Questions Asked on
October 12, 2009

Chemistry
A solution contains Cr+3 ion and Mg+2 ion. The addition of 1.00 L of 1.55 M NaF solution is required to cause the complete precipitation of these ions as CrF3(s) and MgF2(s). The total mass of the precipitate is 49.8 g. Find the mass of Cr+3 in the
asked by Kyle 
chemistry
Molecular size in real gases causes positive deviations from the PV/RT ratio of an ideal gas. a. True b. False
asked by Sheena 
Physics university
In a tennis match, a player wins a point by hitting the ball sharply to the ground on the opponent's side of the net. If the ball bounces upward from the ground with a speed of 17 m/s , and is caught by a fan in the stands with a speed of 12 m/s , how high
asked by Jessica 
Physics
In an old fashioned amusement park ride, passengers stand inside a 5.0m diameter hollow steel cylinder with their backs against the wall. The cylinder begins to rotate about the vertical axis. Then, the floor that the passengers are standing on suddenly
asked by Jacqui 
Chemistry
Can someone please help me on this two Chemistry questions...they are from my lab....the lab was on Acids and Bases using Red Cabbage Indicator. Q1 How consistent was the cabbage juice indicator for this lab? Discuss the limitations of using red cabbage
asked by Jessie 
Physics
In the dangerous "sport" of bungeejumping, a daring student jumps from a balloon with a specially designed elastic cord attached to his ankles, as shown in Figure P5.69. The unstretched length of the cord is 28.0 m, the student weighs 680 N, and the
asked by Steph 
physics
In the high jump, the kinetic energy of an athlete is transformed into gravitational potential energy without the aid of a pole. With what minimum speed must the athlete leave the ground in order to lift his center of mass 2.00 m and cross the bar with a
asked by will 
3rd grade
write addition vertically.decide which new groups you will make.then add to see if you are correct. 256+1273_________ a new ten?________ a new hundred?___________ a new thousand?_________ i need answer and explain how
asked by mark 
Physics
Gravitational force of attraction "F" exists between two point masses A and B when a fixed distance separates them. After mass A is doubled and mass B is quarted, the gravitational attraction between the two masses is: Do you add 2 and 4?
asked by Chris 
physics
How long will it take a 1920 W motor to lift a 285 kg piano to a sixthstory window 16.0 m above?
asked by jerry 
physics
An elevator weighing 2400 N ascends at a constant speed of 5.0 m/s. How much power must the motor supply to do this?
asked by Dan 
physic
A 660 N cat burglar is supported by cables in the figure below. Assume the angle è of the inclined cable is 36.0°. Find vertical cable? Thank you so much for your help.
asked by Chan 
physics
A 710 kg car drives at a constant speed of 23m/s . It is subject to a drag force of 500 N. What power is required from the car's engine to drive the car (a) on level ground? (b) up a hill with a slope of 2.0?
asked by Dan 
Math
A physical fitness association is including the mile run in its secondaryschool fitness test. The time for this event for boys in secondary school is known to possess a normal distribution with a mean of 450 seconds and a standard deviation of 50 seconds.
asked by Chris 
3rd grade math
write each addition vertically.decide which new groups you will make.then,add to see if you were correct. 256+1273___________ a new ten?____________ a new hundred?_________ a new thousand?____________ need answers and please explain
asked by mark 
math
if you invest $7500 in a mutual fund at $34.53 per share, how much profit would you make if the price per share increases to $46.17?
asked by Bob 
chemistry
Calculate q in J when 2.02 g of ice is cooled from 22.6°C to 73.8°C (cice = 2.087 J/g·K). Do not add units to your answer.
asked by Sheena 
Physics
A person on horseback moves according to the velocityversustime graph shown in Figure 232. (The vertical axis is marked in increments of 1 m/s and the horizontal axis is marked in increments of 7 s.) Find the displacement of the person for each of the
asked by Robert C 
4th Grade Math
Arrays and an expanded algorithm: 23 x 17
asked by Laura 
math
Write an explanation of the steps you use to convert a measurement in one unit to a measurement in another. 1) How many picometers are there in a kilometre?
asked by jo 
Physics
A projectile is launched at an angle of 6.0 degrees above the horizontal. Which component of the velocity vector remains the same during the flight (neglecting friction).
asked by Mike 
Geography
Alrighty, this is what I got with my essay and I worked really hard! How is it? Until the early 1500’s the Roman Catholic Church was the one who decided all religious matters for the Christian Western Europe. When some Christians started to protest
asked by mysterychicken 
physics
A 1100 kg sports car accelerates from 0m/s to 33m/s in 13s What is the average power of the engine?
asked by Dan 
Physics
A stone, initially at rest, is dropped from the top of a building. On its way down, it passes a window that is 2.52m tall. It takes 0.134 seconds to pass the window. From how far above the top of the window was the stone dropped?
asked by Bill 
Math
Pam is taking train from the town of Rome to the town of Florence. Rome is located 30 miles due West of the town of Paris. Florence is 25 miles East, and 45 mies North of Rome. On her trip, how close does Pam get to Paris? My work so far... She's in Rome
asked by SC 
physics
You are explaining to friends why astronauts feel weightless orbiting in the space shuttle, and they respond that they thought gravity was just a lot weaker up there. Convince them and yourself that it isn't so by calculating how much weaker gravity is at
asked by Elizabeth 
chem
An unknown gas Q requires 1.80 times as long to effuse under the same conditions as the same amount of nitrogen gas. What is the molar mass (g/mol) of Q?
asked by Sheena 
chemistry
What is the general formula for a hydrate?
asked by Anonymous 
physic
Hi!Two forces are applied to a car in an effort to move it, as shown in the following figure, where F1 = 439 N(10degree) and F2 = 365 N(30degree). (Assume up and to the right as positive directions.) (a) What is the resultant of these two forces?
asked by Chan 
phyisics
an orangutan throws a coconut vertically upward at the foot of a clif 40 m high while his mate simulaneously drops another coconut from the top of the clif. the two coconuts collide at an altitude of 20 m what is the initial velocity of the coconut that
asked by Carolina 
math
the altitude of a triagnle is 2cm shorter then its base. the area is 15cm squared. determine the base of the triangle.
asked by byran 
english
Which of the following usually gets a source note on the same page it appears? a. Quote b. Photo c. Paraphrased Passage d. Statistics please help me it urgent!! thank you!
asked by shakib 
math
on earth, in the absence of air, the rock in excersise 13 would reach a height of s=24t 4.9t^2 meters in t seconds. How high would the rock go? (exercise 13:a rock thrown vertically upward from the surface of the moon at a velocity of 24m/sec reaches
asked by sammi 
Social Studies
What factors were responsible for the growing wealth and prosperity of England in the 17th century This is a question from Crossroads Socials 9 Please help.
asked by Blake 
chemistry
If 150.0 Ml of HCL solution are required to react completely with .35 moles of solid NaOH whats the molarity of the solution?
asked by Aleander Azumah 
Physics
An object travels in a circular path of 5.0 meters at a uniform speed of 5. m/s. What is the magnitude of the object's acceleration? I do not know what formula I am suppose to use!
asked by Sam 
pysics.
What is the minimum work needed to push a 975 kg car 230 m up along a 17.5° incline? Assume the effective coefficient of friction retarding the car is 0.20?
asked by Joe 
Last physics question for the night
A 18000kg airplane lands with a speed of 77 m/s on a stationary aircraft carrier deck that is 115 m long. Find the work done by nonconservative forces in stopping the plane. How do i do this?
asked by Jessica 
AP Calculus
An Initial amount of 100 grams of Thorium234 decays according to the model: dP/dt=0.02828P (where t is measured in years). a) Find the equation for the amount of Thorium left after t years. b) Determine the halflife of this radioactive isotope c) How
asked by RC 
Physics
The water in a river flows uniformly at a constant speed of 2.53 m/s between parallel banks 69.8 m apart. You are to deliver a package directly across the river, but you can swim only at 1.74 m/s. (a) If you choose to minimize the time you spend in the
asked by Zoe 
probability
A pizza shop offers nin toppings. No topping is used more than once. What is the probability that the toppings are pepperoni, onions, olives, and mushrooms? Round your answer to the nearest thousandth.
asked by Sharon 
trig
Point P is located at the intersection of a circle with a radius of r and the terminal side of an angle q. Find the coordinates of p to the nearest hundreth. q = 60° , r = 7
asked by kt 
physics
A sign with a mass of 1000.0 kg is suspended from a wall with a cable that is attached to the wall at a point 3 m above a horizontal beam that causes the sign to be a distance of 4 m from the wall. What is the tension in the cable?
asked by ken 
Biology
1. A famous scientist once said that wherever in the universe life exists, some of those lifeforms must be colored. Why would the scientist make such a statement? 2. One of the accessory pigments used in photosynthesis is betacarotene, a carotenoid found
asked by KC 
Physics
The water in a river flows uniformly at a constant speed of 2.53 m/s between parallel banks 69.8 m apart. You are to deliver a package directly across the river, but you can swim only at 1.74 m/s. (a) If you choose to minimize the time you spend in the
asked by Zoe 
physics
You are explaining to friends why astronauts feel weightless orbiting in the space shuttle, and they respond that they thought gravity was just a lot weaker up there. Convince them and yourself that it isn't so by calculating how much weaker gravity is at
asked by Elizabeth 
2nd grade english
i want to write an essay on My Dream House in about 80100 words please help me
asked by sheetal 
Socials
compare figure 31, a map of France's physical features, with figure 32, a map of France's agricultural products by district. Then comapre both figures with Figure 34, a map that shows the standard of living in various regions of France during the 17th
asked by Sara 
12th grade Economics
The chapter states that the elderly population in the U.S. is growing more rapidly than the total population. In particular, the number of the total workers is rising slowly, while the number of retirees is rising quickly. Concerned about the future of
asked by Emily 
physics
How much work must you do to push a 13 block of steel across a steel table at a steady speed of 1.3 for 3.7 ? what is the Wnet and P?
asked by Dan 
chemistry
A rectangular metal bar has a volume of 50.0 inches cubed.The Metal BaR weighs 1.42kg. Calculate the density of the metal in grams per cubic centimeter.
asked by Kevin 
7th grade  Social Studies
how do you think women and native americans felt about not being included under the 14th amendment? how do you think white women felt when former slaves were allowed to vote and they were not? what percent of slaves were not freed after the issue of the
asked by sheila 
Geography
Some time ago, I posted up an essay that I had to write but its information was out of my book so i was told to make it in my own words. I have to mail out the exam today and I still havn't gotten anywhere with it!! I've tried to understand each of the
asked by mysterychicken 
Math
What does the representational form of a number mean? For example the representational form of the number 3758.
asked by Angie 
physics
What minimum speed does a 150g puck need to make it to the top of a 3.6m long, 23 degree frictionless ramp?
asked by Dan 
physics
Two persons start at the same place and walk around a circular lake in opposite directions. One has an angular speed of (1.40 x 10^3) rad/sec. The other has an angular speed of (3.70 x 10^3) rad/sec. How long (how much time) will it be before they meet?
asked by Bill 
pysics
A 900 kg car rolling on a horizontal surface has speed v = 60 km/h when it strikes a horizontal coiled spring and is brought to rest in a distance of 2.2 m. What is the spring stiffness constant of the spring? I solved this and i had 25826.44629, but i am
asked by TC 
Math
Order of Operations... I have a question on my homework... It's order of operations Need specific problems?
asked by Easton 
Physics
A 2.0 kg mass is moving to the right at 3.0 m/s . A 4.0 kg mass is moving to the left at 2.0 m/s. A) If after the collision the two masses join together what is their velocity after the collision? 3.0 X 2.0 = 6m/s. Is this correct? B)Is this a elastic or
asked by John 
physics
You drop a ball from a height of 2.8 m, and it bounces back to a height of 1.0 m. (Ignore air resistance.) (a) What fraction of its initial energy is lost during the bounce? b) What is the ball's speed just as it leaves the ground after the bounce? (c)
asked by mike 
to SRA or Mathmate corrected answers for French
I got the rest execpt this one Marie joue au football. Elle est. I have been looking in my textbook for the last 20 minutes and still can't find the answer. Can someone please help me!!
asked by bubbles 
Physics
A 4.1 kg block is attached to a spring with a force constant of 550 N/m , as shown in the figure. Find the work done by the spring on the block as the block moves from A to B along paths 1 and 2. W=? How do your results depend on the mass of the block?
asked by Jenna 
science
Nikki lives near the deepest ocean trench in the world. What country does she live in?
asked by Jessica 
Twilight
I would like to know everyone's opinion on Twilight. rate from 0 to 5. We are supposed to pick one topic, it can be on anything, so I chose twilight. I just need the average rating,thanks.
asked by Alice 
literary
what is foreshadowing and what is flashback?
asked by Leah 
writing
i have an essay exam tomorrow, please can someone help me get some ideas about symbolic violence and how it effects men. I need it as soon as possible; because i have no idea about anything. Please someone help me!!!
asked by help 
Happy Thanksgiving
I just want to wish everybody a happy thanksgiving day:) Happy thanksgiving day Ms. Sue:) I hope you have a wonderful day:)
asked by Sara 
science
what are the pros and cons of thermal expansion?
asked by brandon 
Math
A quadrilateral is a ____ if and only if one pair of opposite sides are parallel and the other pair of opposite sides are congruent. Choices: Kite, Parallelogram, Rhombus, Square, or rectangle
asked by Matt 
Biology!
Inorganic fertiliser is applied each year to fields bordering a lake. the fertiliser runs off into the lake and causes six changes which altogether make the fish die. 1. aerobic bacteria feed on dead plants 2. algae reproduce faster 3. light cannot
asked by Marrion 
6th grade
How could you identify a pure metal if you have a balance?
asked by Anonymous 
physics
With what minimum speed must you toss a 160 ball straight up to hit the 15 high roof of the gymnasium if you release the ball 1.7 above the ground? Solve this problem using energy.
asked by Dan 
Biology!!!!
Which blood vessel contains blood that has high oxygen concentration, low carbon dioxide concentration, and high pressure? 1. aorta 2. pulmonary artery 3. pulmonary vein 4. vena cava I wrote the answer as 3, but is wrong. Which one is the correct answer?
asked by Marrion 
Chemistry
A student finds a medallion which could be made of pure platinium or silver. IN order to find out what the medallion is made of the student takes the medallion to a chemistry lab. The student measures the density of the medallion as follows. The medallion
asked by Kevin 
Biology
Which is the most direct way that the carbon in starch stored in cereal grain can be released to the atmosphere as carbon dioxide? 1. grain destroyed by fire 2. grain eaten by birds 3. grain made into bread and eaten by humans 4. grain stored in damp
asked by Marrion 
Math  Fundamental Theorem
We can actually use the Zeros Theorem and the Conjugate Zeros Theorem together to conclude that an odddegree polynomial with real coefficients must have atleast one real root (since the nonreal roots must come in conjugate pairs). But how can we get the
asked by Sean 
Biology!
What is the role of bacteria in the making of yoghurt from milk? 1. to make alcohol 2. to make carbon dioxide 3. to make lactic acid 4. to make lactose coagulate I think the answer is number 4, but i'm not so sure.
asked by Marrion 
math156proportions
how do I find the value of y in 2/y=4/5
asked by james 
Psy210
I was wondering if someone could help me with a homework assignment that wants us to identify two major changes or challenges associated with that developmental stage(adolescence, young adulthood, middle adulthood, and late adulthood. For each of three
asked by Jen 
History
Could anyone help me write a four paragraph essay with a thesis statement, based on this question?: Louis XIV declared his goal was 'one king, one law, one faith." Analyze the methods the king used to achieve this objective and discuss the extent to which
asked by Anonymus 
algebra
The function p(d)=1+d/33, gives the pressure, in atmospheres (atm), at a depth d in the sea (d is in feet). Note that p(0)=1 atm, p(32)=2 an so on. Find the pressure at 200 feet. Type an integer or simplified fraction.
asked by Barb 
Calculus
Which of these rational functions has a ) horizontal asymptote? a slant asymptote? no vertical asymptote? r(x)= 2x1/ x^2x2 = 2x1/ (x2)(x+1) s(x)= x^3+27/x^2+4 = (x+3)(x^23x+9)/(x2)(x+2) t(x)=x^39x= x(x3)(x+3)/x+2 u(x)=x^2+x6/x^225=
asked by Anonymous 
Drug Abuse (URGENT)
What are some non physical effects of marijuana use? I've found lots of physical but I can't seem to find any non physical effects. Can someone help me please. Thanks very much.
asked by John 
environmental science
i really need help : thanks using the highest growth rate of 4.4 and beginning with the 1970 population of 584,000 calculate the population of Botswana in 2000 and project it for 2050. use the formula N=N0(zero is the bottom of the N) * e^kt. how many more
asked by annaiiz 
Chemistry
Hi there, I have to create a paragraph discussing 1pentanol, 1decanol and 1butanol in regards to the principles of intermolecular bonding. Which one of the molecules have stronger intermolecular forces and why? Could you give me some pointers or tips
asked by Brandon 
english
Can you help me answer this question. I am supposed to write an assignment for grade 10 English about a dream I had and an interpretation of it. I am finding it difficult to interpret the dream, any suggestions?
asked by rami 
math
thanks Ms Sue how did you change the neg to positive what rule applies ?
asked by alyce 
Biology!!!
Which method of birth control prevents the implantation of the fertilised egg? 1. coil (mechanical) 2. condom (mechanical) 3. spermicide (chemical) 4. vasectomy (surgical) I don't get the question. The correct answer was number 1, but shouldn't all the
asked by Marrion 
Psy210
I was wondering if someone could help me with a homework assignment that wants us to identify two major changes or challenges associated with that developmental stage(adolescence, young adulthood, middle adulthood, and late adulthood. For each of three
asked by Jen 
College Physics (repost)
A 4.1 kg block is attached to a spring with a force constant of 550 N/m , as shown in the figure. Find the work done by the spring on the block as the block moves from A to B along paths 1 and 2. W=? How do your results depend on the mass of the block?
asked by Jenna 
Biology!!
I'd like to know, how many chromosomes are there for humans? (Correct me if i'm wrong) There are altogether 46 chromosomes, (or 23 pairs of chromosomes), which includes a pair of sex chromosomes.
asked by Marrion 
social studiesSara
please help me with a few more. Specifically with a group that maybe eats at a certain time or a special person has to prepare it?
asked by Alyssa 
English
A special ceremony called The Ceremony of the Keys is performed there nightly. What is the adverb, then what is the word that modifies it and is that word a verb, an adjective or another adverb?
asked by Montana 
Maths
for y=sin nx 'n' is called the frequency. what effect does 'n' have on the graph ??
asked by Newy 
math
name the digit in the 4321st place of each of the following decimals. ______ 0.142857 0.1234567891011121314....
asked by Bob 
4th grade
what is the rule for the number pattern 1,2,4,7,11,16
asked by tyrek 
To Alyssa
Alyssa you can go and check out your previous post, I have added to it.
asked by Sara 
albgbra
please help me solve this problem.32x^4y^8/6x^6
asked by alyssa 
Criminal Justice
I am preparing the DSST (Dantes) examine in Criminal Justice. I had been looking for some practice tests for this examine. The only practice examines I could locate werei in "Rudman's Quesiton & Answers on the Dantes Subject Standardized Test in Ciminology
asked by G 
Geometry
Will a nonregular acute triangle tessellate the plane?
asked by jj 
Biology
In a doublestranded fragment of DNA, which of the base pairs would you expect to be most stable
asked by  
math
12/8/4+7/2+12=?
asked by needshelp101 
Math
1) Given that f(x,y)=xy/x^2+y^2, hence show that f(xy) = f(yx) 2) use the mean value theorem to determine the value of c, given that f(x) = cos5x
asked by Beta plus 
AP Calculus
Use implicit differentiation to find the derivative for: arctan(xy)=1+x
asked by RC 
Math Analysis
4. Find f(x) + g(x) when f(x) = x^(1/2) and g(x) = 6x^(1/2). ===> I got the square root of 7x. Is this right? 16. Find f(x)/g(x) when f(x) = (2x)^(1/2) and g(x) = 2*(sqrt2)*x^(1/3). ===> I got (sqrt2x) / (3*cubertx), but I definitely don't think this is
asked by Emily 
3rd grade Math
Writing in Math  How can estimating help you add twodigit numbers?
asked by Julie 
design technology
for my design technology assignment i need to find a product where the designer has thought outside of the box. im not really sure what to do what i thought of was a coca cola can. the designer made it a bright colour to make it more appealing to consumers
asked by aleisha 
Physics
An arrow is fired with a speed of 20.0 m/s at a block of Styrofoam resting on a smooth surface. The arrow penetrates a certain distance into the block before coming to rest relative to it. During this process the arrow's deceleration has a magnitude of
asked by Robert C 
college: physics
A 4.00 102kg piano is being lifted at a steady speed from ground level straight up to an apartment 16.0 m above the ground. The crane that is doing the lifting produces a steady power of 4.00 102 W. How much time does it take to lift the piano?
asked by Anonymous 
3rd grade
darin counted 46 more cars than trucks in parking. there were 29 trucks write an ex pression that shows how many cars were in parking?
asked by Anonymous 
Biology
The absorbance of a protein solution measured in a 1.0 cm cuvette at 278 nm was 1.145. The protein content of that solution, calculated from quantitative amino acid analysis, was 256 micrograms/mL. Calculate the extinction coefficient of the protein in
asked by Anonymous 
social studies
I have to do this project about culture; and I'm trying to prove the point that different cultures consume and prepare food differently. I said that the Chinese use chopsticks, where we use forks here in America, but I would like to include one more
asked by Alyssa 
Partial Derivatives
How do you take the partial derivative of y = (1200z1z2)^1/2 in respect to z1. Please note z1 and z2 are variables. f'z1 = (1200^1/2)(z1^1/2)(z2^1/2) f'z1 = ?? the answer is... f'z1 = ((1200^1/2)(z2^1/2))/((2(z1^1/2)) but I do not know how to get this
asked by Anonymous 
terms
what is a word to describe a person who is always moving?
asked by Ashlynn 
science
Write a systematic method to answer, 'How quickly and how do you produce rocket fuel?' using a boling tube, acid, a balloon, and a measuring cylinder?
asked by Rebekah 
Education
I want to know about educational ps2 games. I tried looking everywhere but was unable to find any. I would like to know about ps2 games which help you learn and spell. List as many as you can, and where I can get them from.
asked by Sheena 
math
Kevin makes $5.25 per hour he worked 18.25 hours. What is the best estimate of the amount of money he made? Do you just divide the 2 numbers?
asked by alice 
12th grade
How long did it take the Bill of Rights to come into effect?
asked by kenia 
Math
How would you simplify (x^2+2xh+h^22x2h2x^2+4x)/h ?
asked by SC 
Math
(1) State the conditions for a singledvalued function of x to be continuous at x = a (2) find the points of discontinuity of the functions (i) x^3 + 4x + 6 / x^2  6x + 8 (ii) sec x (3) Differentiate from the first princiaples (i) x^3 + 2x  1
asked by Max 2 
scientist
what r the 6 step of the scientific method
asked by Anonymous 
movies
are there any good websites where i can download full movies to burn them on to cd's? thanks
asked by y912f 
Math
Five friends ate 12slice pizza. Julie ate twice as many slices as Rich. Jon ate half as many slices as Rich. Jordan and Isaiah together ate half a pizza. Jordan ate one third as many slices as Julie. Isaiah ate the most slices. What fraction of the pizza
asked by Bobby 
English
The count Of Monte Cristo What does Noirter reveal to Franz? What affect does it have?
asked by Kasia 
Accounting 225
Parker Company uses a perpetual inventory system. It entered into the following calendaryear 2005 purchases and sales transactions:
asked by Tonya 
physics
a ball is projected with a speed of 20 m/s from a building toward a second building as shown. ignore air resistance and take g = 10 m/s. where does the ball hit and how long is it in the air if the initial angle is 45 degrees with the horizontal?
asked by head 
Chemistry
Calculate the percentage, by weight, of each of the elements (C, H, O) in glucose. C= 40% H= 6.7% O= 53.3% Correct?
asked by Anonymous 
Science
The question is: What would happen if you tested bleach with a pH indicator and why? I know that it would turn out with a pH of approx. 12, but I have no idea why. Help please?
asked by Amy 
earth science
list four methods that modern mapmakers use to make accurate maps
asked by amber 
English
The three gates of the Tower are securely locked by the Chief Warder, and an escort is especially assigned for the ceremony. What is the adverb and what word modifies it and is it an verb, an adjective or another adverb?
asked by Montana 
Biology!!!
The female mosquito is an effective vector for malaria. What makes it an effective vector? 1. it has wings 2. it lays many eggs 3. it makes noticeable noise 4. it mates several times I wrote the answer as B, but the answer as told on my assessment book
asked by Marrion 
Chemistry
When the following equation is blanced with the lowest ratio whole number, coefficient the cofficient of CO2 is C4H10(g) + O2 > CO2(g) + H2O
asked by Aleander Azumah 
Calculus
Sketch the solution curves for y'=xy How do I sketch this??? Where do I start?
asked by Emma 
chemistry
Based on position in the periodic table and electron configuration, arrange these elements in order of decreasing E_ i1
asked by lisa 
grade 10 science can anyone help me please
do you any websites that can explain the sesonal varities in cnadaina lakes more better, like when it's like 4 digrees somthing wierd happens, type layers are formed in winter..... i tried looking in the internet but couldn't find it. please help me.
asked by sameul 
Creative Writing
ok . here's the 2nd && 3rd paragraph: It was when I woke up that I found out that my parents had left for the hospital. This news was much unexpected and caught me by surprise. Immediately I was filled with pleasure and enthusiasm; I had been waiting for
asked by y912f 
programming
Please write a program to simulate a game called Battleship. First you need to place ships on an N by N board (1
asked by Ryan 
programming
Can you help me show the right program to solve for my homework using C++
asked by Ryan 
science
i am doing a project but i forgot my paper at school and i don't know what to write in my elements of platinum project
asked by sumaiya 
algbera
i got 16y^8/6x^6.please tell me if it is right
asked by alyssa 
Math
Three points D, E, and F are collinear. Is there only one plane that contains these three points?
asked by Matt 
U.S. History
List and dicuss some of the factors that aided European imperalism in the late 1800s
asked by Ra 
Ap environmental science
i really need help : thanks using the highest growth rate and beginning with the 1970 population of 584,000 calculate the population of Botswana in 2000 and project it for 2050. use the formula N=N0(zero is the bottom of the N) * e^kt. how many more
asked by annaiiz 
To Ms. Sue
The list of conditions: 1.lower taxes 2.higher wages 3.access to healthcare 4.stop unearned benefits 5.free access to food 6.low food prices 7.less rent payment Ms. Sue I read through the website you provided for me very carefully. These are mostly the
asked by Sara 
Social Studies
What idea did the United States Constitution borrow from the Iroquois League?
asked by Matthew 
3rd grade
i don't understant how to round to the nearest hundreds
asked by keon 
Scientists
Information on Julie Morgan
asked by Adam 
Physics
A car can go from 0  60mi/h in 3 seconds during free fall. How long will it take for this same car to go from 0  4 mi/h? This is hypothetical situation. The answer I have come up with is 0.2 seconds but my homeowrk system says it is not correct. Is there
asked by Robert C 
Physics
You're lying on a beach. Some distance away, across level ground, is a tall coconut palm. As you watch, a monkey in that tree drops a coconut (from rest) onto hard ground below. The time elapsed from the moment he releases the coconut until it hits the
asked by Bill 
Drug abuse
Where can I find benefits of not using marijuana? help please.
asked by John 
math
I really do not know how to get the answers to these, can you show me on a table form? Thanks 155km to m 2.56Ml to l 155um to mm 1,850nm to mm 1.68Gm to Mm 165pm to nm 2,750u to M 1.5kg to mg I would like to know how to work these out. Thank you
asked by jo 
Preschool teacher needs your help... thx alot?
I am a preschool teacher and my kids are between the ages of 24... what art activity could I give them that connects to the letter E....
asked by Marcia 
terms
i mean what is another word for a person who is always traveling (im writing about the alchemist and i need a word to describe santiago, a person who is unresting in the whole novel) thanks ms sue!
asked by Ashlynn 
biology
nitorgen has an atomic number of 7. which of the following elementshave similair chemical proteries? carbon, neon, phosphorus, or sulfer?
asked by dave 
English
I have an essay exam tomorrow, please can someone help me get some ideas about symbolic violence and how it effects men. I need it as soon as possible; because i have no idea about anything. Please someone help me!!!
asked by HELP 
Math
Two cards are drawn without replacement from an ordinary deck of 52 playing cards. What are the odds against drawing a club and a diamond?
asked by Matt 
math
the position of a body at time t sec is s=t^3  6t^2 + 9t m. Find the body's acceleration each time the velocity is zero.
asked by sammi 
algebra 2
Solve each system of equations by graphing : 3x y=0 and xy=2 put it in y=mx+b form first.
asked by drea 
French
I need help with these four questions It goes with a crossword puzzle Directions: Fill in the blank 1. Jamal a marqué un but! Le score est 1 à 1. Il a  le score. (The word has 7 letters) 2. Marie joue au football. Elle est . (The word
asked by bubbles 
Science
14 letter word for "scientists do their experiments more than once so they can reduce the effects of chance errors. This is called conducting _________
asked by Julie 
algebra
(3x squared10x)divided by(x6)=3x+8+48/x6. but i have no idea how thaproblem was done. pls show me the steps
asked by laci 
math
complete the following conversions. 155u to m = *10^3 1850n to mm = *10^6 1.68G to M = *10^3 from G to M = *10^3
asked by jo 
English / Grammar Check
Can you please tell me if this sentence is in formal language and the grammar is correct? In the novel Manhattan Transfer, manifestation of the fake social face occurs. The characters use masks, because they have trouble trying to find their real self.
asked by Unknown 
Chemistry
Calculate the mass of a mole of glucose, C6H12O6, in grams. Would I just find the GFM, which comes out to 180.0g?
asked by Anonymous 
english
what word is damou when you unscramble it?
asked by debbie 
college
In 1980, Jonathan leased real estate to Jay Corporation for 20 years. Jay Corporation made significant capital improvements to the property. In 2000, Jay decides not to renew the lease and vacates the property. At that time, the value of the improvements
asked by Anonymous 
Geometry
If you marked the midpoints of the edges of a cube and sliced off all its corners through the midpoints of its edges, how many and what type of faces would the truncated figure have?
asked by Paul 
math
what is the greatest common divisor of 12,15
asked by carlos 
Science
What's the stepbystep for 'How To Fin the Mass' of an object?
asked by Pinky 
algebra
how do I solve 2/y=4/5
asked by james 
math
Consider the set of northwestern states or provinces {Montana, Washington, Idaho, Oregon, Alaska, British Columbia, Alberta}. If a person chooses one element, show that in three yes or no questions, we can determine the element.
asked by Susie 
math115
find the first and the third quartiles 347,242,146,391,249,567,277,218,319=q1 277,q3 347 find the mean 30,25,33,29,46,31,30,63,41,40,34,30,=36 find the median=30.5 is the mean or the median a more useful represenraion= the mean
asked by p 
Education
Ms. Sue I really liked the ps2 game Alphabet circus, but it's for ages 2 to 5, and I would like one ages 5 and up, so could you please give me another link to games like alphabet circus. I would really appreciate your help, thanks.
asked by Sheena 
morrow
parallel hierarchies
asked by d 
Creative Writing
I want to keep my introduction short and simple. So how's this: Has there ever been a time or situation when you had a great amount of emotions going through your head? For me it was the day when my baby sister was born. The memory of that day is so clear
asked by y912f 
social economics politics
What are the various methods of maintaining peace and unity in binational, multinational, and multiethnic states? What are the strengths and weaknesses of each method?
asked by jacob 
s.s
what is the proclamation?
asked by abby 
English
Why and how could I apply critical thinking when evaluating each of the following: Articles Advertising Media · Conversations
asked by Mary 
6th grade
How do you know that the particles are moving in a solid?
asked by Megan 
Angles  Math?
if there is a hill at an incline of 50 degrees from the horizontal..is it true that at any point on that hill a horizontal "cut" would make an angle of 50 degrees?
asked by Nancy 
Physics
how do i write an equation showing that mass as a function of volume for gold? table shows volume (cm^3) 1.0 2.0 3.0 4.0 5.0 mass(g) 19.4 38.6 58.1 77.4 96.5
asked by MacKenzie 
Math
If a number works in an inequality that uses less than or equal to, will it still work in all cases if you replace the less than or equal to with
asked by Anonymous 
math
Henry's bus can go just 12 miles on a gallon of gasoline. When he started his vacation, the gas tank of the bus was 5/6 full. Later, when Henry had driven 336 miles, the gauge showed that the tank was still 3/5 full. If his low on gas light will come on
asked by Bob 
Biology
Which of these two molecules is LESS involved in cell communication? Carbohydrates OR Lipids
asked by Kelly 
math anaylsis
when f(x)=x^2 and g(x)=x3 what is f(g(x))and how do you do it?
asked by anonymous 
math anaylsis
when f(x)=x^2 and g(x)=x3 what is f(g(x))and how do you do it?
asked by anonymous 
science
Suppose if u were a teacher and you are telling the student to to write about the chemical element .What would you tell them to write about that chemical element?
asked by alica 
algebra1
are these correct?: 1. To what set of numbers does 7.543 belong? a. rational b. irrational c. integer Brational 2. Evaluate 10 + .absolute value of 21 + x, 3 if x=9 37? 3. absolute value of 25,  (32) 57
asked by y912f 
Creative
the level of excitement was getting higher and higher as the day went on. it was just us 4 kids at home waiting anxiously for some news of the baby the day seemed to stretch on forever, ... because there was nothing to do but wait suddenly negative
asked by y912f 
Texas History
How did Native Americans' way of life at the missions differ from thier traditional way of life?
asked by Cesar 
Finance
B18) (Default risk) You buy a very risky bond that promises a 9.5% coupon and return of the $1,000 principal in 10 years. You pay only $500 for the bond. a) You receive the coupon payments for three years and the bond defaults. After liquidating the firm,
asked by Amber 
design technologyms sue
thankyou for helping. i have thought of a triangular teabag do you think this is okay ?
asked by aleisha 
social economics politics
What are the various methods of maintaining peace and unity in binational, multinational, and multiethnic states? What are the strengths and weaknesses of each method?
asked by jacob 
social economics politics
debate the following proposition: "the countries of india and china have a "right" to pollute the environment until they catch up with more industrialized countries".
asked by daniel 
Accounting
Do you help with accounting homework?
asked by Jack 
12th grade
Need help on the book of beowulf what it the evil between the two religions christian and pegeon.
asked by Eric 
Computer Science
I am learning in my computer science class about algorithms. My teacher wrote on the board: n= 1 running time= 1 3 1+1= 2 7 1+2= 3 15 1+3= 4 31 1+4=5 63 1+5= 6 127 7 255 8 511 9 1023 10 How in the world does this happen? It has something to do with log n
asked by Elizabeth 
Finance
The Jacksons, a family of two adults and two dependent children under the age 16, had gross annual income of $68,000 for 2004. Determine their standard deduction, exemption, and child tax credit amounts; as well as their marginal and average tax rates
asked by Jazzmin 
Science
Can you advise me on how to draw electrical circuits for equipment in my room such as my tv and stereo. Thanks
asked by Lewis 
Human Geography
I'm doing a research essay that has to prove how the Malthus theory can be applied to the modern world. I need around 5 countries as examples. They can include contradictions and examples of the theory. What are some countries? I can't use India or China,
asked by Jane 
math
my dad and I are both unable to get the right answer to this ? (7/5)+1/82=? I keep getting 113/40 but the real answer is 19/40 what are we doing wrong
asked by alyce 
Math
If two sides of a triangle are proportional to the corresponding sides of another triangle, then the triangles are similar. Is this Always True, Sometimes True, or Never True?
asked by Chris 
Algebra
f(x)=x^2(x+3)(x2) What are the x and y intercepts? Thanks!
asked by confused 
alg
solve and check solution 12x=11x5
asked by jerson 
math
"which equation models the situation illustrated at the right? Let Q equal the distance across the quarter. there's 4 choices F. 1 2/3 + Q = 2 1/2 G. 1 3/4 + Q = 2 1/4 H. 1 3/8 + Q = 2 1/8 J. 1 3/16 + Q = 2 1/8 the picture is: */r/2hmik9j/4 *tinypic __
asked by john 
Com /150
Which article did you choose? Family Ties. What type of introduction does the writer use? What is the impact of that kind of introduction in this essay?
asked by Anonymous 
physics
when an object is rotating in a circle and the only force is acting on it is friction how is force of friction vector pointing towards the circle because an object in circular motion is traveling in that direction, it's accelerating towards the center of
asked by Physics 
Technology
Write a 1,400 to 1,750word paper which addresses how new media technologies impact social and societal issues.
asked by Anonymous 
alge
simplify [2+(3)]^2
asked by jerson 
Biology
What is the role of oxygen in aerobic respiration?
asked by Paige 
Science
What's the stepbystep for 'How To Find the Mass' of an object? Example: 1. (Directions) 2. (More of Directions) And so on, thanks if anyone can help! P.S. Were using TripleBeam Balances' to find the mass if the helps.
asked by Pinky 
history
how can the internal be defined? Is it essential the land east of the Missippi that was handed over by Great Britain?
asked by jill 
world history
Can you help me with this question because I can't find it anywhere. I searched google but still nothing. Question: What jobs did the second estate have during the french revolution?
asked by skittles 
english
What further steps does the Count of Monte Cristo take to engineer the downfall of all his enemies?
asked by Kasia 
English
Summarize the basic elements of Haydee's story. Why do you suppose the Count of Monte Cristo tells her not to reveal to Albert who the traitor to her father was?
asked by Kasia 
Creative Writing
ok. so my freewriting and outline is ready. now i just need to think of a good thesis statement. can someone please give me some suggestions
asked by y912f 
grade 10 science
i don't get the difference betwwen a littoral zone and a limentic zone. i tried reading my textbook like three times and i still don't get it, i even went to da internet but i still don't get it. please help me. thanks
asked by sameul 
Science
Matings between hairless & normal dogs always produce hairless & normal offspring in a 1:1 ratio. In matings of two hairless dogs, hairless & normal dogs are always produced in a 2:1 ratio. How can these results be explained?
asked by Sandy 
history
who/what were the hurdygirls
asked by alex 
Algebra
The (absolute value) x20 (absolute value) is less than or equal to 6. I did it first with six positive and got x is lesss than or equal to 26. Then I made the six negative and got x is less than or equal to 14. But this is impossible for these to both be
asked by Andrea 
History
What were some reform proposals and major political developments during the Gilded Age?
asked by Ana 
Biology!!
If i do a starch test on a plant cell that comes from a plant exposed to sunlight, which parts of the plant cell will be stained blueblack? 1. nucleus 2. cell wall 3. cytoplasm 4. vacuole I wrote the answer as 4, the vacuole, but the correct answer says 3,
asked by Marrion 
science
Calculate the concentration M if you have a 0.03mol of NaOH in 22 mL
asked by lj 
Twilight
I have to do this writing assignment on anyone I want to. I really like Bella from the movie twilight so i am doing this on her. I have to describe her and all. I already know how she is from my point of view, but I would like to know how she is from
asked by Alice 
math
Find (f + g)x, (fg)x, (fg)x, and (f/g)x and their domains. f(x)=¡î(9x©÷),g(x)=¡î(x©÷4)
asked by David 
math
does 10^3 * 10^2 * 10^4 * 10^3 = 10^12
asked by jo 
U.S history
reasons for the growth of imperialism around the world?
asked by Valencia 
Health
Describe the structures and functions of ribosomes. I need help on writing a short version of this
asked by tamara jones 
math
Thomas and Samantha work on weekends and holidays doing odd jobs around the neighborhood. they are each paid by the day, not the hour. they each earn the sme whole number of dollars per day. last month thomas earned $ 184 and samantha earned $ 207. how
asked by maddie 
math
how many picometers are there in a kilometre? Is the answer a negative or positive? =10^15 or = 10^15
asked by jo 
Maths
2+2
asked by Alok 
Check!!
Can someone check whether I put the effects into the right category? Consequences of marijuana use. Physical: rapid heartbeat dry mouth and throat bloodshot eyes Reduced ability to perform tasks requiring concentration and coordination such as driving a
asked by John 
7th grade
What part of speech is most in the sentence "Katie is the most beautiful girl in the school"?
asked by John 
english
what are the words when you unscramble them: theeabn and damou?
asked by debbie 
Science
What is the geographical location of the Marine and Ice Cap Biomes? thanks:)
asked by Nicole 
sociology
G. William Domhoff's view of the power structure of the United States most closely resembles the analysis of which sociological perspective?
asked by Mandy 
grade 10 science
do you any websites that can explain the sesonal varities in cnadaina lakes more better, like when it's like 4 digrees somthing wierd happens, type layers are formed in winter..... i tried looking in the internet but couldn't find it. please help me.
asked by sameul 
English
Some athletes have taken drug tests to prove they are not on steroids. 5b. Some athletes have took drug tests to prove they are not on steroids A is is this question correct because it is the plural Athletes, tests,are,steroids,
asked by Mary 
math115
1. find the median 4,5,6,8,11,17=6 2.find the median and the mean 95,75,76,86,96,71,68,81,95,76,69,82,93,88,94= median 81 mean 83 3. find the mean 13,15,18,18,18,19,22,26,28,33=21 4. find the median 47,25,58,28,67,66=52 1/2
asked by p 
Spanish
Can someone please check my work? I was in Grade One. We went to the pumpkin patch. I got a really big pumpkin. I tripped while carrying it. I bit into the pumpkin. And lost one of my front teeth. Fui en primer curso. Fuimos al terreno de calabaza. Obtuve
asked by Larry