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April 18, 2014

Homework Help: 11th Grade

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11th grade chemistry
how many grams are in 2.7 mol of table salt,NaCl (molar mass of NaCl=58.44g/mol)
Saturday, April 17, 2010 at 4:09pm

Physics 11th Grade
M g = E Q Solve for the field magnitude E. You will need the value of g, which I am sure you already know. The direction of the E-field is down, so that an upward force is applied to a negative charge.
Friday, April 16, 2010 at 7:20am

11th grade chemistry
what is the concentration in parts per million of a water sample that contains 4g of Hg in 200g of water?
Tuesday, April 13, 2010 at 9:59pm

11th grade Algebra 2
first you would have to find out how to cut 18 inches into 10 equal slices then multiply that by 3 I think
Monday, April 12, 2010 at 9:50pm

11th grade Algebra 2
Marciella has a bag that contains 35 nickels and quarters. The total value of these coins is less than $2.50. What is the maximum number of quarters that meets these conditions?
Wednesday, April 7, 2010 at 9:20pm

11th grade
ALACRITY,ALCHEMY,ECCENTRIC,EFFICACY, INSURGENCY,INTEGRITY,PENITENT,PENTECOSTA​L, RESOLUTE,RESONATE. i need analogies for these words. any help??
Wednesday, March 31, 2010 at 11:52am

11th grade
verify the identity sin(4u)=2sin(2u)cos(2u)
Thursday, March 25, 2010 at 2:26pm

11th grade
A wire 28 cm long is parallel to a 0.36 T uniform magnetic field. The current through the wire is 4.5 A. What force acts on the wire? What equation do you use?
Tuesday, March 23, 2010 at 9:17pm

11th grade History?
Also, please put the subject in the "School Subject" to get better/faster responses.
Monday, March 22, 2010 at 12:37pm

11th grade math
Please put the subject in the subject blank. x^2 + y^2 + 2x + 4y = -2 You need another equation with x and y to solve for their values. (I'm assuming that is what you want to do.)
Friday, March 19, 2010 at 2:38pm

11th grade
1.44x 10^25 atoms c X 1 mol C / 6.02 x 10^23 atoms C = Type in calc. The atoms cancel out and you have moles =).
Friday, March 12, 2010 at 1:04am

11th grade
convert into moles 1.44*10^25 atoms C = ? moles C
Friday, March 12, 2010 at 12:59am

11th grade math
I don't know about "even function," but to be factored, k = -1. 3x^2 - x - 4 = (3x - 4)(x + 1) I hope this helps.
Thursday, March 4, 2010 at 11:17am

11th grade economics
Why is it that the reward for capital is interest? I don't get how the business is rewarded interest, isn't it the banks?
Monday, February 15, 2010 at 4:00am

11th grade
Why is square root of x squared = absolute x? Is it because absolute x = -x and x?
Monday, February 15, 2010 at 3:56am

Physics 11th grade
Power is the rate of doing work. The work associated with taking an average person to the top is M g H = 70*9.8*185 = ___ Joules. Multiply that by the number of people carried per SECOND. The answer will be in Watts.
Saturday, February 13, 2010 at 7:11pm

11th grade Physics
Do you mean 6.0*10^4 J of work? If so, please write it that way. Divide the work by the distance in meters for the retarding force, in newtons. That will be what is needed to maintain constant speed.
Saturday, February 13, 2010 at 3:34pm

11th grade
(a) Mass * g * (elevation gain) (b) Answer (a) + friction work. (friction work = 240 m * M g cos17.5)
Saturday, February 13, 2010 at 3:31pm

11th grade Physics
A car does 6.0 104 J of work in traveling 2.6 km at constant speed. What was the average retarding force (from all sources) acting on the car?
Saturday, February 13, 2010 at 3:31pm

11th grade
Draw a straight horizonal line that passes through y = -2 on the (vertical) y axis. It should extend over the full width of the graph.
Thursday, February 11, 2010 at 2:04pm

11th grade Physics
the Earth (mass = 5.98 × 1024 kg) moving with an orbital speed equal to 2.98 × 104 m/s.
Monday, February 8, 2010 at 10:48pm

Stoichiometry, not "11th grade"
Assistance needed. Please type your subject in the School Subject box. Any other words are likely to delay responses from a teacher who knows that subject well.
Monday, February 8, 2010 at 9:00pm

11th grade
What do you call a female bug that floats? it has to do with algebra. It shows you solutions and graphs. the graphs have letters in front of them so you can try and figure out what the answer is.
Wednesday, February 3, 2010 at 1:02pm

11th grade math
SO would I set both (1444-152x+4x^2)x and 1444x -152x^2 +4x^3 equal to 3858.1875 to find part c?
Thursday, January 21, 2010 at 6:13pm

11th grade
log e is a constant the derivative of any constant is 0 Are you sure you typed the question correctly?
Tuesday, January 19, 2010 at 11:52am

11th grade
log e is a constant the derivative of any constant is 0 Are you sure you typed the question correctly?
Tuesday, January 19, 2010 at 11:08am

11th grade
log[3](7x-3)>=log[3](5x)
Thursday, January 14, 2010 at 9:25am

Math
Not 11th grade but Math, if you want a Math person to help you: sra
Wednesday, January 13, 2010 at 7:31pm

11th grade
I'm doing The Ambiguos case of triangles given SSA. My givens are a=6; b=7; alpha=30 degrees. how do I know if there's 2 triangles?
Wednesday, January 13, 2010 at 7:17pm

11th grade
Angle QRS is a straight angle. If a=2c, c=2b, and b=d/3, what are the values of a,b,c,and d? a+b+c+d = 180
Tuesday, January 12, 2010 at 9:52pm

11th grade math
Just add the real and imaginary terms separately, and keep them separate. The imaginary terms are the ones with "i" -2 + 3i -1 - 21 -------- -3 + i
Monday, January 4, 2010 at 12:10am

11th grade
I need to find an example of Inversion/abnormal word order in either "The Crisis" by Thomas Paine, "The Declaration of Independence" or "The Death of a Salesman" and am having trouble understnading what to look for in the readings. Any help?
Monday, December 28, 2009 at 9:41pm

12th grade English
Ok yea sure. Tommorow afternoon ill be around here. P.s. 11th grader here, 16.
Saturday, December 26, 2009 at 7:34pm

11th grade-Logs
loga + logb - logc log(ab/c) z log q= log(q^z) does that help?
Monday, December 21, 2009 at 4:40pm

11th grade-Logs
log x = 1/2 (log a + Log b - log c) express x in terms of a,b,and c.
Monday, December 21, 2009 at 4:34pm

11th grade
I am having trouble understanding pronouns, predicate nominatives, direct objects, indirect objests, and object of prepostion. I don't know how to tell them apart. What's an easy way to undertstand them?
Tuesday, December 15, 2009 at 7:32pm

11th grade
The driving purposes were: 1) various Religious movements 2) economic betterment 3) refuge from jail or oppression If you examine the migrations, you should find clusters of colonies that featured one of these stronger than the other in specific colonies.
Saturday, December 12, 2009 at 3:13pm

11th grade
What were the diverse purposes of England's American colonies and how were these purposes altered in early years of settlement?
Saturday, December 12, 2009 at 2:38pm

11th grade
A child sitting 1.08 m from the center of a merry-go-round moves with a speed of 1.20 m/s. (a) Calculate the centripetal acceleration of the child.
Wednesday, December 9, 2009 at 4:22pm

11th grade
A child sitting 1.08 m from the center of a merry-go-round moves with a speed of 1.20 m/s. (a) Calculate the centripetal acceleration of the child.
Wednesday, December 9, 2009 at 4:20pm

11th grade
Write your own journal entry from the perspective of a member of Bradford's colony. What do you think of these unruly pirates? What shocks you the most about these surly characters? How do the manners of the pirates differ from yours?
Tuesday, December 8, 2009 at 7:17pm

11th grade
How does the view of romantic love develop in the course of the novel? What is the doctor's view of marriage and childbearing?
Sunday, December 6, 2009 at 12:00pm

11th grade
Why does it have to be a "car"? Why cant it be a tube, as a pringles can, with two large lids for wheels on the ends? The egg could be wrapped in bubble wrap inside.
Saturday, December 5, 2009 at 2:39am

11th grade
2P+3H2>>> 2PH3
Thursday, December 3, 2009 at 2:14pm

Chemistry, not "11th grade"
Assistance needed. Please type your subject in the School Subject box. Any other words are likely to delay responses from a teacher who knows that subject well.
Thursday, December 3, 2009 at 1:40pm

no idea...but plz help
I just don't understand the math you're doing im in 11th grade taking pre-calc and i dont think we've ever done anything quite like that. Thank you for your help
Tuesday, December 1, 2009 at 6:49am

11th grade [URGENT]
You could research the calories in several fast food meals and then compare them with calories in healthier meals.
Friday, November 20, 2009 at 8:18pm

11th grade
A diamond contains 0.090 moles of carbon what is the mass of the diamond
Tuesday, November 17, 2009 at 12:58am

11th grade Physical Science
A 2-kg block rests on a wall that is 3 m tall. What is the gravitational potential energy of the block? The force of gravity on Earth (g) is equal to 9.8 m/s2.
Sunday, November 15, 2009 at 1:54pm

Math, not "11th grade"
Assistance needed. Please type your subject in the School Subject box. Any other words are likely to delay responses from a teacher who knows that subject well.
Friday, November 6, 2009 at 12:34pm

11th grade
Hello there i am writing a book and i would like to know how many subjects does an eleventh grader have per day. please reply as soon as possible. thank you very much. P.S: This question is meant to be answered by an american individual due to various reasons.
Friday, November 6, 2009 at 10:48am

11th grade Physical Science
1/2 m v^2=Ke v= sqrt 2KE/m PE=mgh h= PE/mg
Monday, November 2, 2009 at 6:14pm

11th grade math algebra 2 trig
5 packs of decorative beads, 4 packs of plain beads
Friday, October 30, 2009 at 3:11am

11th grade
idk
Thursday, October 29, 2009 at 11:42pm

11th grade math
Assuming that A, B and C are numbers, just subtract 2x from both sides of the equation. (-2x) + 5y = 3 I hope this helps. Thanks for asking.
Wednesday, October 21, 2009 at 2:10pm

Math, not "11th grade"
Assistance needed. Please type your subject in the School Subject box. Any other words are likely to delay responses from a teacher who knows that subject well.
Tuesday, October 20, 2009 at 10:03pm

11th grade
You have a lot of problems. YOu solved j as 3.5 so now solve for w, you first answer is WRONG. 2w + .5(3.5)= 6.25 solve for w.
Thursday, October 15, 2009 at 1:36pm

11th grade
Jordan, this is pretty basic. .5 j= 1.75 divide both sides by .5 j= 1.75/.5
Thursday, October 15, 2009 at 1:30pm

11th grade
arc lenth= angleinradians*radius 143m=35*r solve for radius r.
Monday, October 5, 2009 at 6:03pm

11th grade u.s. history
can i ask one more question srry um do you know a political cartoon that goes with the 12th amendment and what does he mean how does one go about amending the constitution lol srry thats 2
Monday, September 28, 2009 at 9:52pm

11th grade u.s. history
So basically the 12th amendment is necessary cause it helps select both president and vice president So does it protect the 20th amendment or am i like way off
Monday, September 28, 2009 at 9:23pm

11th grade Math
60 * 1/2 = 30 30 * 1/3 = ? How long would that take?
Friday, September 25, 2009 at 11:54am

Math, not "11th grade"
Assistance needed. Please type your subject in the School Subject box. Any other words are likely to delay responses from a teacher who knows that subject well.
Thursday, September 24, 2009 at 8:39pm

11th grade
if a container starts with 60 liters and the 1st hour it has half the liters and the 2nd hour it has 1/3, how long before there are 10 liters?
Thursday, September 24, 2009 at 6:37pm

11th grade
Write your own journal entry from the perspective of a member of Bradford's colony. What do you think of these unruly pirates? What shocks you the most about these surly characters? How do the manners of the pirates differ from yours?
Tuesday, September 22, 2009 at 11:56am

Math, not "11th grade"
Assistance needed. Please type your subject in the School Subject box. Any other words are likely to delay responses from a teacher who knows that subject well.
Monday, September 21, 2009 at 10:00pm

11th grade
what was the most major turning point which marked the changing relationship between american colonists and the british which sparked the start of the revolutionary war
Sunday, September 20, 2009 at 5:23pm

11th grade
Is malleability an extensive property or an intensive property? Explain.
Saturday, September 19, 2009 at 12:26pm

11th grade
If I remember correctly, you have to first put the word equation into a chemical equation. The chemical equation will help you find the product (through protons, atoms, electrons, etc.)
Wednesday, September 16, 2009 at 1:43pm

11th grade Algebra2
Algebra 2???? What am I missing here? 4x = 2x+30 2x = 30 x = 15
Monday, September 14, 2009 at 9:04pm

11th grade
what is the density of an 84.7g sample of an unknown substance if the sample occupies 49.6cm3
Wednesday, September 9, 2009 at 8:43pm

11th grade math algebra 2 trig
5>4b+9>17 - -
Wednesday, September 9, 2009 at 5:26pm

11th grade
no u cross multiple 12*5=60 x*3=3x 3x=60 x=20
Thursday, August 27, 2009 at 9:33pm

11th grade-english III
Write your own journal entry from the perspective of a member of Bradford's colony. What do you think of these unruly pirates? What shocks you the most about these surly characters? How do the manners of the pirates differ from yours?
Thursday, August 27, 2009 at 1:34pm

11th grade
What were the diverse purposes of England’s American colonies and how were those purposes altered in the early years of settlement?
Friday, July 31, 2009 at 12:57pm

11th grade CHEMISTRY TITRATION LAB!
can someone just come to my house and do my lab for me????
Sunday, May 31, 2009 at 9:41pm

11th grade
how do you predict this product? hydrogen gas + oxygen gas -->
Tuesday, May 26, 2009 at 11:19am

11th grade Algebra 2/ Trig
The expression log 10^(x+2)- log 10^x is equivalent to???
Wednesday, May 20, 2009 at 8:05pm

11th Grade chemistry
How to get pure gold from impure gold..please specify the chemical equation.. any example is fine,e.g. AuCl3 -> Au
Wednesday, May 13, 2009 at 8:26am

11th grade
Andrew claims that a wooden bookend in the shape of a 45°- 45°- 90° right triangle has side lengths of 5 in., 5 in., and 8 in. Is he correct? If so, show the work and if not, show why not.
Sunday, May 10, 2009 at 6:50pm

11th grade
I ran this through my homemade "Newton's Method" program and got x = .5671433 for that value xe^x had a value of 1.000000026 on my calculator
Monday, April 27, 2009 at 7:36am

Math, not "11th grade"
assistance needed Please type your subject in the School Subject box. Any other words are likely to delay responses from a teacher who knows that subject well.
Sunday, April 26, 2009 at 8:20pm

11th grade English
Here is a nice research topic, and you will have a lot of data. The effectiveness of Pre-natal care in reducing birth defects, increasing IQ, and neo-natal deaths.
Friday, April 3, 2009 at 11:42am

11th grade English
Additional suggestion: Stay away from any highly emotional issues, such as abortion, drug-abuse results, HIV/AIDS, etc.
Friday, April 3, 2009 at 11:09am

11th Grade English
What is stupid if stupid is a stupid does. It's a stupid question. DUH
Wednesday, March 25, 2009 at 5:27pm

11th grade-World Geography
If you haven't seen this movie or have forgotten it, I urge you to borrow or rent it and watch it, noting especially the scenes that answer these questions. We do not do homework.
Wednesday, March 4, 2009 at 11:23am

11th grade
The answer is 20....You solve for X..bring 12 over to the other side. So X= (5/3)* 12
Friday, February 13, 2009 at 9:43am

11th grade:AP Biology
I think you go to my school Matt. I had that exact question on my AP Bio test.
Tuesday, February 10, 2009 at 9:50pm

11th grade (math)
What are you supposed to do with that function? Plot it? Describe it? Integrate it? Differentiate it? Specify the domain and range? There must be for to the problem that what you have written down You should use parentheses to clarify that the numerator and denominator are.
Tuesday, February 10, 2009 at 12:28am

11th grade
during what holiday did german and english soldiers observe an informal truce they shared their food buried theri dead and sang together
Saturday, January 31, 2009 at 10:53pm

11th grade
hi, i am haveing prob;ems with my math its called solving the quadratic equation but my teacher is not really giving me the attention i need to pass the class but will you help me please
Wednesday, January 28, 2009 at 10:51am

Physics
im doint a 11th grade course of physics..i dont think mines is the same as yours
Tuesday, January 27, 2009 at 8:36pm

11th grade
the answer be (c+11)(c-5) c=-11 or c=5
Sunday, December 28, 2008 at 2:32pm

11th grade
Not quite. You have to get +2x^2 (2x-5)(x+3) ought to do it.
Sunday, December 28, 2008 at 2:30pm

11th grade
yes. c^2+6c-55=0 what adds to +6 and multipllies to -55?
Sunday, December 28, 2008 at 2:28pm

11th grade
This one also factors. I gave you the previous one, why don't you try this, the factors are quite simple. Let me know what you got.
Sunday, December 28, 2008 at 1:56pm

11th grade
It's no bother; I looked, but didn't find any site that is easier to understand. Essentially, Ataturk of Turkey made laws that got rid of the caliphate in 1924.
Thursday, December 18, 2008 at 7:25pm

11th grade
does anyone know anything about the muslim culture and there dress.do they do it voluntary?do we as westerners have any issues with their dress? because i dont! help is needed right now! please help me!!!!
Thursday, December 18, 2008 at 7:14pm

11th grade
im writing this essay for an european history class. i've already started it but i just need help adding in deatails on the caliphate. like, why did it decline? and what were the results of this? please help me!!!!!!!!
Thursday, December 18, 2008 at 6:25pm

11th grade
Don't you mean? You are really being mean. I just need help understanding the question. That's all. I'm on the computer, not typing an essay, so I don't think either punctuation or grammar counts.
Tuesday, December 2, 2008 at 10:33pm

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