Questions Asked on
May 19, 2008

trig
sketch one cycle of y=3 sin 0 i know you guys wouldnt be able to draw it for me on here, but is this able to do on a graphing calculator, or could u explain the steps needed to do this problem? thanks in advance
asked by jerson 
chemistrystoichiometry
how many grams of chlorine can be liberated from the decomposition of 64.0g of AuCl3 by this reaction 2 AuCl3> 2 Au + 3cl2
asked by lori 
algebra
The coffee counter charges $9.00 per pound for Kenyan French Roast coffee and $8.00 per pound for Sumatran coffee. How much of each type should be used to make a 20lb blend that sells for $8.40 per pound? Answer: Kenyan8 lb; Sumatran12 lb. Can someone
asked by C 
Math
I need help in seeing if I solved these inequality problems correctly. 1. A store sells two models of computers. Because of the demand, the store stocks at least twice as many units of model A as of model B. The costs to the store for the two models are
asked by Jamie 
Chem ? Help!
What is the answer and how do I Calculate the quantity of energy required to change 3.00 mol of liquid water to steam at 100°C. The molar heat of vaporization of water is 40.6 kJ/mol.
asked by Lisa 
Physics
A sealed container of volume 0.10 m3 holds a sample of 3.0 x 10^24 atoms of helium gas in equilibrium. The distribution of speeds of helium atoms shows a peak at 1100 ms1. Caluculate the temperature and pressure of the helium gas. (helium atom 4.0 amu)
asked by Oli 
how to write a check
this is my second time writing a check, and I know how, but How do i write $1,464.00 in words on a check. Is it "one thousand four hundred sixty four dollars" Is it hundred or hundreds? Do I need to say something about the zero cents?
asked by jen 
calc
oil is leaking from a pipeline on the surface of a lake and forms an oil slick whose volume increases at a constant rate of 2000 cubic centimeters per minute. The oil slick takes the form of a right circular cylinder with both its radius r and height
asked by sam 
trig
Find the exact value of cot 45°, if the expression is undefined write undefined.
asked by jerson 
algebra
What are some examples of real life situations where you might use polynomial division?
asked by C 
Math
1. Find y'(x) when xsecy  3y sinx = 1 a) (3ycosx  sec y) / (xsec^2y  3sinx) b) (3cosx  sec x) / (xsecytany  3sinx) c) (3ycosx  sec y) / (xsecytany  3sinx) d) (3ycosx  secytany) / xsec^2y  3sinx) This is what I did: xsecy  3y sinx = 1 => sec y + x
asked by Donna 
Physics (please check!)
A positively charged light metal ball is suspended between two oppositely charged metal plates on an insulating thread as shown below. After being charged once, the plates are disconnected from the battery. Describe the behavior of the ball. Would the ball
asked by BAdams 
World Literature
When a character struggles with outside forces he has? a. conflict b. external conflict c.internal conflict d. suspense e. all of the above
asked by Carolyn 
algerbra 2
you deposit 10,000 dollars in an account that pays 4.25% interest compouned continuously. How long will it take for the account balance to reach $15,000? i have $15,000=$10,000e^(.0425)(t). is that right? if not please can i get a reasoning if it's wrong,
asked by Miley 
Calc
a partial moves along the xaxis so that its velocity at time t, for 0< = t = < 6, is given by a differentiable function v whose graph is shown above. The velocity is 0 at t=0, t=5, and the graph has horizontal tangents at t=4. the areas of the regions
asked by sammy 
Civics
(True or False) The duties of local government officials are usually outlined in a state approved charter.
asked by CJ R. 
MATH
I had to change this fraction to a percent: 1 1/5= 120% Is this correct? To get this answer I changed the fraction 1 1/5 to a decimal, 1.2, then I moved the decimal two places to the right, making it 120%. Please tell me if I have got these steps down.
asked by LIFETIME 
algebra
What are some examples of real life situations where you might use polynomial division?
asked by C 
calculus
consider the differential equation dy/dx= (y  1)/ x squared where x not = 0 a) find the particular solution y= f(x) to the differential equation with the initial condition f(2)=0 (b)for the particular solution y = F(x) described in part (a) find lim F(x)
asked by sammy 
a
What are some examples of real life situations where you might use polynomial division?
asked by C 
Need some info. please
Everyone differs slightly in what they consider attractive or beautiful. Do you believe certain attributes are universally attractive? Do you believe one’s sense of beauty is intrinsic or learned? What influence do the media and one’s peers have on the
asked by rose  Ms. Sue 
chemistry
1. Calculate the volume of carbon dioxide at 273 K and 1.01 * 10^5 Pa which would be produced when 1.25g of calcium carbonate reacts completely with HCL. and 2. When 41.18 cm^3 of a solution of silver ions with concentration of .2040 mol dm^3 is added to
asked by ANn 
English Expression
Using each card in Group A and Group B, let's play the "Making a Suitable Sentence" Game. John and she are the third person singular, so they take the third person singular present form. Look at the expressions in Group B. Look at the second card in the
asked by John 
finance
It’s been two months since you took a position as an assistant financial analyst at Caledonia Products. Although your boss has been pleased with your work, he is still a bit hesitant about unleashing you without supervision. Your next assignment involves
asked by Amber 
Women's Issues
I am writing a report for my current events class about women's issues. I am not allowed to use Wikipedia for my resources. Can someone direct me to some helpful websites or give some examples of women's issues besides inequality in the workforce between
asked by Katherine 
maths(am i right??)
Ms James buys x calculators and y folders to sell, she must buy at least 5 calculators,the folders she buys must be at least twice the number of calculators and if each calculator cost $20 and foldr $5 and she cant spend more than $300, write inequalities
asked by cynthia 
Physics
6) If a flea has a mass of 2.0x10^2 micrograms jumps vertically to a height of 65mm and 75% of the energy comes from elastic potential energy stored in the protein, determine the initial quantity of elastic potential energy. drwls said to use: (1/2)M g H =
asked by Alex 
probability
How do you calculate the probability of a sum with one fair die and one biased die? P(1)=1/3 P(2)=P(3)=P(4)=P(5)=P(6)
asked by Anonymous 
keyboarding and word processing
do anyone have the correct answer to exam 986131 for pennfoster key boarding and word processing.
asked by mattie 
English Expression
Let's write a thankyou card to a teacher. 1. Prepare a big drawing paper. 2. Using the expressions below, each of you writes a greeting to a teacher in English on a small card. 3. Each gathers a card and make a shape, and then paste it on a drawing paper
asked by John 
trig
Write the measure in radians. Express the answer in terms of ð 260°
asked by jerson 
alg 2.
solve. we can use a calculator on this part... 2e^x+4=21. how do i do this problem. i know that you subtract 4, but what do you do after that?
asked by Miley 
chemistry
Which solution would increase the osmotic pressure of water the most? a) KBr b) NaCl c) MgCl2 d) glucose
asked by Donna 
Physics
3) a) Calculate the unstretched length of a spring, which has a Hooke's constant of 40N/m and is 56cm long when supporting a stationary 800g object. I did mag = kx (0.800)(9.81) = 40x x = 0.20m lx = u 5620 = u u = 36cm Is that right? b) The period with
asked by Alex 
Econ
How do you calculate the Herfindahl Hirschmann Index ?
asked by Tiffany 
US HISTORY
What effect did racial violence have on President Kennedy's approach to civil rights?
asked by Kathryn 
math
a farmer must get a mouse, a cat and a block of cheese across the river. He will make three trips. He can not leave the cat and mouse together on either side and he can not leave the mouse and cheese together on either side. How will he get them across the
asked by zach 
Alegebra 2
Factor x^3+2x^236x72
asked by Courtney 
art history college level
Is there anybody out there who really knows art history or anyone who is at least aware of some helpful art history resources out there? For comparison and contrast purposes, I need to know more about some individual French academic artists and their
asked by Brandon 
CHEMISTRY
im a little confuse on this problem. "in the production of copper from ore containing copper(II) sulfide, the ore is first roasted to change it to the oxide according to the following equation: 2CuS + 2O2 > 2CuO + 2CO2 [i already balanced it] A. If 100 g
asked by Mandy 
GEOGRAPHY
please could someone help, i need to find information about broughton chester airbus to write an essay about it.i need to write about what is made there how the parts are transported to different places how big the factory is what alterations have been
asked by CHARLIE 
Physics
What are differences and similarities of the electric charges (+ and ) and the magnetic forces (North and South)?
asked by TP 
Intro to LAN
I have an assignment. here is the criteria All key elements of the assignment are covered in a substantive way. · Select one organization from the company descriptions in Appendix G · Recommend how the company should back up and protect their network
asked by James 
algebra
Maria bicycles 5 km/h faster than Carlos . In the same time it takes Carlos to bicycle 30 km, Maria can bicycle 45 km. How fast does each bicyclist travel?
asked by Kim 
Math please check answer
please check my answer thanks What would be the amount of compound interest on $ 8,000 invested for one year at 6 %, compounded quarterly ? (need to show all of your work ) ok this is what I got $8,000 x 0.6 = $ 480 $ 480 / 4 = $120 $120 x 0.6 / 4 = $
asked by Maria 
social studies
What is the demand for selfrule and a strong feeling of one's loyalty to one's nation
asked by vanessa 
about jiskha/ math
I had a dumb question awhile ago I had submitted a question ( Ted bought four lawn chairs for $ 22 each a pinic table for $ 212 and an umbrella for $85) etc anyways I had wanted someone to check my answer which they did , however I lost my paper Is there
asked by Anonymous 
Physics
What is the smallest a flat mirror can be while still being able to see your full reflection? I need to show my work/explain. Can anyone help me?
asked by Lindsay 
Math
Find y'(x) when cos y  y^2 = 8 a) siny  2y b)  (1/sin y  2y) c) 0 d)  (8/cos y  y) So if I implicitly differentiate: y'(x) = sin(y)  2y y' = 0 Am I right to say that there's nothing more you can do to this and pick C? y' = 0 / (siny  2y) So
asked by Donna 
Chemistry
im a little confuse on this problem. "in the production of copper from ore containing copper(II) sulfide, the ore is first roasted to change it to the oxide according to the following equation: 2CuS + 2O2 > 2CuO + 2CO2 [i already balanced it] A. If 100 g
asked by Mandy 
Math
What is 12x8999? pluss 80000000 and subract 3 billion? Is that possible?
asked by Elizabeth 
PYCHOLOGY
IF A 50 YR OLD AND A 25 YR OLD WERE TOLD TO RECALL A LIST OF WORDS, WHAT DIFFERENCE IN BRAIN ACTIVITY WOULD EXPECT?
asked by SANDY 
science
soalar eclipses occor when ? Thanks
asked by Elizabeth 
science
calculate the mass in kg of an object that weighs 1225 n on earth
asked by Corey 
Chemistry
im a little confuse on this problem. "in the production of copper from ore containing copper(II) sulfide, the ore is first roasted to change it to the oxide according to the following equation: 2CuS + 2O2 > 2CuO + 2CO2 [i already balanced it] A. If 100 g
asked by Mandy 
calc
let f be function given by f(x)= Ln(x)/x for all x> 0. the dervative of f is given by f'(x)= (1  Ln(x))/x squared. a) write equation for the line tangent to the graph of f at x=e squared b) Find the xcoordinate of the critical point of f. Determine
asked by sarah 
Language Arts
What is the saddest narrative you know? If you could pleaser copypaste it here so i can see it. thanks
asked by Kinza 
Chemistry
im a little confuse on this problem. "in the production of copper from ore containing copper(II) sulfide, the ore is first roasted to change it to the oxide according to the following equation: 2CuS + 2O2 > 2CuO + 2CO2 [i already balanced it] A. If 100 g
asked by Mandy 
space
what did edwin hubble knowtice about the direction of travelof distant galaxies that led him to preopose that the universe is expanding?
asked by tim 
maths(did i do this right)
write 3x*2+8x25 in the form a(x+h)*2+k where a,h and k are real numbers formulae for h=b/2a formulae for k=4acb^2/4a h=8/2*3=1.33 4 (3)+ (25)8*2/4*3=152/12=12.6 3(x12.6)^2=1.33/3 x12.6=+0.67 x=0.67+3.55=4.22 x=0.67+3.55=2.88
asked by britney 
Chemistry
im a little confuse on this problem. "in the production of copper from ore containing copper(II) sulfide, the ore is first roasted to change it to the oxide according to the following equation: 2CuS + 2O2 > 2CuO + 2CO2 [i already balanced it] A. If 100 g
asked by Mandy 
math
complete the table that shows the length of the chain formed when rings are liked in a staright line 1)number of rings 1 length of chain 16mm 2)number of rings 2 length of chain 30m 3)number of rings 3 length of chain 44m 4)number of rings 6 length of
asked by marcus 
CHEMISTRY
im a little confuse on this problem. "in the production of copper from ore containing copper(II) sulfide, the ore is first roasted to change it to the oxide according to the following equation: 2CuS + 2O2 > 2CuO + 2CO2 [i already balanced it] A. If 100 g
asked by Mandy 
maths
find the inverse of matirx m= 2 1 1 3 is it 3 1 1 2 and how dod i find the value of and a y for which ma is x and y
asked by veda 
CHEMISTRY
im a little confuse on this problem. "in the production of copper from ore containing copper(II) sulfide, the ore is first roasted to change it to the oxide according to the following equation: 2CuS + 2O2 > 2CuO + 2CO2 [i already balanced it] A. If 100 g
asked by Mandy 
CHEMISTRY
im a little confuse on this problem. "in the production of copper from ore containing copper(II) sulfide, the ore is first roasted to change it to the oxide according to the following equation: 2CuS + 2O2 > 2CuO + 2CO2 [i already balanced it] A. If 100 g
asked by Mandy 
Algebra
When simplifying algebraic fractions, do you simplify things attached by addition/subtraction? EX. 4d1 _____ 6d Would you be able to further simplify it to: 2d1 ________ 3d
asked by Zerina 
Economics
Correct me if I am wrong, if a country's currency appreciates, foreign goods are relatively cheaper than domestic goods, so imports increases and export decreases. And if depreciates, the opposite is true?
asked by remy 
finding directrix. Am I right?
the equation of the parabola is (y5)^2=5(x+8). Now I asked this earlier but that thread is farther down so no one sees it. He said the directrix is 9.25 but I think it is 1.25. Am I right?
asked by Tyler 
AED
classify the objective "to know what the term equivalent fraction means into one of the cells of the taxonomy
asked by dawn 
math
(0.2x15) : (0.8x7.5) ::_________:(0.25x56)
asked by beth 
history
Plebeians could move into the upper class by winning in the Olympics. True or false
asked by Marie 
INB
Explain why you think international strategy is important. What is the difference between domestic and international strategic planning?
asked by deshaun 
Social Studies
How do the rivers/seas and deserts of China impact it's culture over time? I need to write a paper so if i could get a lot of info on this it wud be great help!
asked by Dee 
Social Studies
I need to know about fashion and style during the Heian period. Also, please revise this narrative about a girl during the Heian period. ONly edit if you know what youre doing. this is my final so no fooling please!! thanks so much (due 2morrow) HELP!!!
asked by Kinza 
Chemistry
im a little confuse on this problem. "in the production of copper from ore containing copper(II) sulfide, the ore is first roasted to change it to the oxide according to the following equation: 2CuS + 2O2 > 2CuO + 2CO2 [i already balanced it] A. If 100 g
asked by Mandy 
alg 2.
how would i condense this... 3lnxy2ln2y. whenever i condense i get ln(xy^3/2y2). but my teacher has ln(x^3y/4). can someone please show me how to get that answer thanks!
asked by Miley 
ctu
Carrie is surfing the Virtual Campus (VC) one night after work. She finds the Academics, Library, Learning Center, and Virtual Commons portals but is unsure how to navigate them. Carrie sees over a dozen labs and wonders how to enroll for the English and
asked by kimn 
Algebra 2
I have a question and I can not figure it out. Any answers to the following along with any explanation would be great! Here is the equation: x=.2y^22y3 Now I know that is an equation for a parabola. Now, I need the following: Equation in standard form
asked by Tyler 
french
Can someone check this over? Nous sommes allées au club. L'Alibi était un club de danse et nous avons écouté une variété de musique. Nous avons dansé à la musique salsa, le rock, et le hiphop. Nous avons dansé pour deux heures! Le prix de
asked by maggie 
Math
how do i find the height of a triangle the base is 18 inches, the angled side is 82 inches and it is a right triangle
asked by LT 
Social Studies
Did art have a religious significance to the Romans because they believed that the representations of people actually became receptacles of their souls?
asked by Bob 
Chemistry
im a little confuse on this problem. "in the production of copper from ore containing copper(II) sulfide, the ore is first roasted to change it to the oxide according to the following equation: 2CuS + 2O2 > 2CuO + 2CO2 [i already balanced it] A. If 100 g
asked by Mandy 
French
What is the best way to say this? When one has a flat tire, it is necessary to put air in it. I have to translate this, and my best guess is Quand on a pneu à plat , il faut mettre de l'air dans ça That doesn't really look right me at the end. Could
asked by Nathalie 
Chemistry
im a little confuse on this problem. "in the production of copper from ore containing copper(II) sulfide, the ore is first roasted to change it to the oxide according to the following equation: 2CuS + 2O2 > 2CuO + 2CO2 [i already balanced it] A. If 100 g
asked by Mandy 
science
What elememts compose 95% of the body?
asked by Cilla 
physical science
What is a compound that has water chemically attached to its ions?
asked by ro 
com 140
how will you apply the knowledge you have gain about effective business communication in your current or future job and college courses?
asked by lisa 
math
I have to find slope of the coordinates (8,116) and (18,268) i got 76/5 but this doesn't seem right. Isn't slope supposed to be a whole number or simple fraction?
asked by Anonymous 
us history
Describe what Kennedy hoped to accomlish with the New Frontier other than landing on the moon.
asked by Kimberly 
Hello!
I love cyber chickens!!! Do you???
asked by Erin 
english
how doyou find out abut prefixes it is so anoyying when i have to think twice and try to rember what my techer says at school in class and well can any one help me here thanks a million
asked by permicouas 
Business
Foreign Investment and Internation Investment theory in plain english so I can understand it.
asked by Kimberly 
algebra
How do I solve this???? Hat size 7 3/8 ??? head circum ( to nearest 1/5 23 1/5 ??? head circum to nearest cent.) 59 58
asked by Kim 
school email problem... please help
What does "Cc" stand for in regard to emailing? Thanks
asked by Anonymous 
nystce exam help with downloading
On the Nystce exam site the first site that comes up when you google "nystce": Can someone please download and repost the * Assessment of Teaching Assistant Skills (ATAS) (095) because my computer won't let me. Thanks very much.
asked by Anonymous 
Elglish
What are all of the sigular and plural pronouns?
asked by kelsey 
Supervision and Leadership
I need someone ele's thoughts on this scenario Questions 1and2 at the end. No Extra Effort You are the supervisor of nurses in the pediatrics section of a 700bed hospital in a metropolitan area. You have been in your job for six months, having moved from
asked by Ree 
history
What was probably the most important commodity in ancient Rome?
asked by Marie 
social studies
How were Roman steam baths warmed?
asked by Eloise 
social studies
Why did art have a religious significance to the Romans?
asked by Eloise 
Social Studies
How were Roman chariot races like horse races today?
asked by Bob 
social studies
how did events in the west help the Patriots' cause?
asked by tatiana 
randomness health
random much but is it possible at all for a human to produce asexually. like EVVER with a sperm? please not in science language: just english :P thanks
asked by Kinza 
alg 2.
solve. lnx=4. how do i do this problem...
asked by Miley 
Chemistry
im a little confuse on this problem. "in the production of copper from ore containing copper(II) sulfide, the ore is first roasted to change it to the oxide according to the following equation: 2CuS + 2O2 > 2CuO + 2CO2 [i already balanced it] A. If 100 g
asked by Mandy 
Chemistry
im a little confuse on this problem. "in the production of copper from ore containing copper(II) sulfide, the ore is first roasted to change it to the oxide according to the following equation: 2CuS + 2O2 > 2CuO + 2CO2 [i already balanced it] A. If 100 g
asked by Mandy 
math
can you show me how to solve this? 4a  7 = 4(a2) +1
asked by Tracy 
Social Studies
Which Songhai city was the center of learning,trade and religion
asked by Julia 
Chemistry
im a little confuse on this problem. "in the production of copper from ore containing copper(II) sulfide, the ore is first roasted to change it to the oxide according to the following equation: 2CuS + 2O2 > 2CuO + 2CO2 [i already balanced it] A. If 100 g
asked by Mandy 
literary
what is genre?
asked by Anonymous 
Chemistry
im a little confuse on this problem. "in the production of copper from ore containing copper(II) sulfide, the ore is first roasted to change it to the oxide according to the following equation: 2CuS + 2O2 > 2CuO + 2CO2 [i already balanced it] A. If 100 g
asked by Mandy 
space
how long do scientists believe the universe has been expanding?
asked by joe 
Science
Effect of Food habits on GIT problems of Adolescence
asked by Tom 
space
what force holds the billions of stars in a galaxt together?
asked by tim 
maths (sets)
32 candidates took examinations at centre. 11 took french,9 took spanish and x took both,18 took neither subject 1.Write an expression in x for the number of candidates in the universal set 2.Calculate the value of x
asked by keisha 
government
WHAT IS THE LIST OF CASES TO BE HEARD BY A COURT IS CALLED
asked by MIGUEL 
French
Can someone please review and correct this for me, thank you so, so ,so much!!!! Whoa, c'est quoi ce bruit? Mr. Terry interroger, une expression confus sur son visage. C'est probablement seulement l'alarme qui est accidentellement sonné, assurée Mme
asked by MayCatia 
DT WOODWORK
what is the definition of 1/ portable drill 2/ pillar drill 3/countersink 4/pilot hole thanks for your help
asked by ANON 
CHEMISTRY
im a little confuse on this problem. "in the production of copper from ore containing copper(II) sulfide, the ore is first roasted to change it to the oxide according to the following equation: 2CuS + 2O2 > 2CuO + 2CO2 [i already balanced it] A. If 100 g
asked by Mandy 
phoenix
water resource plan
asked by maria 
CHEMISTRY
im a little confuse on this problem. "in the production of copper from ore containing copper(II) sulfide, the ore is first roasted to change it to the oxide according to the following equation: 2CuS + 2O2 > 2CuO + 2CO2 [i already balanced it] A. If 100 g
asked by Mandy 
dt
definition for portable drill.
asked by anon