Wednesday
July 30, 2014

Posts by samantha


Total # Posts: 1,337

(8th)English, Research Project
I am researching C.S. Lewis, and I have to write a research paper on him. However, I don't know where to look for information on how he positively affected society. Even if I get the information, I am unsure about how to write the thesis statement.

math
Explain why 10-0=10 but 0 divided 10=0

math
Explain how you know that 45 divided 0 cannot be done.

HELP, Please, DUE TOMORROW!!!
It used to live in the southwestern United States. When it died, minerals replaced the wood fibers inside of it. What is it?

Math :(
thank you so much now i can turn it in with the right answer!!!!

Math :(
When football was played in Florence, Italy, in 1530, there were 30 more layers on the field than there are in football games in the United States today. How many players were on the field for each team in 1530?

SCIENCE!! YIKES!!
THANK YOU!!

SCIENCE!! YIKES!!
It used to live in the southwestern United States. When it died, minerals replaced the wood fibers inside of it. What is it?

Math
12.5% or 12 and a half%

Social Studies
Describe the political, social, economic conditions in the U.S in the 1800's

Chemistry
Determine the correct oxidation number assigned to carbon in CaCO3

geometry
can someone help me woth solving special segments in a circle?

History
Can you please explain these last two things for me. Thank You One way governments pay for war is to raise taxes (which in turn reduces civilian spending and investment). What does the part in the brackets mean? Most wars create zones of intense destruction of capital such as ...

History
what does least amount of read tape mean?

History
Can you please explain to me what these two things mean? I don't even have an idea. Thank you War generally induces patriotic citizens to work harder for less compensation. War also sometimes clears away outdated infrastructure and allows economy-wide rebuilding, generatin...

math
c+5=18 ----- -3 c=?

Math
k thanks

Math
see we done that and i get it but im still a bit confused try giving me a problem and i will figure it out.

Math
Could someone please explain to me how you get answers when you add a negative number to a negative number or a positive number to a positive number or a negative and positive number added together, because my teacher tried explaining it to me, but I'm completly lost. The ...

Math
thanks for your help.

Math
When you add a positive integer and a negative integer, you sometimes get a negative result and sometimes get a positive result. Is the same true when you multiply a positive integer and a negative integer?

Geography
Ok thanks.

Geography
well i thought latin america was only made up of one continent, plus my wordsearch only has three latters and the first letter begins with an O.

Geography
Its ok..haha...is there only one?

Geography
How many continents are in Latin America?

Geography
Country north of Central America. If you can help me out with this, it will be well appritiated thanks.

Geography
Thanks.

Geography
Well I'm doing a crossword puzzle for my class, and it has 6 letters and the first letter begins with a R and the fourth letter is an I...if that helps any.

Geography
Do you know what's Brazilian coastal city? If you can help me out with this, it will be well appritiated thanks.

Geography
Thank you very much I knew that was it haha.

Geography
is it peninsula?

Geography
Well, I'm doing a crossword puzzle for school and it has 9 letters, and the 5th latter is an N, if that helps any..

Geography
Type of landform between the Gulf of California and Pacific Ocean. If you can help me out with this, it will be well appritiated thanks.

Language Arts
_________ __________ help you "see" or "envision a play" (drama) you read. If you could help me out with this answer it will be well apriciated, thanks.

college math
one number is 8 more than twice another. their product is 8 more than twice their sum. find the numbers

Reading
What stinks when alive but smells good when dead?

Chemistry
How would you calculate delta H for the following reaction: 2P + 5Cl2 -> 2PCl5 Given: PCl3 + Cl2 -> PCl5 Delta H=-87.9 kJ 2P + 3Cl2 -> 2PCl3 Delta H=-574 kJ I have no clue how to do this since I was absent. Can someone help?

math
convert these decimals into common fractions 0,33

maths
help me simplify this 3/4*1/5*3/10 and 6 2/3 / 10/21

maths
how do i convert this decimal 5,2 into a common fraction

maths
how do i convert decimal fraction into common fraction

5th grade science
How much faster does sound travel through water than through air in one second?

Philosophy 130
What ought you to do for a pregnant woman who asks your help in getting to the hospital, according to your understanding of the main ethical theories, i.e. egoism, universal consequentialism(utilitariansim), and Kantian deontological theory? Suggested length: 2-4 paragraphs.

Chem
Some very effective rocket fuels are composed of lightweight liquids. The fuel composed of dimethylhydrazine (CH3)2N2H2 mixed with dinitrogen tetroxide was used to power the Lunar Lander in its missions to the moon. The two components react according to the following equation:...

General ?
What does non-profit faith based facility mean?

algebra
5.A) Kwame sells ice cream cones at the country fair. He has to rent the equipment for $29 and spend $0.43 on ingredients for each cone. How many ice cream cones must he sell at $1.10 each in order to make a profit? A)Wrie an inequality that represents how many ice cream cones...

French
Can someone check my letter? We had to write it even though not all students got their letters for some reason, so it is kind of short. Also, can someone tell me some ways to add the future tense and the subjunctive a little more? I want to show what I have learned since the l...

chemistry please
if i want to find the molarity of a solution that is: 5mL of a 3.521 x 10^-5 M solution, and filled to the 50mL line with ethanol, would this be: (3.521 x 10^-5)(.04L ethanol)?

French
How would you say 'hidden talents' in French? Would it be something like "Est-ce que tu as des talents caches?" (With the accent, I'm on a laptop and it won't let me type it"

Chemistry
Vinegar is 5% acetic acid. If the density of household vinegar is approximately 1.00 g/mL, how many grams of acetic acid are contained in 10.0 mL of vinegar? So I started out with 10.0 mL of HC2H3O2 then multiplied by 1.00g/1mL. What do I do next? Is it done there?

physics
Which is denser, ice at 0 degrees C or water at 4 degrees C? i know water is densest at 4 degrees C, but im not sure if ice is denser.

Science
During photosynthesis, plants produce something that humans need for survival. What is it?

Science
I am a large mass of frozen water. I can move rocks and boulders. I move very slowly, but i cause great changes on Earth. What am I?

Chemistry/Physics
yes but T is affected volume and pressure changes according to the ideal gas law

Chemistry/Physics
A Sample of gas is held at constant pressure in a cylinder moved by a closed piston. If the volume is halved, how will the new Vrms speed compare with the old one? a) square root of 2 times greater b) the same c) 2 times greater d) 4 times greater e) none i think its e because...

social studies
thank you

social studies
which of the following statements best describes kennedy's point of view? a.the only way that people can influence their government is by writing letters to their elected officials. b.you are not a citizen unless you vote. c.voting effects everyones future. d.government of...

algebra
Trains A and B are traveling in the same direction on parallel tracks. Train A is traveling at 100 mph and train B is traveling at 110 mph. Train A passes a station at 3:10 pm. If train B passes the same station at 3:40pm, at what time will train B catch train A? 4:30 pm I am ...

algebra
Thank you sooo much!

algebra
Amy paid $62.18 for shoes during a 15% off sale. What was the regular price? $71.51 is this correct?

algebra
On 3 consecutive passes, a football team gains 5 yards, loses 28 yards, and gains 41 yards. What number represents the total net yardage? 5-28+41 18

Algebra
I am having problems figuring out some of my word problems for this week. Could someone check these? The equation y=-1777x+27,153 can be used to predict the number of gun deaths in the U. S. x years after 2000, that is, x=0 corresponds to 2000, x=2, corresponds with 2002, x=5,...

math
yes so the answer would be 61 correct?

science-physics
All objects emit ______ radiation. Is it incident? The frequency of the radiation of most objects is a) below b) in the middle of c) greater than he frequency of the visibile light spectrum? I think its below as most objects can not be seen by visible light.

spanish
how do u say estoy in the yo form in the past

6th grade
I need help unscrambling these letters to form two words: inenidj tcain They go along with the phrase ______ _____and Persia.

math
A box contains 4 coins: a penny, a nickel, a dime, and a quarter. It costs a dime to reach in and take a coin. What is the expected value of this game?

spelling
grass:lawn::toss:? does anyone know the answer

Science
oh water thanks

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 head. What am I?

French
I had the duck story too :) We do these weekly but I like to get them checked when I do them in a hurry because I make twice as many mistakes! Merci Mme

French
Can someone check my paragraph please? Merci! It's about Thanksgiving :) Mes vacances sont passées assez ennuyeuses, alors j'ai inventé des nouvelles vacances! Le mercredi dernier, j'étais rentrée à la maison quand mes parents ont...

Physics
A uniform, spherical bowling ball of mass m and radius R is projected horizontally along the floor at an initial velocity v0 = 6.00 m/s. The ball is not rotating initially, so ω0 = 0. It picks up rotation due to (kinetic) friction as it initially slips along the ...

Math Check
Yes thanks so much!

Math Check
is the 2nd equation 2x + 2y = 112 I don't get 4... I'm sure the 1st equation is x+y = 110 but I can't figure out the 2nd.

Math Check
Are the equations for these questions right? 1) Erik has 2 part-time summer jobs. For Job 1 he gets $9/hr on weekdays and for Job 2 he gets $12/hr for weekends. Last week he worked 23 hours and he earned a total of $231. How many hours did he work on the weekend? 9x+12y = 231 ...

Math
Kris is starting a delivery business in Ottawa called Kris' Speedy Express. He charges $5, plus $1.50/kg to deliver a package throughout all of Ottawa including all outside communities. His competition, John's Same Day Deliveries charges $6 per delivery plus $1.00/kg. ...

Australian History
Can someone please tell me the punishments onboard the first fleet to Australia?

Physics please help
Given a simple pendulum of length r and mass m, determine the oscillation period T if the perturbation angle θ is very small (i.e. θ < 10degrees). How can I derive an equation for period using just that info?

Physics
Given a simple pendulum of length r and mass m, determine the oscillation period T if the perturbation angle θ is very small (i.e. θ < 10degrees). How can I derive an equation for period using just that info?

Physics
Given a simple pendulum of length r and mass m, determine the oscillation period T if the perturbation angle θ is very small (i.e. θ < 10degrees). How can I derive an equation for period using just that info?

Physics
Are you getting 5.28 J for the total energy?

Physics
Also for position I'm getting 0.145 when I use this equation => x = -.013 sin 34.6 t + .0640 cos 34.6 t

Physics
I don't get it. I'm getting x = 0. Is that supposed to be right?

Physics
A 215 g mass attached to a horizontal spring oscillates at a frequency of 5.50 Hz. At t=0s, the mass is at x= 6.40 cm and has vx =- 45.0 cm/s. Determine: a) The Maximum acceleration to 3 significant digits. - I calculated this to be 7.64 but it keeps saying I have the wrong SD...

Physics
The two blocks in the figureoscillate on a frictionless surface with a period of 1.5s. The upper block just begins to slip when the amplitude is increased to 38cm. What is the coefficient of static friction between the two blocks?

Physics
Suppose that one oscillation of a swinging lamp takes 5.5s. What maximum speed does the lamp have if its maximum angle from vertical is 3.0degrees? I first found L to be 7.51m. That was right. Now, I calculated the angular frequency of the pendulum to be 1.14. I'm pretty s...

science
what are some key characteristics of fungi?

math
350*(6/100) = 21 350+21 = $371

physics
Use 1 of your kinematic equations twice. vfinal^2 = vinitial^2 + 2ad. First you want to find the speed of the drag racer right when the parachute opens. vfinal^2 = vinitial^2 + 2ad. Substitute 0 for vinitial^2 and take the square root of 2(17)(402). That becomes your initial v...

Physics
There is no kinetic energy unless the object is oscillating.

Pre-Algebra
what?

Pre-Algebra
In a-c, explain what would happen to a figure if you transformed it using the given rule. a. (3x, 6y) b. (x+2, y+1) c. (2x, 2y +5)

Pre-Algebra
A rectange has dimensions of 1 and 6. Another rectangle was drawn from it using a scale factor of 1.5. A. The area of the large rectangle is how many times the area of the small rectangle? B. The perimter of the large rectangle is how many times the perimeter of the small rect...

Physics Really Need Help Please
I found 583 for the first one which is right. I have no idea how to do the 2nd and 3d question please help!

Physics Really Need Help Please
At time t=0 a grinding wheel has an angular velocity of 26.0 rad/s. It has a constant angular acceleration of 25.0 rad/s^2 until a circuit breaker trips at time t = 2.50 s. From then on, the wheel turns through an angle of 440 rad as it coasts to a stop at constant angular dec...

Physics
I don't understand the question. What's the displacement for either of those parts? What equation should I use?

Physics
At time t=0 a grinding wheel has an angular velocity of 26.0 rad/s. It has a constant angular acceleration of 25.0 rad/s^2 until a circuit breaker trips at time t = 2.50 s. From then on, the wheel turns through an angle of 440 rad as it coasts to a stop at constant angular dec...

MATH
well i think that is called the y-intercept form

MATH
How do you write an equation in standard form? Ex.How would you write this in standard form? y+1=x+2

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