Questions Asked on
October 26, 2009

math
find the surface area of a Cylindrical grain silo with hemispherical top height=71 diamatere=62
asked by chandice 
social studies
Write an essay on the colonization of Spain, including historical background on colonization and a thesis explanining the rationale of three of the following motives: humanitarian,trade and military?
asked by Spain 
Chemistry
Can someone PLEASE help me with this???? I am soooo confused with this problem!!! Combustion reactions involve reacting When compounds containing carbon and hydrogen are combusted, carbon dioxide and water are the products. Using the enthalpies of
asked by Natalie 
Chemistry
Calculate the standard enthalpy of formation of CuO2, given that: 2Cu2O + O2 ==> 4 CuO (288 kJ) Cu2O ==> Cu + CuO (11 kJ) PLEASE HELP!!!!
asked by Natalie 
Economics
select a country and an economic concern, such as population, unemployment, etc. Search the Library and Internet for data sets for the concern that you have chosen. Where were you able to find data sets? What is the relationship between the variable that
asked by John 
English
I want to improve the flow of this sentence. I would greatly appreciate any insight, minor or major. Here is the sentence, which is intended as a thesis: L. Ron Hubbard, in founding Scientology, has created a dangerous contemporary cult that suppresses
asked by Stephen 
physics
A typical tenpound car wheel has a moment of inertia of about 0.35 kg*m^2. The wheel rotates about the axle at a constant angular speed making 45.0 full revolutions in a time interval of 7.00 sec . What is the rotational kinetic energy of the rotating
asked by Anonymous 
Calculus
Let r be the monthly rent per unit in an apartment building with 100 units. All the units are rented at r= $900. One unit becomes vacant for each $10 increase in rent. Maintenance cost are $100 for occupied units and nothing for unoccupied units..... so A)
asked by Chris 
physics
A typical tenpound car wheel has a moment of inertia of about 0.35 kg*m^2. The wheel rotates about the axle at a constant angular speed making 45.0 full revolutions in a time interval of 7.00 sec . What is the rotational kinetic energy of the rotating
asked by Anonymous 
Calc
Can anyone help me find the derivative of these functions? y = x^2x y = x^cos(x) y = ln(7x^2 + 5y^2) sqrt(3x+y)=2+x^2y^2 ysec(x) = 3xtan(y) y = arctan[(sqrt((1 + x)/(1  x)))]
asked by Patrick 
American History
could the west have been settled with less conflict with the native americans? at what cost to people and land did the mining, ranching and farming booms come?
asked by Uma 
calculus
A flag pole is 40 feet high and stands on level ground. a flag is attached to a 120 foot rope passing through a pulley at the top of the flagpole. The other end of the rope is tied to a car at ground level. If car was driving directly away from flagpole at
asked by Jeff 
Calculus
How do you find factors of this with long division? 2x^3  3x^2 + 3x 1 = 0 I just don't know how to do it because there is a coefficient in front of first term.
asked by Nikita 
Chemistry
I was asked to write up the experiment that we did in class, but i was absent that day, and i really don't know anything about it, could someone please help me, the title of the experiment says : To obtain a pure sample of benzoic acid form an impure
asked by Wiola 
English
1. He works at/in the library. 2. He works at/in the town hall. 3. He works at/in the hospital. (Which preposition do I have to use? Are both OK? Which one is popular?) 4. I want to drink iced tea. 5. I want to drink ice tea. 6. I want to drink an iced
asked by Tom 
Science
What is a gel, and what is a sol (as in aerosol, hydrosol,etc.)?
asked by VICTOR 
English
1. Candy stripers are teenage volunteers at hospitals. (What is the meaning of 'stripers' in the sentence?) 2. She also takes sick children outside in wheelchairs. 3. She also takes sick children out in wheelchairs. 4. She also takes out sick children in
asked by Tom 
Chemistry
Why is conc. Sulphuric acid used as a drying agent? Is it because it is hygroscopic it will absorb water without forming a solution?
asked by Anonymous 
Chemistry
Sodium Carbonate is said to be a strong base however when in aqueous solution it doesn't yield OH^ ions so how can we say its a base. Or do we say its a base because of its PH.
asked by Anonymous 
physics
The 49 kg climber is supported in the "chimney" by the friction forces exerted on his shoes and back. The climber has reduced push to verge of slip. The static coefficients of friction between his shoes and the wall, and between his back and the wall, are
asked by K 
Chemistry
What are complementary colors and how due different wavelengths of light affect the original color?
asked by Brian 
English
What are the meanings of the following literary terms: 1. Biological Criticism 2. Historical Criticism 3. ReaderResponse Criticism 4. Formal Criticism 5. Gender Criticism 6. Marxist/Marxian Criticism 7. Psychological Criticism
asked by Chante 
Orgo chem
I have to find the boiling point of an unknown from a distillation experiment. The boiling ranges from 88.0 degrees Celsius to 94 degrees Celsius How can you find the boiling point when the points are graphed? Three of the points are the same (94 degrees)
asked by Taylor 
Physics
You are a passenger on a jetliner that is flying at a constant velocity. You get up from you seat and walk toward the front of the plane. As, a result, your forward momentum increases. What (if anything) happens to the forward momentum of the plane?
asked by Bill 
habitats
what do plants and animals need yo survive?
asked by sgfghgg 
Physics
When land ice on Antarctica melts and flows into the sea, eventually it circulates and therefore distributes uniformly over the earth's oceans. As a result, does the earth's rotational speed increase, decrease or remain unaffected? (If it does have an
asked by Bill 
algebra
write an equation in slopeintercept form of the line that passes through the given points. a. (6,1), (3,7) b. (2/3,4), (6, 1/3) write an equation in pointslope form of the line that passes through the given poitns. c. (2,5), (4,3) d. (1/2,1),
asked by <3 
math
Find an angle between 0 degree and 360 degree that is coterminal with given angle. a. 361 degree b. 100 degree c. 1270 degree
asked by David 
math
Find an angle between 0 and 2Ð that is coterminal with given angle. 1. 7Ð /3 2. 10 3. 51Ð /2
asked by David 
Organic Chem
what is the equation including the mechanism for the reaction of 1butanol with NaCl+ NaBr in H2S04 What are the equations for the side reactions?
asked by Lori 
chemistry
Hello, Why dose hydrogen hasn't the characterize of the metals. Hydrogen stands in the first group of the product table A1. Although we know the elements of one group have similar propriety from each other. So, why there aren't any of hydrogen crystals
asked by Hanouf 
Physics
A roller coaster ride includes a circular loop with radius R = 11.6 m. What minimum speed must the car have at the top to stay in contact with the tracks? How would I go around solving this, as in what formula would I need?
asked by Nikita 
chemistry
overall balanced reaction: 14H+ + C2O7^2 + 6Fe^2+ > 2Cr^3+ + 7H2O + 6Fe^3+ .5021g of impure sample containing potassium dichromate was analyzed by titrating a standard iron (II) sulfate solution. If 6.74 mL of 0.2312 N of iron (II) sulfate was required
asked by Anonymous 
English
Do you capitalize north as in "The North?"
asked by Jia 
calculus
At noon, ship A is 10 nautical miles due west of ship B. Ship A is sailing west at 18 knots and ship B is sailing north at 22 knots. How fast (in knots) is the distance between the ships changing at 4 PM?
asked by Anonymous 
integrated computer applications
o save time you don't have to key your memo heading each time you begin a new memo, create a quick part?
asked by Anonymous 
integrated computer applications
Options for designing the way text and graphics are positioned on a single powerpoint slide are provided by the slide, a. views, b. design theme, c. background, d. layout
asked by marilia 
chemistry
you extract 10 g of benzoic acid from an ether solution with aqueous NaHCO3 what is the min amount of concentrated HCl (37% by w/v%) that would be needed to convert the sodium benzoat back to free energy? (answer: 8.2 mL) I know that the 37% is basically
asked by Anonymous 
math
the product of two numbers is 50. when you divide the larger number by the smaller number you get 2. what are the two numbers?
asked by Anonymous 
Physics
It takes 180 kJ of work to accelerate a car from 21.0 m/s to 27.5 m/s. What is the car's mass? kg?
asked by RE 
Physics
Atomic physicits ignore the effect of gravity within an atom. To see why, calculate and compare the gravitational and electrical forces between an electron and a proton separated by 10 to the 10 m.
asked by Kayla 
Physics
How long would it take for the Earth to complete a full turn if a person at 49.2° northern geographical latitude floats apparently weightlessly across the room? Use REarth = 6,385 km for the radius of Earth
asked by Nikita 
Math
Round your answer to the nearest whole number when necessary. In a basketball game,Ivring scored 80% of the teams points.If team as a whole scored 120 points,how many points did Ivring score? PLS answer within the next minute!!
asked by Elizabeth 
Geography
22. What factor explains why the Democratic Republic of Congo has been economically unsuccessful? a. corrupt national leadership and inefficient use of resources b. lack of natural resources c. a lack of rivers that could be used for transportation d. poor
asked by mysterychicken 
Chemistry
Does the fact that Iron reacts rapidly with oxygen in the presence of water prevent it from being used to coat other metals like copper and zinc?
asked by Anonymous 
Math
This is the layout of the McDougal's backyard.The scale is 1 centimeter to 5 meters.The length of the deck on the layout is 7 centimeters.The width of the deck on the deck is 2 centimeters. What is the actual perimeter of the deck? Pls answer within the
asked by Elizabeth 
science
What are the physical features of niagra falls.
asked by bob 
Calculus
Find the inflection points for f(x) = 12x^5 + 45x^4  360x^3 + 7
asked by Z32 
Math
This is the layout of the McDougal's backyard.The scale is 1 centimeters to 5 centimeters.The actual area of the pool is 375 square meters.The length of the pool is 25 meters. How do I find the area of the pool on the layout?
asked by Elizabeth 
Social Studies
I am doing producing a poster on MEDC and LEDC countries. I know what LEDC and MEDC means. can you please give me some advice as to how I layout and what information would be best to include when comparing two countries such as: Russia (MEDC) and Nicaragua
asked by April 
Physics
A satellite orbits at an average altitude of h = 409 km. What is its orbital speed? Use REarth = 6370 km and mEarth = 5.98 x 10^24 kg
asked by Nikita 
Geography
19. The focus of movement in Kenya for centuries has been toward the a. lands of Northern Kenya b. northeast coastal lands of Kenya c. fertile lands of the central highlands on either side of the Great Rift Valley d. lands in the north and the northeast of
asked by mysterychicken 
Physics
A tire cruises up an embankment at 30° for 1 meter before launching across Piranha Lake. What is the velocity of the tire at the top of the embankment in m/s? HELP: Inital KE of the tire is 1/2*M*V2 + 1/2*I*(V/R)2; both rotational and translational Final
asked by Sara 
algebra (check plz)
write an equation in slopeintercept form of the line that passes through the given points. a. (6,1), (3,7) b. (2/3,4), (6, 1/3) write an equation in pointslope form of the line that passes through the given poitns. c. (2,5), (4,3) d. (1/2,1),
asked by <3 
Chemistry
Elemental sulfur occurs as octatomic molecule S8. What is the mass of Fluorine gas needed to react completely with 19.9 g of Sulfur to form sulfur hexafluoride?
asked by Brittany 
Quantitative Methods of Business
Karl's monthly expenses are $3,000. Of this 1/4 is for the mortgage payment, 1/8 is for credit cards, 2/5 if for the car payment, and the rest is for food and miscellaneous expenses. What is the amount of Karl's car payment?
asked by Pamela 
Physics
A roller coaster ride includes a circular loop with radius R = 13.3 m. What minimum speed must the car have at the top to stay in contact with the tracks?
asked by Nikita 
Statistics
Suppose that the probability distribution of a random variable x can be described by the formula P(x) = x/15 For each of the values x = 1, 2, 3, 4, and 5. For examples, then, p(x=2) = p(2) = 2/15 a Write out the probability distribution of x. b Show that
asked by Kelly 
Statistics
Suppose that the probability distribution of a random variable x can be described by the formula P(x) = x/15 For each of the values x = 1, 2, 3, 4, and 5. For examples, then, p(x=2) = p(2) = 2/15 a Write out the probability distribution of x. b Show that
asked by Chinadoll 
Statistics
Using formula P(x) = x/15 For each of the values x = 1, 2, 3, 4, and 5. a. probability distribution of x. b. Show that the probability distribution of x satisfies the properties of a discrete probability distribution. c. mean of x. sketch the two specified
asked by Chinadoll 
6th grade
Show me a plot diagram example please.
asked by Jordan 
Physics
How do you calculate and compare the gravitational and electrical forces between an electron and a proton separated by 10 to the negative 10 m. Is the answer: m x a = (4p2r/t2)= 10  30 x 4 x1021= 4x10
asked by Lauren 
Math
prove:(cscxcotx)^4 x (cscx+cotx)^4 = 1
asked by Laura 
Advanced C
The measure of one of the equal angles in an isosceles triangle is twice the measure of the remaining angle. Determine the exact radian measures of the three angles in the triangle.
asked by Anonymous 
Trigonometry
The measure of one of the equal angles in an isoscles trinagle is twice the measure of the remaining angle. Determine the exact radian measures of the three angles in the triange
asked by Anonymous 
Geometry
Since line EF is parallel to line GH, angle 1 = angle 2. Since line FG is parallet to line HE, angle 3 = angle 4. Give reasons to support your answers.
asked by Jessica 
algebra (word problem)
you are in charge of bringing snacks to a picnic. you decide to buy grapes and pretzels. the grapes are $2.39 per pound and the pretzels cost $1.89 a bag. you have $11 to spend. write an equation that models to different amounts of grapes and pretzels that
asked by catalyst 
French
Can you check these... Directions: Répondez que non Part I 1. Ta grandmère travaille encore? Answer: Ma grandmère ne travaille plus. 2. Ta soeur joue encore a foot? Answer: Ma soeur ne joue plus au foot. 3. Tu écris encore à ton amie Marie? Answer:
asked by rachel 
Chemistry
I am so stuck on this problem: λ for one line of the hydrogen spectrum is .4118 x 104 cm. Use this value in the Rydberg equation to calculate the RH value using n1 = 2, and n2 = 5. I know 1/lambda = RH (1/n2  1/n2) 1/(.4118e6 m) = RH (1/4  1/25) RH =
asked by Sarah 
physics
How long would it take for the Earth to complete a full turn if a person at 24.1° northern geographical latitude floats apparently weightlessly across the room? Use REarth = 6,375 km for the radius of Earth. Thank you
asked by m2a 
French
Can you please check these also Directions: Rewrite each sentence in the negative. 1. Il dit quelque chose à son copain. Answer: Non, il ne dit rien à son copain. 2. Et son copain écrit quelque chose. Answer: Et son copain n'écrit rien. 3. Il voit
asked by rachel 
Word Problem
Suppose a newspaper published the following in a boxed corner of the want add sectioin: Should handgun control be abolished? You can call the shots if you participate in our poll tonight. If yes, call 1900forguns. If no, call 1900Banguns. You will be
asked by Anonymous 
Chemistry
Ionization energy is defined as the minimum energy required to remove an electron from the ground state (n0) to infinity (n∞). Determine the wavelength of radiation required to ionize the hydrogen electron from the n = 2 energy level. Calculate the
asked by Sarah 
yeast breads
what creates the gas in breads like pizza & english muffins?
asked by Anonymous 
math
how can i write these equations in standard form with integer coefficients? so #1 is: y=1/2x3/5 and also #2: y=8/3x+4/9 I know the formula is Ax+By=C.. but I just don't get these two.. plz explain & thanks!
asked by green 
physics
Two blocks, A and B (with mass 50 kg and 100 kg, respectively), are connected by a string, as shown in the figure below. The pulley is frictionless and of negligible mass. The coefficient of kinetic friction between block A and the incline is µk = 0.24.
asked by Chan 
government
write several paragraphs stating advantages and disadvantages to the unitary, confederate, and federal systems of government.
asked by Travis 
Childhood Education
Learning to make candy from a recipe would relate most directly to which two of the 13 activity areas? A Math and science B Social studies and science C Cooking and math D Social studies and cooking
asked by Rosa 
science
how does mass differ from weight what is law of universal gravitation
asked by dai 
Computer Science  Java
Hi, For an assignment I am doing, we have to have 2 service classes and one application class. One service class is already written (i.e. DiceGame1) and I am writing another one (i.e. Player) that is supposed to use the previous service class an instance
asked by Lisa 
English
Hi, were going to have a sight essay test soon and one of things we should know is deductive vs inductive reasoning...my question is... in an essay how do you know? i know what each one is.... but i cant see to apply it :( any examples? Thanks a ton!
asked by zxcvbn 
Physics
What are two quantities of an object launched parallel to the ground which are equal to zero? I think one of the two is vertical velocity.
asked by joshua 
Civics
Constitutional scholars have pointed out there is an inconsistency in Justice Marshall's opinion with respect to what the constitution specifically provides. What is that inconsistency?
asked by Anonymous 
Science 8th grade
What is the mass of a piece of aluminum that has a volume 100.0^3?
asked by Nicholas 
Civics
Constitutional scholars have pointed out there is an inconsistency in Justice Marshall's opinion with respect to what the constitution specifically provides. What is that inconsistency?
asked by Anonymous 
world history
why did the industrialized nations of the world embark so aggressively upon imperialist ventures between 1880 and 1914?
asked by ben 
math
At the faculty costume party, each teacher from Transylvania Middle School came dressed as his or her favorite creepy creature. The teachers arrived one at a time, and when a new teacher came in, each of the teachers alredy there lined up at the door and
asked by Sam 
Language
Seth has passed everyone in the race. What part of speech is "has passed"?
asked by Teresa 
advanced functions
The Moon has a diameter of about 3480 km and an orbital radius of about 384 400 km from the centre of Earth. Suppose that the Moon is directly overhead. What is the measure of the angle subtended by the diameter to the Moon as measured by an astronomer on
asked by Anonymous 
English
Hi, I am kind of missing the point of this essay...any ideas about the thesis? F. Scott Fitzgerald once wrote “The rich are different from you and I,” to which everybody usually responds, “Yeah, they’ve got more money.” On a similar theme, it’s
asked by sarah 
math
David made a swing for his niece Sarah using ropes 2.4 m long, so that Sarah swings throuh an arc of length 1.2 m. Determine the angle through which Sarah swings, in both radians and degrees.
asked by Anonymous 
8th grade
At a faculty costume party, each teacher from transylvania Middle School came dressed as his or her favorite creepy creature. The teachers arrived one at a time, and when a new teacher came in, each of the teachers already there lined up at the door and
asked by anomyous 
math
Suppose you want to collect data on how often people in your community use their new blue bin for recycling. You decide to ask the first 100 people you meet at an Enviroment Day even. how might your re!@#$%^&s be biased?
asked by marie 
english
Imagine you are on a local commission appointed to study the lack of proper recreation facilities for youth in your neighborhood. Decide what facilities should be recommended. Write an appropriate resolution to be presented to your county government.
asked by Travis 
math
Please help me solve this problem... thanks! 1.Find the equation of the line that cntains the pont (5, 1) and has slope 1/2 2.find the equation of the line that passes through the points (2,1) and (1,5)
asked by jojo 
Chemistry
Does Cl2 (chlorine) have a 2 charge or 4 charge since there are 2 of them?
asked by Holly Y. 
math
Find the equation of the line that passes through the points (3,1) and (0,3)
asked by Ann 
math
Supose you want to collect data on how often people in your community use their new blue bin for recycling. You decide to ask the first 100 people you meet at an Enviroment Day event. what bias might you expect from this sample?
asked by marie 
Civics
Why was John Marshall's desire to strengthen the federal government so important during the early years of the nation?
asked by Anonymous 
scatter plots
in 1994, the profit is $250,000 in 1995, the profit is $280,000 in 1996, the profit is $240,000 in 1997, the profit is $320,000 in 1998, the profit is $310,000 this information is in a chart but charts don't work here so anyways [it looks something like
asked by kamilla 
Chemistry
If you mix KC2H3O2 and BaCl2 what is the molecular equation? I got 2 KC3H3O2 (aq) + BaCl2 (aq) > 2 KCl (aq) + Ba(C2H3O2)2 (aq) but I don't know if it is correct. My teacher just gives examples and doesn't explain how to do this.
asked by Holly Y. 
math
what set of intervals would you choose to create a stemandleafplot for each set of data? 263 282 274 265 277 281 277 283 272 267
asked by marie 
Middle East
Why was the Phoenician alphabet a significant development?
asked by Troy 
social studies
True or False.. The purpose of the Declaration of Independence was to complain to Great Britain about the different taxes.
asked by m3n0r 
Spanish
i need a tranlation for this poem please : EN tanto que de rosa y azucena se muestra la color en vuestro gesto, y que vuestro mirar ardiente, honesto, enciende el corazon y lo refrena, y en tanto el cabello que en la vena del oro se escogio, con vuelo
asked by Annaiiz 
gr.7 math
what set of intervals would you choose to create a stemandleafplot for each set of data? 263 282 274 265 277 281 277 283 272 267
asked by vanessa 
physics
A rain cloud contains 2.66 x 10^7 kg of water vapor. How long will it take for a 2.00 kW pump to raise the same amount of water to the cloud's altitude, 2.00 km?
asked by arriell 
physics
A rain cloud contains 2.66 x 10^7 kg of water vapor. How long will it take for a 2.00 kW pump to raise the same amount of water to the cloud's altitude, 2.00 km?
asked by arriell 
physics
Starting from rest a car undergoes a constant acceleration of 6 m/s2. How far will the car travel in the first second?
asked by Anonymous 
English
1. They wear pink and white stripe uniforms. 2. They wear pink and white striped uniforms. (Which one is correct? Are both OK?)
asked by Tom 
math
can someone actually show me all the steps to finding this deriviative. I keep doing the problem out and getting the wrong answer. Find the deriviative of: INVERSEsin(2t)^1/2
asked by carolina 
5th grad math
what is the difference between cubic unit and volume? I know that volume is length X width X height but wouldn't the cubic units come out to the same answer?
asked by Jenny 
psy 202
what are the five maps in writeing?
asked by meshelle 
science 7thgrade
in an organism containig many cells how is th work of the cell performed
asked by kimberly 
5th grade
I need help with 6 math unscrambler problems.
asked by bob 
5th grad math cubic units
Thank you. So then: let's say you're looking at a 3 dimentional block of units: 4 blocks in length, 2 blocks with and 3 blocks high. The volume would be 24, what would the cubic units be? Wouldn't it be the same?
asked by Jenny 
math
5/6 x 15/16 =
asked by Melea 
physics
A helicopter is rising at 4.7 m/s when a bag is dropped from it. (Assume that the positive direction is upward.) (a) After 2.0 s, what is the bag's velocity? (b) How far has the bag fallen? (c) How far below the helicopter is the bag?
asked by Tay 
social studies
How many times has the state of Ohio's flag changed?
asked by Jave 
Science
How many stars form the bowl of the Big Dipper and What part of a carrot plant could be considered a wedge?
asked by Jacob 
us history
In 1754,which country claimed the least amount of land in North America
asked by kevin 
Geography
How has the geography and history of the South helped to create a diverse population that continues to grow?
asked by Sarah 
Socials
Does a government ever have the right to sacrifice individual liberties in the name of freedom?
asked by Sara 
Calculus
What is the area of the largest rectangle that can be placed in a 51213 right triangle (as shown)?
asked by math 
Calculus
What is the difference between f'(x), y', and dy/dx?
asked by Ralph 
Calculus  maximum problem
An isosceles trapezoid is inscribed under the graph oof y =cos x. what are the dimensions which will give the greatest area?
asked by calculus 
English
I hate to read and I did not read the book THe Guns of Navarone. I have to answer one question for four categories; Comprehension, Extending Understanding, Text Analysis, and Context Analysis. Help?
asked by Jacob 
math
How would you describe a dead skunk
asked by hehehehehehehe 
Math
please explain perpendicular to me
asked by Renee 
Childhood Education
Learning to make candy from a recipe would relate most directly to which two of the 13 activity areas? A Math and science B Social studies and science C Cooking and math D Social studies and cooking . I belive the C is the correct answer
asked by Rosa 
maths
in 1994, the profit is $250,000 in 1995, the profit is $280,000 in 1996, the profit is $240,000 in 1997, the profit is $320,000 in 1998, the profit is $310,000 this information is in a chart but charts don't work here so anyways [it looks something like
asked by kamilla 
math
Can you check if my answer is correct? thanks... Find the equation of the line that passes through the points (2,1) and (1, 5). m = y2 y1/x2x1 = 51/ 1(2) = 4/1+2 = 4/3
asked by drake 
Algebra 1
Find the equation of the ine that contains the point (5,  1) and has slope 1/5. please help!
asked by Corine 
math
Can you help me answer this question? I have no idea how to do this... 1. Is (2,3) as solution of the system 3x +4y = 18 2x  y =1?
asked by Carla 
Math
How do you simplify a expression with positive exponents? How do you write a fractions an expression using a negative exponent?
asked by Zava 
math
please help, I have a test tomorrow and i don't get this. solve by substitution 1. y = x  3 x + y = 5 2. 5x + 2y = 0 x  3y =0
asked by Jim 
Physics
A water slide is constructed so that swimmers, starting from rest at the top of the slide, leave the end of the slide traveling horizontally. One person hits the water 5.00 m from the end of the slide in a time of 1.000 s after leaving the slide. Ignoring
asked by Vince 
Literacy development
Why is the homeschool connection during the early stages of learning to read?
asked by Anonymous 
texas history 1830's
I sm having a difficul time trying to find information about captain john chaffin. please help
asked by billy 
latin
i need help translating this sentance to latin.. "six safe and favorable slaves were standing under their healthy statues and always satisfied the opinion of the cruel syracusans with wisdom"
asked by lexi 
Socials
Means and Ends The selection below is based on an editorial which appeared in a French newsapaper during the Reign of Terror: Yes, terror is the order of the day, and ought to be for the selfish,...for the heartless rich,...for all who do not feel the
asked by Sara 
English
find the prefix and root of overrule?
asked by mildred 
Chemistry
Calcium nitrate and ammoonium fluoride react to form calcium fluoride, dinitrogenmonoxide and water vapor. What mass of each substance is present after 28.42 g of calcium nitrate and 29.60 g of ammonium fluoride react completely?
asked by Brittany 
science
How are elements represented on a periodic chart?
asked by Jordan 
Physics
In a ferris wheel, one person is at the top and another at the bttom. The ferris wheel rotates such that the magnitude of the tangetial velocity of each person is equal vtop=vbottom. Determine for the person at the bottom, the force the seat exerts on
asked by rasuka_geo 
math
how to dived fraction
asked by mariana 
Chemistry
metal hydrides react with water to form hydrogen gas and the metal hydroxide. How do you calculate the mass of hydrogen gas that can be prepared from 3.78 g of SrH2 and 3.5 g of H2O? a) how many moles of H2 can be produced from given mass of SrH2? b) How
asked by Brittany 
math
what are two whole numbers whos product is 1,224 and whos sum is 70
asked by mary 
math
how to dived fraction
asked by mariana 
Math
At a club play, 117 tickets were sold. Adults' tickets cost $1.25 and children's tickets cost $0.75. In all, $129.75 was taken in. How many of each kind of ticket were sold? I don't know how to set up the equation. Work Done Is it: 1.25x + 0.75y=129.75
asked by Esther 
Chemistry
If you mix KC2H3O2 and BaCl2 what is the molecular equation? There is a reaction because I did the experiment in class and the result was a white cloudy liquid but no precipitate. I got 2 KC3H3O2 (aq) + BaCl2 (aq) > 2 KCl (aq) + Ba(C2H3O2)2 (aq) but I
asked by Holly Y 
phys
the 300series shinkansen train of japan has aluminum cars, so that it can reach high speeds more easily. ten of the sixteen cars of a 300series train have their own 300.0 kW motors, one for each of their four axles. What is the work done by one car's
asked by arriell 
Bio
In spite of factors that tend to restrict cell size, some plant cells are very large. For example, some marine algae have cells almost as large as a chicken egg which of the following characteristics would favor the growth of large cells? 1 thin layer of
asked by bubba 
physics
a person whos mass is 102 kg stands on a beam supported by two ropes , A and B, he is standing on one foot to help you solve this problem.
asked by vic 
science
what type of cell is mitosis? what type of cell is meiosis?
asked by mary 
Math
Take the greatest care with your significant digits. If you don't this qusestion is not do able. Llyn Gweision ( A welsh lake) has a surface area of 10km2. It is fed by two rivers: the afron Chwefru and the nant aeron. The Chwefru has a catchment area of
asked by Heena 
chemistry
chemical analysis shows hemoglobin contains 0.34% of Fe by mass. How many moles of Fe wold be in a 100.00 g sample? Thank you.
asked by Brittany 
Math
Make up a set of at least twelve numbers tahtn have the following landmarks. Maximum:8 Range:6 Mode:6 Median:5
asked by Christina 
Stat
Label each following situation (P)Parametric or (NP)Non Parametric 1.From a written survey where the respondents were asked to rate an individual on a scale of 1 tp 5, one group rated an individual a 3.7, a another group rated the individual a 4.3. Is the
asked by Shon 
chemistry
we did a bunsen burner lab where we burned paper clips. We burned it for about 10 seconds then cooled it in water. I know this is a physical change but i need to come up with 3 chemical changes that occured. I already came up with the water vapor that
asked by astrid 
Cost Accounting
(allocating joint cost) In one joint process, Hardahl Chemical produces three joint products and one byproduct. The following information is available for September 2008 Sales Value at Cost after Final SellingProduct Gallons SplitOff per gallon SplitOff
asked by Danny 
chemistry
D > E and E > F have yield of 61% and 83% respectively. what is the overall percent yield for conversion D > F? thank you.
asked by Brittany 
geometry
what is the area of a piece of fabric that has the measurement of (s  4)
asked by michael 
Literacy development
why has the teaching of reading become so controversial even at times political
asked by Anonymous 
social science
why does the constitution specify different ways to determain the number of members for the House and for the Senate?
asked by kate 
English1A
Writeacher I finished the rest of the essay, it's a group thing so I had to put everyone's essay into one. Greetings and Gestures Culture plays a large role on how individuals communicate with one another, including how they express themselves. There are
asked by Kuromi 
physics
A sled is pulled at a constant velocity across a horizontal snow surface. If a force of 100 N is applied to the sled at an angle of 40 degrees to the ground, what is the force of friction between the sled and the snow?
asked by Brittany 
Physics
the sun's mass is 1.99*10^30 kg and it has a radius of 6.96*10^8 m.What is the Sun's gravitational field strength at its surface.
asked by Anonymous 
Physics
the sun's mass is 1.99*10^30 kg and it has a radius of 6.96*10^8 m.What is the Sun's gravitational field strength at its surface.
asked by Anonymous 
english biographies
why is henry the eighth important and why,what charesteristics/things make him important,how he contributed to his speciality
asked by lak1232 
Physics
A wagon with a weight of 200.00 N is accelerated across a level surface at 0.8 m/sec squared. What net force acts on the wagon?
asked by Brittany 
Science
In a measurement of precipitation (rainfall), a raingauge with an orifice (collector) area of 30.50 in2 collects 1.30 litres of water over a period of 26 minutes and 45 seconds.[10] Calculate: 1) The depth (amount) of rain that fell (in mm). 2) The
asked by Bubble 
Socials
What were the goals of the French Revolutionaries? Do you think they were worth fighting for? Is the writer justified in saying that any means are all right when fighting for a worthy cause? The goals of the French Revolutionaries were to give liberty,
asked by Sara 
Physics
A small solid sphere, with radius 0.25 cm and mass 0.61 g rolls without slipping on the inside of a large fixed hemisphere with radius 17 cm and a vertical axis of symmetry. The sphere starts at the top from rest. (a) What is its kinetic energy at the
asked by Ray 
Science
A ball is thrown from a cliff at a horizontal speed of 3m/second and at the same time a second ball is dropped straight down from the cliff. How fast will the dropped ball be going after 2 seconds?
asked by Steve Felton 
calculus
Gravel is being dumped from a conveyor belt at a rate of 50 cubic feet per minute. It forms a pile in the shape of a right circular cone whose base diameter and height are always equal to each other. How fast is the height of the pile increasing when the
asked by Leonardo 
physics
A 70.0 kg climber is supported in the "chimney" by the friction forces exerted on his shoes and back. The static coefficients of friction between his shoes and the wall, and between his back and the wall, are 0.760 and 0.610, respectively. What is the
asked by christine 
physics
a person whos mass is 102 kg stands on a beam supported by two ropes , A and B, he is standing on one foot to help you solve this problem.what is the tension of the two ropes? the entire beam itself is 4.56 m and the person is stading from left to right in
asked by jonh 
Socials
Does a government ever have the right to sacrifice individual liberties in the name of freedom? No, the government never has the right to sacrifice individual liberties in the name of freedom beacause those rights make us individuals stand out. Rights such
asked by Sara 
Human Resources Management
Answer the following questions about a new employee training program for the position you selected for your final project: o Needs assessment: What types of issues might indicate a need for training? From what sources would these issues be identified? If
asked by Stephanie 
Buiness
Create a taxonomy of 10 management that lists the author, theory and significance. In addition write a conclusion defending the statement that there is no one best theory to fit all situtions
asked by Manuel 
health
"Why is an integrated understanding of culture health, beliefs, and family neccessary to implement the utilization of health care.
asked by pj 
economicsBudget Constraint & Utility
Sally is a frequent flyer whose fares are reduced through coupon offerings. She receives a 20% reduction on fares after she flies 20,000 miles, and 40% reduction after she flies 40,000 miles. a) Illustrate her budget constraint. b) Illustrate how her level
asked by Victor 
physics
When will your apparent weight be greatest, as measured by a a scale in a moving elevator; when the elevators: (a) accel. downward (b) accel. upward (c) is in free fall (d) moves upward at a constant speed? In what case would you weight be the least? When
asked by Sasha 
Physics
A small solid sphere, with radius 0.25 cm and mass 0.61 g rolls without slipping on the inside of a large fixed hemisphere with radius 17 cm and a vertical axis of symmetry. The sphere starts at the top from rest. (a) What is its kinetic energy at the
asked by Ray 
english
what comment do you think fitzgerald is amking about youth culture? in bernice bobs her hair
asked by yes 
L.A/History
What is Vocabulary Strategy ABC's?
asked by Anonymous 
Socials(Ms.Sue)
No, the government never has the right to sacrifice individual liberties in the name of freedom because those rights make us individuals stand out. It is important for us individuals to stand out because we make a community. Some individual rights are
asked by Sara 
Chemistry
Is this correct? What is the experimental empirical formula of zinc chloride? Determine the simplest whole number ratio of moles of zinc used, to moles of chlorine reacted in the zinc chloride that was produced..028 moles of Zinc .025 moles of Cl .025
asked by Madison 
algebra
how do you represent the xinterept of the graph y=2/3x+6?
asked by erika 
math
1/2x1/4y=7/2 3/4x+1/3y=19/2 How do i change these into y=?
asked by please help(: 
Finance
Solve for x. 10000 = 2500(1.0425)^3 + X(1.0425)^2 + 3500(1.0425)^1
asked by Lance 
math
In a measurement of precipitation (rainfall), a raingauge with an orifice (collector) area of 30.50 in2 collects 1.30 litres of water over a period of 26 minutes and 45 seconds.[10] Calculate: 1) The depth (amount) of rain that fell (in mm). 2) The
asked by Pleasehelp! 
business law
Fess, a farmer, contracted to sell his cabbage crop to Chris C. for $475, the contract being made one week before the harvest. The contract was oral. After the harvest Fess quickly sold the crop to Don Trump instead for $700 when Trump called and offered
asked by BON 
LAW
On Sunday, in a telephone conversation, Oliver agreed to grant Yana an easement for a pipeline across land owned by Oliver for consideration of $50, Oliver to deliver a deed to the easement and Yana to pay the $50 on Friday . On Tuesday Yana wrote Oliver,
asked by BON 
physics
calculate the force of Earth's gravity on a spacecraft 12,800 km (2 Earth radii) above Earth's surface if its mass is 1350 kg. i know the universal gravitation formula is Fg = G [(m1 m2)/ r^2] but im not getting anywhere near the multiply choice answers
asked by Sasha 
algebra
Solve the following system: 1/2x1/4y=7/2 3/4x+1/3y=19/2
asked by please help(: 
DrBob222 follow up
Thank you for your reply. The Zn in grams 1.80= .028 moles Zn and Cl in grams 0.90= .025 moles Cl The question was: What is the EXPERIMENTAL empirical formula of zinc chloride? Determine the simplest whole number ratio of moles of zinc used, to moles of
asked by Madison 
english
what does this old english mean in modern english goldsele gumena, gearwost wisse,
asked by kate 
Physics
A Texas cockroach of mass 0.17 kg runs counterclockwise around the rim of a lazy Susan (a circular disk mounted on a vertical axle) that has radius 15 cm, rotational inertia 5.5 103 kg·m2, and frictionless bearings. The cockroach's speed (relative to the
asked by Ray 
Honors Chemistry (check answers)
On a worksheet we got, we have to balance out chemical reaction equations then define what kind of reaction it is (synthesis, decomposition, single/doublereplacement). Would someone be willing to check my answers, please? Thanks!! 1. c) BaO + H2O ==>
asked by Emily 
ENGLISH
If you have read The purloined Letter by Edgar A. Poe, can you help me with the theme please?! Thanks
asked by anonymous 
fiance
You want to create a $75,000 portfolio comprised of two stocks plus a riskfree security. Stock A has an expected return of 13.6 percent and stock B has an expected return of 11.4 percent. You want to own $30,000 of stock B. The riskfree rate is 4 percent
asked by brandon 
fiance
Sonny owns $5,000 worth of High Risk Enterprises (HRE) stock. HRE has a standard deviation of 16 percent and a beta of 2.0. He wants to invest another $5,000 and create a $10,000 portfolio that is equally as risky as the overall market. Which one of the
asked by brandon 
To Ms. Sue
Ms. Sue can you please take a moment to look at my previous post, thanks.
asked by Sara 
MATH ANALYSIS
What are a couple of examples of multivariable functions used in real life??
asked by anonymous 
Finance
You would like to create a portfolio that is equally invested in a riskfree asset and two stocks. The one stock has a beta of .80. What does the beta of the second stock have to be if you want the portfolio risk to equal that of the overall market?
asked by brandon 
Math
Sonny owns $5,000 worth of High Risk Enterprises (HRE) stock. HRE has a standard deviation of 16 percent and a beta of 2.0. He wants to invest another $5,000 and create a $10,000 portfolio that is equally as risky as the overall market. Which one of the
asked by brandon 
ENGLISH
If you have read The purloined Letter by Edgar A. Poe, can you help me with the theme please?! Thanks
asked by anonymous 
Physics
In a playground, there is a small merrygoround of radius 1.20 m and mass 190 kg. Its radius of gyration (see Problem 85 of Chapter 10) is 91.0 cm. A child of mass 44.0 kg runs at a speed of 4.50 m/s along a path that is tangent to the rim of the
asked by Ray 
Chemistry
Consider the reaction, 3H2 + N2 â†’ 2NH3. If H2 is reacting at the rate of 0.15 M/s, at what rate is NH3 being produced?
asked by Tierra 
math
it is less than 60 and greater than 55. if you add the digits, the sum is 13
asked by Anonymous 
More Chemistry
4NH3(g) + 7O2(g) â†’ 4NO2(g) + 6H2O(l). Suppose that in this reaction water is being formed at a rate of 28.9 moles liter1 sec1. At what rate (in moles liter1 sec1) is ammonia used up?
asked by Tierra 
Business Law
Fess, a farmer, contracted to sell his cabbage crop to Chris C. for $475, the contract being made one week before the harvest. The contract was oral. After the harvest Fess quickly sold the crop to Don Trump instead for $700 when Trump called and offered
asked by BON 
Algebra
State whether each equation represents a linear, quadratic, or exponential function. Tell how you decided. 1. y = 9^3x + 4 2. 4x = 5  y 3. y = 2x^2 + 23 – 14x
asked by Matt 
Algebra
The Political Noise Problem. The amount of background noise is important to television news reporters. One station developed the formula N = t2 + 10t + 56 showing the noise level in decibels (N) as it relates to the time after the speaker stops talking in
asked by JR 
Equation stuff...
Write your answer in standard form with integer coefficients. 1. (5, 2); m = 2/5 2.(6, 1); m=4 how do i do this?
asked by Chrissy 
Physics
In a playground, there is a small merrygoround of radius 1.20 m and mass 190 kg. Its radius of gyration (see Problem 85 of Chapter 10) is 91.0 cm. A child of mass 44.0 kg runs at a speed of 4.50 m/s along a path that is tangent to the rim of the
asked by Ray 
geometry
A parallelogram has sides 15cm and 18cm.The height corresponding to a 15cm base is 9cm.Find height corresponding to an 18cm base.
asked by Anonymous 
geometry
suppose the bases of the rectangle and triangle in the building above are doubled to 40ft,but the height of each figure remains the same.How is the force of the wind against the side of the building affected?
asked by critical thinking 
math
thanks ms sue wold it be 58?
asked by Anonymous 
math
it is greater than 30 and less than 40 add the digits the sum is 10
asked by Anonymous 
spanish
what does corregir los campos senalados mean in english
asked by judy 
math/stock
You want to create a $75,000 portfolio comprised of two stocks plus a riskfree security. Stock A has an expected return of 13.6 percent and stock B has an expected return of 11.4 percent. You want to own $30,000 of stock B. The riskfree rate is 4 percent
asked by brandon 
pre calculus
Use the following conditions to create a sketch of the function by hand. a. vertical asymptote at x=3 b. xintercept of 1 and 5 c. f(2)=f(4)=f(6)=3 d. increasing on [0,3) and [5,infinity) e. decreasing on (3,5] f. f(x) is an odd function I don't know how
asked by Muffy 
english
give 5 reasons why verbs are important to your life
asked by brittany 
Investing
Sonny owns $5,000 worth of High Risk Enterprises (HRE) stock. HRE has a standard deviation of 16 percent and a beta of 2.0. He wants to invest another $5,000 and create a $10,000 portfolio that is equally as risky as the overall market. Which one of the
asked by brandon 
Physics
In a playground, there is a small merrygoround of radius 1.20 m and mass 190 kg. Its radius of gyration (see Problem 85 of Chapter 10) is 91.0 cm. A child of mass 44.0 kg runs at a speed of 4.50 m/s along a path that is tangent to the rim of the
asked by Ray 
10th grade
A parallelogram has sides 15cm and 18cm.The height corresponding to a 15cm base is 9cm.Find height corresponding to an 18cm base.
asked by Geometry 
10th grade
suppose the bases of the rectangle and triangle in the building above are doubled to 40ft,but the height of each figure remains the same.How is the force of the wind against the side of the building affected?
asked by Geometry 
8th grade
WHAT IS A CHEMICAL SOLUTION AND GIVE AN EXAMPLE?
asked by DANNY 
childhood Education
One of the major purposes of the personal interview is to relieve the anxieties of the A program director B caregiver C enrolling child an parents. D children who are already in the program. I belive the C is correct answer.
asked by Rosa 
Math
Cindy has two fourths of a circle and three tenths of a circle. What does she need to make a whole circle?
asked by Juanita 
English
Let's work in pairs. Say the specialty of your friend you know well to your partner. Use the following pattern. * I have a friend who ___________. For example, if one of your friends swims very well, say to your partner,"I have a friend who can swim very
asked by Tom 
Geography
Why does London experience spring in MARMAY, summer in JUNAUG, autumn in SEPNOV, Winter in DECFEB? HOW IS IT RELATED TO ROTATION & REVOLUTION?
asked by Sakina 
bookz
could i find a geometry book at the libray?
asked by vanessa 
English
I want to know all the Rhetorical and Figurative Devices and Examples in the Essay Hidden Lesson by David Suzuki
asked by Derek 
Finance
Why there is difference between purchase price and sale price of foreign currency?
asked by chintan 
health
what are the advantages and disadvantagesof Process and Outcome measures of quality
asked by Deborah