Friday

February 5, 2016
Number of results: 63,398

**To ANY SCIENCE HELPER URGENT**

1. Describe 2 methods of viral infection 2. How can a virus be helpful to its host? Please this is very urgent, I have finished everything else but these r my last 2 questions that I don't know! Please help! Thanks:)
*September 28, 2014 by Nicki*

**Chemistry VERY URGENT PLEASE**

What does the chemical formula, MgSO4 * 7H2O, become when the hydrated is heated? I got so far is MSO4 * 7H2O + Heat ---> MgSO4 + H + O
*September 10, 2015 by Finn*

**urgent urgent urgent**

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

**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*

**math very urgent**

What is the area of a shape that that has 8 sides and has 1 , 1 , 8 , 1 , 1 , 3 , 3 and 10?
*January 8, 2013 by Anonymous*

**English - Very urgent **

How does pearls represent hope?
*December 2, 2014 by Thi.*

**chemistry**

can anyone tell me about the molecular orbital energy order in energy level diagrams????its molecular n not atomic..... plz tell me its very urgent!!!!
*October 12, 2010 by vishesh*

**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*

**math VERY URGENT**

Are there any websites where i can make a 3d shape and see the net for it?
*December 3, 2012 by Anonymous*

**simultaneous equation very dificult need help itz urgent**

A-C=B/2 A-B=C/6 B+C=32 find A,B,C
*September 1, 2015 by edward*

**physics help needed very urgent !!!**

The figure shows four penguins that are being playfully pulled along very slippery (frictionless) ice by a curator. The masses of three penguins and the tension in two of the cords are m1 = 10.5 kg, m3 = 14.7 kg, m4 = 22.05 kg, T2 = 120 N, and T4 = 236 N. What is the mass of ...
*October 19, 2012 by some one *

**Chemistry *URGENT***

URGENT help! 3. A rock sample was dated using potassium-40, Neasyrenebt ubducated tgat 1/8 of the original parent isotope is left in the rock sample. How old is the rock? 5. When a sample of lava solidfied, it contained 28g of uranium-238. It that lava sample was later found ...
*March 5, 2010 by Anon*

**Math - Very urgent.**

Use multiples to find the LCD for each pair of fractions. a) 1/2, 1/3 b) 1/4, 1/5
*September 8, 2014 by Sally*

**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*

**Chemistry Very Urgent!!**

A 0.035 M solution of a weak acid (HA) has a pH of 4.88. What is the Ka of the acid? HA ==>H^+ + A^- Ka = (H^+)(A^-)/(HA) pH = -log(H^+) You know pH. Convert that to (H^+). (H^+)=(A^-) so plug those into the expression for Ka. (HA) = 0.035 M - (H^+). Plug that in. Calculate...
*April 2, 2007 by Paul*

**math question 3- very urgent !**

Find x* on [0, 2] such that f(x*) equals the average value of f(x) = 5x + 9 over [0, 2].
*December 19, 2010 by Carla*

**math VERY URGENT+IMPORTANT**

what is 6 minus 2 and one half? please explain answer
*November 27, 2012 by Anonymous*

**Math - Very urgent.**

Use prime factors to find the LCD for each pair of fractions. a) 1/4, 1/8 b)1/6, 1/18
*September 8, 2014 by Sally*

**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*

**Chemistry**

Which of the following indicates the exsistence of stron intermolecular forces of attraction in a liquid? a very low boiling point a very low vapor pressure a very low critical pressure a very low viscosity a very low heat of vaporization
*December 11, 2007 by Lauren*

**Geometry(VERY URGENT!!)**

In triangle ABC, D is the centroid and M is the midpoint of segment AC. If BD=x+9 and DM=6, find MB. Answer choices: 9,18, or 3.
*November 5, 2008 by Abbey*

**math VERY URGENT AND IMPORTANT**

Estimate the product of 3 7/8 and 25. Describe your method. Please answer and explain.
*January 15, 2013 by Anonymous*

**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*

**high level chemistry**

can anyone tell me about the molecular orbital energy order in energy level diagrams????its molecular n not atomic..... plz tell me its very urgent!!!!
*October 5, 2010 by vishesh*

**Chemistry (URGENT)**

Suppose a reaction involved a finely ground powder reacting with a concentrated acid. Suggest three methods of decreasing the reaction rate. 1. By placing the reactants in cold water. 2. ? 3. ? Can someone please help? I can't think of what else I can do to slow down the ...
*March 2, 2010 by John*

**Chemistry (urgent)**

Suppose a reaction involved a finely ground powder reacting with a concentrated acid. Suggest three methods of decreasing the reaction rate. 1. By placing the reactants in cold water. 2. ? 3. ? Can someone please help? I can't think of what else I can do to slow down the ...
*March 2, 2010 by John*

**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*

**Technology ..Urgent help**

Analyze an example of new technological use that contradicts the principle of technological determinism. In other words, think of an example in which culture, social context, or other factors result in very different uses of an identical technological device. “New technology” ...
*November 3, 2008 by Susan*

**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*

**urgent...maths**

Find the sum of all primes p, such that p divides u(p), where u(p) is the p-th Fibonacci number. this iss very urgentt...
*June 18, 2013 by jack *

**english**

how to write in the conclusion at the end of the medicinal plants project?please give me an examples with details.It's very urgent.
*June 28, 2014 by sangita*

**Science- Very Urgent**

is it reasonable to expect that these models will change again in time? Explain. Like the bohr diagram and etc;
*November 14, 2014 by Laura*

**Statistics PLZ HELP Urgent!!!!**

PLZ Help me with the following questions! very urgent! The marketing department of a company would like to introduce 12 monthly special products in the coming 12 months. If these monthly special products are selected randomly from 24 products, find the probability that two ...
*March 19, 2013 by Alberta*

**Organic Chem (URGENT)**

What is the monomeric unit of a chain of molecules joined by peptide bonds? Answer:?? If anyone can help with this question. Thank you very much.
*January 26, 2011 by John*

**geo..very urgent**

describe some factors that likely affect the climate of the ivvavik national park. Think of LOWERN.
*January 7, 2015 by thi*

**Social Studies (URGENT)**

10. Why did many Native people start adapting to Victorian society? Can someone please help me answer this question? Thank you very much.
*February 15, 2010 by John*

**anatomy/urgent **

What is the functional advantage of the cat having so many muscles performing the same or very similar action? How does this relate to the human musculature?
*April 22, 2013 by paul*

**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*

**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*

**math VERY URGENT+IMPORTANT**

What is the area of a shape that that has 8 sides and has 1 , 1 , 8 , 1 , 1 , 3 , 3 and 10 as the lengths of the 8 sides?
*January 8, 2013 by Anonymous*

**Socials Studies Project (URGENT)**

Researching the Northwest Coast people. I need help with finding info on agriculture, nomadic, hunters, fishers. Thank you very much!!
*March 31, 2009 by Larry*

**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*

**Biology - very urgent**

Is respiratory control more sensitive to small changes in arterial PO2 or in arterial PCO2?
*September 8, 2014 by Rachel*

**physics(please help...very urgent.....)**

A ball is hit at an angle of 36 degrees to the horizontal from 14 feet above the ground. If it hits the ground 26 feet away (in horizontal distance), what was the initial velocity? Assume there is no air resistance. i have posted the same question earlier and i got some steps...
*April 12, 2011 by arun*

**Very urgent please...**

What is the real birthdate of Kalpana chawla ,the first indian,asian woman astronaut who died over texas skies on february 1 st 2003?
*May 10, 2008 by Sofia*

**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*

**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*

**VERY URGENT!!!**

Large numbers of people have moved from rural areas to urban areas in Asia, Africa, and Latin America because (1 point) they want to live life at a slower pace. there are often few jobs and a shortage of land to farm in the countryside. conditions in large cities are very ...
*December 18, 2012 by Gabby*

**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*

**Biology (urgent)**

Sexual reproduction in trees. How does pollen transport in trees differ from flowers. Please help me!!! I can't find an answer for this. thank you very much.
*June 17, 2009 by John*

**Math (URGENT)**

Expand and simplify. 12-2(3y-2)(3y+2)-(2y+5)(2y+5) Textbook Answer: -22y^2-20y-5 I don't know how to get that. Can someone show me the step by step process? thank you very much.
*April 22, 2010 by John*

**Science- urgent-review**

what type of galaxy do astronomers consider to be the oldest? It's urgent because I am studying for a grade 9 exam but I dont know what this is.. please help.
*January 20, 2015 by thi*

**Chemistry**

Why are numbers used in chemistry often expressed in scientific notation? They otten are very large or very small. Printing those types of numbers is onerous.
*January 11, 2007 by Justin*

**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*

**Calculators- memory?**

For the TI-84 plus edition calculators do the programs you created and notes you put on there get deleted once you change the batteries? this is a very urgent question. thank you.
*October 9, 2009 by Gaby*

**quantum physics**

the quantum factor algorithm for N=91 is carried out. What is the period k of the periodic superposition set up if it chooses x=8? Guys please help...its very urgent!!
*October 18, 2013 by Hannah*

**Math**

This isn't very urgent but can you please break this down to me step by step? I really don't understand. I get that I'm supposed to use the order of operations but I still get lost. 2[4(9-7)+1]/3
*September 9, 2014 by Cherry*

**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*

**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.*

**math - very urgent !**

Verify that f(x) = x^3 − 2x + 6 satisfies the hypothesis of the Mean-Value Theorem over the interval [-2, 3] and find all values of C that satisfy the conclusion of the theorem.
*December 19, 2010 by Carla*

**math**

pls,this is very urgent.can anyone solve this within 10 mins.. 0.000143 over 1940000 equals k*10powern,where 1 greaterthan equals to k greater10 and n are whole number.The value of k and n are......
*January 18, 2013 by Muiz*

**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*

**Electricity**

Very very urgent please help me... A small ball with mass =0,4g charged with electricity= 3x10^(-10) coulomb is united with the edge of a silk rope with length=8cm. The other edge of the rope is on a big insulating material with concentration of the electric energy: 25x10^(-6...
*November 2, 2008 by Ryan*

**Math**

Sean is playing a game where you toss a coin and roll a number cube. How many possible outcomes?Show it as a fraction,decimal, and a percent. If p= probability, what is P( heads,odd)??? Please answer very urgent!!!!
*February 13, 2012 by Madelyn Santiago*

**math question 2- very urgent !**

Given f (x) = √(7 + x) + 4 . Use the rectangle method to approximate the area on the interval [0, 8] using 4 rectangles. (Assume the graph goes through the midpoint of each rectangle.)
*December 19, 2010 by Carla*

**RE: Math Urgent**

I posted this earlier but I think I phrased it in a confusing way Find g(x) + g(x) if g(x) = {(-4,5), (-2,-3), (0,5), (1,3), (3,-1), (5,5)} and g(x) = {(-3,-2), (-2,6), (-1,0), (1,0), (2,-6), (3,5), (4,0), (6,-2)}. I don't need the whole thing done i'm just very confused on ...
*January 21, 2013 by Anonymous*

**English**

I have an urgent question. I'm going to Australia for my holiday. I can speak English pretty well and i could practise it while I was there. (is it grammatically correct? Is the meaning that of a conditional clause? Thank you very much in advance
*December 9, 2013 by Franco*

**Chemistry (URGENT)**

Balance the following equations. 3. C12H22O11 + O2 = CO2 + H2O Answer: C12H22O11 + 12 O2 = 12 CO2 + 11 H2O 8. CH3OH + O2 = CO2 + H2O Answer: 2 CH3OH + 3 O2 = 2 CO2 + 4 H2O I balanced all the others just fine. But I seem to be having trouble with these two. Can someone show me ...
*March 1, 2010 by John*

**MATHS VERY URGENT :l**

In each fruit hamper there were 7 oranges and 5 apples. 9 hampers were sold. How many pieces of fruit were sold together?
*February 28, 2009 by Jessica.*

**GEOMETRY TANGENTS **

Triangle ACE is a circumscribed triangle. Points B, D and F are the points of tangency. If AC= 16 and AE is 9 cm and CE = 15 cm . Find AD, FE and CD HELP PLEASE VERY URGENT
*December 17, 2013 by Keeley*

**Trigenometry**

VERY URGENT! PLEASE HELP SOLVE! tan(x)+1=sqrt(3)+sqrt(3)cot(x)as well as sin(2x)= 2 cos^(x) 4cos2(x) = 8sin(x)cos(X)
*August 1, 2011 by Rachel*

**VERY URGENT MATH(Formalizing Relations & Functions**

What is the domain of the function below? {(0,2), (3,1), (5,2), (8,4)}? (1point) Is the following relation a function? {(0.3, 0.6), (0.4, 0.8), (0.3,0.7), (0.5,0.5)} (1point)
*November 7, 2013 by Gabby*

**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.*

**french**

i want to learn this language. Please write some french sentences and also translate them into english. Please earlier, its very urgent.
*June 17, 2012 by edward*

**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*

**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*

**ENGLISH URGENT !!!!!!!**

What are good things to buy for a 17 year old boy that are not that expensive???? this is really urgent for a part of my english project..... pleeeeeeeeeeeeeeeeeeeese help!!!!!!!
*December 20, 2012 by Jules*

**Calculator problem-- urgent!!!**

Hi, I'm trying to graph the equation "y=3x" on my graphing calculator BUT the "x" is in exponential form-aka small and up to the right of the 3. How do I graph it? I know that you go to "y=" and then I typed a 3, but how do I get that little x? Thanks very much
*April 24, 2008 by Anonymous*

**French Cuisine (URGENT)**

I need to find 5 foods (dishes/meals) from before the french revolution. I've searched and can't find anything. Can someone help me please? Thank you very much
*March 7, 2009 by Larry*

**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*

**chemistery lab..urgent **

hi..can someone hwlp me out here on how we can calculate the moles of H2T(phthalic acid)?? its urgent for my lab this evening 1:00pm friday
*September 18, 2014 by marcus*

**College chemistry**

This is my first time taking chemistry and I am VERY VERY confused On the step involved to find out how many calories to warm 58mL of water from 10 degress C to 100 degress C and vaporize it at 100 degress C.
*September 3, 2010 by Eric*

**Quick Help (URGENT)**

1. What percentage of teen parents live in poverty? Is it 75 percent?? 2. How can you get HIV? Unprotected sex, anal, oral, !@#$%^&l. 3. What are the other methods of transmission of HIV? ??? Can someone check over my answers and help me with number 3? Thanks very much.
*October 5, 2009 by John*

**Spanish (URGENT)**

I'm learning about the irregular verbs "Conocer" and "Saber" The teacher told us how to differentiate between the two and when to use which. But I still find it very difficult to know when to use which one. Can anyone help? Are there any tricks or tips that will help? Muchas ...
*October 6, 2009 by Larry*

**chemistry**

In general, which reaction(forward, reverse, or neither) is favored if the value of K at a specified temperature is a. equal to 1? b. very small c. very large
*June 5, 2009 by kate*

**math VERY URGENT**

Mrs. Black has one begonia plant. If she buys two begonia plants each year for every one she has, how many will she have in four years? Please explain the answer.
*December 4, 2012 by Anonymous*

**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*

**Urgent 8th Grade Language Arts**

How is the word street used in the sentence below: Street cleaners can often be seen on our block in the very early morning. adjective*** adverb noun pronoun Am I right Ms.Sue?
*September 9, 2013 by Gabby*

**chemistry need help**

In general, which reaction(forward, reverse, or neither) is favored if the value of K at a specified temperature is a. equal to 1? b. very small c. very large
*June 3, 2009 by bob*

**Earth science..... help urgent**

hi can anyone help me? my problem is that i need to write a autobiography about the "LIFE CYCLE OF ROCKS". andf i have no idea how to start it.....plz help me....its urgent....give me some clues how to start !!!!
*December 17, 2008 by veronica*

**chemistry**

urgent help needed!!! what is .0966 rounded to 2 significant digits? and why?
*September 22, 2010 by Ana*

**Chemistry URGENT!!**

Which anions have the largest and smallest radii? Thank you!!
*October 10, 2014 by Ellie*

**Calculus URGENT test tonight**

Integral of: __1__ (sqrt(x)+1)^2 dx The answer is: 2ln abs(1+sqrt(x)) + 2(1+sqrt(X))^-1 +c I have no clue why that is! Please help. I used substitution and made u= sqrt(x)+1 but i don't know what happened along the way! Your first step was a good one. next, let u = sqrt x + 1 ...
*April 20, 2007 by Gabriela*

**chemistry**

A quick chem question reguarding acids and bases: The questions says: "a very strong acid has a very weak base. Critique this statement."
*May 19, 2011 by Miriam Wyman*

**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*

**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*