Laura

Iron reacts with sulfur to form a sulfide. If 2.561 g of iron reacts with 2.206 g of sulfur, what is the simplest formula of the sulfide? I don't know how to go about doing this problem. The answer is Fe2S3. Calculate the moles of iron in 2.561 grams of i...

20 years ago

A 2.612 g sample of a copper oxide, when heated in a stream of H2 gas, yields .592 g H20. What is the formula of the copper oxide? Again, I need help with this problem. Answer = CuO Ok nvm.. i got it. Set up the reaction as best we can surmise at the mome...

20 years ago

Hydrogen reacts w/ sodium to produce solid sodium hydride, NaH. A reaction mixture contains 6.75 g Na and 3.03 g H2. A. Which reactant is limiting? B. What is the theoretical yield of NaH from the above reaction mixture? C. What is the percent yield if 4...

20 years ago

How many moles of ions are there in .2 mol of lithium oxide? I need help again... Strictly speaking, Li2O is a solid and in that form it is not ionized. To get ions from it, you must dissolve it in water, and that causes it to decompose. Despite all that,...

20 years ago

You are to state what will increase and/or decrease in each of the transactions described below. 1) Mythical Services sold $500 of legal services on account. 2) Mythical collected the $500 from transaction nmuber 1 above 3) Mythical purchased office furni...

19 years ago

Why do revenues increase capital while expenses decrease capital? Because cash is a form of capital.

19 years ago

1. What is it that the adjustment process actually accomplishes? 2. What would happen to financial statements if the adjustment process was skipped? 3. How does the matching principle relate to the adjusting process?

19 years ago

On January 1, 2006, Mythical purchased some office equipment, paying $24,000. It is anticipated that the equipment will last 4 years and have a zero salvage value at the end of the four years. 1) Make the adjusting entry for depreciation at the end of yea...

19 years ago

How do you measure body volume? I need two ways. Thanks. Displacement is a common method. Fill a barrel full of water, then dunk the body (letting the water overflow), remove the body, and then measure the water level. Another method is to use air displac...

19 years ago

Problem 16-7. Pro forma income statement At the end of last year, Roberts Inc. reported the following income statement (in millions of dollars): Sales 3000 Operating costs excluding depreciation 2450 EBITDA 550 Depreciation 250 EBIT 300 Interest 125 EBT 1...

19 years ago

Would heating a tertiary alcohol change its structure and reaction with hydrochloric acid and potassium permanganate (KMnO4)? Tertiary alcohols resist oxidation, but can be oxidised by reagents such as 2,3-dichloro-5,6-dicyano-1,4-benzoquinone.

19 years ago

2)How many arrangements of the integers 1,2,3,...,n are there such that each integer differs by one (except for the first integer) from some integer to the left of it? Let's construct the arrangement. First consider 1, it can only have two placed next to...

19 years ago

What is 12 base 5? Would you just divide 12 by five and get 2 (but then what about the remainder) If you are refering to logs, 12 base 5 means log of 12 to the base 5. Call it x. 5^x = 12. x = log 12/log 5 (any log base can be used) x = 1.07918/0.69897 =...

18 years ago

25.0 cm cubed of Barium hydroxide,Ba(OH)2 solution neautralises 35.0 cm cubed of aqueous hydrochloric acid of concentration 0.09 mol dm-3. what is the concentration of the barium hydroxide? I like the titration equation Normalitybase*volumebase*concentrat...

18 years ago

State the four sections of a buisness cycle. state endogenous and exogenous conditions that affect the buisness cycle. Explain the reasons that inventories of producers are an impoertant in the growth-and decline-in a buisness cycle. Take a shot. Be sure...

18 years ago

If travelling waves move at 140 m/s on this string, what musical note is this string currently producing? In hertz The fundamental is 1/2 wavelength. So you have to know string length. wavelength*fundamentalfreq= wave speed.

18 years ago

Two objects, each with a charge of +3·10-6 C, are located 7 m apart. What is the electric force between them? Use coulombs equation: I will be happy to critique your work.

18 years ago

This doesn't seem like it should be that hard, but it is. List the 2 parts of a controlled experiment. _____ variable-- the factor that is not being tested (know expected outcome) _____ variable -- the factor that is being tested I feel like the answers s...

18 years ago

proofread- thanks! revelado a Dali en un sueno. Esto tambien acentua que no era los clavos que sostenian a Cristo en la cruz, pero su amor para la gente.

18 years ago

proofread- thanks! revelado a Dali en un sueno. Esto tambien acentua que no era los clavos que sostenian a Cristo en la cruz, pero su amor para la gente. En esta picture, la brazo de Cristo forma un triangulo mientras su cabeza está en la forma de un círc...

18 years ago

can someone please prove the difference rule to me? d/dx[f(x)-g(x)]=d/dx f(x)- d/dx g(x) plz help

18 years ago

can someone please prove the difference rule to me? d/dx[f(x)-g(x)]=d/dx f(x)- d/dx g(x) Go to the definition of a derivative: Lim x>0 of {f(x+deltax)-f(x)]/deltaX

18 years ago

Is this a strong thesis statement: Ms Gilman captures the struggle of the narrator as she provides evidence of the journey of the narrator’s changing mental state that is not just about a woman losing her sanity but of a woman who is suffering from a feel...

18 years ago

Have I balanced this right Al2Se3 + 6 H2O ==> 2 Al(OH)3 + 3 H2Se Let me give you a hint on these, write water as HOH, and it balances faster. Treat the OH as a group. Al2Se3 + 6 H(OH) ==> 2 Al(OH)3 + 3 H2Se Yes, it is balanced: see the six H on each side,...

18 years ago

If I have the temperature, the pressure and the mass how do I calculate the volume? Thanks Of a gas? PV=nRT The ideal gas law. calculate n from the mass and mol mass.

18 years ago

If the percentage of arsenic is 76% and the percentage of oxygen is 24% how do I calculate the chemical composition of the oxide of the arsenic? Thanks Pretend you have 100 grams of the stuff. Then 76 grams of As is how many moles? 76/74.9 =1.01 moles. Ho...

18 years ago

How do I calculate the mas of oxygen that combines with one mol of arsenic atoms to form the oxide of arsenic? How would I use this answer to obtain the empirical formula of the oxide? The formula for the most common form of arsenic oxids is As2O3. Write...

18 years ago

Im having trouble identifying forces. I have pictures of things like a man parachuting and a girl skating. I have to draw arrows to show the direction of the force and label to say the forces acting on each object. Parachuter has force of gravity pushing...

18 years ago

I have to find some articles on the Positive Externality(characteristics)of automobiles anad negative externality (Characteristics ) of automobiles I have found several negatives I am having a hard time finding any positive ones any suggestions While some...

18 years ago

Dietary assesment can provide useful information about which? A. a child's eating pattern (or) B. physical symptoms of nutitional deficiencies. Isn't it B? Yes, it's B. =)

18 years ago

Screening tests are often provided for young children for the purpose of: 1. identifying children who require professional evaluation. (or) 2. diagnosing a specific health impairment. Would the correct answer be 1, because screening tests don't diagnose a...

18 years ago

The path of a softball is given by the equation y=0.08x^2 + x + 4. The coordinates x and y are measured in feet, with x=0 corresponding to the position from which the ball was thrown. A) Use a graphing utility to graph the trajectory of the softball. B) M...

18 years ago

Is there a way to delete the record of a site you have been to: ex. if you went to Google, but then every single time you type in w w w . g it comes up with "google" right below, is there a way to stop that from happening?? You might want to try clearing...

18 years ago

Find the value of x for the area of the triangle that is 12cm sq. The base is 2x+2 and the height is x. Solve this equation: (1/2)(base)(height) = (x+1)x = 12 x^2 + x -12 = 0 That equation is factorable. Take the positive root. (One of them will be negati...

18 years ago

Find a(subscript 6) of an arithmetic sequ3nce if a(subscript 4)=5 and a(subscript 9)=20. The value of an increases 15/5 = 3 per term. Therefore a4 = 5 a5 = 8 a6 = 11 a7 = 14 a8 = 17 19 = 20 The last term in my previous post should have been labeled a9, no...

18 years ago

Find the sum of the first 50 terms of the sequence 2,4,6,8........ That is twice the sum of 1+2+3+...+50 For 1+2+...+N, the sum is N(N+1)/2 The sum is therefore 2*[50*51)/2) = 2550

18 years ago

Find d of an arithmetic sequence if a(subscript 4)=14 and a (subscript 11)=35 I assume d is the difference between successive terms, since you have said this is an 'arithmetic' sequence. Increasing the subscript by 5 increases the value of the term by 35....

18 years ago

Find the sum of 20 (summation notation symbol)k=1 then (3k-5) If you mean the sum of the first 20 terms, beginning with k=1, of ak = 3k - 5, that would be -20 x 5 = -100 PLUS the sum of the first 20 terms of ak = 3k The latter is 3 times the sum of 1+2+3+...

18 years ago

A girl has a body weight of 400n. What upthrust does she need to float?

18 years ago

What is a word for a cause of fire? I don't want examples but I would like a specific word for a causer of fire that could be used no matter what caused it. For example if someone died from murder, the causer of the death would be called a killer or a mur...

18 years ago

I am nearly done with my Red Badge of Courage Analysis, but I would prefer one more thought from someone other than me. If you have read the work, could you tell me what you think Crane felt about soldiers as individuals? I think he thought they were igno...

18 years ago

I wrote a thesis statement on "The Red Badge of Courage" and if someone could revise it, it would be pretty helpful. "Crane believes war is neither glorious nor honorable, but rather a fiery blaze able to only destroy, caused by groups unaware of the flam...

18 years ago

My question says: How is naturalism used in "The Red Badge of Courage" and come up with three quotes. First of all, can someone explain what naturalism really is?

18 years ago

This is for grade 11 math, under quadratic extrema and roots. Fred and Ginger have 24 m of fencing to enclose a garden at the back of their house. From the pictures you can see (shows a large rectangle for the house, with a smaller one attached on the bot...

17 years ago

I need to verify one of my answers quickly...the problem is: The mean annual salary for classroom teachers is $43,658. Assume a standard deviation of $8000. 1) Determine the sampling distribution of the sample mean for a sample of size 256. Interpret your...

17 years ago

Subjects Art Business Computers English Foreign Languages Health Home Economics Mathematics Music Physical Education Science Social Studies Features Contribute Download Experts Forum Job Openings Homework Tips Libraries.Jiskha Link to Us Reference School...

17 years ago

i really need help on this question!! I need to solve it using a system of two equations, the question says that an automobile radiator contains 16L of antifreeze and water. this mixture is 30%antifreeze. how much of this mixture should be drained and rep...

17 years ago

How did Mendel’s approach to answering scientific questions differ from that of his contemporaries? Mendel’s approach to answering scientific questions varied from his contemporaries because he chose to concentrate on only seven characteristics of inherit...

17 years ago

What is the chemical formula for rust, salt and air?

17 years ago

A woman once had a beautiful rubber tree, but when her sister saw her watering it, she laughed and asked why she was watering an artificial plant. So she stopped watering the plant, and in a few months it died. Explain, using at least five characteristics...

17 years ago

For each of the four major classes of organic compounds, identify the subunits. Describe the general process by which all of these subunits are joined together to form larger molecules.

17 years ago

when iron rusts in air, iron(III) oxide is produced. how many moles react with 2.4 iron in the rusting reaction? 4Fe(s) + 3O2(g) => 2Fe2O3(s)

17 years ago

How did U.S. foreign policy at the turn from the 19th to 20th century affect actions taken by the United States towards China?

17 years ago

Use the Gibbs-Helmholtz equation and the concept of equilibrium to calculate the approximate Celsius temperature for the boiling of bromine. Br2(l) <--> Br2(g)

17 years ago

Calculate the Ka of nitrous acid if a 0.200 mol/L solution at equilibrium at SATP has a percent ionization of 5.8%

17 years ago

Ascorbic acid is a weak organic acid also known as vitamin C. A student prepares a 0.20 mol/L aqueous solution of ascorbic acid and measures its pH as 2.40. Based on this evidence, what is the Ka of ascorbic acid?

17 years ago

A weak base that encompasses a concentration of 1.4 mol per litre has a percent ionization of 0.63%. Calculate the Kb of this weak base

17 years ago

2. What is the basic principle that can be used to simplify a polynomial? What is the relevance of the order of operations in simplifying a polynomial?

17 years ago

What is the difference between a bottle of water and a bottle of hydrgen and oxygen gas?

17 years ago

health care benefits covered by Medicare and Medicaid?

17 years ago

Determine whether the following are redox reactions. If a redox rxn., identify the oxidized reactant and the reduced reactant. a)N2 + 3H2-->2NH3 : YES, Oxidized=H, Reduced: N b)2H2O2-->2H2O + O2 : YES, Oxidized=H, Reduced: O c)2HBr + Ca(OH)2 -->CaBr2 + 2H...

17 years ago

The four possible unknown chemicals are: Cu(s), Ca(OH)2(s), KNO3(aq) and C6H12O6(aq). a) colorless solutions, high electrical conductivity, no change on litmus paper b)white crystals, no electrical conductivity, red to blue on litmus c) shiny brown wire,...

17 years ago

Describe how the range of a projectile varies with launch angle.

17 years ago

When first looking at a slide under the microscope, you should use: Here are my choices: A. low power and fine adjustment B. high power and fine adjustment C. low power and coarse adjustment D. high power and coarse adjustment

17 years ago

What organs of the human body are involved in the urinary system and what is the specific purpose of those organs? How does the urinary system interact with other systems within the body?

17 years ago

I need to graph using the slope and the y intercept this problem and I am not sure how to do it. x+3y=12 Can someone help me?

17 years ago

Describe what the graph of interval [-4,10] looks like. I am trying to check to see if I have done this right. Any help would be wonderful.

17 years ago

Describe how the human population growth issue has and will impact the ecosystem.

17 years ago

This is a 3 part question and it is confusing me quite a bit. Please Help! a) A real estate agent trying to sell you a home in a new developement tells you that two floor plans are available. use x for floor plan 1 and y for floor plan 2. in total there a...

17 years ago

Soybean meal is 12% protein; cornmeal is 6% protein. howmany pounds of each should be mixed together to get a 240 pound mixture that is 8% protein?

17 years ago

How can you determine if a polynomial is the difference of two squares? I think that if the polynomial is x^2-64 that this is a polynomial that is a difference of two squares because if you factor it out you would get (x+8)(x-8). If the 64 in my example w...

17 years ago

I am so lost, can anyone help me? I don't even understand what the teacher wants out of me with this problem. Suppose that a market research company finds that at a price of p = $20, they would sell x = 42 tiles each month. If they lower the price to p =...

17 years ago

If you have a 4 digit number and multiply it by 4, the product will be the number reversed. (abcd x 4= dcba) What is the number?

17 years ago

I am unsure of what formula to use for this problem can anyone help me? Lisa can shovel snow from her driveway in 60 minutes, Jim can do the same job in 55 minutes. How long will it take Lisa and Jim to shovel the driveway if they worked together?

17 years ago

how do i find the formula for this problem, i can't even find an example of it in my text book. A conservationalist wants to find out how many deer are in a preserve. The conservationalist tags 634 deer then releases them. Later, she comes back and catche...

17 years ago

What in the world does this mean? To estimate animal populations, biologists count the total number of animals in a small section of a habitat. The total population of animals is directly proportional to the size of the habitat (in acres) polled. a. Write...

17 years ago

Oedipus... What eyewitness to the murder of Laius still exists? Scene 2 P

17 years ago

What does 20 divided by 4 minus 5 plus 12 equal? I'm trying to understand the order of operation. I think the answer might be -12. Is this correct?

17 years ago

This is a question my teacher gave me and there are no parenthesis or whatever you might think it needs. It's 20 divided by 4 minus 5 plus 12. I think the answer is -12, but I'm not sure. PLEASE HELP!!!

17 years ago

How do you solve a problem that asks you to find the 500th term? A beach ball has six vertical sections colored white, orange, yellow, blue, red, and green. If you spin the ball so that 500 colors go by and the first color is white, what is the 500th colo...

17 years ago

How do you know if a quadratic equation will have one, two, or no solutions? How do you find a quadratic equation if you are only given the solution? Is it possible to have different quadratic equations with the same solution?

17 years ago

1. Total asset turnover indicates the firm's a)liquidity. b)debt position. c)ability to use its assets to generate sales. d)profitability. 2. Some analysts believe that the term structure of interest rates is determined by the behavior of various types of...

17 years ago

You have a plastic tray with cold water in it and then you have three cups holding it up and one cup has hot water in it. You put dye in the cold water on top of the hot water. Why does the dye move away from the hot water?

17 years ago

I am supposed to find the ticket sales of a concert using this formula: N(x)= -0.3x^2 + 6x + 15 X represtents the number of days since the concert was first announced. I need to find out when daily ticket sales will peak and how many tickets will be sold...

17 years ago

Can someone help me figure out what formula I am to use for this word problem? I am having a hard time. If the sides of a square are lengthened by 7cm the area of the square becomes 121cm^2. What is the length of a side of the orgional square?

17 years ago

A television has a diagonal of 10 inches and a width of 8 inches. what is it's height? i think the answer is nine inches, am I correct? If I am not how do I find the answer?

17 years ago

Word Problem: Jack mows the lawn in 4 hours, mary mows the lawn in 5 hours. how long will it take them if they mowed the lawn together? I have a hard time figuring out which formula to use to solve a problem in a word problem can anyone help and tell me h...

17 years ago

What does NaHco3 + HCl produce?

16 years ago

it says the knights banquet hall uses the equation 25n-c+1250=0 determine the cost for a hall rental the legions banguet hall usues the equation 30n+995-c=0 to determine the cost for thier hall rental express each equation in slope y-intercept form- c=mn+...

16 years ago

we are supposed to create an advertisement for a revolutionarynewspaper- around the constitutional convention time.. what products do you think they would sell at that time??? thank you!

16 years ago

Determine whether the system of inequalities is infeasible, has alternate optimal solutions, or is unbounded for the function f(x,y)=2x+y

16 years ago

The curve f(x)=-x^4+2x^2+x has a tangent at the point (1,2). Is this line tangent to the curve at another point and, if so where?

16 years ago

what is a predicate? My son's assignment is to circle the action verb and underline the predicate. I've tried to explain what a predicate is, but he still doesn't understand.

16 years ago

91.7g of HCL solution was added to the calorimeter and brought to a constant temp. Then 0.5278g of MgO was added and the Temp rose from 25.65C to 32.60C and held steady. Then 0.0185g of Mg was added and the temp again rose from 30.35C to 32.20C. Calculate...

16 years ago

Are Irish Americans considered a subordinate group in American History? I need to do a paper on a subordinate group and I was thinking of using Irish Americans.

16 years ago

What kind of materials block sound.

16 years ago

calculate the final concentration if 4.0 L of 1.5 M NaC1 and 2.0 L of 3.0 M NaC1 are mixed.

16 years ago

Search for it on the Barnes and Noble website... It has links to readers guides and other stuff... i was actually looking for the same thing and your question came up on google. Hope this helps!

18 years ago

By the way, this was for my classmate, Jimmie who is also doing the same assignment. But if someone else could help as well, that would be great.

18 years ago

actually, i don't really get what's the question asking. Can you please explain?

17 years ago

A weak base that encompasses a concentration of 1.4 mol per litre has a percent ionization of 0.63%. Calculate the Kb of this weak base

17 years ago

well, water can be frezzed, and rubbing alcohol cant. Also, rubbing alcohol's density is greater than water. So the alcochol would be the solvent and water would be the solute.

17 years ago

to make things short yes it would be capitalized.

17 years ago

You can say el cocodrilo es un animal peligroso tiene unna boca grande y dientes filosos. So... the crocodile is a dangerous animal, it has a big mouth and sharp teeth

17 years ago

thanks

17 years ago

Now I am going to St. Peters Bascila, that is a wonderful church.

17 years ago

I think the answer is low power and fine adjustment. That's what I put on the test and I got it wrong. my second choice would be lower power and coarse adjustment, which is choice C. Is my second choice right?

17 years ago

Okay so the answer is choice C. Thank you for your help.

17 years ago

Mentoring, observation and interviews are three important strategies in developing student teachers. There is a free online study unit on The Open University's OpenLearn website on this. The unit, which gives a flavour of the Open University's flexible PG...

17 years ago

Have you thought of Rosa Parks? She was not a famous or educated person, just a lady trying to get home, but she sparked a huge movement in the south regarding segregation. She is one of my heroes!

17 years ago

What time frame is your class talking about when your question says "in these critical times"? today could be considered a critical time for civil rights and civil liberties, and do these activists need to be American? If not, then what about Nelson Mande...

17 years ago

I don't understand the equations I am having a lot of trouble.

17 years ago

thanks, problem solved!

17 years ago

Thank You!!!

17 years ago

Thank you to everyone who responded this helps a lot!

17 years ago

Just google roger williams I found several sites that gave good info.

17 years ago

oooooooooooh ok thank you.

17 years ago

if you are talking about a vowel (a,e,i,o or u), a line over a vowel means the vowel is a long sounding vowel.

17 years ago

876-235= the smaller number.

17 years ago

So I should find the vertex?

17 years ago

Thank you!

17 years ago

THANK YOU!

16 years ago

oh and this is grade nine math

16 years ago

Appendix

16 years ago

Thanks Ms.Sue and Writeacher...website was a big help. My son now has a better understanding subject/predicate! very happy :)

16 years ago

1. Is wrong. Its... Quiero ir a Colorado para Navidad 2. Has comprado algo para la cena ? 3. Este celular es solo para emergencias. 4. Ella siempre viaja en autobús.

16 years ago

1. soy 2.somos 3.son 4.estoy 5.fue 6.es , era ?? 7.es 8.esta

16 years ago

Thank you, for your feedback. I just read another part of my economic book and B is definitely the answer.

16 years ago

2x+28<6x -2x -2x 28<4x - - 4 4 7<x =x>7

16 years ago

thank you. i understand now.

16 years ago

yes, I got this answer, as well THANKS

16 years ago

thank you for your answer, but this example problem is not the same as mine. the example problem is (sin (x))^2, in other words the whole quantity is squared. mine is just sin of x^2. any suggestions here?

16 years ago

thnx

16 years ago

Its the syllable with the loudest stress. The accent is usually on the syllable before the suffixes such as ion, ical, and ity.

16 years ago

Yes, you are to prove that 3 divides [(a)(2a^2+7)] probably by using the greatest common divisor.

16 years ago

the exact problem states: for an arbitrary integer a, verify that 3/a(2a^2+7). This is a problem out of a number theory book included in the section involving gcd.

16 years ago

thanks, I'll try these methods

16 years ago

How did you get part B?!

16 years ago

thnx

16 years ago

2009 UoP student still stuck on this question...Thanks for all the help. Most of you have graduated or are pretty close by now, but thanks again!

16 years ago

so it will be 1 as the last electron comes on that one correct? umm and i don't see the link you posted :S

16 years ago

thank you, count iblis. you have been a tremendous help with homework.

16 years ago

at x=4, y=0. if y=0, there is no y vlaue to "slope" the line, so the line will form vertically at x=4.

16 years ago

you need to find the permutation when order matters. look up the formula if you don't know it off hand. this should help you start...

16 years ago

According to MedicineNet(2008), “Mental illness is any disease or condition affecting the brain that influences the way a person thinks, feels, behaves and/or relates to others and to his or her surroundings. Although the symptoms of mental illness can ra...

16 years ago

The American Experience: California Edition (Prentice Hall Literature Timeless Voices, Timeless Themes This is the textbook we are using and it says, " Satire is writing in which an author uses humor to ridicule or criticize certain individuals, instituti...

16 years ago

There was a fee tips in there but they are looking for the ones that are not in there. That is what I am having a hard time finding,

16 years ago

Thank you Ms. Sue. I have found the answer's to this question but I do appreciate how quickly you got back to me

16 years ago

perpendicular lines have negative reciprocal slopes such as 3 and -1/3 so put them into y=mx+b form and see.

15 years ago

chris - do your own homework. at least try it first, show some work or where youre stuck on.

15 years ago

assuming it drops from rest you know: vo=0 t=2.8 a=9.8 (gravity assuming down is +) v=? use the equation v=vot+at^2 then you want to find height. x= vot+.5at^2

15 years ago

time and space grown is also a factor

15 years ago

to solve system of equations you solve for one variable and plug into the next in this case you have an equation for I so plug into the next equation and solve (23/w) + w = 32

15 years ago

Well, I was thinking maybe it can be a representation of the 2. Dorothy could be referring to the fact that when you look at who is really an illegal or legal immigrant, you can make a quick judgment. We assume that since people look a certain way and jus...

15 years ago

I asked the professor, he said I didn't need it to solve the problem.

15 years ago

What was new and a first for UK campaigning this year?

15 years ago

It says that answer is wrong :( the probability to each outcome is 1/504 I tried 5/504 for my question and it came out wrong

15 years ago

4391 because here it is worth 4000 9499 is only worth 400 2240 is only worth 40 1944 is only worth 44

15 years ago

-4/13y-7=6 -4/13y=6+7 -4/13y=13 -4/13=13y -4/(13*13)=y -4/169=y p+3/10=4 p+3/10=40/10 p=40/10-3/10 p=37/10 p=3.7 you can solve the other two in the same method, hope this helps!

15 years ago

[(3+1)*6]-3=17 [4*6]-3=17 20-3=17 17=17

15 years ago

26/2=13=number of birds paula saw 13=6+x 13-6=x 7=x so paula saw 7 blue birds

15 years ago

you need to add or subtract the rxns with the KJ given to create the rxn that you are trying to solve for. H2SO3(l)=>H2O(l) +SO2(g) DH=62KJ see that H2SO3 is common to the rxns, so you add this (that is, ass 62KJ) so you have H2SO3(l)=>H2O(l) +SO2(g) as y...

14 years ago

I need a formula to use.

14 years ago

5,844 bushels per acre

14 years ago

My topic is:Animal rights. I have to tell/show how I made my topic into chart, organized with at least 3 levels, at least 4subtopics. I gues it is describing the process.How can I create a graphic organizer(chart) and present to the class on this topic. P...

14 years ago

but..how do i get the weight of water displaced? i don't get that part. because if i do 140- (.00273*9.8*5232.86) =0

14 years ago

Definitely B.

14 years ago

Sorry yes it is the first one The second would be that same way

14 years ago

Yep you were right. Thank you so much. I really appreciate it.

14 years ago

3p^2 + 4p^2 = 7p^2 7p^2/7=63/7 p^2=9 √p^2=√9 p=3

14 years ago

1. - 140 2. - 540 3. - 2500 4. - 3980 5. - 4550

14 years ago

if we want to be within 4% of the true proportion of female students at DeVry University when using a 95% confidence interval?

14 years ago

Thank you so much I really appreciate it!

14 years ago

Sheila your answer relates to Primitive Cubic Unit Cell, and the "third part" should read "third part is 16 * square root of 3," not "third part is 6 * square root of 3."

14 years ago

670 ^ 2x335 \ ^ 2x2x67 You'r answer would be 2 to the power of 2x 67= 670

14 years ago

Thank you

14 years ago

(5.0 g) / (90.03488 H2C2O4/mol) / 0.40m = 45.01744

14 years ago

m = 4.0/1200 = 300 T = 2*1.86 c/m*300 = 1116

14 years ago

Ok, I'm sorry. Not taking chemistry, but I'm taking a practice test, and I didn't know what to do. I want to be ready for next year. Thanks!

14 years ago

How far will the dog run?

14 years ago

Thanks so much! :)

14 years ago

I'm thinking personality test

14 years ago

Thanks I reread that part and it's d! I always over think my answers

14 years ago

A-A^+ D^2+ + C = No Reactions B^2+ + C = B C^2 A^+ + B = A + B^2+

14 years ago

i don't understand how i'm supposed to use the reduction potentials table to blance it

14 years ago

wow thank you very much, that site is very helpful and you've been very helpful! Thank you!

14 years ago

how are we supposed to add them together when there is no I in the first equation?

14 years ago

that is helpful, i just don't get how to get the graph right, mine went up, how do i get the numbers and plot the graph correct?

14 years ago

I just wanted to say thank you to Wendy also I was really having a problem with these Fallacies but you helped me really understand.The notes just confused me more. Thank you really!!!!!!!!

14 years ago

Ok, so first I want to say that it is ETHNICS, not ethics... but yes I am also having difficulty with this one, just like the rest of you, but the thing is that it is a research paper, where you have to research the topic... research... meaning, search fo...

14 years ago

4.444444444444

14 years ago

Decrease in pressure

14 years ago

57.42%

14 years ago

Thanks Ms. Sue

14 years ago

vf^2=2*9.8*520 vf=100.955 ??

14 years ago

ok sorry about that

13 years ago

Hi Sue, how can i research each of these question in on the internet, using the most efficent way. I learn diffrently and my deceptive reasoning is weak in this area. if i know the ansswer,i can learn where how it originated, thanks

13 years ago