Rachel

This page lists questions and answers that were posted by visitors named Rachel.

Questions

The following questions were asked by visitors named Rachel.

For summer work i have to make a notes summary of each required book ive read..the problem is ive never heard or even seen a notes summary before and i am a visual learner can someone please send me an example of one or at least a format of how its done?...

Can anyone answer this question which is in a form of a fraction? Simplify: 8x^2+20x-12/8x^2-2 Thanks What does this expression equal? What do you mean by the word "answer"? Did you mean to type 8x^2+20x-12/(8x^2-2)=0 ? the answer is: 2(x+3)/2x+1 ) In an...

Quadrilateral JKLM is a rhombus. If mangleLMK = 36, find mangleKJM In the right triangle ABC, mangleB = 90, AB = 5, and AC= 12. Find BC. Round to the nearest tenth, if necessary. Help? Is AB a side and AC a side? I can't tell from your description which a...

I'm stuck and am hoping you can help. Here is the problem: You react 7.92 grams of silver nitrate, AgNO3(aq), with an excess of sodium chloride, NaCl(aq). How many grams of silver chloride, AgCl(s), will precipitate from the solution? Any help would be ap...

What exactly is political culutre? http://www.answers.com/political%20culture =)

Hi I was wondering if anybody could explain what "winged words" are in terms of the Odyssey? Thanks. Thank you for using the Jiskha Homework Help Forum. Here is the definition from allwords.com Definitions winged words plural noun 1. literary: Meaningful...

2. The line y = 4x - 7 crosses the y axis at: a.(4, 0) b.(0, 4) c.(-7, 0) d.(0, -7) Set y=0 and solve for x You can automaticallly elimintae b. and d. because y has to be 0 when the line crosses the y-axis. Something seems to be wrong with your other choi...

"Given: An aqueous solution of C6H12O6 with a density of 1.18 g/ml" I) Calculate Molarity 1) It firsts asks me to, "State the moles of solute" 2) Calculate the mass of the solute in grams - I think I can do this if I know how to get #1 3) Later it also as...

Hello! I'm hoping you can please help me with this! I left my book at school (I thought I'd left it in my backpack all day to bring home), and I'm in desperate need of your help because I have a test tomorrow. "Answer the following questions, which refer...

Not sure if anyone can help, since it's due todayy, but I need a term. What is the term for this? A biologist who desribes, names and classifies organisms? Help would be great. Taxonomist

I know how to find half-lives, but I have trouble finding the length of time it would take for the concrentration of X to decrease to Y% of its initial value. For example, this is one of the problems: Methyl isocyanide, CH3NC, isomerizes when heated to gi...

Hello! I need help with knowing how to find certain data in the L3 and L4 columns using my calculator and plotting the graph to know which order the reaction is. I know you go to stats then to edit, and you put in the given info into L1 and L2. After that...

A bungee jumper leaps from the top of a building that is 420 feet tall and falls at an average rate of 95 feet per second. at the time of the jump, the elevator is at a height of 130 feet and rising at a rate of 3.6 feet per second. about how many seconds...

I am interested in doing a science project on the math and science of different snowboarding tricks and techniques. Does anyone have advice and suggestions about how to do a project like this?? Please help! Very Urgent! Well you could do a nu,ber of diffe...

What are the multiples of 27? any number that can be divided by 27 9 , 3, 27 and 1

I have this question on a homework assignment and I am confused! It is not wise to rely on the__________ to determine whether a stereotype exsists in a book. (Here are the choices the assignment gives me to complete the sentence) A. title B. illustrations...

Simplify: 3/5 x 13.65 - 2/9 x 1.307 When I work this problem I get: 7.899555556 _ Would that be: 7.89 (or) _ 7.8995 The answer depends upon the order of operations, which must be clarified with parentheses and brackets. What you calculated is [(3/5) x 13....

I need some ideas for high school science projects. It doesnt really matter what field of science, but i would prefer chemistry, biology, or physics. Really Urgent! Thanks! What about a project on osmotic pressure. Put a salt solution inside a thistle tub...

f=p(c-1)-c(p-1) sOLVE FOR p f=pc-p-cp+c pc - cp = 0 So now we have f = -p+c Move "p" by itself. f-c = -p Now we multiply each side by -1 p = c-f Let's plug in values for f and c to check. We'll say: f=2 c=3 p=3-2 p=1 in this case. Now, let's plug in the s...

I need major help with this problem! especially with the first equation that is used... A buffer is prepared by adding 115 mL of 0.20M NH3 to 145 mL of .15M NH4NO3. What is the pH of the final solution? Use the Henderson-Hasslebalch equation.

Teacher observation and subjective analysis of children are: 1.similar and done in the same way. 2.different and should be done separately. 3.Easiest to do while supervising. I vote for # 2.

Use the following answers for questions 1 - 3. (A) F (B) S (C) Mg (D) Ar (E) Mn 3. Forms oxides that are common air pollutants and that yield acidic solution in water I think the answer to this one is B, but why is it B? I see how it would yield an acidic...

Use these answers for questions 4 - 7. (A) 1s2 2s22p5 3s23p5 (B) 1s2 2s22p6 3s23p6 (C) 1s2 2s22p62d10 3s23p6 (D) 1s2 2s22p6 3s23p63d5 (E) 1s2 2s22p6 3s23p63d3 4s2 4. An impossible electronic configuration 5. The ground-state configuration for the atoms of...

We did a lab for acid-base titrations, and I'm having trouble with my post lab questions because I had trouble with acid-base reactions and titrations in the first place! "Calculate the molar amounts of NaOH used in the reaction with the HCl solution and...

Hi, I posted yesterday with this lab question. "Calculate the molar amounts of NaOH used in the reaction with the HCl solution and with the HC2H3O2. I think I got the answer to that with the help that I received. I had 5 mL of HCl, and I was using .100 M...

I am having trouble with the balancing the oxidation-reduction equations that are in a basic solution. This is the first one that I'm doing that's in a basic solution, and I can't get it! I get everything right except I get 2H2O instead of one on the left...

Hi, I would like to know if I did this problem correctly. Your help would be greatly appreciated! "Chlorine, Cl2, is produced commercially by the electrolysis of aqueous sodium chloride. The anode reaction is 2Cl-(aq)---> Cl2(g) + 2e- How long will it tak...

Can you help with this question? As a caregiver of an infant, meaningful communication between you and the parent, gently introducing new parenting techniques, can sometimes be done lightly by which? A. "talking through the baby." B. waiting until the mot...

What is the relationship between the word assignment and the following sentence? "The noble elephant marched near Goshen, Indiana," said Sam's aunt. Please rephrase and repost. Your question is not clear. Thanks. =)

"Find the pH of the solution obtained when 32 mL of 0.087 M ethylamine is titrated to the equivalence point with 0.15 M HCl? Do I need to do a rice table for this problem? I'm having difficulty starting this problem... Thanks!

how do i do long division? This web site may help you. http://www.coolmath4kids.com/long-division/long-division-lesson-1.html dont listen to drbob222

I need to solve this with the substitution method. 3x + y = 6 3x + y = 3 Is it possible or is it a typo on the worksheet? I can't figure it out! Try the following very nice site: (Broken Link Removed)

What kinds of situations can moral hazard exist? Are there ways that the government reduces the amount of moral hazard? Thanks so much! RB This site may help you. http://en.wikipedia.org/wiki/Moral_hazard

How do you get P=12.4-4Qd to equal P=-2.6+2Qs? You have to find the equalibrium so you have to set Qd=Qs so I can't figure out how to get p in the equations and the equations to equal Qd & Qs.

P=12.4-4Qd How do you get P into this equation to make it Qd=12.4-4P?

If the demand curve is P=12.4-4Qd and the supply curve is P=-2.6+2Qs, What is the equilibrium price? What is the equilibrium quantity?

The question is: Scientists do their experimental tests more than once, so they can reduce the effects of chance errors. This is called conducting____________? 14 letters. Anyone know the answer?

Find the derivative of the quotients: y=4X/(X-3)

Find the derivative of the quotients: y=4X/(X-3) --What would (x-3) be?

Graph the supply and demand curves of Qd=500 - 2P and Qs = -100 + 3P

An investment under consideration has a payback of five years and a cost of $1,200. If the required return is 20 percent, what is the worst-case NPV?

If two angles are congruent, must their supplements be congruent? Thank you, anyone, in advance. c[=

13.7b-6.5=-2.3b+8.3

what chemical was used to embalm the organs?

whats material were Portrait Masks made out of?

what am I? I am a polygon and I have two right angles and one pair of parallel sides. Is it a rhombus? Please help.

well, if its not a rhombus or a trapezoid then.... what has two right angles and one pair of parallel sides?

True or false: The Reichstag refers to the legislative body or Congress in Germany. ??????????????????????????????????

Why can letters of a Polygon's name be used only once?

Anybody have a good essay topic for "Sir Gawain and The Green Knight". Thanks for the help!

okay i need to find a complamentry angle whos difference is 12 degrees

What is the only continent that traces of ancient human life have not been found?

Using literary elements, compare and contrast Abigail Adams' letter to her daughter with Jean de Crevecoeur's essay from Letters from an American Farmer.

The most extensive series of laws protecting labor were passed: A: by the federal government during the New Deal under Franklin D. Roosevelt B: by state legislatures before the Civil War C: by the federal government in recent years under John F. Kennedy

Name four broad categories of the Social Security Program and explain the purpose of each category.

What does a coast guard have to do with the study of geography?

Hi yall. I have been trying to write this paragraph on Christmas and I was just wondering if someone could read it and see if im totally off the mark....thanx yall La saison de Noël est mon temps favori de l'année. C’est une fête religieuse et il y a touj...

Hey again, i've made the corrects you suggested...and i was hoping you could proof read just to make sure i did them correctly...Thankz Noël La saison de Noël est l'époque de l'année que je préfère. C’est une fête religieuse et il y a toujours beaucoup d’...

Today unions (A) have generally experienced a tremendous increase in membership (B) have not succeeded in organizing any white-collar workers (C) are divided into two large organizations, the A.F.L. and the C.I.O. (D) have generally experienced a decline...

You are at the front of a floating canoe near a dock, you jump expecting to land on the dock, instead you land in the water. Explain this in terms of momentum conservation.

Two people who weigh the same climb a flight of stairs. The first person climbs the stairs in 30 s, while the second person climbs them in 40s. Which person does more work? Which uses more power?

How can I explain the angle sum theorem? and whats a good example for it?

Explaining the isosceles theorem. Explain why the SAS Inequality theorem is also called the Hinge theorem. the steps for Indirect Proofs and using an indirect proof with an algebraic problem.

A merchant in Kathmandu sells you a solid gold 1-kg statue for a very reasonable price. When you get home, you wonder whether you got taken, so you lower the statue into a container of water and measure the volume of displaced water. Show that for 1 kg of...

On a perfect day, you are hovering at low altitude in a hot-air balloon, accelerated neither upward or downward. The total wieght of the balloon, including its load and the hot air in it is 20,000N. Show that the volume of the displaced air is 1700 m3 (Hi...

After a car is driven for some distance, why does the air pressure in the tires increase?

A 0.6-g peanut is burned beneath 50 g of water, which increases in temperature from 22degreesC to 50 degreesc. What is the exact food value of the peanut? (Assuming a 40% efficiency)

On which temerature scale does the average kenetic energy of molecules double when the temperature double?

In your room are things such as tables, chairs and other people. Which of these things has a temperature lower than air? Greater than air? And equal to the temperature of air?

The heat of volcanoes and hot springs comes from trace amounts of radioactive minerals found in the Earth's interior. Why isn't the same rock at the Earth's surface warm?

Turn an incandescent lamp on and off quickly while you are standing near it. You feel it's heat, but you find when you touch the bulb that it is not hot. Explain why you felt the heat from the lamp?

What is the purpose of the layer of copper or aluminum on the bottom of a piece of stainless steel cookware?

There are three ways to cook popcorn, list them and relate hoe cooking popcorn is really an example of three ways heat can be tranferred.

What unit is represented by a. joule/coulomb b. coulomb/second c. watt/second

If every iron atom is a tiny magnet why aren't all iron materials themselves magnets?

What is the net magnetic force on a compass needle? By what mechanism does a compass needle line up with a magnetic feild?

When a car is moved into a painting chamber, a mist of paint is sprayed around it. When the body of the car is given a sudden electric charge and the mist of the paint is attracted to it, prsto the car is quickly and uniformly painted. What does the pheno...

A friend tell you that a refrigerator door beneath it's layer of white painted plastic, is made of aluminum. How could you check to see if this is true withoutscraping away the plastic?

Can someone please help me ! i don't know how to read a gel electrophoresis. thank you

Am I foiling this right? The problem is (x-5)^2 and I got x^2-10x-10. Is that right?

How do I complete the square for a quadratic equation? I'm not sure how to do it.

What is the net magnetic force on a compass needle?

The image of P(-1, 5) under a translation is P'(5, 7). What is the preimage of P? Could someone show me steps on how to do this problem, and the answer please? Thank you.

If we double the frequency of a vibrating object what happens to its period?

Why is an echo weaker than the original sound?

At the stand of a racetrack you notice smoke from the starters gun before you hear it fire Explain.

How does a Doppler effect aid police in detecting speeding motorist?

What kind of motion should you impact to the nozzle of a garden hose so that the resulting stream of water approximates a sine curve?

who sparked the 30 year's war?

In which of these cases does a ripe banana apear black, red light/green light or blue light? Why?

What prevents rainbows from being seen as complete circles?

What do radio wave and light have in commen? What is different about them?

How might warmer oceans accelerate global warming?

What happens to the pH of soda as it loses it's carbonation? Would it effect the taste? Why or why not?

Answers

The following answers were posted by visitors named Rachel.

I love Pre Alegbra but i don't get it

an artificial surfactant.... Google it! Its the right anwser!

a rectangle has two sets of parallel sides so it cant be that.

Do you mean Wikipedia? Try that one, I like using it.

Thank you, I haven't been thinking straight lately...

Le Noël La saison de Noël est mon temps favori de l'année. C’est une fête religieuse et il y a toujours beaucoup d’activités. Chaque année, je célèbre le Noël avec ma famille et ma famille étendue. L’année dernier pendant la saison de Noel, ma famille and...

La saison de Noël est mon temps favori de l'année. C’est une fête religieuse et il y a toujours beaucoup d’activités. Chaque année, je célèbre le Noël avec ma famille et ma famille étendue. L’année dernier pendant la saison de Noel, ma famille and moi, no...

THANK YOU SO MUCH..i will repost it when i have made the changes

thanks so much for your help :D

Hi, i hope i have correctly made the changes you suggested. I was hoping that you could just re-read it to make sure that i have made all the needed corrections. Thank you so much. :D Noël La saison de Noël est l'époque de l'année que je préfère. C’est un...

using a triangle to explain the theorem and giving a good example with one.

Given: 2x-3>7 Prove:x>5 Assume: x<5 or x=5 Using a table with several possibilities for x given that x<5 or x=5 x - 2x-3 1 = -1 2 = 1 3 = 4 4 = 5 5 = 7 It's a contradiction because then x<5 or when x>5, 2x-3< or = 7 So in both cases, the assumption leads...

Thank you drwls, you are a lifsaver!!

Your right sorry, it is watt-sec.

I still don't get it.

How do you know I have done no work? Maybe I am checking my results or maybe I just need to see how you get the results you get, I did not want to over write with everything I came up with so I just post the questions, sorry it will not happen again.

Thank you Kristi, I really appreciate your response.

this word unscrambled is a country. the word is "ENGLAND">"ANLDEGN"

That dosen`t solve the whole question though =(.

k thnx guys! =)

Thank you so much that was exactly what I was looking for :]

haha, that's fine one more question.. the king didn't follow the magna carta but the people did right? and then that led to the creation of the Bill of right so who created the Bill of rights?

instead of what?

The question is calculate the average kinetic energy of CH4 molecules in a sample of CH4 gas at 263K. What formula should i use when you say "use temp"

I need help with my homework........... this is the question........... Are monsoons a blessing or a curse for the subcontinent?

A bleeping sound came from his pocket it was his mobile phone signalling he would have to respond right away wouldnt he can you help me punctuate this sentence?

Go with number 3

The diffrence in your audiences religion is based on thier beliefs and how your explaining to them that you in a way are against them.The Jewish faith is one that is very strict and is not a strong supporter in women choosing their own destiny.Any other a...

If either contributory or comparative negligence doesn't exist anymore how would you be able to compare and contrast them?

Thank you so much for all your help.

compare in north america blacks and whites compare in latin america/carribean natives and foriegners and compare people or higher and lower status and compare free people to enslaved people

start by multiplying by the lowest common denominator (in this case 4), simplify, then solve. 4(x/2) + 4(x/4)= 1 4/2=2 and 4/4 =1, therefore: 2x + x = 1 3x = 1 (3x)/3 = 1/3 x= 1/3

I used the equation m1vf-m1vi=-m2vf+m2vi and got a velocity of 4.77m/s but that answer is incorrect. Am I not using the right formula for question (a)?

ok i figured out what I did wrong for the (a). I also found (b). But I cannot seem to get the right answer for the kinetic energy lost in the collision.

okay, but what is the start of that eq'n? It looks similar to Eg=Ek ?

pe= potential energy?

and how do i solve for x when it is on oth sides of the eq'n?

you lost be. k= 12 000 N/m where are you getting 1 or 10

Cost= $10.00 for the belt $33.00 for the socks ($3.00 x 11) $3.00 for shipping 10+33+3= $ __________

thanks for the help

i tried the technique that was posted on there, but the answer was wrong. and my answer is supposed to be in RPM.

can somebody explain how to do this problem without changing it to radians? the final answer has to be in rates per minute

i tried that, but i'm not getting the answer right i did disk momentum=Iw and boy momentum=m*rpm*2pi/60 then i set those two equal to each other and then changed the w back to rpm, but i'm not getting the right answer.

Possible answer: The acculturation that brings negative effects might involve Country A imposing its language, religion(s), methods of education, system of government, social customs, etc. upon Country B, despite the will of the people to retain their own...

Well, either way, was it true that if people gave names then they would be let off the hook?

You could say this: I cheat because I use a website on the internet to get the answers.

The lowest score the student could make on the last paper and still get an A is 97%. So all the test scores would be: 92, 83, 88, and 97.

Ok thanks for the update I'll be back on here later to check.

i'm writing the same essay basically and this really helped cos i have no idea what frankenstein is on about tbh, thanks! :)

No because similar objects are congruent. Congruent figures are the same size and the same shape.

Surface area and I was wrong it ='s 462.0

Oh okay. When i looked up i've got a theory i thought it was related to lyrics of a song or something else. But thanks

“I've got a theory that if you give 100 percent all of the time, somehow things will work out in the end.” by Larry Bird, im thinking if this is the quote related to perverse but im confused on what the quote is stating

Line of best fit

I'm sorry i didn't see this question posted, by accident i made the same question. I'm sorry once again.

Honeybees are asexual because not only do I check the websites for facts but also my textbook. thanks for the search engine but i wanted environmental conditions for asexual and sexual reproduction but i found some good websites. Thanks alot!!!

Okay, I get that. But I don't know where I would find these answers. Which is why I'm here asking you because honestly, I don't know them at all!

How many grams are in 2.7 mol of table salt, NaCl (molar mass of NaCl=58.44 g/mol)?

Yes, but none satisfy the problem.

I think it is between A or B.

a. 7.11% b. N = 10, PV = -985, PMT = 70, FV = 1000 YTM = 7.2157% = 7.22% c. N = 7, I/YR = 7.2157, PMT = 70, FV = 1000 PV = $988.46

Look up the word "culture."

Correction: I don't know when I'm supposed to add an extra e or ees. Can you give me examples. Thanks so much

I mean Is 2Ag+S the same as Ag2S? The 2nd 2 is supposedly a subscript

How do I figure out the final Fe?

Ok thank you so much for the help!! This is how I described the difference between them. Deviance-In a sociological context describes actions or behaviors that violate cultural norms including formally-enacted rules as well as informal violations of socia...

3/6 - 2/6 = 1/6

You use the formula: 1/2mv^2= 1/2kA^2

so the answer is x = 6 according to what you're saying? and the domain is the (h) in here correct? So in the future I just look for the h , take the opposite and that is my domain?

Ordinal. Data is classified into two types: qualitative (aka categorial) or quantitative. Within the qualitative types, there are ordinal (which is ordered data- common ex. is sm, md, lrg- just as in your question) or non-ordinal.

Oh! Okay, I'm familiar with R groups on amino acids etc.. The question just asks me to label the hybridization for each carbon and oxygen atom. So here's what I've got: The carbon atoms bonded to eachother are sp2 hybridized atoms. The carbon atoms bonded...

Okay, so I ended up with the expression: 1/2[4/3arctan(4(x^2+1/2)/3) Can you confirm this is correct before I use the fundamental theorem of calculus to determine the definite integral please.

That would be great if you could! I'm working on getting the correct indefinite as you have above, but when I get it it would be great to have something to check my definite integral with :)

What is centralization in education and what is decentralization in education. Is there a difference. Is one better than another?

Never mind, got it!!

where it says clyde- i meant claude

It is C 2 X (brother's age) + 3

To disinegrate due to mixing with a fluid

ok sir is the formula -(1/2)GmM/R

Thank you very much sir!

It's a story about a father recalling details of present day son and then reverts back to himself,his dad and his dad's dad and then back to present son-so that's why I eliminated "c" The story is at nexuslearningwebsite if you're looking for it online-we...

I put the website in the last response-I found it online for you-Thanks for any additional help you could provide

Here is the site-I found it again-it would the usual and then-nexuslearning and then Elements of Lit with underscores between them and then hyphen and Course5 Thank you for checking this-I really appreciate it

I just put as much of thewebsite above as I could-it wouldn't allow me to actually put the entire address in

Another way is to put in "Sons" by John Updike and then the nexuslearning site is listed in dogpile

The actual wording is "If something is dulce, one would probably want to drink lemonade or something sour" and I have to answer with a yes or no-That was the exact homework question-I thought it was odd so that's why I posted it

My sister also posted something today and when I went back to respond to you, I accidentally responded under her last response page-Sorry for the confusion Thanks again for all your help

I don't have an answer, that's the thing.

oh ok sir thank you. The thickness of the probe in the direction of B is 2.00 mm. Find the density of the charge carriers, each of which has charge of magnitude e). thank you again sir