Saturday

April 19, 2014

April 19, 2014

Total # Posts: 513

**chemistry**

A backpacker carries 3.0L of white gas as fuel for her stove. How many pounds does the fuel add to her load? Assume the density of white gas to be .79 g/cm^3

**english III AP class questions**

Thanks (: I'll let you know if I survive!

**english III AP class questions**

Okay thank you!

**english III AP class questions**

So I've signed up for Ap this year. I was wondering, do the teachers expect us to know the meaning of terms such as: grammatical functions, rhetorical appeals, brevity, metonymy, and so on? We've been given a packet that gives a article we're supposed to analyze an...

**Calculus**

F (x ) = x^5 + 2x^3 + x − 1 a) What conditions must f (x ) satisfy in order to have an inverse function? Does is satisfy these conditions? why or why not? b)Without finding an explicit function for for f^-1(x), find f^-1(3) and (f^-1)'(3)

**English III ap HELP**

Ok thank you!

**English III ap HELP**

Yes, it might be in the book but I don't have it with me and we don't use it during class. I'll definitely take a look at it when I'm back in school. My teacher didn't give notes. I guess I'm not sure how my teacher wants me to answer the questions. I h...

**English III ap HELP**

So I don't understand how to answer many of these questions on this ap packet that my teacher gave me. I need a lot of help please. Some questions state: What is the effect of this word choice? What rhetorical appeal does the author use? What is the grammatical function of...

**english**

Awesome! That makes so much sense. Thank you!!

**english**

how do you determine the authority the author has as a writer in an essay/article/story?

**spanish dos**

What does this sentence mean? Buscar firmas. Trata de consequir una firma distinta para pregunta. It's for a worksheet

**English**

It would be, right? Because it's not concrete?

**English **

What type of figurative language does this statement represent (if it does at all): "Buried deep beneath the stories about executive bonuses..."

**English**

Okay thanks so much! You're always extremely helpful!

**English**

What is the type of figurative language for the statement "curating and preserving memories"?

**English III proofread and tips**

Sorry, just realized the second paragraph had a lot of punctuation errors. Here's a somewhat better version. Herbert rightly criticizes the way our generation has intellectually and economically grown in the wrong direction. Education is the foundation of a country. It eit...

**English III proofread and tips**

Hi its me again! Is it ok to ask for ya'll to proofread these summaries I'm submitting? If not, I'll stop but here's another one I've finished. New York Times Putting Our Brains on Hold August 6, 2010 By: Bob Herbert In his essay, Putting Our Brains on Hold...

**English III Proofread and tips (:**

Okay Thanks so much!! That really helped

**English III**

Hi it's me again! Could someone proofread this for me? Thanks so much! HOW ABOUT BETTER PARENTS? BY: Thomas L. Friedman In Thomas L. Friedman’s column “How About Better Parents” he discusses parent’s influence in their child’s education. He states ...

**English III**

thanks u so much! (:

**English III**

How would you discuss the style of an article or author? What words would you use?

**English III**

Okay! Thanks so much!

**English III**

Hello there! (: If someone could proofread this summary for me that would so great! In Bob Herbert’s column, “Tweet Less, Kiss More” he addresses the negative impact technology’s left on society today. He states how it affects focus, safety, and authenticit...

**American History**

Ok! Thanks so much!

**American History**

Sorry about that.I mean were the Jeffersonian-Republicans views and beliefs considered better than the Federalists Party views to Americans in the 1800s?

**American History**

So were the Federalists considered the lesser party in contrast to the Jeffersonian-Republicans? What were the differences in their views?

**math**

What is the definition of the slope of a curve at a point x=a? Formal definition of a derivative? or slope between two points?

**math/calculus**

Under what conditions can you extend a function f(x) to be continuous at a point x=c? Is this just rules for continuity or am I just really confused? If not what is this question asking?

**Chemistry**

How would you go about solving an equation like this when all they give you is a equilibrium equation?: Given the standard free energies of formation in Appendix B in the textbook, what is the value of E ^\circ for the cell reaction?

**Chemistry**

How would you go about solving an equation like this when all they give you is a equilibrium equation?: Given the standard free energies of formation in Appendix B in the textbook, what is the value of E ^\circ for the cell reaction?

**double negatives**

That cod ain't got no spots. That has double negatives in it.Good one isn't it.Well I think it's good anyway what do you think?

**child psychology**

Issues and Debates: Early vs Late learning What experiences are most important in development; those that occur early in life or later in development? Have any of you had experience more recently that have been influential in your development?

**Chemistry**

Would water-insoluble alcohols, like 1-octanol, be soluble in aqueuous NaOH?

**6th grade math**

Please check to make sure I did these correctly, so confusing. Thank you. Rename each fraction as a terminating or repeating decimal 13/20 .65 1/3 0.3333333333333333 2/9 0.2222222222222222 5/12 0.4166666666666667 1/16 0.0625 Rename each mixed number as a terminating or repeati...

**algebra**

If you need 3 pounds of fertilizer for 100 square feet of soil, how much do you need for 4 sq.ft.; 6 sq.ft.; 8 sq.ft.?

**Algebra**

Explain the ways to factor ax^2+bx+c=0 and show examples. Thanks!

**math**

If a 4'x4' area equals 20% of the whole what is the size of the whole?

**Spanish**

Please could somebody explain the difference between tan como and tanto como?

**algebra**

Determine the x-intercept and y-intercept of 3x - 6y = 12.(Points : 2) (9, 0) and (0, -3) (4, 0) and (0, -2) (-4, 0) and (0, 4)

**physics**

Three charged particles are placed at the corners of an equilateral triangle of side d = 1.40 m (Fig. 16-53). The charges are Q1 = +4.0 µC, Q2 = -7.0 µC, and Q3 = -6.0 µC. Calculate the magnitude and direction of the net force on each due to the other two.

**physics**

You have three identical charged spheres, each with a charge of 2.80 µC. You have arranged them so they are each at the corners of a square that measures 4m on a side. Find the magnitude of the electric field at the "empty" corner. (The corner with no charged s...

**physics**

You have three identical charged spheres, each with a charge of 2.80 µC. You have arranged them so they are each at the corners of a square that measures 4m on a side. Find the magnitude of the electric field at the "empty" corner. (The corner with no charged s...

**Physics**

Directly below on the floor is a stationary 428-Hz source of sound. The microphone vibrates up and down in simple harmonic motion with a period of 2.3 s. The difference between the maximum and minimum sound frequencies detected by the microphone is 2.2 Hz. Ignoring any reflect...

**trig**

I don't know to find the derivative of the following trig functions. Please help. f(x)= cotx h(x)= secx i(x)= cscx

**trig**

I don't know to find the derivative of the following trig functions. Please help. f(x)= cotx h(x0= secx i(x)= cscx

**calculus**

Plain θ miles

**calculus**

An airplane flies at an altitude of 5mies toward a point directly over an observer. The speed of the plain is 600 miles per hour. Find the rate at which the angle of elevation thetha is changing when the angle is 75 degrees. Please help with this question.

**Geometry Question (multiple choice)!**

The isosceles trapezoid is part of an isosceles triangle with a 34° vertex angle. What is the measure of an acute base angle of the trapezoid? Of an obtuse angle? 73°; 107° 34°; 146° 73°; 146° 34°; 107° Thank you =) :) ;)

**math**

37 + (-12) =

**Materials Degradation**

1) With reference to electrochemical corrosion, explain the following phenomena: i) Anodic Polarization ii) Cathodic Polarization 2) What are two degradation mechanisms that are the responsible for the loss in molecular weight of polymeric materials?

**physics**

yep and then you do the sqrt( -29.9^2 +98.2^2) to get the velocity

**physics**

The velocity of an airplane with respect to the ground is 200 m/s at an angle of 30 degrees NORTH of EAST. The velocity of the airplane with respect to the air is 150 m/s at an angle of 60 degrees NORTH of EAST. What is the velocity of the air with respect to the ground?

**PreAlgebra**

A scale drawing of a town park has a scale of 1 inch : 100 feet. What is the actual length for each 1 foot on the drawing? Thanks!

**Physics **

What type of reaction is CS2(g)+O2(g)= CO2(g)+S2O4(aq)+HEAT? A) Synthesis B) Decomposition C) Single Replacement D) Double Replacement E) Combustion F) Redox Reaction Thank You ^_^/ I really appreciate it!

**chem 121**

Iron and oxide react to form iron(lll) oxide: 4Fe(s) + 3O2(g)+ 2FeO2(s) Determine the limiting reactant in each of the following mixtures of reactants: 2.0 moles of Fe and 6.0 moles of O2

**Materials Engineering**

Can someone please tell me what material is used for the an electric window switch (the part that the driver presses)?

**Physics**

In Figure 10-20, the magnitude of the force necessary to stretch a spring is plotted against the distance the spring is stretched. Figure 10-20 (a) Calculate the slope of the graph, k, and show that F = kd, where k = 25 N/m. (b) Find the amount of work done in stretching the s...

**Chemistry 121**

What is the lewis dot structure of C2H5F?

**math riddles**

what was the truck driver doing with a load of hogs?

**math riddles**

b vc

**math riddles**

what was the truck driver doing with a load of hogs?

**Geometry**

Find the distance between points (-2,1) and (1,5) When finding the distance between these 2 points would you subtract 1-(-2) or -2-1? The same question with the other one as well.

**6th grade math**

I dont get what you said at the end.

**6th grade math**

Estamate each sum or diffrence by rounding to the greatest place value. 998,927-100,724 would the answer be 1,000,000-100,000=900,000 Thank you for helping me on my homework!

**6th grade math**

what does it round to then? is it 100,000?

**6th grade math**

Estamate each sum or diffrence by rounding to the greatest place value. 998,927-100,724 would the answer be 1,000,000-200,000=800,000 :)

**6th grade math**

what kind of tuter puts lol?

**6th grade math**

IS THAT TRUE??????????

**6th grade math**

LOL

**6th grade math**

who r u?

**6th grade math**

Estamate the sum or diffrence by rounding to the greatest place value. 639,069+283,136 Would it be 600,000+300,000=900,000

**6th gr,ade math**

Estimate each sum or difference by rounding to the greatst place value. 38,347+17,039 would it be 40,000+20,000=60,000

**6th Grade Math**

Estimate each sum or difference by rounding to the greatest place value. 10,982+4,821= should the answer be... 11,000+5,000=16,000 or 10,000+5,000=15,000

**Economics/ Free Enterprise**

I'll definitely try getting straight to the point now (:

**Economics/ Free Enterprise**

Haha I know! But it seems that I never type in the right stuff that'll come with answers I can understand (: This website is so much more helpful.

**Economics/ Free Enterprise**

Thank you!!!

**Economics/ Free Enterprise**

What does thinking at the margin mean? Also what is the purpose of a decision grid?

**Science **

Were can i find a coloured diagram of a aluminum-nickel electrochemical cell?

**english**

what does earth look like,sounds like,taste like,smell like,feel like...

**english**

any planet would be ok... how can i describe a planet trying to use the 5 senses?...

**english**

describe the surface of a planet using the 5 senses (year 7)....

**chemistry**

this does not give the answer

**chemistry**

is there any way i can see an answer for this.. i have it as an a level chemistry question and im either having a mental block... or totallyyy dont get it ?

**science**

A block of mass 0.5 kg is pushed a distance x against a spring with k=450 N/m. When released the block slides along a frictionless horizontal surface to a point B, the bottom of a vertical circular track of radius R=1 meter. The track is not smooth. When the block reaches poin...

**history**

who was john ball and his conection to the peasents.data...

**history**

Thank You....

**history**

who was john ball and his connection to the peasants data (1381)....

**calculus**

Sorry to post this again, but I am still unable to understand it and need help. Please help.1) Using 3(x-3)(x^2-6x+23)^2 as the answer to differentiating f(x)=(x^2-6x+23)^3/2, which I have been able to do, I need to find the general solution of the differential equation dy/dx=...

**Maths**

How can answer this question ,help please? Information: A ship travels at a constant speed of 25 kilometres per hour (Kph) in a straight line from port A located at position (x_A, y_A) =(-100, -100) to port B at (x_B ,y_B )=(300 ,100) During its journey ,the ship passes two li...

**Maths**

Find the particular solution of the differential equation from: dy/dx = 2/27(x-3)ã(x^2-6x+23) / (y) (y>0. For which y=2 when x =1, and then give this particular solution in explicit form. regards Claire

**Maths**

Hi Please can you help? Really sorry for repeating the question but I wrote it incorrect before. Find the particular solution of the differential equation from dy/dx=2/27(x-3)ã(x^2-6x+23) / (y) (y>0. for which y = 2 when x = 1, and then give this particular sol...

**maths**

Hi Please can you help? Find the particular solution of the differential equation from dy/dx=2/27(x-3)ã(x^2-6x+23) / (y) (y>0. for which y = 2 when x = 1, and then give this particular solution in explicit form? thank you in advance for any help regards Claire

**maths**

Hi Please can you help Find the particular solution of the differential equation from f(x)=(x^2-6x+23)^(3/2)for which y=2 when x = 1, and then give this particular solution in explicit form? Am I correct that the following is the explicit form (not confident). 2^2=(4/81)(1^2-6...

**maths**

Looking for some guidance please, I need to find the initial-value problem for dy/dx = 1+2cos^2x / y. y = 1 when x = 0. any help is much appricated

**science**

answer please

**science**

also one of the tyres has a slow puncture and the air pressure in the tyre falls. what happens to the area of tyre in contact with the road?

**science**

john has a bike when john gets on the bike, the force on each tyre increases. what happens to the area of tyre in contact with the road?

**maths**

Hi Looking for some guidance please, I need to find the initial-value problem for dy/dx = 1+2cos^2x / y. y = 1 when x = 0. any help is much appricated regards CLAIRE

**maths**

Hi Can anyone help please: Suppose that the births of boys and girls can be modelled by rollling a fair die with 27 faces, 14 of which represent a boy and 13 represent a girl. 1. Using this model, choose the option that is closest to the probability that a couple who continue ...

**mah**

factorise (5+9x-2x^2)/ ((x^2-6x+23)^ (5/2))

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