Friday

February 24, 2017
Total # Posts: 1,183

**Chemistry**

Please help me with these questions: 1. Consider the equation:2Na+ 2H2O-->2NaOH +H2 -If 92.0g of sodium is reacted with 76.0g of water until the reaction goes to completion, which reactant will remain and in what quantity? A: I know that H20 is the reactant that is in ...

*January 27, 2011*

**Algebra**

If the ratio of onions to cilantro is 4:3 and I use 2/3 cup onion how much cilantro do I need?

*January 25, 2011*

**MATH**

SOLVE BY ELIMINATION METHOD 7r-8s+-20 8r+7s+74

*January 20, 2011*

**math**

help by solving substitution method 6x+5y=-12

*January 19, 2011*

**math**

sorry typed it wrong 5/4 x + 1/8 = 5/8 + x

*January 19, 2011*

**math**

need help 5/4x1/8x=5/8+x

*January 19, 2011*

**Math --- For Reniy**

My answer on the problem was paralle ???

*January 19, 2011*

**Hard math**

Solve by using the multiplication principle -2x> 1 over 9 I have tried this problem and can get no where with it can someone please help me????

*January 19, 2011*

**math**

Ok I understood that a little better. Thank you for your help.

*January 19, 2011*

**math**

I would have to say paralle the way I did them but I am not to good at theis type of problem.

*January 19, 2011*

**math**

Decide weather the pair of lines are paralle, perpendicular, or neither. 5x+4y=3 4x+5y=1 I am lost here

*January 19, 2011*

**Algebra**

Decide weather the pair of lines are paralle, perpendicular, or neither. 5x+4y=3 4x+5y=1 I am lost here

*January 19, 2011*

**Literature**

I have to do an essay on the poem "The mirror"- the essay must include what literary Techniques are used to characterize the mirror, the lady and the relationship between them -Can i gat help please

*January 19, 2011*

**calculus**

what is the vertical asymptote of f(x)=x^3+2/x+5?

*January 18, 2011*

**math**

is the answer 3

*January 12, 2011*

**math**

im only 4 years old

*January 12, 2011*

**math**

zoe has 5 apples she gives 2 to her friend dan how many apples does she have left

*January 12, 2011*

**unscramble spanish words**

seadyura

*January 2, 2011*

**AP Calculus**

Hi, we just learned this new section today, and I am very confused.... A particle is moving around the unit circle (the circle of radius 1 centered at the origin). At the point (.6, .8) the particle has horizontal velocity dx/dt = 3. what is its vertical velocity dy /dt at ...

*December 14, 2010*

**science**

what are the global winds that effect north america?

*December 13, 2010*

**Chemistry**

A 5.0-g Sample of KBr at 25.0 degrees celsius dissolves in 25.0 degrees celsius 25.0 mL of water also at 25.0 degrees celsius. The final equilibrium temperature of the resulting soltution is 18.1 degrees celsius. What is the enthalpy of of solution in kilojoules per mole of KBr?

*December 2, 2010*

**5th grade math**

Jill, Try converting 6 1/8 and 1 7/8 to fractions. It will be easier to ad and subtract a fraction. For instance 4 1/4 converted to a fraction would be 17/4.

*November 30, 2010*

**science-math**

the great red spot is about 40,000 km long and about 12,00 km wide. what is the approximate area in km2(the two is square) -thank you in advance

*November 26, 2010*

**science**

hypothesize- mercury is the closest planet to the sun, yet it does not reflect much of the sun's light. what can you say about its color? can you please explain the question and answer it -thanks in advance

*November 26, 2010*

**science**

i don't understand

*November 26, 2010*

**science**

HYPOTHESIZE-mercury is the closest planet to the sun , yet it doesn't reflect much of the suns light. what can you say about mercury's color? Please help.thanks in advance

*November 26, 2010*

**science**

1. describe the relationship between the mass of a planet and the number of satellites it has. 2. an observer on earth can watch venus go through phases much like earths moon does. expleain why this is so? i looked all through my text book for the answer but coundn't find ...

*November 26, 2010*

**Writeacher**

Sorry :-(

*November 18, 2010*

**To Everyone on this Site**

Sorry, I ended up getting everything squished up there. It is clarified here. Give details of what traits you appreciate in yourself. This was our question of the day for class, and so I thought I would share it with all of you on here. First I’ll tell you what traits I ...

*November 18, 2010*

**chemistry**

Are you in chem 109?

*November 17, 2010*

**music**

what are some of the occasions where you would sing. Like "happy birthday". i can't think of anything, so could you please just toss in some ideas. Can be spiritual/cultural. Anything really.

*November 17, 2010*

**2nd grade**

seventy four

*November 8, 2010*

**social studies**

How much tea was imported to the colonies from Britain in 1773, in 1774, and in 1775?

*November 7, 2010*

**Physics- pls help**

A 5kg object starts at rest and has a force applied to it of 10 Newtons for 2 seconds, followed by 20 Newtons for 2 seconds, followed by 30 newtons for 2 seconds, all in the same direction. a. Determine its final velocity b. Sketch a graph of force vs time c. Create a ...

*November 1, 2010*

**Math**

Thanks Jen!

*October 30, 2010*

**Math**

An adult crocodile weighs up to 2200 lbs. If a young crocodile weighs 157 lbs, how many pounds might it be expected to gain in it's lifetime? How do you write a word sentence that describes the inequality situation?

*October 30, 2010*

**math**

Part 1: A long jumper leaves theground at an angle of 21.7 degrees to the horizontal and at a speed of 10.6 m/s. The acceleration of gravity is 9.8 m/s^2. How far does he jump? Answer in units of m. Part 2: What is the maximum height he reaches? Answer in units of m.

*October 25, 2010*

**College Chemistry**

Of KCl and NaCl, which has a higher lattice energy? What is lattice energy? Lost. Please help.

*October 24, 2010*

**College Chemistry**

elements in which group form -2 ions

*October 24, 2010*

**Physics**

A mechanic pushes a 3.6 multiplied by 103 kg car from rest to a speed of v, doing 4600 J of work in the process. During this time, the car moves 27.0 m. Neglecting friction between car and road, find each of the following. (a) the speed v m/s (b) the horizontal force exerted ...

*October 24, 2010*

**math**

Suppose you drop a ball from the top of a five-story building onto the sidewalk 70 feet below. a. What is the initial velocity of the ball? b.Determine a function for the height of the ball t seconds after it's released. c. How long will the ball be in the air before it ...

*October 13, 2010*

**physics (force table)**

In a four force case, could the ring ever be in equilibrium if all four pulleys were placed in quadrant one?

*October 10, 2010*

**Reading**

I need a sentence for keening.Please help me.

*October 9, 2010*

**Scarlet Letter - essay - Thesis help**

ok thanks:)it great

*October 9, 2010*

**Scarlet Letter - essay - Thesis help**

ok thanks New Thesis: Hawthorne stressed the sin by stretching the idea of sin and making the letter A seem as if it is a mystical character itself, and allowing the letter(sounds a little weird, should I put "sin" instead?) to be able to physically harm and hinder ...

*October 9, 2010*

**Scarlet Letter - essay - Thesis help**

So I am writing about how I agree with this one critic that Hawthorne over used symbolism in the book the Scarlet Letter. My thesis: He stressed the sin by stretching the idea and making it seem like it is a mystical character itself, and allowing it to be able to physically ...

*October 9, 2010*

**Physics**

10 west

*October 6, 2010*

**11th grade Algebra**

A number is multiplied by -3 and then this product is decreased by 7. The result is 4 less than twice the opposite of the number. what is the number?

*October 3, 2010*

**Referents**

Give referents for the following: 1cm square = area of fingernail 1 inch square = ? could it be an area of a dice 1 metre square = ? could it be a picture frame? I don't know what referents to use for those two.

*September 30, 2010*

**Science**

Imagine that a group of factories and power plants lies 200 kilometers to the west of a forest where the trees are dying. Describe three steps in a process that could be causing the trees to die.

*September 18, 2010*

**science**

why are dust particles and other particles necessary for percipitation?

*September 16, 2010*

**CSN**

identifying three challenges that might arise when writing a paper.

*September 15, 2010*

**European History**

Can someone please describe the geography of Europe to me or give me a place that I can read on it. I need to answer a question that asks what the disadvantages of Europe's geography are. Thanks

*September 13, 2010*

**drama**

Any ideas for a funny parody fairytale - good still winning over evil? I also need to make a role play out of this, so any ideas to do with plays are greatly appreciated.

*September 13, 2010*

**english**

thanks

*September 10, 2010*

**english**

It's a part of an assignment i'm doing, is a shower a part of technology? Could you also give me examples of technology we use in everyday life?

*September 10, 2010*

**business mathematics**

What are the financial costs to a business owner who receives a bad check?

*September 9, 2010*

**Maths**

( 22 ears ) ( 1000 / acre ) ( 700 kernels / ear ) ( 1 bushel / 90,000 kernels ) = 170 bushels / acre

*September 5, 2010*

**algebra2**

what do you call it when someone pays back a loan quickly??

*August 29, 2010*

**Spanish**

State whether the article is used or omitted and give examples: 1. with no existe and an unmodified noun. 2. with haber in the negative or interrogative 3. to say "a so-called" 4. With convertirse and a modified profession 5. with millon 6. with otro

*August 29, 2010*

**AP Spanish**

Write the definitie article (if necessary). Use parenthses if the article is optional. 1. Aprendo _____ japones. 2. _____ Africa es grande. 3. Esta en _______ carcel. 4. Que es _____ quimica? 5. Come ____ almuerzo.

*August 29, 2010*

**Chemistry**

The explanation is poor try putting up the answer ! So people can see the way to proably do it!

*August 27, 2010*

**math**

Identify the property of multiplication of whole numbers that is illustrated in the following. 3 * 1 = 3

*August 18, 2010*

**Statistics**

15/19 = 0.79

*August 2, 2010*

**teachers????**

Ok thank you for the info. Yes I see the response now. Thanks

*July 31, 2010*

**teachers????**

what time do you quit helping on line?? I posted a question???

*July 31, 2010*

**teachers????**

I was wondering the same thing???? I got online last night about the same time and never got anyone to answer????

*July 31, 2010*

**xacc 280**

At October 31, Nathan Company made an accrued expense adjusting entry of $1,400 for salaries. Prepare the reversing entry on November 1, and indicate the balances in Salaries Payable and Salaries Expense after posting the reversing entry. can someone tell me if this is the ...

*July 31, 2010*

**XACC 280**

At October 31, Nathan Company made an accrued expense adjusting entry of $1,400for salaries. Prepare the reversing entry on November 1, and indicate the balances in Salaries Payable and Salaries Expense after posting the reversing entry. Would this answer be right??? Nov. 1 ...

*July 30, 2010*

**xacc 280**

At October 31, Nathan Company made an accrued expense adjusting entry of $1,400for salaries. Prepare the reversing entry on November 1, and indicate the balances in Salaries Payable and Salaries Expense after posting the reversing entry. Would this answer be right??? Nov. 1 ...

*July 30, 2010*

**cjs 200**

Thank you

*July 28, 2010*

**cjs 200**

What are the steps leading to a trial?? Can someone help me??

*July 28, 2010*

**geometry**

A triangle is formed where line segment AC and line segment BC have the same length. If the measure of angle ACB = 81 degrees, find the measures of angles x and y so that the top horizontal line will be parallel to the bottom horizontal line.

*July 28, 2010*

**xacc 280**

I have and didn't find anything. I am not real good on the computer much so learning two things at once can get to someone. SMILES I must go on and keep trying though.

*July 27, 2010*

**xacc 280**

Thank you that helped in many ways. I have been taking this accounting class for about 3 weeks now and I feel like I am getting no where.

*July 27, 2010*

**xacc 280**

What are reversing entries and why are they required?

*July 27, 2010*

**AED/204**

I need to create a multiculture lesson plan, I was thinking that I would try and do one during the christmas season with students that celebrate christmas and those that don't also having a students of different ethnic background and the different ways that they celebrate

*July 24, 2010*

**math**

collect the like terms x-5x

*July 19, 2010*

**algebra**

Thank you so so much for your help.

*July 19, 2010*

**photography**

products in a grocery store/ no standard

*July 8, 2010*

**photography**

how often do new pictures need to be takenof each model

*July 8, 2010*

**Math**

{lease help :) A contractor is considering a sale that promises a profit of $20,000 with a probability of .7 or a loss due to bad weather, strikes and such of $3000 with a probability of .3, what is the expected profit?

*June 21, 2010*

**Economic Help please**

1)What happen to the net public debt if the federal government operates next year with a: 1) Budget deficit? 2) balanced budget? 3) budget surplus? 2) A bank has $120 million in total assets, which are composed of legal reserves, loans, and securities. Its only liabilities are...

*June 15, 2010*

**health**

What external pressures have moved mainstream medicine to accept alternative therapies? Have any alternative therapies been proven to work as well as standard treatments? If so, name the therapies.

*June 9, 2010*

**Math**

Find an equation in slope-intercept form if possible Through (-8,1)with undefined slope.

*June 4, 2010*

**Math**

Use the echelon method to solve the system: x + 3y + 4z = 14 2x – 3y +2z = 10 3x – 9y + z = 9

*June 4, 2010*

**Math**

Find the equation of a horizontal line going through (-5, -19)

*June 4, 2010*

**College algebra 116**

Real world problem You are hosting a party at a restaurant. The restaurant charges $150 to reserve the room plus $25 person for food and drink. Write a linear equation representing your total bill based on the numbe of people at your party. If you graph this line, what is its ...

*June 1, 2010*

**Math**

Thomas said that 30% of his earning was spend for food. How much money does he spend in one year for food?

*May 31, 2010*

**math/trigonometry**

solve this equation by completing the square. x^2+4x-21=0

*May 23, 2010*

**psychology 230**

wat influence does culture have on personality?

*May 21, 2010*

**math**

a vending machine takes only nickels and dimes. there five times as many dims as nickels in the machine. the face value of the coins is $4.40. how many of each are there?

*May 20, 2010*

**physics 6a**

A potential difference of 4.75 kV is established between parallel plates in airf the air becomes ionized (and hence electrically conducting) when the electric field exceeds 3.00×106 V/m, what is the minimum separation the plates can have without ionizing the air? d=...

*May 20, 2010*

**science**

If 75grams of KNO3 are dissolved in 100 grams of H2O at 45 degrees Celsius, what level of saturation is in the soultion.

*May 19, 2010*

**physicsa 6a**

sorry again my computer..2.4m

*May 18, 2010*

**physicsa 6a**

thnak you! Can you please help me with this one as well? Its the same problem: 2.40 at an angle of 45.0 downward from the horizontal?

*May 18, 2010*

**physicsa 6a**

I am so sorry my computer didn't transfer it 28nC 4.00*10^4N/C .550m to the right

*May 18, 2010*

**physicsa 6a**

A charge of 28.0 is placed in a uniform electric field that is directed vertically upward and that has a magnitude of 4.00×104 . What work is done by the electric force when the charge moves

*May 18, 2010*

**Chemistry**

Hello, I have a question about something we learned in chemistry today. We've been going over Ka/Kb table values, and using them to determine if a solution is acidic, basic or neutral. One of the compounds (in aqueous solution) are NH4OCl (aq), which is supposedly basic. ...

*May 18, 2010*

**Algebra/trigonometry**

The expression cos4x cos3x+ sin4x sin3x is equilvalent to?

*May 18, 2010*