# Posts by Christina

Total # Posts: 930

social studies
A study of the causes of the American Revolution of 1776, the French Revolution of 1789, and the Russian Revolution of 1917 best supports the generalization that revolution is most likely to occur when

Alegebra 1
HELP PLEASE!! Show that Euler’s formula holds for the polyhedra called a right pentagonal prism?

Geometry
I'm really stuck with this question can someone please help me. A bus is scheduled to stop at a certain bus stop every 45 minutes. At the end of the day, buses still stop after every 45 minutes, but because delays often occur earlier in the day, the bus is never earlyand ...

math
If L is the lenth of an arc, r is the radius and degree is the angle subtended by the arc, find the angle when l=9.4cm r=4.5cm

MATH
Admission to a museum is \$10 for each adult and \$5 for each child. If a group oh 30 people pays a total of \$175 in admission how many adults are in the group?

MATH
Three integers have a sum of 7 and a product of 0. If the difference of the greatest number and the least number is 11, then the least of these numbers is?

MATH
chris buys a chocolate bar and a pack of gum for 1.75 if the chocolate bar costs .25 more than the pack of gum how much does the pack of gum costs?

9th grade biology
How does binomial monenclature relate to Genus and species? Also, what is the proper form for the scientific name of an organism?

Algebra
ok it says 1-x=y and then a graph its equations

2
what relationship factors or considerations might be influencing michael's problems?

4th grade Math
Negative 73 Take Away 73 -80+7 Minus 73 etc

algebra 2
how do you expand the power of a binomal in (x+3)^4

Algebra 2
how do you do permutations??? distinguishable ex. Sweetwater would you put the total number of the letters on top and then put what is repeated on bottom???

Algebra 2
so it would be division then i would have to cross multiply right??? by the way thank you...Alot!

Algebra 2
If P(a)=1/5, P(A and B)= 1/8, what is P(b/a) i don't get it is it the same way as finding p or b or is it something entirely different and how do you find it

5th grade
plug in the numbers for x and y into the multiple choice and see which one works ex. y=1 and x=-3 1=2(-3)-5 does that work ...no so try it on a different choice

Algebra2
IF P(A)=40%,P(A OR B)=60%,P(A AND B)=30% WHAT IS P(B)

Chemistry
the answer is 3

Math
Okay i stuck on a problem can anyone help? There are 14 people total.7 are girls a day.Everyone has to work for 7 days also everyone has to have 2 days off.So how many days does a girl work a week?

english
i was just wondering does this song lyric have a metaphor? The stars will cry The blackest tears tonight And this is the moment that I live for I can smell the ocean air And here I am Pouring my heart onto these rooftops Just a ghost to the world That's exactly Exactly ...

business
Identify and explain how the four steps to change the mental models/mindsets can help General Motors. The four steps are recognizing, test, overcome, and transform GM’s mental model/mindset: GMs management is pushing electric vehicle technology I am having trouble ...

kindergarten
try clapping and saying the word grand-mo-ther

world geo.
Thank you so much. The sites helped me a lot.

world geo.
Hi can anybody help me with some websites leading to interesting facts about mt everest. For example its history,the culture,first women to climb.etc. Thank you.

world geo.
what is the root of the conflict between the israelis and the palestinians? also... describe the role of three of the following people had in the conflict: yasser arafat, manchem begin, anwar sadat, jimmy carter,yitzhak rabin,bill clinton,shimon peres,benjamin netanyahu,ehud ...

math
what number is 24% of 95. Sorry but i don't understand how to get numbers using percents. another problem im stuck with is what percent of 90 is 60

Algebra
I am thinking of a number.It is a multiple of 3 but not 6.It is greater than 25^2 but less than 30^2.The units digit is a perfect square and the sum of the other two digits is the square root of 81. What is my number? A three-dimensional model of a city has a scale of 1 inches...

205 ctr
It’s disgraceful that a member of the Elks Lodge would go out to fast food restaurants every night. The Elks believe in family values, including home-cooked meals.

history-renaissance/middle ages
How were women viewed in the medieval times? What would medieval men have said about Petrarch's (poet) view on women? thanks!

Math
9

physics
two pellets each with a charge of 1 microcoulomb 10 to the negative 6 c are located 3 cm apart what is the electrical force between them what would be the mass of a object that would experience the same force in the earths gradational field

physics
two pellets each with a charge of 1 microcoulomb 10 to the negative 6 c are located 3 cm apart what is the electrical force between them what would be the mass of a object that would experience the same force in the earths gradational field

analogies
South America:Brazil::North America:

english
what rhetorical techniques/devices are used in "a talk to teachers" by james badwin?

Simile & Hyperbole
hes hotter than the sun

math
(2x)(-3y)(2z)

Algebra
I need help factoring 64b^2-(q+r)^2

math
what do you mean? i need to write it down as an equation

math
write the verbal sentence as an equation. twelve less than -9 times a number is equal to 8 minus 4 times the number

math
i mean write as an equation.

math
twelve less than -9 times a number is equal to 8 minus 4 times the number

math
write the verbal sentence as an equation.then solve the equation Three less than 11 times a number is equal to 9 plus 5 times the number. twelve less than -9 times a number is equal to 8 minus 4 times the number

spanish
im really confused on the difference between conocer and saber. can anyone help?? 1. Quiero viajar mucho y (conocer/saber) los paises del mundo. 2. el (conoce/sabe) como viajar dentro de Espana. 3. El tambien (conoce/sabe) muy bien no solo Sevilla sino tambien otras ciudades ...

spanish due in 2 hrs
number one means for what do you use ipods? not how long. and conjugate usar. so it would be yo uso los ipods por.... etc. 2. it means for how many hours do you study for a math exam. it would be yo estudio por cinco horas para una examen de matematicas. hope this helps

spanish
what does this mean in english? and would it be true or false? sorry this is the only one i do not understand. unos temas comunes para el noticiero son como preparar platos exquisitos, como viven las estrellas de cine y como aprender a pintar.

english/photography
i have three photographs, one of a soccer ball, one of cd's, one of books, and one of boxes and chaos. i have to write one sentence that connects them all and tells about my life but it cant be really cliche and concrete.. i cant think of anything that isn't concrete. ...

history again
one more question.i have to compare the class structure of japan and europe during feudalism. Europe was royals, nobility,manor lords, and serfs right? What was Japan? and am i leaving anything out of the Europe one? thank you!

English
no loitering= do not loiter here no sledding= do not sled here no hunting= do not hunt here no entering= do not enter no drinking= do not drink no touching= do not touch no photography= do not take pictures? no climbing= do not climb here no dogs= do not allow dogs here theres...

history
What is the relationship between the ruling class and warrior class in Japan and Europe? I know that in Japan the Samurais were the warrior and ruling class till the Edo period right? but what about Europe?

photography
i have to take a roll of film for photography on things that represent me or a "self portrait" project. the problem is, it gets dark outside really soon after i get out of school so it is dark and i am moving in two days so most of my house is packed up. any ideas on...

spanish
does this make sense and is the grammar right? it is trying to say : last weekend i went ice skating at queens in kensington with my friends. i celebrated my 16th birthday and it was very fun. i enjoyed it with my friends and family all weekend. i received many gifts and ate a...

spanish
im a little confused on this.. does - que almorzaste ayer- mean what did you have for lunch yesterday? or did you have lunch yesterday.. and does this mean who did you eat lunch with- con quien almorzaste?and what does this mean- la ultima vez que fuiste al cine, quien pago? y...

psy 230
I have to agree with all of you. I do not understand my text book at all. Im also like all of you, am getting good grades in all my other classes and even in my Psy 265 class but I'm carrying a C+ in this class. The teacher isn't any help either.

Math
solve 4x^2=12

roman history
i have to make a diary of a roman farmer in the time zone of 100-300 CE. i need three days in this diary and an interesting incident or event in his life. im stuck any ideas on an event or anything?? thanks so much!

spanish
another question.. does this make sense or should i change tiene es and esta? La nueva maestra tiene pelo castano y largo. ella es alta y hoy esta una falda larga. que triste es ella! por que no es contenta? no lo se.. pues vamos a ver! Thanks so much!

spanish
im having trouble with gustar. does gustar refer to the person or the object when making it plural? like an example: A nicolas le GUSTAN las ciencias politicas. or: a nicolas le GUSTA las ciencias politicas. thanks!

Science
up

history
i have to do a news article on gaius (caligula) caesar about a big event that happened towards the end of his life. does anyone know a big event that happened towards the end of his life? all i can really find is when he was assassinated and that wont work.

history
during the collapse of the republic in rome what changes were necessary to administer a vast multi-national territory vs. a city state?? please help this is the only one i cant get.. thanks :)

geography
maybe like damp or something.. like london or seattle

algebra 2
how do you do this? find equations in standard form of the lines through point P that are (a) parallel to, and (b) perpendicular to line L: 1) P(0,-4); L: 2y=x 2)P(2,0);L:x+2y=3 3)P(-4,1); L: y+2=0

school
amy's orchestra teacher is planning a fall concert the cost of renting the music hall is \$2000 he decides to charge each person \$5.50 attend the concert to cover the cost of renting the hall how many people will have to attend to cover the cost??

history
how had big buisnesses changed the face of the american buisness by 1990?

western civ
i have a picture of these two cups from 460 B.C. in Athens, greece and i have to make up a story about them. either how they were made or why or something like it was given to someone as a present. it has to be three pages long and i cant thing of anything. please help??? ...

history
what were the differences in goals of athens and sparta?? also what were the differences in origin of each? thanks!

poetry titles?
I got an assignment to make up my own poem following the same pattern as in Lorrie Moore's "How to Talk to Your Mother (Notes)" I used the same timeline pattern but with my own life and i need to make up a title for it. Any ideas?? thanks :)

English
really good but a little creepy. ya might wanna tone it down a little. its really good though

spanish
oh okay thanks

spanish
so when i have to translate it, is it 2 different answers? like i will put apartment and then i will put pequeno apartmento?

spanish
what does this question mean im really confused. directions - translate the adjective and write the correct form. 1. un apartmento (small) 2. las mujeres (brown haired) 3. los hombres (tall) 4. la senora (pretty) 5. las clases (easy) can someone explain what the question is ...

western civ mapping?
thank you soo much

western civ mapping?
i have to mark on a map of ancient greece, where thera and thrace are can anyone help me or give me a site that would have good maps? thanks so much

science
look it up on google but i found it on klb science interactive excercises

Precalc
thank you for replying, but i figured it out

Precalc
In this function, f(x)= [2/(x-3)]+1: I know it is a rational function and the graph moves 1 unit up and 3 units right. I also see that the 2 makes the function move closer, but I don't understand why it does that in mathematical terms.

algebra
can you help me walk threw this problem?

Science
I need help with a a school science test held tommorrow. Its about chemical equations and I was wondering if someone can explain to me how to add ions and valencies when adding chemical equations? Any help would be greatly appreciated

Physics
Background: A monochromatic laser is exciting hydrogen atoms from the n=2 to state to the n=5 state. Question: What is the shortest wavelength observed? -I believe that it will be from n=5 to n=4, but I am not sure what equation to use or how to use the n values... Answer: ?? nm

HELP HELP!!
I have solved Question 1(=8.5 pm), but am still struggling to answer Question 2! Any help would be beyond greatly appreciated!!

HELP HELP!!
I have solved Question 1 (=8.5 pm), but am still struggling to answer Question 2! Any help would be beyond greatly appreciated!!

Physics -Compton Scattering
QUESTION 1: Calculate the maximum increase in photon wavelength that can occur during Compton scattering. = ??? pm QUESTION 2: What is the energy (in electron volts) of the smallest-energy x-ray photon for which Compton scattering could result in doubling the original ...

physics
the making of polymers is an example of the category of work done by chemists caledd _______ fill in the answeerrr

science
the making of polymers is an example of the category of work done by chemists calledd ________ fill in the answerr. please helpp!

science
the making of plymers is an example of the category of work done by chemists called ______

Physics Question
GIVEN: Two particles are created in a high-energy accelerator and move off in opposite directions. The speed of one particle, as measured in the laboratory, is 0.580c, and the speed of each particle relative to the other is 0.920c. QUESTION: What is the speed of the second ...

Physics
A 22.8 kg turntable with a radius of 47 cm is covered with a uniform layer of dry ice that has a mass of 4.08 kg. The angular speed of the turntable and dry ice is initially 0.52 rad/s, but it increases as the dry ice evaporates. What is the angular speed of the turntable once...

Physics -Interference & Diffraction
Ooh wonderful! There is another problem similar to it...I am having trouble finding the # of fringes, but I think once I get help with that I can solve for the angle!!! GIVEN: Light of wavelength 585 nm falls on a slit 6.66×10−2 mm wide. Part A: On a very large ...

Physics -Interference & Diffraction
Given Information: Light of wavelength 631 nm passes through a diffraction grating having 485 lines/mm. Part A: What is the total number of bright spots (indicating complete constructive interference) that will occur on a large distant screen? *Answer: 7 (this is correct) Part...

Math
6*5*3=90

Geometry-PSSA Practice
Which of the following quadrilaterals must have diagonals that bisect each other? Rectangle Parallelogram Rhombus Isosceles Trapezoid

romeo and juliet
i have to write three six word biographies on Romeo and Juliet. Any ideas? :)

Chemistry
How would I combine ions? like how would Sr be combined as a positve or negative ion? I DON'T GET IT!

english
ya i cant find any because all they are doing in my part is talking and they don't use any props... so i don't know what to do ..

english
i have to act out the first half of act3 scene 5 in romeo and juliet and i have to have some props. does anybody have any ideas for what i could use?

electricity 188
hi my name is christina and i have an electrical question i need help with. i am taking power engineering electrical 188. the question is: how much will ity cost to use 6 lamps of 100 W each if they burn for 5 hours each evening in a month (30 days). the cost of electricity is...

Geometry
A rectangular swimming pool that is 12ft by 15 ft has a deck of uniform width built around it. If the area of the deck is 198 square feet, find its width.

Geometry
Okay i think i got it. a^2 + b^2 = c^2 6^2 + 8^2 = c^2 36 + 64 = c^2 sqrt of 100 = sqrt of c^2 10ft = C Is that right?

Geometry
Okay.. whats the Pythagorean theorem again?

Geometry
The foot of a ladder is placed 6 feet from a wall. If the top of the ladder is 8 feet up on the wall, how long is the ladder?

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