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July 24, 2014

Search: Chemistry(Urgent, please check!!!)

Number of results: 93,439

Chemistry(Urgent, please check!!!)
The equation A + 2 B = C + D describes an elementary reaction, which takes place in a single step. Thus, the rate law must be? My answer is k(A)(B)^2 Is this correct?
February 29, 2012 by Hannah

math urgent urgent urgent
1)let f(x) be a polynomial function explian how to use the factor theorem to check if (x-c) is a factor of F(x) 2) use synthetic division to factor X^2-2x^2-9x+18 completly
November 30, 2012 by zach w

chemistry urgent
I think I balanced these equation right please check and let me know. i am suppose to complete and balance the equations representing the reactions. NaHCO3 (s) + HCL (aq) >>>> NaCl + 2CO+H2O CaCo3 (s) + HCL (aq)>>> CaCl + CO3H Thanks
April 23, 2014 by jazz

Chemistry(Urgent, please check)
For C4H10O a constitutional isomer can be written as C-C-C-C-O-H with hydrogens also coming off of the 4 carbons. I know that this is an alcohol. I need to know if there are stereoisomers for this other than conformers. I think that there are stereoisomers because you can just...
October 11, 2012 by Hannah

spanish!!...urgent!...please help
how did the geography influence the migration and exploration of colombia? venezuela? i need websitres for this urgent...please help asap... :(
December 6, 2007 by maggie

Chemistry(Please help, thank you)
I have to calculate the concentration of I2 produced (# of moles of I2 produced / L) based on the stoichiometric ratio in the following equation. 2S2O3^2- + I2 -> 2I^- + S4O6^2- Chemistry(Urgent, please help) - DrBob222, Sunday, February 26, 2012 at 9:47pm If you know the ...
February 27, 2012 by Hannah

GR.10 CIVICS!!!!!URGENT
CAN SOMOENE PLEASE GIVE ME A LINK TO A PICTURE THAT HAS TO DO WITH OR IS RELATED TO ABORIGINALS GAINING THE RIGHT TO VOTE IN CANADA(1960).PLEASE! ITS URGENT.THANKS
May 30, 2009 by LALA

Math(Please check, urgent)
y=1.5 + 76.95t-(1/2)(9.8)t2 = 303.6 I am not sure how to arrive at this answer. I am confused because there is a t and a t^2. Thank you for your help!
September 17, 2012 by Hannah

Trigonometry Urgent!
I am writing a paper on the 8 trigonometric identites but can't find any information on them. Please does anyone know of any websites that would have things like their history, development, applications in ancient times, origins, etc. Please help. Urgent!!!!
March 8, 2007 by kate 316

Chemistry(Please check)
1) The Ka for acetic acid is 1.8e-5. What is the pH of a 3.18M solution of this acid? I did 1.8e-5 = x^2/3.18 x=sqrt 1.8e-5 X 3.18 = 7.56e-3 pH=-log(7.56e-3) = 2.12 The pH is 2.12 2) At 25 degrees celsius, the pH of a 1.75M NaCN solution (the Ka for HCN is 4.0e-10) is ? 4.0e-...
April 2, 2012 by Hannah

chemistry urgent
hydrogen gas is collected in a bottle, and the pressure of the gas is 892 torr at 24 °C. what is the pressure of hydrogen gas when the temperature decreases to 20 °C? chemistry - DrBob222, Tuesday, November 30, 2010 at 1:25pm (P1/T1) = (P2/T2) Dear Dr Bob: is this a right ...
November 30, 2010 by Lynn

CHEMISTRY(URGENT PLEASe)
CONVERT : 1.67KG =___MG 2.70MM=___KM 3.55 DAYS=___MINS 4.37 FAHRENHEIT=___KELVIN BETTER IF WITH SOLUTIONS PLEASE AND HOW TO DO PLEASE
June 25, 2013 by Dishea

Math urgent
explain how to compute the xy term of the product (3x-4y)^2? if possible with solution please.... its urgent
September 7, 2008 by Ayushma

Venn Diagram (URGENT)
What are 6 similarities between Canada and Haiti? 1. French Influence 2. 3. 4. 5. 6. Please someone help, this is urgent. thank you.
April 30, 2009 by John

MATHS! URGENT!
describe how each sequence is generated and write down the next two terms: a) 40 41 43 46 50 55 b)90 89 87 84 80 75 c)1 3 7 13 21 31 d) 2 6 12 20 30 42 PLEASE HELP its urgent!
September 29, 2010 by Ami

Trigonometry Paper Urgent!!!
I am writing a paper on the 8 trigonometric identites but can't find any information on them. Please does anyone know of any websites that would have things like their history, development, applications in ancient times, origins, etc. Please help. Urgent!!!!
March 9, 2007 by kate 316

science-urgent
What are differences between Continental Drifts and Plate Tectonics? I need at last 4 for each. Please help its urgent!!!!! Thanks a bunch! Ellie
November 24, 2008 by Ellie

GEOGRAPHY (URGENT!!!)
I NEED HELP!!! this is urgent!!! Human-Environmental Interactions: how did the people in Khartoum modify the environment? how is the people in khartoum being influence by the physical landscape/environment? sorry my grammar sucks i have other questions but i really extremely ...
November 18, 2010 by NEED HELP URGENT!!!

Chemistry (URGENT)
I have a test soon. If you can help me with these questions, that would be great. 1. Define and describe the following. a)Alkaline - metal - base b)Corrosive - burn/eat away - acid c)Caustic - harsh - both? (acid + base) d)Low pH - 0-6.99 - acid Please check my answers and ...
March 3, 2010 by John

Nath(Urgent Please check)
1)Complete the identity sec Q - 1/sec Q Does this equal -2tan^2Q?
March 10, 2010 by Abbey

chemistry
please me,,,,,its urgent...what is the structural formula of the toxaphene?
May 17, 2011 by joy

chemistry
please me,,,,,its urgent...what is the structural formula of the toxaphene?
May 17, 2011 by joy

Chemistry-pls help urgent
Posted by candy on Tuesday, October 12, 2010 at 5:04pm. 1) How do I prepare 2M nitric acid from 65% concentrated nitric acid? 2) How do I prepare 17% ammonia from 25% concentrated ammonia? Please show calculation steps. Thanks. Chemistry -pls help urgent - DrBob222, Tuesday, ...
October 12, 2010 by candy

Physics - urgent, please help!
10pm. I asked "Show mathematically that to produce an image that is the same size as the object in a concave mirror, the object needs to be at twice the focal length from the mirror." and bobpursley answered: "1/o + 1/o=1/f 1/2f + 1/i=1/f 1/i=1/2f i=2f M=di/do= 2f/2f= 1 check ...
November 17, 2008 by Juniper

urgent alg 1
add or subtract 2 2 (2t -8t)+ (8t + 9t) second question 3 2 3 (t +8t ) + (-3t ) please helpp its urgent i have the answer butt im not suree pleasee helpp
February 9, 2011 by kimberly

Plz urgent
Can anyone please answer my chemistry question i posted quick?
February 23, 2013 by Mia

urgent urgent urgent
what is the chemical make up of actin and myocin
February 8, 2013 by zachary

chemistry urgent urgent
the managing director of a company on wall street thrives on a diet of fruit jam,bread,pasta,and coffee.she exercises intermittently.one day she desides to go to her primary healthcare provider for a check up the provider recommends that she takes the benedicts test assume ...
January 9, 2013 by zachary

Chemistry HELP URGENT PLEASE!!!
what current (in amperes) is required to plate out 2.85 g of Cr from a Cr^3+ solution in a period of 2.50 hr?
March 17, 2014 by Maho

language art CHECK
Will somebody please check this for me and see if i used the words correctly please? Having spent many years as political opponents, the two senators have developed a(n)MUTUAL respect for each other. Please check if it is correct. thank you
January 17, 2012 by saranghae12

chemistry urgent urgent
Discuss, in detail, the role played by DNA and RNA in genetic diseases. What are the breakthroughs, if any, in the treatment/management of genetic diseases?
January 15, 2013 by zachary

chemistry urgent urgent
... the hiv virus that causes aids destroys the immune system in the body. classify the hiv virus and explain the statement.
January 28, 2013 by zachary

Chemistry URGENT
Please show how N and O are combined to make NO^+2 in Lewis dot structure. I'm having a hard time. Thanks
February 19, 2014 by Lisa

Literature
Can someone help me on this? its really urgent. what is Foil Character and Background Character? please don't give me the stage meaning just fiction. thanks. its really urgent.
January 8, 2009 by Akitsuke

math urgent urgent urgent
perpendicular to line -2x+y=7 contains the point (-4,-2) the equation of line is
November 30, 2012 by zach w

math urgent urgent urgent
x+2y=12 find intercept a circle equation x^2+y^2+4x-4y-1=0 and graph 2)find domain and range f(x)=x^2-4x-5 find vertex of f(x) =x^2+4x-21
December 1, 2012 by zach w

Science
What would the application be to my experiment which was "We dig through soil and check for inorganic and organic matter in the soil and look for natural things in the soil(ex; beans,feather,rocks,sticks,and grass)" Please I need your help URGENT! ! !
November 8, 2011 by Hilga

urgent urgent algebra
find the composite function fog f(X) = 1/X-5,g(x)-6/x question 2 find inverse, domain range and asymatotes of each function f(x)=3+e^4-x can some one help me please been stuck on these for 2 days need help solving thank you
March 19, 2013 by zachary

chemistry(Please Check)
You dissolve 6.55 g of potassium nitrate in enough water to make a 250. mL solution. What is the molarity of this solution ?Answer: 0.0262 Please Check my answer
April 23, 2012 by Wurola

Math URGENT!
the roots of a tree are 1/8 of the tree. they are 0.87 m. how tall is the tree? my answer: 0.87 x 7 = 6.09 m please check if my answer is right thanks :)
November 14, 2012 by Winnie

Socials Studies *URGENT*
Research Territory, Food, Shelter, Transportation and Effect of European contact for Ojibwa, Assiniboin, Cree, Chipewyan, Inuit. Please help this is URGENT. I can't seem to find "Effects of European contact" for any of the groups. Although I don't quite understand what it ...
March 25, 2010 by John

Chemistry-Urgent Help Please
What are the differences between -ate, -ide, -ite, and the other suffixes? What are some ways of remembering? Thank you for clarifying this.
March 5, 2009 by Josh

urgent urgent urgent
A freshman studying medicine at an Ivy League College is a part of his class crew team and exercises regularly. After a particularly strenuous exercise session, he experiences severe cramps in his thighs and pain in his biceps. explain the process the muscle go through
February 6, 2013 by zachary

VERY URGENT MATH!!!
1. 3w – 10w (1 point) 13w –7w –7 7w 2. y + 2y +3z (1 point) 2y + 3z 3y + 3z 2y2 + 3z 6yz 3. 6r + r – 5r (1 point) 2r 1r + r 0r 7r – 5r 4. 5x + 2(x + 6) (1 point) 7x + 6 7x2 + 12 7x + 12 7x (x + 6) 5. –3m + 3(m + 6) (1 point) 6 –6m + 6 6m + 18 18 MY ANSWERS: 1)B 2)D 3)D 4)A 5)A...
December 21, 2012 by Gabby

Science URGENT
Is there any website or any way I can get the science probe 10 check your understanding answers cause I want to check my answers?
March 31, 2014 by Anonymous

Social Studies URGENT
1. Why was the bison hunt so important to the Metis? Because the bison provided food for the Metis and clothes were made from the hides. 2. Activities/Lifestyle of Metis? ??? Can someone please check #1 and assist me with #2. Help is greatly appreciated. Thank you.
March 30, 2010 by Cody

urgent urgent urgent
A freshman studying medicine at an Ivy League College is a part of his class crew team and exercises regularly. After a particularly strenuous exercise session, he experiences severe cramps in his thighs and pain in his biceps. •Explain the chemical process that occurred in ...
February 7, 2013 by zachary

CHEMISTRY--PLEASE HELP, URGENT
What concentration of silver chromate (Ksp = 9.0 x 10-12) will dissolve in 500. mL of 0.01 M aqueous silver nitrate?
April 12, 2010 by Maggie

English (urgent)
can you give me 4 examples of informative texts..or websites where can I look for informative texts--4 paragraph informative texts...(i need it now)really urgent...please...
February 10, 2013 by daphnie

Chemistry(URGENT, PLEASE HELP!)
the volume of alcohol present in 620 mL of a 40% (v/v) solution of alcohol is ______? A. 372 mL B. 40 mL C. 248 mL D. 580 mL
May 4, 2010 by Kathie

chemistry final-urgent
electron configuration of Cr3+? I think is Cr: [Ar] 4s1,3d5 but how about Cr+, Cr2+, Cr3+? Please explain?
December 14, 2010 by lianne

Math 157
Can someone please help me. At a quality control checkpoint on a manafacturing assembly line, 10% of the items failed check A, 12% failed check B, and 3% failed both checks A and B. a. If a product failed check A, what is the probability that it also failed check B? b. If a ...
December 8, 2010 by Rena

Math
Can someone please help me. At a quality control checkpoint on a manafacturing assembly line, 10% of the items failed check A, 12% failed check B, and 3% failed both checks A and B. a. If a product failed check A, what is the probability that it also failed check B? b. If a ...
December 8, 2010 by Rena

help PLEASE! URGENT!
ok, i need help w/ this problem. (4x^3 + x^2 + 3) + (x^3 + 2x^2 +1) can u please explain how to do this please? i'm very lost. Thanx! -Ally
August 16, 2005 by ally p.

Chemistry(Urgent, please help,thank you)
After performing a freezing point depression experiment I had to find the molecular weight of glycol. Now I have to answer the question what value did I assume "i" to equal and why did I make this assumption. My teacher told us the value of i to use for this was 1. I am not ...
February 21, 2012 by Hannah

SPANISH 3 URGENT!!!!!!!!!
combina las palabras lógicamente. 1. la langosta 2. la salchicha 3. el ají 4. el caldo 5. el sacacorchos 6. hornear 7. los ingredientes 8. la sal 9. el durazno 10. el aderezo a. el vino b. la toronja c. la sopa d. la receta e. la pimienta f. la ensalada g. el pimiento h. cocer...
March 2, 2013 by Anonymous

7th grade math check
Ok I was wondering if you could check these 3 problems please. I am suppose to set these equations equal but I am not sure if did them right. I think I accidently solved these systems as substitutions. The answers are suppose to be in coordinate pairs. 1) x - y = 11 -3x + y...
April 12, 2012 by saranghae12

English language
what could be an example of something that is urgent but is not important? and something that is important but not urgent? these questions refer to daily actions or well any actions, i have absolutely no idea how to answer that. Sure doesn't urgent and important meant almost ...
November 29, 2011 by Caroline

chemistry urgent
if 100 g of iron were reacted with 100 g of oxygen according to the reaction below, the maximum yield in grams of Fe2O3 would be: Dr. Bob. Please help.
November 30, 2010 by Lynn

Chemistry Urgent please help! Test tomorrow
if you have a mixture of sodium chloride and sodium bromide, could you use its conductance to determine the concentration of each solution? explain
January 9, 2013 by Anonymous

help PLEASE! URGENT!
ok, i need help w/ this problem. (4x^3 + x^2 + 3) + (x^3 + 2x^2 +1) can u please explain how to do this please? i'm very lost. Thanx! -Ally whoops, sorry i didnt mean to post twice! gather like terms.. (4x^3 + x^3)+(x^2 + 2x^2) +(3+1)....
August 16, 2005 by ally p.

History (URGENT)
What is the History of Haiti? I need brief and main points stating the history of Haiti. Because I have to talk about it briefly in my Travel Tourism commercial for an assignment. I'm having trouble getting the main points. Please help, this is urgent. THANK YOU.
May 3, 2009 by John

egypt
urgent!!!!urgent!!!!!! have to go to bruins game at 5:45whats the magical fiqures inbetween the rapping in a mummy?
January 29, 2009 by lilgeeny245

MORE LANGUAGE ARTS URGENT
Because she wants to go to medical school, Becky will need to take extra science classes, and she also wants to learn Latin. The sentence above is a A. compound sentence. B. complex sentence. C. compound-complex sentence. D. simple sentence. I think..... it's A.... or C I ...
December 18, 2012 by Gabby

Chemistry - urgent help needed
The following is part of a procedure for a limit test for sulphates in an NaOH sample:- Dissolve 3.0g of NaOH in 6ml of deionized water, adjust to pH 7 with 12M HCl (about 6.2ml) and dilute to 15ml with deionized water. When about 6ml of 12M HCl was added, a white ppt was ...
September 22, 2010 by candy

English-URGENT-HELP NEEDED!
Can ANYONE please help me by going to either the very bottom of this page or the top of the next and click on "English-URGENT-HELP NEEDED!"? I really need some help on that one and I'm afraid no one will find it and I'll have to keep posting it over and over. THANK-YOU ...
August 26, 2007 by Anonymous

English-CHECK PLEASE
Ok, I figured this out (I think) but can you please check? Don't worry. I can carry the tent all by myself because it is so light. I do not even need a lantern it is so light outside. In these sentences, the word "light" is used as a: A:homophone B:homonyme C:synonym D:simile ...
April 15, 2011 by Catherine

Chemistry conversions check
I'm sooooooo not sure if I'm doing this right, but can someone check it please? Thanks :)) 5) Determine the mass in grams of 3.01 x 10^23 atoms of Cl (element) I got 17.5 grams...is this right?
September 10, 2009 by Emily

Venus (URGENT)
Okay, i'm doing this Planetary tourism brochure assignment. I have to make a brochure about the planet. What are some special natural features and attractions on Venus. (special moutains, craters, canyons, surface spots.) Be creative in your descriptions, don't list facts. How...
April 29, 2009 by John

Chemistry(Urgent, please answer)
If you are given the slope and y intercept how do you find the rate constant of a chemical equation??? Would I multiply the slope and the y intercept???
March 9, 2012 by Hannah

Chemistry(URGENT!)
determine whether the following salts will form acidic, neutral or basic solutions in water. Na2HPO4 CaNO2 NH4CH3COO Al2SO4 NaF Please, i need the answer to this question within 2 hours of when i post this!
July 28, 2010 by rick

DrBob222 please check
DrBob222 please check my physics question posted at 8:55pm. The subject is drwl please check. I am not getting a response from drwl. Thanks! Mary DrWLS is not on right now. My physics is too poor to trust my answers. Bob Pursley is smarter than I am; he does physics, math, and...
February 27, 2007 by Mary

URGENT ALGEBRA
CAN ANYONE PLEASE HELP ME I HAVE NO CLUE WAT TO DO AND I AM SO CONFUSED HELP ANYONE PLEASE 4x-5y=-19 2x+17=y what is the solution of the system?
September 10, 2009 by vera

Chemistry(Urgent, please help)
I have to calculate the concentration of I2 produced (# of moles of I2 produced / L) based on the stoichiometric ratio in the following equation. 2S2O3^2- + I2 -> 2I^- + S4O6^2- Would the # produced be 2 for I2. I am not sure what to use for L?
February 26, 2012 by Hannah

Chemistry
Zinc coats Iron and prevents it from rusting. However Iron cannot be used to coat zinc and prevent it from corroding.Explain this phenomenon.HELP PLEASE URGENT!!
October 24, 2009 by Belinda

chemistry urgent urgent
Analyze the properties of a sodium atom and a sodium ion. What are the differences in mass, stability, and reactivity that are caused due to the differences between the sodium atom and sodium ion?
December 10, 2012 by zachary

Chemistry(Please check)
. Ksp for Fe(IO3)3 is 10-14. Two solutions, one being iron(III) nitrate and the other being sodium iodate, were mixed. At the instant of mixing, [Fe3+] = 10-4M and [IO3-] = 10-5M. What happens? My answer is that a precipitate forms because Qsp > Ksp. Would you agree? ...
April 9, 2012 by Hannah

Physics check
I just want somebody to check my answer on this problem please :-) There is a box which weighs 1000 kg. There is an applied force acting upon it with a force of 20000 N (horizontally). The mu is 1.2. What is the acceleration (again, horizontally) of the object? I got 8.24 m/s^...
November 5, 2007 by Emily

Math -Urgent!!!
List all the possible rational zeros of f(x)=3x^3-x^2+2x=2. Please help me. I don't understand how to do this. Can someone show me please.
April 29, 2012 by Tabby

Math please help! Urgent
Find the height of an equilateral triangle with sides of length 6 cm ' please show ur work
November 25, 2012 by Jessica

chemistry urgent
if 100 g of iron were reacted with 100 g of oxygen according to the reaction below, the maximum yield in grams of Fe2O3 would be: chemistry urgent - bobpursley, Tuesday, November 30, 2010 at 4:20pm Balance the equation. Note the coefficents on Fe and O2, that is the mole ...
November 30, 2010 by lynn

Chemistry (URGENT)
In order to analyze the waste water containing Co^2+ from a manufacturing process, 1.0L of water was evaporated to 10.0mL, then placed in a spectrophotometer tube. The absorbance was found to be 0.20. Using your calibration curve, calculate the number of milligrams of co^2+ in...
December 16, 2010 by John

physiology practical
what affect can happen on the blood pressure and the heart rate when you drag or clamp the common carotid artery of the rabbit? and why? PLEASE please answer fast cause i have presentation tomorrow, please need help urgent!
May 21, 2012 by kane

Math 116 algebra please check
Solve using the multiplication principle. 10x= -90 The solution is x = -9 please check
July 16, 2008 by jay jay

Precalculus(URGENT)
determoine whether the equation defines y as a function of x y= the square root of(-3x-6) please please show work
April 1, 2010 by Arielt -Help now fast due tommorow

Math (Check)
The equation y = a^x is a decreasing function a = 1) 1 2) 2 3) -3 4) .25 I think that the correct answer is 3) -3...but I am not sure why? Can anyone please check if I am right and explain why? Please....Thank you for your help!!!
March 9, 2009 by jess

Calculus - please check my work
Differentiate each function a) y = -3x^2 + 5x - 4 b) f(x) = 6/x - 3/(x^2) c) f(x) = (3x^2 - 4x)(x^3 + 1) the answers i got for each was: a) y'= -6x + 5 b) f'(x)= -6/x^2 + 6/x^3 c) f'(x)= 15x^4 + 6x - 16x^3 - 4 please double check and let me know if these are correct, thank you.
June 18, 2012 by Henry

PLease Check My Work
3. T^2-25/t^2+t-20= (t-5) (t+5)/ (t-10) (t+2) 4. 2x^2+6x+4/4x^2-12x-16= 2(x+2) (x+1)/4 (x-4) (x+1) 5. 6-y/y^2-2y-24= 1/(y+4) *Please check them.- 3. (t-5)(t+5) / (t+4)(t-5) 4. 2((x-1)(x+2)) / 4((x+4)(x-1)) 5. (6-y) / (y+6)(y-4) i dont really understand what this is... but lol ...
February 22, 2007 by Margie

Pre-Algebra(please check)
Please check these simplified expressions(my answer is after the ;) 4(2k-6)-8(3-3k); -16k-(-48) 9+(-2k)+(-4)-6k; -8k+5 -x+4x-(-8x)-9+2x+1; 13x+(-8) 5(-3x+6)+8x; -7x+30 8+6x+4-8x; -2x+12 5(-m-3)+4m-10; -9m+5
May 18, 2008 by Jillian

Math Help (URGENT X10)
This is really urgent so please please please help. The height(H) of an object that has been dropped or thrown in the air is given by: H(t)=-4.9t^2+vt+h t=time in seconds(s) v=initial velocity in meters per second (m/s) h=initial height in meters(m) H=height h=initial height ...
April 4, 2012 by Anonymous

Accounting
A check returned by a bank because the issuer's cash account balance could not cover the check is called a(n): a. Cancelled check b. Certified check c. Outstanding check d. NSF check
October 18, 2012 by Anton

History reflections URGENT
HELP! Trying to find information on Michael Kaznelson author of Remembering the Soviet State: Kulak Children and Dekulakisation. This is urgent so thanks for all your help.
June 14, 2011 by Em

Math 116 algebra please check
Solve for the indicated letter. e=9f, for f The solution is f = 1/9e Please check this
July 16, 2008 by jay jay

math-please check my answer
0.6x + 4 < 1.0x - 1 6x + 40 < 10x - 10 4x > 50 x > 12.5 can someone please check my work and tell me if I am right?
July 30, 2010 by Michelle

Chemistry (urgent!)
A titration of 15.0 cm3 of household ammonia, NH3, required 38.57 cm3 of 0.78M HCl. Calculate the molarity of the ammonia. Please show steps so that I may unders tand how solve this. Thank you
March 15, 2009 by jj

Math[PLease Check]
Problem: 25-x^2 6 ------ * --- 12 5-x What I got: 5-x --- 2 *PLease Check My Work. No. Factor the 25-x^2 into two factors. Then the 5-x in the denominator divides out. So then is it: 5+x --- 2 yes. 12x12
February 24, 2007 by Margie

Geometry
URGENT PLEASE HELP please help me understand how to draw a net, am i supposed to memorize these or is there a method for drawing nets for different shapes.
February 10, 2013 by haley

11th grade [URGENT]
Help with my research essay!? I have this assignment I have to do and its a research essay. I was wondering if this was a good topic (not too broad or not too specific) for my essay: Behind fast food, or like does fast food take effect on obesity? I've chosen to do something ...
November 20, 2009 by Hiro

chemistry
i have to write chemical formulas and balance them: nitrogen and oxyen---> nitrogen monoxide N2+02---->2NO nitrogen monoxide and oxygen----> nitrogen dioxide gas. NO2+O---->NO2 (i'm not sure about this, please check) nitrogen dioxide and water----> nitrous and ...
January 13, 2008 by Anonymous

English
Can you check this sentence, it's really urgent. Before sending you details of my credit card, I would like you to confirm the offer made to me by Mr Smith, your Reservation Executive.
June 3, 2011 by Henry1

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