Monday

July 28, 2014

July 28, 2014

Total # Posts: 654

**math**

7y-5+2y+7y-5+2y

**math**

a+2a+10-3a

**math**

x+x+5+2x+1

**social economics politics**

ok, i now see your previous responses.

**social economics politics**

What are the various methods of maintaining peace and unity in binational, multinational, and multiethnic states? What are the strengths and weaknesses of each method?

**social economics politics**

What are the various methods of maintaining peace and unity in binational, multinational, and multiethnic states? What are the strengths and weaknesses of each method?

**Chemistry - Urgent**

ahhh, I get it now. thanks a lot, I actually did learn how to do it now, believe it or not.

**Chemistry - Urgent**

Is there anyway you could work this one out for me and explain what you did? I would probably learn a lot better than all of this reasoning and proportions. It's greatly appreciated.

**Chemistry - Urgent**

Totally lost.

**Chemistry - Urgent**

Ok, I got that, but what do I do with the 3.16 ×10^23?

**Chemistry - Urgent**

Determine the mass of 3.16 ×1023 atoms Cl. Answer in units of g. How do you do this? Need to get it done really fast. Thanks for help.

**Chemistry**

thanks

**Chemistry**

so it would be 6.02 x 10^23 x 50? then whattt?

**social economics politics**

what are the various methods of maintaining peace and unity in binational, multinational, and multiethnic states? what are the strengths and weaknesses of each method?

**Science**

I can be three different states of matter, but not at the same time. I am necessary for life, but I can also destroy life. I can be under your feet, around your body, or over your haed. What am I?

**english**

Im a Danish student, and I've written this summary which I would like someone to correct. Thanks in advance! In the short story”Beyond the pale”, published in 1888, author Rudyard Kipling states via his narrator that one should stick to its caste. Trejago, who...

**math**

how do you write the math expression for the product of 82 and g

**Mathematics**

6/7 because 7/8 and 6/7

**science**

Nikki lives near the deepest ocean trench in the world.What country does she live in .

**science**

Name one land and ocean animal that migrate.

**Calculus**

plot it on a graph in your calculator. then see the number where the line continues to stay on for a y value. for example, lets say it will go up and down but when it hits x=4 the y value is 2 and every y value after that is 2, then the limit for infinity would be 2. also...fo...

**science**

Light.

**science**

I can travel where are no molecules,but never through a brick.I can travel through space,but never around a corner.What am I?

**Anatomy and Physiology**

Hi, i have to right a research paper about the origins and history of a cancer. I do not know where to find this information. We can choose any type of cancer, but i do not know where to find this information(who first diagnosed it, when was it first diagnosed)

**science**

Scientist do experimental tests more than once so they can reduce the chance of errors. This is called conducting what?

**Reading**

In the story Alexander Who Used To Be Rich Last Sunday what did Nicky tell him to do with his dollar?

**algebra**

if x equals 0,1,2,3 and y = 5,10,15,20 what is the pattern written as an equation--please help can't figure out this one

**social studies**

why were european nation competing for land

**math**

Consider the set of northwestern states or provinces {Montana, Washington, Idaho, Oregon, Alaska, British Columbia, Alberta}. If a person chooses one element, show that in three yes or no questions, we can determine the element. Your Solution Hints œ I want you to c...

**Physics**

Resolve a displacement of 700 cm into two components along direction lines that lie on opposite sides of the displacement and each of which makes an angle of 30° with the displacement. 404 cm and 478 cm 404 cm each 383 cm and 415 cm 415 cm each

**math...number sequence**

i need help with this partter n 1,2,5,7,11 give me numbers that follow the parttern

**Physical Science**

?????????????

**Calculus**

Our teacher told us that the fourth partial sum approximates the sum of the sequence 7n/(n^3+1). The fourth partial sum is also the error of the sequence and our teacher asks us to find a number X such that the error is less than X.

**Calculus**

Find a number X such that the error is less than X (The error is 14593/2340 for the sequence, 7n/(n^3+1). How would you start to solve this problem?

**12th grade**

Are you sure you wrote the question correctly? I do not understand how g which is a function of x is written as a function of t, and especially with the dt.

**Physics**

A gun that is spring-loaded shoots an object horizontally. The initial height of the gun is h=5 cm and the object lands 20 cm away. What is the gun's muzzle velocity? Do i use something like v=sqr(k)/m*x. am getting something like 3.2, is this somewhat correct at all.

**Physics**

A 32-u oxygen molecule (O2) moving in the +x direction at 580 m/s collides with an oxygen atom (mass 16 u) moving at 870 m/s at 27 degrees to the x axis. The particles stick together to form an ozone molecule. Find the velocity of the ozone. Express your answer in terms of the...

**Physics**

A 150g fircracker is thrown at 66km/h . It explodes in the air into two pieces, with a 42g piece continuing ahead at 93km/h.How much energy is gained in the explosion by the two pieces. I know you use k=1/2mv^2 though, do you use m1v1+m2v2=(m1+m2)vf I am getting something like...

**Physics**

Object A crashes into object B. A is more massive than B. Which is a true statement? a. A experiences an impulse b. B experiences an impulse c. Both A and B experience an impulse of equal magnitude d. Both A and B experience an impulse, but the impulse on B is greater I say C.

**Physcis**

Two trucks approach at the same speed and undergo an inelastic collision. Their total momentum? a. becomes zero b. remains unchanged c. doubles d. I need to know the masses of the two cars I say B.

**Physics**

Two rollerbladers throw a frisbie back and forth on a frictionless surface. Which does not change? a. Momentum of an individual rollerblader b. Momentum of the frisbie c. Momentum of the system consisting of the frisbie and rollerbladers throwing the ball d. Momentum of the sy...

**Calculus**

Find the force on a hollow dome that is 1000 feet in diameter, that is a mile below the surface. HOw large can the dome be expanded and not surpass 600 billion pounds. I know the height will be 500, and i think that the intergral is 5280 to 4780 int 64,000pih, I am not sure th...

**12th grade**

Area of the house to be painted = A Bill pains "B" area per hour John pains "J" area per hour So, A/B = 4 hours, and A/J = 7 hours => B = A/4 and J = a/7 B and J says how much area they can paint per hour. When both of them work together, assume it takes...

**Physics**

wHAT DO I DO WITH THESE VALUES THEN...

**Physics**

A 69 kg roller blader, is on a frictionless surface at rest, he then tosses a 4.0 kg rock that has a velocity given by v=3i+4jm/s, the axes are both in the horizontal plane. Find the x component and y component of the subsequent velocity of the roller blader? I think tis is a ...

**11th grade-Calculas**

dD/dt = A(2pi/365)*cos [(2pi/365)*(t-80)] =0 for maximum or minimum (2pi/365)*(t-80) = n*pi/2 when n=1 gives maximum , then (t-80) = 365/4, for minimum n = 3 and t-80 = 3*365/4 (3) = dD/dt = +2/60 (4) = dD/dt = -2/60

**5th grade math problem**

write each number in standard form thirtytwo million,tenthousand one

**CHEMISTRY**

thanks i didnt really get molarity either but my question is for molality.

**CHEMISTRY**

i dont really understand molality. I know that it is a big concept but could someone explain it a little. the question is how would you prepare a molality solution.

**history**

A. putting more money into circulation. The reason I know the answer is correct is because I just took a test and got that same exact question right!!! ;)

**Math**

If x is a natural number then,(x+5)/5=x+1

**Math**

If x is a natural number, then (x +4)^2 =x +16

**Math**

i got 14

**Algebra II**

How do I evaluate log base 8 of 4?

**Chem**

4.5 × 10−12 m

**English:writing memo**

Good example

**Science**

I need facts about coral reefs

**Poem: A Voice by Pat Mora**

what does the daughter feel about her dad fear, amusment, and love or what? etc......

**Poem: Hanging fire by Audre Lorde**

i think she has breast canswer

**Poem: Hanging fire by Audre Lorde**

i think she has breast canswer

**crt 205**

Over time, non-specialists are usually able to assimilate radically new scientific ideas, even though these ideas may seem strange when they are initially introduced. Such was the case with Newtonian physics; when Newton proposed his ideas regarding motion and gravitation in t...

**Technology**

For my final exam I must build a paper tower that stands at least 60+ inches. These are what I can use. -One sheet of paper (8.5x11) -Two feet of tape -Pencil -Ruler I can't seem to find the correct way to do this anywhere on the internet, so can I get some help here?

**conversion**

thanks but how would i show my work using dimensional analysis. like.. 11 L x ?/? = gal in that form

**conversion**

what is the easiest way to convert 11 liters to gallons

**social studies**

what is a government in which citizens rule through elected representatives?

**science**

because vibration causes noises and in an earthquake, there is a lot of vibraion

**MATH**

hmm...i need help on this problem, anyone know how to o this? (if u can, put a step-by-step solution) i would really be grateful. the coordinates of two points are A(-2,6) and B(9,3). find the coordinates of the point C on the X-axis so that AC=BC

**Pigskin Geography**

A game between two of the competing teams from bordering states might well be called the "Kudzu Klash". The game between which teams would deserve this title?

**Science**

how could you identify a pure metal if you have a balance, a graduated cylinder and a table of densities for metals?

**language arts**

can you please help me unscramble these words. nnreital cicnoflt reexatln ciclontf yucataid enruta

**HHHHEEELLLPPP**

what does abs mean

**HHHHEEELLLPPP**

thank you

**HHHHEEELLLPPP**

no it cant be the answer were suppose to have 2 answers

**Algebra 1**

were solving absolute value equations \can you help me out in 1 8-|3x-2|=3 i dont know if we distribute the negative or make it into -1 or its a no value something like that theirs no possible answer

**7th grade**

Jasmine's quarters total $2.80 more than her nickels, of which she has half as many as she has dimes, which total 80 cents more than her quarters.

**science**

what is velocity

**Social Studies**

Caused the isrealites to leave Canaan and go to egypt

**accounting**

Eric Sherm began working as a part-time waiter on April 1st, 2008 at Yard restuarant. The cash tips of 475 that he received during April were reported on form 4070, which he submitted to his employer on May 1st. During May, he was paid wages of 630.00 by the restuarant. Comput...

**Math**

Find the equation of the straight line joining a)(4, 4) and ( 2, 0) b)(3, -1), (5, 4) i also need to know how you went about solving this problem so i can understand.. many thanks

**Math - Factors**

i need help

**Math - Factors**

What are improper factors? How do we find improper factors for any given numbers?

**math**

2+45

**algebra**

suppose h i equals the number of points lindsey scored in the ieth basketball game so far this season, and h1=14, h2=12, h3=18, h4=14, h5=18, h6=19, h8=16 which expression represents the mean number of points scored per game. a)7 E hi i=1/7 b)8 E hi i=1/8 c) 1 E hi i=8/8 d) 8 ...

**science**

what does technological development have to do with the development of time zones

**Science**

Name a tool that you can use to measure the volume of an object.

**computer education**

false, has to be connected to the internet

**Science**

Name a tool that you can use to measure the circumference of an object.

**science**

Name a tool that is used to measure the circumference of an object and Name a tool that you can use to measure the volume of an object.

**science**

why is the electron the part of the atom that moves when an electric current flows?

**Math**

no

**Computer Science**

I have defined a microscopic verson of scheme that utilizes amb. I am currently using Dr. Scheme. This is my definition: (define (amb-eval s environment succeed fail) (cond ((not (pair? s)) (succeed (cond ((eq? s '#t) '#t) ((eq? s '()) '()) ((eq? s '#f) ...

**trig**

Find all angles of a right triangle RST given that r = 18cm and s=20 cm

**trig**

If a triangle has angles 35 and 65 degrees, what is the measurment of the third angle? Is it a right triangle?

**science**

at what speed did a plane fly if it traveled 1760 meters in 8 seconds

**math**

I do not see how Reiny went from: cosx(2sin^2x-1)/sinx TO (cosx/sinx)(-cos2x) if you break it up you get (cosx/sinx)((2sin^2x-1)/sinx) help im doing a take home exam lol

**science**

What is a maerial that was recently alive?

**Stoichiometry**

How much iron (II) sulfide would be needed to prepare 15L of hydrogen sulfide? My balanced equation is 2HCl + FeS --> H2S + FeCl2. I have converted 15L H2S to mols, but I have no idea where to go from here.

**Science**

what evidence would you look for in a chemical change

**math**

5 plus 5/10

**Algebra1**

ok thank you for all of your help

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