Sunday

April 20, 2014

April 20, 2014

Total # Posts: 1,022

**ENERGY**

WHAT HAPPEN WHEN A CANLE IS AIGHT

**Biology**

Ok i have three questions that i can't find anywhere... 1. Carbon dioxide and water are excreted here during exhalation. 2. Structures in the skin which excrete water. salts, and some urea. 3. Removes toxic substances from the blood and converts excess amino acids to urea....

**History**

what caused starvation of germans during world war 1

**english**

what did the line "this was the most unkindest cut of all" reveal about julius caesar?

**chemical bonding**

what are the four factors that influence chemical bonding?

**chemistry**

How do I solve this question using dimensional analysis? An auto engine has a displacement of 1.6 liters. What is it in cubic cent. and in cubic in.? What is dimensional analysis and how to I convert liters into cubic cent. and cubic in.?

**science**

all the parts are involved but certain parts make it more wataganlistic

**Science**

no im soo confused i need help wanna

**Algebra**

on a canoe trip, Rita paddled upstream (against the current) at an average speed of 2 mi/hr relative to the riverbank. on the return trip downstream (with the current), her average speed was 3 mi/hr. find rita's paddling speed in still water and the speed of the river'...

**Algebra**

suppose you invest $1500 in equipment to put pictures on t-shirts. you buy each t-shirt for $3. after you have placed the picture on a shirt, you sell it for $20. how many t-shirts must you sell to break even? dealing w/- subst. and elimin.

**Algebra**

Your teacher is giving you a test worth 100 points containing 40 questions. There are 2-point and 4-point questions on the test. How many of each type are there. dealing w/-subst. and elimin.

**Algebra**

An airplane traveled 1092 miles with a tailwind, turned around and returned 1092 miles against the same wind to its starting point. The trip with the wind took 6hrs and the return flight against the wind took 8hrs. Find the speed of the plane and the wind. dealing w/- subst. a...

**Algebra**

thanks! its just really confuses me how to set up the different types of story problems.

**Algebra**

Your cable television company offers two plans: basic service with one movie channel for $35 or basic with two movie channels for $45. What is the charge for basic cable and for a movie channel? dealing- subs. and elimin.

**Algebra**

A chemist needs to mix a slution containing 30% insecticide with a solution containg 50% insecticide to make 200L of a solution that 42% insecticide. How much of each solution should she use? dealing with- graphing, subst., and elimin.

**Algebra**

your supposed to solve my graphine. subsitution or elimination

**Algebra**

ok this is really confusing me 1. Leo held a garade sale. He priced all the items at a dim or a quarter. His sales totaled $23.95 for 139 coins. How many dimes and quarters did he have?

**science**

what formula for figuring the change in heat energy from specific heats of various substances?

**sci**

Explain the four factors that produce changes in population size.

**social studies**

what are the impacts of industrialization on the world

**sci**

Although most salamanders have four legs, the aquatics salamander shown below resembles an eel. It locks hind limbs and has very tiny forelimbs. propose a hypothesis to explain how limbless salamanders evolved according to Darwin's theory of natural selection.

**chemistry**

write out the reaction, predicting products where applicable. Zinc metal is added to a solution of copper(II) sulfate. Copper metal is produced and zinc sulfate is left in solution.

**math**

how many licks does it take to get to the center of a tootsie pop?

**social studies**

tax

**SPELLING PLEASE help**

We think it's slimmer no offence Micheal but thank you anyways WE LOVE YOU ROCK ON NEW YORK CITY!!!!!!

**SPELLING PLEASE help**

Thank you SO SO much!!!! Signed, Amber and Alyson

**SPELLING PLEASE help**

the prob is: middle : center :: thinner : s _ _ _ _er

**Spelling**

ty ty ty

**Spelling**

ty bob

**Spelling**

k so what i cant figure out is Not simple but c _ m _ l _ _ Not uknown but f_ _ _ _ _ Not the base of the mountain, but the _ _ m m _ _

**Spelling**

I also cannot figure out Not uknown but f_ _ _ _ _ Not the base of the mountain, but the _ _ m m _ _

**Spelling**

I am doing opposites and I cannot figure this one out Not sumple, but c_m_l__

**trigiometry**

what is the basic unit in trigiometry

**history**

How were ehtnic groups in the Central African region distinguished?

**History**

Why were the swahili traders in teh east a threat to King Leopold's Congo?

**History**

explain how the European desire for profit affected the people of the Congo.

**Math**

number models

**CONTEMPORARY BUSINESS COMMUNICATION**

whats the difference to an informative email vs a positive email?

**Math**

hi I need some help trying to get the factors of 120 and 210 can you help me? And i need some help bad in divison can you help with that to?

**Social Studies**

Thanks, its so hard to find good information thats actually true!

**Social Studies**

Does anyone know any good websites where I could find information on the Concentration Camps in Europe during WW2? Thanks

**7 words beginning with Out**

What are 7 words beginning with out

**Religion**

What do catholics do to live up to their name as "catholic"?

**4th grade math**

Nancy had 23 books > her Dad bought some books and gave Nancy all but three of them... Expression please?

**4th grade math**

Susan had 24 stamps. She used some of them to mail letters. How do I write an expression from that?

**mathematics 1**

27/96?...idk =/

**Physics**

If a 20 kg object fell to the surface of the Earth from a height of 30m, what would its final velocity be? (work this problem from the energy standpoint.) Should you get the same answer as you did in question 3? how do you work out this problem?

**History**

Who were the Civil War's Unsung Heroes?

**math**

is (-1, 5) a soultion for each system? x + y = 4 x=-1 can someone please explain how to solve this? thanks.

**history**

The first humans who migrated to North America came on what?

**written communication**

Speak with clarity, be organized, deliver a good amount of your particular information, you are on point without straying from the message and that's all I know.

**communication**

What kinds of unwanted reactions might you encounter when trying to convince the business committee to accept your proposal for a new service?

**Infant and toddler**

You can also enrich them by reading books(make sur to have books that have BIG letters and sound them out)Listening to a variety of music is a good alternative too (such as Polka, Opera, Jazz, New World would probably put them to sleep ha.)

**Infant and toddler**

Types of infant/toddler centers teach these activites. Search online for them to see what hospital or doctor's office is close by you.

**Physical Science**

Thank you so very much

**Physical Science**

It would be 2 because 2x2 is 4..which equals the total number of the coefficient on the left. So the coefficients on the right have to equal the total numbers of coefficients on the left?

**Physical Science**

There are 2 H atoms on the right. Now we have to balance them. Do we add a 4 by the H?

**Physical Science**

Oh.

**Physical Science**

I see 1 N on the right. So it is unbalanced.

**Physical Science**

I see 1 N on the left. And then on the right side, I see N2 so I put a '2' by the N on the left.

**Physical Science**

Yeah, easy for you to say! ;( NH4NO3-->N2O+H2O 2N 2(H4)2?NO3-->2NO+H2O I tend to overthink a lot...I make it harder than it seems.

**Physical Science**

Oh thank you! You were a bunch of help.

**Physical Science**

I have no idea then.. I'm lost.

**Physical Science**

So would HNO3 become 3HNO?

**Physical Science**

Pb(NO3)2+HCl-->PbCl2+HNO3 Pb(NO3)2+2HCl-->PbCl2+HNO3 I'm not sure. Long ones are a bit more difficult.

**Physical Science**

Balancing Equations Al+N2-->AlN NH4NO3-->N2O+H2O Pb(NO3)2+HCl-->PbCl2+HNO3

**9-11**

A new building will be finished by year 2012 in place of the World Trade Center.

**Academic Decathlon**

What were the number of Union states in 1860?

**Math**

What do these two math words mean? Isosceles= Scalene= Help!!! Plz and ty

**Keyboarding**

Well I suppose not.

**Keyboarding**

Is there any technic to do keyboarding without all the mess ups so I can get a better grade?

**Math**

Thank you very much.

**Math**

Okay I am stuck on a problem: What do you call the numbers that cannot be arranged into 2-row arrays?

**Algebra**

How Do I Get The Answer For -3(x+4)=7(2x-5) ?

**theater arts**

whats comes in a career circle

**English Grammer- Punctuation**

Some of these sentances are really a mess and Grammer is not my strong point. How would I write them correctly and please explain why? 1.The goose bit the mailman on the leg. 2.With five gallons of gas. 3.Because the store was closed. 4.For the seventh time. 5.The rainbow stre...

**math**

how would I write 145% as a fraction? it would be 145/1000 could you by any chance help me with my question it is between luke and dogauls question thanks Julie is incorrect 145/100 reduce to 29/20

**Math**

say you have 4/13 and the decimal equivalent to it is 30.76923 how do I round 3 decimal places? you round 2 da thousandths. For example since the decimal u hav is 30.76923, round it to the last three numbers after the decimal point. So 30.76923 would be 30.769. It would remain...

**Proportions**

Am I doing this correctly and is the answer right? Assuming 1 hour of running in plsce burns 650 cal/h if a person ran in place for 15 min.'s how many calories would be burned? 650/1 * 1/4= 325/2=162.5 calories burned every 15 min.'s 650/1 = x/.25 will give the same an...

**5th Grade science cells**

,ml;kjpiosf

**Math**

Expand each logarithm. log 7(3x-2)^2 log(3xyz)^2 Thanks in advance. One. log7(3x-2)^2= log7 + 2 log (3x-2)

**SPORTS PHYSICS**

How does friction, velocity, and acceleration apply to volleyball? -thanks a lot if u help! <3AMBER Think of what happens when your hand comes in contact with the ball. Why doesn't your hand just slip off the ball? Consider changes of direction and speed of the ball. Th...

**Physics**

you have to find the deltaV for the water, then the deltaV for the pyrex beaker, then subtract the two.

**physics**

An astronaut is in space at the midpoint between two stars of equal mass. Everything else is infinetly far away. What is the weight of the astronaut? Explain your answer. The attraction to each of the stars is equal, but opposite direction. Weight is the net force of attraction.

**Civics**

which president got stuck in the bathtub? is he dead or alive? Thank you for using the Jiskha Homework Help Forum. This is a trivia question! http://www.classroomhelp.com/lessons/Presidents/taft.html He was born in 1857 and died at 72 years of age in 1930. But he lived through...

**Physics- drwls please help**

I had this prob with different numbers. it wants the answer in scientific notation. mine was 6.5E-3

**Math**

Why is this problem 37,1% correct. Sam scored 45 points againd Memphis in an NBA game. He made 13 of 37 shots what was his shooting percentage? Multiple choice test. 37% 37.4% 37.1% 37.3%

**Williamsburg**

Kobe Bryant scored 62 points against the Dallas Mavericks in an NBA game. He made 17 of 29 shots. What is his shooting percentage? The answer should be 17%. How do you get that? I have calculated the answer to be 58.6%. the score was 17 out of 29, so 17 is divided by 29 to giv...

**multiplying fraction**

ok my homework on here is talking about multiplaying negative and positive fractions...I REALLY NEED HELP!!!!the equation is 5/12 x -8/5 =?? i do understand any of it!plz hlp as soon as you can

**Math! Help! Help! Help!**

Hello a compound with: density of: .80 g/cm^(3) volume of: 1ML what is the mass? How do you conver this? mass = volume x density solve for mass volume = 1 mL = 1 cc = 1 cm^3 density = 0.8 g/cc plug and chug Post your work if you don't understand this and tell us exactly wh...

**7th grade math**

what is the equivalent expressin of 7(5x) 35x ? 35x

**SCIENCE**

HOW DO YOU REMEMBER WHICH GENES ARE WHICH! What do you mean which genes are which? There are thousands of genes and it all depends on the organism.... What kind of genes? human genes? plant genes? Go to www.google.com and type in "gene mnemonic" without the quotation...

**Physics, please help**

Hello, I don't know how about to answering this question: work out the problem of a ball of mass m that falls a distance h from rest. It hits the floor and rebounds to its starting height. (a) What total time ie required for the motion? (Neglect the time of contact with th...

**science**

i think youre rumessa is black and shes a show-off and she thinks shes it shes bob boys batter her up she is stupid

**science**

same here i havent got a clue wat to put!

**geometry**

How many diangonals are there in a hexagon? Is there a simple formula for this? I think I am doing this the hard way. Thank you! Three diagonals per vertex. There are six vertexs. However, each diagonal has two ends (vertexes), so divide the number by two. Using exactly 4-4...

**Biology**

Well for one captive born animals do not know how to survive in the wild, in order for reintroduction to the wild the an must know how to survive, forage for food be excepted by a family if the animal lives with others there so many difficulties.

**Biology**

Evaluate the difficulties with reintroduction programs using captive-born animals. thanks, Amber I have no idea

**U.S History**

Theres a few questions i have... 1. The first two battles of the Revolutionary war were at _________ and _______ . 2. All other states modeled their declaration after ___________. 3. Each new state could give their grievances by writing a ___________. 4. Unaware that a peace t...

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