do???
*April 20, 2010*

**College Genetics**

Using donor DNA from an E. coli strain of leu+ arg+ trp- you transform a resipient strain that is leu- arg- trp+ and select for leu+. The resulting 100 colonies are then screened for the arg and trp markers and the results are outlined in the table below. genotype # of ...
*April 14, 2010*

**Gentics**

Using donor DNA from an E. coli strain of leu+ arg+ trp- you transform a resipient strain that is leu- arg- trp+ and select for leu+. The resulting 100 colonies are then screened for the arg and trp markers and the results are outlined in the table below. genotype # of ...
*April 14, 2010*

**social studies**

I don't know the answer
*April 14, 2010*

**trig**

Establish the trigonometric identity (Hint: Use sum to product) cos(5x)+cos(3x)/sin(5x)-sin(3x)=cot(x)
*April 13, 2010*

**Chem 106**

Calculate the grams of HNO3 in 35.0 ml of a 6.00 M HNO3 solution
*April 8, 2010*

**math**

thank you so much!!
*April 8, 2010*

**math**

a survey was made of 200 students to study their use of the public library. the findings were 60 used readers guide 28 used card cat and info booth 68 used info booth 83 did not use the library 43 used only the card cat explain how the info can be used to conclude that some ...
*April 8, 2010*

**chemistry**

how do u find density of the water?
*April 7, 2010*

**Chemistry**

can you be more specific? that equation does not make any sense.
*April 6, 2010*

**English**

I believe A. is the correct answer for the fact that 1. the mother wouldn't leave the baby as Sra said and 2. why leaving with respect when the baby is screaming..? i doesn't make sence to me, so i would say A. is correct.
*April 5, 2010*

**AP Chemistry**

(a) When 300.0 milliliters of a solution of 0.200 molar AgNO3 is mixed with 100.0 milliliters of a 0.0500 molar CaCl2 solution, what is the concentration of silver ion after the reaction has gone to completion? (b)Write the net cell reaction for a cell formed by placing a ...
*April 5, 2010*

**accounting**

If you are puchasing furniture from your business and want to use your own owners equity instead of cash what would be the journal entry if any
*April 4, 2010*

**AP Chemistry**

In a titration of 50 mL 1 Molar HC2H3O2 with 1 Molar NaOH, a student used bromcresol green as an indicator (Ka = 1 X 10^-5). About how many mL of NaOH would it take to reach the end point with this indicator? What would be a better indicator for this titration; why?
*April 3, 2010*

**math**

your answer is correct it is 2
*April 3, 2010*

**science**

A node is caused by this
*April 2, 2010*

**Chemistry**

Which diffuses faster, the bad smell from a cat-pan due to ammonia or an expensive French perfume with an average molecular weight of 170 g/mol? How much fast does the fast one diffuse?
*March 31, 2010*

**Chemistry**

How do I set this up? What formula do I use? Will you please help me? How many liters of ammonia at STP are produced when 10 g of hydrogen is combined with nitrogen?
*March 31, 2010*

**Math**

The game of dots is played by rolling a fair dice and receiving $1 for each dot showing on the top face of the die. What cost should be set for each roll if the game is to be considered a fair game?
*March 30, 2010*

**10th grade**

which of the following belong in which tropic level; catfish, algae, small aquatic plants, phytoplankton, dandelions, walleye, snails, zebra musse, moose, zooplankton, grasshopper, squirrels, loon, cryfish, goby (fish), ducks, wolf, herring, field mouse, tuna, snake, cougar, ...
*March 29, 2010*

**general science**

A compound containing 3 atom of carbon and 8 atoms of hydrogen is combined in a reaction wih oxygen molecules. The two end products of this equation are carbon dioxide (CO2)and water. What element should you look at first in balancing this equation?
*March 28, 2010*

**Calculus II**

i need help with long divison
*March 24, 2010*

**5th grade**

ineed help with long divison
*March 23, 2010*

**algebra**

15,000
*March 19, 2010*

**Communication Language Studies**

Thanks! This makes sense.
*March 13, 2010*

**Communication Language Studies**

Most modern style manuals endorse the elimination of sexist language. Would the reduction of sexist language influence the thoughts or attitudes of individuals who comply with these standards? Why or why not?
*March 13, 2010*

**his 135**

I want to thank you Ms. Sue for the link above. It helped me a ton with figuring out what counterculture is. I had searched so many different key words only to come up short until I found this site. Thank you again!
*March 11, 2010*

**2nd grade**

How do you find the perimeter of a letter? for ex. the letter U
*March 9, 2010*

**chemistry**

If 3.50g of Na3Po4 and 6.40g of Ba(NO3)2 are added together how many grams of Ba3(PO4)2 will be produce? which reactant is the limiting reactant?
*March 8, 2010*

**Chemistry-Equations**

23.9 g its not that hard buddy
*March 5, 2010*

**math**

For my class you have to choose from several different scenarios, make up your own equations from the scenario, and then solve and graph them in excel. I have chosen the following scenario: Evaluate whether a prepaid or monthly cell phone plan is most effective for a customer...
*March 4, 2010*

**social studies**

Describe how the strong united states action taken in grenada was an attempt to redress an earlier American policy failure in cuba.Be sure to include relevant historical details?
*March 4, 2010*

**math**

solve useing the addaditon and multiplication 6-6x > 3-5x x>?
*March 3, 2010*

**math**

For my class you have to choose from several different scenarios, make up your own equations from the scenario, and then solve and graph them in excel. I have chosen the following scenario: Evaluate whether a prepaid or monthly cell phone plan is most effective for a customer...
*March 2, 2010*

**Lee**

For my class you have to choose from several different scenarios, make up your own equations from the scenario, and then solve and graph them in excel. I have chosen the following scenario: Evaluate whether a prepaid or monthly cell phone plan is most effective for a customer ...
*March 2, 2010*

**Linear Equations**

Y-X=4...(EQN 1) X-Y=3...(EQN 2) MAKING X THE SUBJECT IN EQN 2 X=3+Y SUBSTITUTING IN EQN 1 Y-(3+Y)=4 Y-3-Y=4 THE Y GETS ELIMINATED,HENCE THERE IS NO SOLUTION
*March 2, 2010*

**Calculus**

Find the derivative of the function: y=(3x^2+5) ln(x+6)
*March 1, 2010*

**write a check**

How to write a check for 4,024.29
*February 26, 2010*

**Chemistry Lab**

5.00 mL of .00500 M ferric nitrate is added to 5.00 mL of nitric acid and 10.0 mL of .00250 M thiocyanate solution. Calculate the intial Fe^3+ concentration before reaction. So how do I go about doing this?
*February 22, 2010*

**physics**

ok so when i did this, my answer for the magnitude came out to be 21.4 N and i got this some solving for the x and y components, and then i summed it up, and plugged in those values in the formula to find the magnitude of the sum. i got 21.4 but it says that i have it wrong. ...
*February 21, 2010*

**physics**

A force of 15 N is directed at an angle of 55° above the x-axis. A second force of 15 N is directed at an angle of 55° below the x-axis. What is the vector sum of these two forces? How would I go about finding the magnitude or vector sum of those two forces, and also ...
*February 21, 2010*

**Math**

So I don't get what the final answer is suppose to be... cuz I have to use point-plotting which I know how to do.
*February 19, 2010*

**Math**

How would you set this to y=? x-4y=5
*February 19, 2010*

**chemistry**

What is the mass of 0.425 moles of CaCl2? The molar mass of CaCl2 is 110.98 g/mol.
*February 19, 2010*

**chemistry**

How many moles are in 52.3 grams of CaSO4?
*February 19, 2010*

**Math, Grade 6**

My best friend needs help multiplying and dividing mixed numbers. I try to help them but it's hard cause shes stubborn. Any help I could give her?
*February 18, 2010*

**Maath**

How do you get these answers?
*February 18, 2010*

**Maath**

How do you write these two equations in slope intercept form? x-5y-10=0 5x+2y+10=0
*February 18, 2010*

**calculus**

Consider the solid obtained by rotating the region bounded by the given curves about the line x = 4. x= 4y^2 , x = 4 Find the volume V of this solid.
*February 17, 2010*

**Math/Algebra**

An A frame cabin has a triangler front with a base of 30ft and a height of 20ft. If the front is to be glass that costs $3 per square foot, what will the glass cost?
*February 16, 2010*

**Math for teaching. **

if 12 + x= 17, then x equals?
*February 15, 2010*

**Trig**

How do you express these problems as single trigonometric function values or as single numbers, using identities? 1. cos^2pi/8-1/2 2. tan34degrees/2(1-tan^2 34degrees) 3. 1/8sin29.5degreescos29.5degrees
*February 14, 2010*

**History**

I am in need of some help. I am not looking for the answer, just the direction I need to take. I've search my text book, but I cannot find any specific examples. Here is the question... What where some of the repercussions of Western exoansion after 1800?
*February 14, 2010*

**accounting**

the spare parts inventory account shows an unadjusted balance of 450. a physical count shows a blance on hand of 100. What do i have to do! im stuck!
*February 8, 2010*

**accounting**

the spare parts inventory account shows an unadjusted balance of 450. a physical count shows a blance on hand of 100
*February 8, 2010*

**Economics**

68%
*February 7, 2010*

Pages: <<Prev | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | **19** | 20 | 21 | 22 | 23 | 24 | 25 | Next>>