Questions Asked on
February 25, 2010

5th grade science
How might the history of the US be different if the first European settlements had occurred on the west coast instead of the east coast?
asked by Chris 
Maths
1+tan^2(theta) divided by 1+cot^2(theta) is equal to (1tan(theta)}^2 divided by {1cot(theta)}^2 plese prove it in details. Please help me
asked by Vimlesh 
Physics
Physics 20 acceleration due to gravity questions An object is thrown downwards, hitting the ground with a velocity of 10m/s . it fell for 0.880seconds. At what velocity was the object released.
asked by jake 
Calculus
What's the antiderivative of x(2x6)^(1/2)?
asked by Claudia 
Physics
acceleration due to gravity questions A rock is dropped from a height of 7meters a) what is the average velocity of the rock during its fall b) how long does it take the rock to fall
asked by jake 
Physics
acceleration due to gravity questions Determine the time of fall when an object is dropped if the average velocity of the falling object was 12m/s?
asked by jake 
physics
acceleration due to gravity questions when an object is dropped from a height of 10m above the surface of the planet z, it takes 1.2 seconds for the object to reach the surface. what is the acceleration of a falling object near the surface of the planet?
asked by jake 
Ms. sue can u help me
tamara wants 2 put new ceramic tile on her kitchen countertop.The tiles she's going to use is in the shape of a square,measuring 4 inches on each side.The countertop is 6 feet long and 2 feet wide.
asked by yuku 
Math
Suppose you intend to spend no more than $60 buying books. Hardback books cost $12 and paperbacks cost $5. How many books of each type can you buy?
asked by Chriissii 
chemistry
What is the formula mass, in amu, of KNaC4H4O6·4H2O? Be sure to include the water molecules
asked by joey 
chemistry
things that affect dissolving when sugar granules have largest value that sugar cubes
asked by tifa 
math
12x^2 + 20x + 28 solve for x
asked by aw 
algebra
How can I find the quadric equation when I know the answer?
asked by consolate 
health
one component of a healthy diet is high amount of?
asked by Anonymous 
Business Management
a firm that produce car components has fixed costs of 40000 per month and variable cost of 24.00 per component, regardless of the number of units sold. find the break even point in units and explain it by means of a graph
asked by Jackson 
ecology
What are the chemical or cellular threats that excessive heat brings to plants.
asked by Pauline 
ecology
How do plants deal with hot temperatures?
asked by Pauline 
chem help
how many grams of carbon contains the same number of atoms as 40g of Neon
asked by Ernesine 
ALGEBRA
I HAVE A PROBLEM.... FOR A^2=4 AM I SOLVING FOR A OR ^2? WILL A BE 2?
asked by GGIFT 
for Stephanie re HIS/115
Your post has been removed. Once you write up YOUR THOUGHTS, please repost, and someone here will be happy to comment.
asked by Writeacher 
English
How to paraphrase these two meanings? Subject: A term, used in philosophy and psychoanalytic and cultural theory, that refers to the available ways of being for humans in a given time period or context. Historicallym the subkect is a concept that has
asked by G.L. 
ALGEBRA
If I add: 1+2x+6x^2+9x^3+72x+6x^29x^3... won't I have to combine terms & then get 8+12x^2 cause won't the 9x^3 and the 2x cancel itself out???
asked by GGIFT 
ALGEBRA
for subtracting this problem: (0.04x^30.03x^2+0.02x)(0.03x^3+0.08x^26) I know to change the signs of the second grouping. When I done that, I cam up with: 0.04x^30.03x^2+0.02x0.03x^30.08x^2+6 THEN .01x^3  .11x^2 + 0.02x + 6.....is that right?? the
asked by GGIFT 
math
What geometric concept is modeled of the beam of a flashlight.
asked by Izaac 
ALGEBRA
with multiplying this: 9y^29)(8y^29y+3) I have: 8y^2(y^29)9y(y^29)+3(y^9) THEN 8y^2*y^299y*y^29+3*y^29.... THEN 8y^8  6 ??? I think that I am lost
asked by GGIFT 
ALGEBRA
if i factor b^664 will I get (b^3+8)(b^38)??
asked by GGIFT 
college physics
Suppose that the coefficient of friction between your feet and the floor, while wearing socks, is 0.250. Knowing this, you decide to get a running start and then slide across the floor. If your speed is 3.00 m/s when you start to slide, what distance, d,
asked by coco 
college physics
Two forces, of magnitudes F_1 = 80.0 N and F_2 = 25.0 N, act in opposite directions on a block, which sits atop a frictionless surface. Initially, the center of the block is at position x_i = 4.00 cm. At some later time, the block has moved to the right,
asked by coco 
Geography
Which place in America is visited by tourists the most
asked by Ragnar 
science
when an electron is displaced in a semiconductor, the hole that's left behind is
asked by sd 
ALGEBRA
If I divide 28x^330x^267x21 BY 7x+3...will I get 4x^210x21? THEN 28x^330x^221THEN 14x^215x^221???? PLEASE HELP!!!
asked by GGIFT 
home economics
Suppose you’ll have an annual nominal income of $40,000 for each of the next 3 years, and the inflation rate is 4 percent per year. Find the real value of your $40,000 salary for each of the next 3 years.
asked by ryan 
English
Can someone please tell me the format of a COVER page in MLA. I'm looking in my 6th edition book and I find title page but not cover page. I beleive the title goes 1/3 page down, then may 10 lines or so your name, then at the bottom the class, teacher, and
asked by Sue 
Math
Customers of a phone company can choose between two service plans for long distance calls. The first plan has a onetime activation fee and charges cents a minute. The second plan has no activation fee and charges cents a minute. After how many minutes of
asked by Lidia 
English
Can you help me check the following stataments? Thank you very much. 1) I'v been teaching (to) them since last year. 2) We played tugofwar and archery on the beach. 3)Her head is always up in space (can you say up in the air or in the clouds) 4)Mr
asked by Franco 
math
How would I use separation of variables to solve the initial value problem? dy/dx = (y +5)(x+2) I multiply both sides by dx so: dy= (y+5)(x+2)dx Then I get variables on the same sides:: dy/(y+5)= (x+2)dx Then I have to take integrals of both sides but this
asked by Anonymous 
Calculus
Represent the function f(x)=10ln(8x) as a Maclaurin series. sum_{n=0}^infty (c_n) (x^n) The coefficients are C_0= 10ln8 C_1=10/(8) C_2=10/128 C_3=20/3072 C_4=60/98304 FIND THE RADIUS OF CONVERGENCE: R=?
asked by Salman 
Physics
You kick a soccer ball, compressing it suddenly to 2/3 of its original volume. In the process, you do 410 J of work on the air (assumed to be an ideal gas) inside the ball. (a) What is the change in internal energy of the air inside the ball due to being
asked by Baker 
Physics
A metal tank with volume 3.10 L will burst if the pressure of the gas it contains exceeds 100 atm. (a) If 11.0 mol of an ideal gas is put into the tank at a temperature of 23.00C, to what temperature can the gas be warmed before the tank ruptures? You can
asked by Baker 
PHYSICS
An electron iwth an initial speed of 500,000 m/s is brought to rest by an electric field. (a) Did the electron move into a region of higher potential or lower potential? (b) What was the potential difference that stopped the electron?
asked by Lucas 
Chemistry
List the following equilibrium solutions in order of decreasing free Ag+ concentration in mixture: 0.1M AgNO3, saturated AgCl, saturated AgBr, saturated AgI, Ah(NH3)2+, and Ag(S2O3)2 3.
asked by Jake 
statistics
For each of 10 popular prescription drugs, file XR15042 lists the retail price (in U.S. dollars) for the drug in several different countries, including the United States, Canada, Great Britain, and Australia. Determine and interpret the coefficients of
asked by Babi 
Physics
A 2.0 mm diameter glass sphere has a charge of +1.0 nC. What speed does an electron need to orbit the sphere 1.0 mm above the surface? (Ans. 2.81×107 m/s)
asked by Anonymous 
math214
If you have a jar of 1000 jelly beans and you know that P(blue) =4/5 and P(red) = 1/8, list several things you can say about the beans in the jar
asked by Anonymous 
6th grade
what is the industrial revolution
asked by ethan 
6th grade
what does a griot do?
asked by jasmine 
Criminal Justice Administration
Discuss how the corrections system uses cas management software to more efficiently and safely handle prisoner rehabilitation and transfers. Explain what might happen if two prisoners from rival gangs were made cell mates at the local prison because of a
asked by A.Henry 
college physics
A block of weight = 35.0 N sits on a frictionless inclined plane, which makes an angle theta = 27.0 with respect to the horizontal. A force of magnitude = 15.9 N, applied parallel to the incline, is just sufficient to pull the block up the plane at
asked by Anonymous 
6th grade Social studies
What regions make up Great Britain ?
asked by Yeni 
psychology statistics
The three commonly used alpha levels are p=01, p=05, and p=10 a. Explain what each level means. b. Which one of the three is more frequently used in research?
asked by Doris I 
chemistry
Gaseous carbon monoxide reacts according to the balanced equation. If a total of 1040 kJ of heat is generated in the reaction as written, how many grams of CO2 are produced? enthalpy=566kJ 2 CO(g) + O2(g) → 2 CO2(g)
asked by eng 
hca 270
Compare these ratios with the 1999 median for all U.S. acute care hospitals listed in Table 42. Answer the following and explain your answer: What was the financial status of Arcadia in 2005? Compute the following ratios from Arcadia Hospital’s 2005
asked by kita 
physics
if a van de graaff generator is charged to 50,000 volts, how much energy does it take to add an additional electron to the charge on the shere?
asked by jessie 
Math
Hello, Can someone help me with my math problem? Does k – n = k – n for all integers k and n? If so, give 3 examples.If not, give a counterexample.
asked by hannah 
english
I need help with writing a paper on teen pregnancy. What topic sentences could I used for my three body pragraphs, and conclusion.Thanks
asked by Inez 
math
Can someone help me with my math problem? Thank you Write the integer represented by each of the following: a. A collection of 9 red counters and 4 black counters. b. A collection of 7 red counters and 18 black counters. c. A point midway between –45 and
asked by hannah 
Math
what is the area of a triangle if one side is 5"another is 4" and the last is 3"
asked by Pavleen 
chemistry/physics Urgent!!
how do i calculate the substrate concentration needed relative to Km to produce a rate relative to Vmax which is 0.1 x Vmax ?? I think i need to manipulate the michaelis menton eq but when i do it im left with [s] in the amount please help lib
asked by libby 
English
Thank you very much for your last corrections. I forgot to include these ones. 1)As he intended to open the window (In an attempt to open it), he knocked his knuckles through the grass and tried to seize it. 2) He saw a face looking through the window. As
asked by Franco 
Math
what is the area of a square if 1 side equals 3"
asked by Pavleen 
MAT101
1. What is a function? 2. What is a linear function? 3. What form does a linear function take? (I.e., What is the standard mathematical notation of a linear function?) 4. What is the formula for determining the slope of a line?
asked by Lawrence 
math
what is the area of a trapazoid if one base is 10, the other base is 6" and the 2 is the height
asked by Pavleen 
MATH
what is the area of a circle if the diameter is 8"
asked by BETSY : ) 
MATH
WHAT IS AREA
asked by BeTsY : ) 
NEED HELP WITH MATH
MY TEACHER MRS.HUBERT LIKE GAVE ME THIS PROBLEM AND I DON'T GET IT SO CAN U HELP IT CALLED SHADED SQUARE SO THERE IS A RECTANGLE WITH ANOTHER SMALL RECTANGLE THE OUTSIDE ONE HAS 7" FOR THE LENGTH AND 10" FOR THE WIDTH. THE INSIDE IS 4 INCHES AND 2 INCHES.
asked by KARLA!!!!!!!!!!!!!!!!!!!!!!!!!!! 
psychology
A recommended tactic for improving teamwork is to: a)brag about being the manager's favorite b)get the group to engage in shared laughter c)join a clique within the group d)avoid getting involved in the problems of group members. Is B correct
asked by vedrana 
Honors Chemistry
Does red cabbage contain one or many anthocyanins? How do you know this?
asked by Kiki 
Math
How do you confirm this? 1500000 square miles to 7334000 square miles in six months is growing at about 22 square miles a minute.
asked by J 
math
monica keeps a supply of dimes and quarters in her car for highway tolls.A week's supply of toll coins contains 10 more dimes than quarters and totals $11.50. How many quarters does monica spend on highway tolls in one week? F. 26 G. 30 H. 36 I. 40
asked by dee 
MAT 101
5. Which of the following are functions? The last two problems, i.e., b & c, are multi part relations consider all parts when determining whether or not these relations are functions. Explain your reasoning for a, b, and c. a. f(x) = x + 3 b. f(x) = 73 if
asked by Lawrence 
MAT101
6. Suppose you have a lemonade stand, and when you charge $2 per cup of lemonade you sell 100 cups. But when you raise your price to $4 you only sell 50 cups. Write an equation for the number of cups you sell as a function of the price you charge. Denote
asked by SEMA 
Research paper Teen Drug Abuse
I need some suggestions on where to start writing a research paper about teen drug abuse I am not quit sure where to even begin I need an oposing argument as well any help would be greatly apprciated.
asked by shannen 
Discrete Math
I am really stuck on these problems. I've worked a lot of them but I can't get these. Sometimes I think I know the answer but I can't show how I got it. 1.) Solve each matrix equation for X. 2X + 5A = B 2.) Find the following matrices: a. AB b. BA A= 2 4 3
asked by Ryan 
Math
Find the coordinates of the turning point and determine wether it is minimum or maximum. y=xlnx2x The answer in the book says the coordinates are (e,e), the closest I have come is (1/lnx,1/lnx) which works if 1/lnx=e, but I don't think that it does.
asked by Mark 
Chemistry
I am doing a report on the composition of the Olympic medals. I need to know what the values are for each medal? Is there a website?
asked by Astrid 
Algebra
Give an ordered pair (m,n) of numbers that satisfy the following equation 2m + n = 1
asked by Lidia 
computers
Why do databases make information sharing so much more efficient and accurate among multiple users of the same data?
asked by Excel 
English
I'm sending you the first sentence again since I mispelt a word (grass must be glass). Thank you for your help.I hope in your prompt reply since I need it for tomorrow. As he intended to open the window (In an attempt to open it), he knocked his knuckles
asked by Franco 
data management issues
Which of the following is not a source for external data? A.) Commercial databases, B.) Corporate databases, C.) Sensors, or D.) Satellites.I tried and I have even reread my chapter and I cannot find the answer. I want to say C.) sensors but that just does
asked by unsure 
chemistry
What is the molality of a solution composed of 192g of acetone ((CH3)2CO) dissolved in 416g of water
asked by Anonymous 
CHEMISTRY
If 4.32 g of solid C reacts stoichiometrically according to the balanced equation, how many grams of solid TiO2 are required? 3TiO2(s) + 4C(s) + 6Cl2(g) → 3TiCl4(l) + 2CO2(g) + 2CO(g)
asked by Anonymous 
Calculus
Let me try to ask this question a different way: 4x^2+2x+xy=12 and y(2)=4 find y(prime)(2) by implicit differentiation. I can differentiate it to 8x+2+y+xy(prime)=0 I don't know what to do with the y(2)=4 after this point.
asked by Elisabeth 
literacy, gr.5
from the book The van gogh cafe: why did the magic around the pies stop? why Clara does not want to eat magic muffins? Why was it a good thing that she kept a secret for the right time?
asked by Anonymous 
English
You have to pay the maintenance fee every month for 50,000 won. You should also pay the gas fee. If you use a lot of gas, you have to pay more money. You have to pay the electricity fee as well. You have to put waste into a waste plastic bag. However, the
asked by rfvv 
hca240
Case Study 2: Name Jimmy Schwimmer Patient # 45645645 DOB: 11/03/2002 Physician Dr. Raychee Date: 04/21/20XX INTEROFFICE REFERRAL FORM Melissa Neidermayer, M.D. DoctorsRUs – North Campus 1515 N. Medical Plaza #203 Anytown, Anywhere 12345 Dear Melissa,
asked by Anonymous 
COLLEGE CHEMISTRY
If 0.340 mol of solid CaCO3 and 410 mL of 0.829 M aqueous H2SO4 are reacted stoichiometrically according to the balanced equation, how many milliliters of 0.829 M aqueous H2SO4 remain? Round your answer to 3 significant figures. H2SO4(aq) + CaCO3(s) →
asked by Anonymous 
English
Every two months, the use of city water is checked. According to the use of city water, you should pay the money. You can either deposit the city water fee into your bank account or give it to the maintenance office. You should be very careful not to make
asked by rfvv 
human relations
The main reason selfconfidence is important in human relations is because
asked by Anonymous 
chemistry
I have absolutely no clue how to approach this question please help. The destruction of the ozone layer is an issue that is being discussed all around the world. Freons, or chlorinated hydrocarbon molecules, are very stable on the ground, but in the upper
asked by tina 
Comp I
why we crave horror movies. King uses several examples involving children. Idnetify these instances. how do these examples help king develop his thesis?
asked by jerrad 
chemistry
Can someone give the fomula of finding the molar volume of oxygen
asked by Mwix 
hcr210
Explain in 250 to 300 words how the general duties for handling patient records differ between a records administrator (RHIA) and a records technician (RHIT). Discuss three specific examples of competency differences between the RHIA and RHIT exams
asked by Anonymous 
geometry
If a rectangle has an area of 64 square units and a length of 16 units, what is its width? If necessary, round your answer to two decimal places.
asked by Randy 
MATHS
1% of Miss Simms' salary is deducted for Hex fees. Last year her salary increased by 10%. As a result, her Hex fees increased by $65. What was her original annual salary?
asked by BRYAN 
biology
what will happen to a red blood cell placed in a solution of 99.3% water and 0.7% salt?
asked by Alex 
Chemistry
If 360 mL of 2.47 M aqueous NaI and 212 g of Pb(NO3)2 are reacted stoichiometrically according to the balanced equation, how many milliliters of 4.62 M aqueous NaNO3 are produced? Pb(NO3)2(aq) + 2NaI(aq) ¨ PbI2(s) + 2NaNO3(aq)
asked by Adam 
English
Can you please check these sentences please I need to prepare for tomorrow? As he intended to open the window, he knocked his knuckles through the glass and tried to seize the bough. 2) He saw a face looking through the window. As he couldn't shake the
asked by Franco 
French 1
what does "Je rentre de l'ecole et je vais au restaurant." mean in English?
asked by Helpneeded.love 
algebra
I need help with this please! x2/x+3 = x3/x+6
asked by Terri 
Health
What effects do you think religious pluralism andinterfaith movement will have on the future of organized religion?
asked by Brenda 
MAT101
6. Suppose you have a lemonade stand, and when you charge $2 per cup of lemonade you sell 100 cups. But when you raise your price to $4 you only sell 50 cups. Write an equation for the number of cups you sell as a function of the price you charge. Denote
asked by SEMA HELP!!!!!!! 
English lit
write a three part analysis of a advertisement and its message and how attempts to persuade
asked by Anonymous 
Math
Solve each linear equation by substitution. {3x2y=3 x+2y=7 The answer is suppose to be (5,6)
asked by Steve 
Trigonometry
Each base angle of an isosceles triangle measures 42°. The base is 14.6 feet long. A) Find the length of a leg of the triangle. Round to the nearest tenth of a foot. B) Find the altitude of the triangle. Round to the nearest tenth of a foot.
asked by Laly 
calculus
this question is a multiple choice question, however i don't know how to start or finish it. The solution set of 3x+2
asked by Selly 
biology
The structure of the forelimb of a bird is similar in structure to that of the forelimb of a mammal suggesting that they both descended from a common ancestor.this similarity is an example of ________ evidence that support the theory of evolution. please
asked by Me 
Anatomy & Physiology II
I've included answers as well. Thanks in advance. 1. Chemical substances secreted by cells into the extracellular fluids that regulate the metabolic function of other cells in the body are called: a. enzymes b. antibodies c. proteins d. hormones I chose D
asked by Ana 
chemistry
if 20g of magnesium react with excess hcl how many grams og mgcl2 will be produced
asked by sean 
Geometry
Hi, I don't have much time to turn this in. I think I got all the questions right, but I just want to be sure. I would appreciate some feedback! Thank you! 1. What is the formula for calculating the length of the diagonal of a right rectangular prism on
asked by Emma 
math
there are 3 miniature chocolate bars and 5 peaunt butter cups in a candy dish. judie chooses 2 of them at random. What is the probablity that both she chooses 2 miniature choclate bars?
asked by amanda 
math
what is the methhood or 60 dived by 3
asked by Anonymous 
geography
Canada's political regions went through a major change in 1999. what was this change? what new boundaries were created?
asked by raluca 
Science
What volume of helium would be in a balloon the size of a soft drink bottle
asked by Bell 
calculus
A plane flying with a constant speed of 23 km/min passes over a ground radar station at an altitude of 5 km and climbs at an angle of 35 degrees. At what rate, in km/min is the distance from the plane to the radar station increasing 7 minutes later?
asked by angel 
geometry
What are parallel and perpendicular lines?
asked by Zakiya 
calculus
Air is being pumped into a spherical balloon so that its volume increases at a rate of 80 cubic centimeters per second. How fast is the surface area of the balloon increasing when its radius is 8 cm?
asked by idk 
7th grade
how to write a review for an ad??
asked by Anonymous 
math
The numbers 3, 4, and 6 are used once and substitued at random for a, b, and c in the equation ax+b=c. What is the probability that x turns out to be negative. I'm not sure where to begin with this. Can you help?
asked by Phillip 
biology
The structure of the forelimb of a bird is similar in structure to that of the forelimb of a mammal suggesting that they both descended from a common ancestor.this similarity is an example of ________ evidence that support the theory of evolution. is it
asked by Me 
geometry
what is the area of a square if the sides measures 3/8 inch?
asked by yuku 
algebra
How do you get an quadratic equation form an graph?
asked by myleigh 
mittens
How many mittens were sold so far during the Vancouver 2010 olympics?
asked by Bubblystar 
science
i have a science fair coming up soon and i really want to win but i just cant seem to think of anything cool to do do you have any suggestions for me that would probably win?
asked by Amber 
geometry
ind the area of a circle with a radius of 1.2 meters.find the area to the nearest tenth of a square meter?
asked by yuku 
2nd grade
How did John Smith help the colonies
asked by robert 
Math
1). 11 containers of hot chocolate are sold for $3.29 a container. 4 bags of 50 cups are sold for $1.29 a bag. 277 drinks are made each year. How much does it cost to make one serving of hot chocolate (not including the cost of the cup?) I got 277/(11 x
asked by Clayton 
geometry
a gallon of floor paint will cover about 200 feet of concrete.the floor of harolds basement is 25 feet wide and 40 feet long.how many gallons of paint does harold need to put one coat of paint on the basement floor?
asked by yuku 
chemistry
Whats the solvent and solute in water vapor in air?
asked by ying 
physics
Given: the linear expansion coefficient of glass is 9 x 10^6 ('C)^1. An automobile windshield has dimensions of 59 cm by 390 cm. What minimum spacing around the windshield is needed to prevent the windshield from breaking if the temp. changes by 146' F?
asked by elisabeth 
math
The Mustangs and the Bruins play in a basketball tournament. The team that first wins three games wins the tournament. Assuming ties are not possible, find the number of possible ways in which the tournament can occur. I feel like there is not enough
asked by Phillip 
3rd grade
Difference between a mixture and solution.examples of soluble and insoluble. Examples of physical and chemical changes
asked by Anonymous 
math
A cylindrical jar with height 8 inches and diameter 6 inches is filled to 75% capacity with juice. The juice is then poured into another cylindrical container with a 10 inch diameter and height of 4 inches. a. to what percent of its capacity is the second
asked by Phillip 
Chem 116
How do I calculate 25.00mL of 5.0*10^4 M of FeSCN^2+ using 0.002 M Fe(NO3)3, 0.002 M KSCN, 0.1 M of HNO3 and water?
asked by Kristen 
math
Use models to find each product. Write the answer in simplest form. 4 X 1/8 =
asked by Alexia 
calculus
Water is being pumped into an inverted conical tank at a constant rate. The tank has height 13 meters and the diameter at the top is 5.5 meters. If the water level is rising at a rate of 29 centimeters per minute when the height of the water is 2 meters,
asked by idk 
Math
What single rotation is equivalent to Rotate 40 degrees circle, Rotate 60 degrees circle, rotate 10 degrees
asked by Collin 
california history
what is a good topic for a history presentation ca history only between the years 18501870.
asked by lisa 
Physics
You watch a distant woman driving nails into her front porch at a regular rate of 1 stroke per second. You hear the sound of the blows exactly synchronized with the blows you see. And then you hear 1 more blows after you see her stop hammering. How far
asked by Samantha 
chemistry
6. Determine Keq for the reaction: 2 SO2 (g) + O2(g) 2 SO3(g), given that 1.00 x 102 moles of SO2 and 2.00 x 102 moles of O2 were placed in a 2.00L reaction chamber. The chamber contained 7.5 x 103 moles of SO3 when equilibrium was established at 727oC.
asked by Olivia 
geometry
the picture at the right shows the garden in roberts yard.it's a triangle with a right angle,and it's lenght is 9ft,width is 15ft,and height is 12 ft,he wants 2 cover the garden with plastic bc of a sudden drop in temperature.how many square yards of
asked by yuku 
chemistry
1. what amount of solute present in each of the following solutions? (a) 750 ml of 2.00 M HNO3 (1.50 moles, 94.5g)
asked by jessie 
Math
Solve each linear equation by substitution. The answer is suppose to be (2, 4) Thank you for your help. {5x+3y=10 x4y=14
asked by Steve 
math
Which of the following would eliminate the variable on the left side of the given equation? 36  19w = 6w + 41 A)add 19w B)add 6w C)add 19w D)add 36
asked by nicky 
PHYSICS
Given: the linear expansion coefficient of glass is 9 x 10^6 ('C)^1. An automobile windshield has dimensions of 59 cm by 390 cm. What minimum spacing around the windshield is needed to prevent the windshield from breaking if the temp. changes by 146' F?
asked by elisabeth 
PHYSICS
The density of gasoline is 730 kg/m^3 at 0'C. One gallon of gasoline occupies .0038 m^3. Gasoline's volume expansion coefficient is .00096'C ^1. How many kilograms of gasoline are obtained when 9 gallons of gasoline are bought @ 0'C rather than 18"c
asked by elisabeth 
english
expositary business communication in which way they different what part do facts play in the expository essay? what does openion play
asked by jennifer 
howard
In checking the angles of a section of a bridge support, an engineer finds the expression sin(2 cos1 0.70). Write a paragraph explaining how the value of this expression can be found without the use of a calculator.
asked by mike 
math
Find two different perimeters of a rectangle with an area of 14 units. Nme their dimensions.
asked by Anonymous 
6th grade math
Mya works on Saturdays and then attends a study group. She needs to be home before her younger brother. She walks from work to the study group in 5 minutes. She studies for 40 minutes. She takes 5 minutes to walk to the bus stop. The bus ride is 30 minutes
asked by Dee 
bus
You have recently been hired as a new manager hired into a failing division in a company. The product line is outdated and losing market share, interdepartmental communication is adversarial, and competition for corporate funding is fierce. How are you, a
asked by cmills 
synonym
which of the following words is NOT a synonym of fertile? a}fecund b}barren c}productive d}prolific the answer i choose is b. am i right?
asked by callie 
language
the language from which the word mawkish derives is: a}new latin b}middle english c}low german d}old north french which one is it?
asked by britney 
english
terry hated to lose and had to be better than you. my teacher said that this doesn't make sense. How I do it?
asked by Anonymous 
location
the nation of burundi is located in: a}the coast of the arabian sea. b}southern europe c}eastcentral africa d}southeast asia p.s.a little help here plz...
asked by larry 
math
Which of the following would eliminate the variable on the left side of the given equation? 36  19w = 6w + 41 A)add 19w B)add 6w C)add 19w d)add 36
asked by Anonymous 
Social Studies
Include a practical example of the philosophers idea in your response. .... I have write a paper on a way to solve street racing and under age drinking using the COPPS philosophy and write a formal report to the chief of police. I have to use the S.A.R.A
asked by Eddy 
chemistry
Calculate the mass ( g ) of the solute ethanol and the mass ( kg ) of the solvent CHCl3 that should be combined to prepare 9900 g of a solution that is 14.5 m ethanol. extra given info from problem: molar mass (g/mol): C2H5OH 46.07 CHCl3 119.38 density
asked by Diem 
PHYSICS
The density of gasoline is 730 kg/m^3 at 0'C. One gallon of gasoline occupies .0038 m^3. Gasoline's volume expansion coefficient is .00096'C ^1. How many kilograms of gasoline are obtained when 9 gallons of gasoline are bought @ 0'C rather than 18"c
asked by elisabeth 
PHYSICS
Given: the linear expansion coefficient of glass is 9 x 10^6 ('C)^1. An automobile windshield has dimensions of 59 cm by 390 cm. What minimum spacing around the windshield is needed to prevent the windshield from breaking if the temp. changes by 146' F?
asked by elisabeth 
english
does junior high have to be capitalized?
asked by Anonymous 
com 140
Explain the steps for double spacing and inserting a Header in Word. Which guideline in Chapter 1 of the Axia Writing Style Handbook was the most surprising to you? Why do you think it is a rule? o What are the main formatting differences between a
asked by judy 
Social Studies
What Is The Defition of Human Geographic Factors?
asked by Ashley 
Paragraph
Satisfy me by improving this and I'll be thankful to you 4ever. In the following paragraphs I will be talking about her life, where and who she performed with, which songs she sang, and what awards she won, and her charity work. It seems like Im missin
asked by Alice 
math
Factor 3x^211x+10 and 2t^38t?
asked by Sadie Johnson 
geometry
Mary wants to make curtains for the three windows in her living room.For each pair of curtains,she needs material measuring 6ft by 8ft.Altogether how many square yards of material does she need?
asked by yuku 
math
Factor 3x^211x+10 and 2t^38t?
asked by Sadie Johnson 
Accounting/Financing
I am so weak at this new class I started no matter how many times I read my textbook, I cannot understand how to calculate ratios can someone please show me or guide me how to work these problems, I would really appreciate it, thank you please help me..
asked by Anna 
Human Geography
Assuming that achieving replacementlevel fertility is desirable, is the assumption of 0 years to reach replacement fertility realistic, optimistic, or pessimistic? Why? A) Because achieving replacementlevel fertility will not drop until people desire
asked by Max 
math
The area of a rectangle is 100 sq. in. The perimeter of the rectangle is 4o in. A second rectangle has the same area but a different perimeter. Is the second rectangle a square? Explain why or why not.
asked by Anonymous 
10th grade
Find the measure of diameter AC if BP=x and AC=5x6
asked by Nicole 
algebra
how do you get the y on the same side as the x? (5y=467x)
asked by Brieonna 
Social Studies
What is The Defintion of Push/Pull Factory?
asked by Ashley 
4tt grade math
if 14 counters are half. then what is the one  counters? if 12 countes are two and fifth , then what is the one  counters. thanks!
asked by pat 
AP Chemistry
calculate the ph of a 0.10 M CoCl3 solution. The ka value for Co(H20)6 is 1.0x10^5
asked by Anonymous 
math
I am having to find the value of y for the given values of x. I understand how to find the value of x, but I am unsure how to put it in the form of ordered pairs: This is not the actual problem on my assignment: y=7^x, for x=2 y=7^2 y=7*7 y=49 I am lost as
asked by Malissa 
english
so his instructors suggested him to stay with water sports.
asked by Anonymous 
english
Which is better to use? "...and is still able to hold more..." "...and still is able to hold more..." "...and can still hold more..." PLEASE HELP!!
asked by Happy Face 
english
which one is right? 1$ or $1
asked by Anonymous 
6th grade math
How do i find 10% of 82
asked by Avril 
chemistry
How many moles of water are contained in 0.250 mol of CuSo4 x 5H2O?
asked by yazmin 
Accounting/Financing
I am so weak at this new class I started no matter how many times I read my textbook, I cannot understand how to calculate ratios can someone please show me or guide me how to work these problems, I would really appreciate it, thank you please help me..
asked by Anna 
U.S History
why did the colonists need their independence?
asked by Riley 
physicscollisions
An internal explosion breaks an object, initially at rest, into two pieces, one of which has 2 times the mass of the other. If 22500 J is released in the explosion, how much kinetic energy does each piece acquire?
asked by Anonymous 
PHYSICS
A concert loudspeaker suspended high off the ground emits 35 W of sound power. A small microphone with a 1.0 cm2 area is 50 m from the speaker. (a) What is the sound intensity at the position of the microphone? (b) How much sound energy impinges on the
asked by Tyler 
Math
What is 5% of 44 and 15% of 90???
asked by Selena 
geometry
a round carpet that measures ten feet across covers how many square feet of floor?
asked by yuku 
english
are sang and sung the same thing? for ex. would u say artists she has sang with are or artists she has sung with are
asked by Anonymous 
english
so his instructors suggested him to stay with water sports. sentence is good or bad?
asked by Anonymous 
Computer Information Systems
Write 200350 word paper that describes the distinctions of data and information and briefly explains the process a computer uses to convert data into information. I have gotten to a certain point and I am stuck. I am not sure if anyone can help give me a
asked by Anonymous 
7th grade
What is a vertex?
asked by Isela 
7th grade
What is y if x=7?
asked by Isela 
Book Report Project 8th Grade
is there help provided for people who are homeless?
asked by Shamaree 
math 4th grade
Ken is about to eat a bag of M&M's on the 4th of July. The number of each color M&M is listed below. Green 11 Red 8 Yellow 13 Tan 7 Brown 10 Blue 5 a)If Ken picks the first M&M out of the bag without looking. What is the chance he will pick a brown one to
asked by Katelee 
Math
A blueprint for a house shows a bedroom being 5.5 inches wide. The scale used to create the blueprint is 0.50 in. = 1 ft. What is the actual width of the bedroom?
asked by stephanie 
Physics
A small 6.8 g plastic ball is suspended by a 37.3 cm long string in a uniform electric field of 4790 N/C, as shown. The acceleration of gravity is 9.8 m/s2 , and the Coulomb constant is 8.99×109 N · m2/C2.. If the ball is in equilibrium when the string
asked by Anonymous 
chemistry
How many mole are present in 5.03g gold
asked by sarah 
algebra
For each of the following, write the equation of the line determined by the given pair of points.? (a) (3, 7) and (3, 27) (b) (4, 5) and (8, 7)
asked by Rebecca 
physics
An electron moves from one plate to another across which there is a potential difference of 2000 V. a) Find the speed with which the electron strikes the positive plate. For this problem, I used the Potential difference equation:
asked by Linh 
Book report project
how many homeless people live in dade county and how many live in broward?
asked by Shamaree 
english
why is diana princess of wales so great?
asked by Anonymous 
Accounting
how do I calculate total margin?
asked by Anna 
Human GeographyMrs. Sue
Assuming that achieving replacementlevel fertility is desirable, is the assumption of 0 years to reach replacement fertility realistic, optimistic, or pessimistic? Why? A) Because achieving replacementlevel fertility will not drop until people desire
asked by Max 
Chemistry
Determine the [H3O+] in a 0.3 M solution of HClO4. Answer in units of M.
asked by hello 
chemistry
What would be the pH of a solution of hy poiodous acid (HOI) prepared by dissolving 144 grams of the acid in 200 mL of pure water (H2O)? The Ka of hypoiodous acid is 2¡¿10−11 1. 7 2. 10 3. 13 4. 5 5. 1
asked by hello 
chemistry
what amount of solute present in each of the following solutions? (a) 750 ml of 2.00 M HNO3 (1.50 moles, 94.5g)
asked by jessie 
com 150
checkpoint week 6 com 150 my topic is Understanding the Effects of Domestic Violence
asked by Julia 
Physics
A small 6.8 g plastic ball is suspended by a 37.3 cm long string in a uniform electric field of 4790 N/C, as shown. The acceleration of gravity is 9.8 m/s2 , and the Coulomb constant is 8.99×109 N · m2/C2.. If the ball is in equilibrium when the string
asked by Anonymous 
literature
What is the theme and conflict of Mark Twain's short story,"The Private History of a Campaign that Failed"?
asked by caroline 
english
what kind of messages do sterotypes send out to people?
asked by Anonymous 
PHYSICS
A heavy piece of hanging sculpture is suspended by a 90 cm long, 5.0 g steel wire. When the wind blows hard, the wire hums at its fundamental frequency of 80 Hz. What is the mass of the sculpture?
asked by Lucas 
College Physics
A projectile is fired at an upward angle of 55.0 degrees from the top of a 230m cliff with a speed of 180m/s.What will be its speed when it strikes the ground below? (Use conservation of energy.)
asked by Sandy 
history
What was the cause of the Panic of 1837? It means the same as too many people buying too much land with too little collateral.
asked by Diana 
PHYSICS
A 75 g bungee cord has an equilibrium length of 1.20 m. The cord is stretched to a length of 1.80 m, then vibrated at 20 Hz. This produces a standing wave with two antinodes. What is the spring constant of the bungee cord?
asked by Lucas 
Organic Chemistry
Suppose you forget to add sodium carbonate to your tea solution prior to extraction. What effect would this have on your yield, and why?
asked by sunny 
taxes
I have a question that may seem a bit odd. I have tried to get this info off the web and came up empty. My nephew was fired from his job (that he had for 6 years) in Jan of 2009. He has been collecting unemployment since then. He knows that he still gets a
asked by gigi 
physics
Two 10cmdiameter charged rings face each other, 24.0 cm apart. Both rings are charged to + 50.0 . What is the electric field strength nC
asked by Anonymous 
Social Studies
What was California's name during the mission times?
asked by Amanda