Questions Asked on
March 22, 2010

chemistry
A certain reaction has a delta H= 75 kJ and an activation energy of 40 kJ. A catalyst is found that lowers the Activation energy of the forward reaction by 15 kJ. What is the activation energy of the reverse reaction in the presence of this same catalyst?
asked by josh 
Chemistry
Write the 12 mole ratios that can be derived from the equations for the combustion of isopropyl alcohol. 2 C3H7OH(l) + 9 O2(g) ==> 6 CO2(g) + 8 H2O (g)
asked by Jack 
chemistry
The combustion reaction of acetylene gas is represented by this equation: 2C2H2(g) + 5 O2(g) ==> 4CO2(g) + 2H2O(g) How many grams of CO2 and grams of H2O are produced when 52.0g C2H2 burns in oxygen?
asked by Danny 
6th grade  English
AAAAHHHH!!! "Antonyms" Antonyms are words that are opposite in meaning, like tall/short or laugh/cry. Listed below are pairs of antonyms. However, all the vowels are missing. See if you can separate each pair of antonyms and replace the missing vowels. (i
asked by Amy 
Physics
The mass of a paper clip is approximately 1. 1 x 10^.6 kg 2. 1 x 10^3 kg 3. 1 x 10^3 kg 4. 1 x 10^6 kg
asked by Priscilla 
Changes in Matter
Which of the following everyday activities are physical changes, and which are chemical changes? a)salting ice on a driveway b)burning leaves c)mixing sand with soil d)composting cut vegetation e)using a glue gun a = physical b = chemical c = ? d = ? e =
asked by Sara 
Chemistry
The combustion reaction of acetylene gas is represented by this equation: 2 C2H2(g) + 5 O2(g) ==> 4 CO2(g) + 2 H2O(g) How many grams of CO2 and grams of H2O are produced when 52.0g C2H2 burns in oxygen?
asked by Ralph 
Physics
The centers of a 14 kg lead ball and a 120 g lead ball are separated by 9.0cm .What gravitational force does each exert on the other?
asked by Nicole 
Chemistry
Pure benzene has a normal freezing point of 5.50 degrees Celsius. A solution containing 11.4 grams of a molecular substance dissolved in 150.0 grams of benzene (Kf=5.12C/m) has a freezing point of 1.20 degrees Celsius. What is the molar mass of the solute?
asked by Katelynn 
Physics
Two charged PingPong balls separated by a distance of 1.20 m exert an electric force of 0.0300 N on each other. What will be the force if the objects are brought closer, to a separation of only 30.0 cm? _____N
asked by Dar 
chemistry
What is the net ionic equation for the reaction of H2SO3 with Ba(OH)2?
asked by khin 
Chemistry
at 23C the reaction CaCrO4 > Ca2+ + CrO42 has an equilibrium constant of 7.1 x 104. what are the equilibrium concentrations of Ca2+ and CrO42 in a saturated solution?
asked by Ry 
Chemistry
NaHCO3 + H2SO4 Na2SO4 + H2O + CO2 Use minimal integer numbers to balance the reaction. Include physical states in your answer.
asked by Khin 
CHEM
how many gram of potassium bromide can be made from 13.7 grams of potassium and unlimited bromide
asked by Sienna 
Chemistry
0.500 mol of Ca(IO3)2 contains  mol of iodine, I; to supply this much iodine, g of calcium iodate are needed. [Iodised salt contains a trace amount of calcium iodate, Ca(IO3)2, to help prevent a thyroid condition called goitre.]
asked by Zakaria 
Changes in Matter
Which of the following are examples of a physical change? a)change in physical state b)change in size or shape c)change in properties d)change in texture e)change in physical quantities f)change in substances Answer: a, b, and d Please correct me if I'm
asked by Sara 
Chemestry
the solubility of a gas is 0.34g/L at STP. What is it's solubility at a pressure of 0.80 atm and the same temperature?
asked by David 
3rd grade
Mazie counted her dimes. When she put them in groups of 4, she had 2 left over. When she put them in groups of 5, she had one left over. What is the smallest number of dimes she could have, if she has more than 10
asked by Tonya 
Probabilities (Math)
An experiment consists of tossing a coin 14 times. (a) How many different outcomes are possible? (b) How many different outcomes have exactly 9 heads? (c) How many different outcomes have at least 2 heads? (d) How many different outcomes have at most 10
asked by Shane 
chemistry
When methanol undergoes complete combustion, the products are carbon dioxide and water. 2CH3OH (l) + 3O2(g) > 2CO2(g) + 4H2O (g). How much water ( in grams) can you maximally produce if you burn 50g of methanol? In real experiment, you isolate 10 mL of
asked by Monica 
Physics
Two charged dust particles exert a force of 3.8 10^2 N on each other. What will be the force if they are moved so they are only one third as far apart? ________N
asked by Dar 
macroeconomics
In each of the following cases, either a recessionary gap or inflationary gap exists. Assume that the aggregated supply curve is horizontal so that the change in real GDP arising from a shift of the aggregated demand curve equals the size of the shift of
asked by Jacqui 
Changes in Matter
Which of the following geological changes are physical changes and which are chemical changes? a)formation of a limestone cave b)creation of a canyon by a river c)wearing of rocks by wave action d)destruction of lakes by acid rain e)heaving of the ground
asked by Sara 
AP Chemistry
A solution is prepared by mixing 0.0200 mol CH2Cl2 and 0.0500 mol CH2Br2 at 25°C. Assuming the solution is ideal, calculate the composition of the vapor (in terms of mole fractions) at 25°C. At 25°C, the vapor pressures of pure CH2Cl2 and pure CH2Br2
asked by Sarah 
Courses *URGENT*
I have to complete a course selection form for school but I'm having some trouble understanding some of the courses. Can someone please help me please? Science and Technology: This is a science course provided to meet the needs of students requiring a
asked by John 
math
How do I convert the polar equation r  3cos(theta) = 5sin to cartesian equation form?
asked by karen 
math
In triangle ABC, sin A = 0.7 and sin B = 0.3 and side a = 12. What is the value of side b?
asked by Paula 
Chem
At a particular temperature, Kc = 54 for the reaction If 1.0 mole of H2 and 1.0 mole of I2 are placed in a 5.0 L container, what would be the equilibrium concentration of HI?
asked by CC 
Math(Please help)
use trigonometric identities to transform one side of the equation into the other. cos Q sec Q = 1
asked by Abbey 
Chemistry
when dissolved in an aqeous solution, which of the following salts will yield an acidic solution? NH4Cl, NaClO4, Na2S, MgBr2, Ba(CH3CO2)2
asked by james 
English II
One way to make the overall message of this article more objective would be to. Select all that apply remove the quality statements make more quality statments add alternative opinions remove any inaccurate information none of the above
asked by Betty 
math word problem
how many ways can you arrange 6 books on a shelf horizontally?
asked by Paula 
5th grade MATH!!!!!
Can a line segment have two midpoints? EXPLAIN!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
asked by Cameron 
math
The vertex of a parabola is(2,4). One xintercept is 7. What is the other xintercept?
asked by becca 
physics
Two charged spheres are 18.0 cm apart. They are moved, and the force on each of them is found to have been doubled. How far apart are they now? ______cm
asked by Dar 
International TradeEconomics
The demand and supply curves for an importcompeting industry in a country are given by: D = 500 – 10P, S = 100 + 10P. Similarly, the respective demand and supply curves of foreign country for this industry are given by D* = 400 – 10P, S* = 200 + 10P.
asked by JP 
Chem
A mixture is prepared with [CO] = 0.035, [Cl2] = 0.015, and [COCl2] = 0.95. It is known that Kc for the equilibrium is 1.2 x 103 at 400OC. Predict what will happen. Choose one answer. a. The reaction is at equilibrium so no net reaction occurs. b. The
asked by CC 
Chemistry
H1+(aq) + Fe(s) ==> H2(g) + Fe2+(aq) I am trying to balance this equation...but I am not sure how to balance the H's. I have the half rxns as e + H+(aq) ==> H2(g) Fe(s) ==> Fe2+(aq) + 2e I multiplied the reduc. rxn (top) by 2 so I could get rid of the
asked by Val 
Classroom Management Techniques
Hi I need some help on finding the correct answers,I got these wrong, my answers were : 2c/4c/7d/9a/13d/14c/16c/19b/20c Thanks 2. According to the assertive discipline model, good classroom management is designed to do what? A. Teach students to become
asked by Deya 
Chemistry
2NaHCO3 + H2SO4 >Na2SO4 + 2H2O + 2CO2 Can u tell me physical states of the equation?
asked by Khin 
Physical science
Why don't you move when you pull a door open and the force the door exerts on you is equal to the force you exert on the door?
asked by Taylor 
math
container A has twice the capicity of container B. container A is full of sand and container B is empty. suppose 1/8 of the sand in container A is poured into container B. what fractional part of container B will conatin sand.........please halpme i am
asked by Katherine 
physics
A bird of mass 0.8kg hovers upwards by beating the mass of effective area 0.5m^2. (i) what is its upthrust? (ii) estimate the velocity imparted to the air by beating of the wings assuming the density of air at STP to be 1.3kg/m^3.
asked by Edwin 
math
Convert the polar equation r3cosx = 5sinx in Cartesian equation form.
asked by dan 
Changes in Matter
Which of the following kitchen activities are physical changes, and which are chemical changes? a)cooking baconchemical b)making icingphysical c)baking a cakechemical d)using oven cleanerchemical e)making whipped creamphysical Please correct me if I'm
asked by Sara 
chemistry
how many kilojoules of heat are absorbed when 1.00L of water is heated from 18 degrees celsius to 85 degrees celsius?
asked by brit 
Math
In a certain coastal basin, the sea water contains 3.5 grams of salt per 1000 milliliters of water. How many grams of salt would be in 2 liters of the sea water.
asked by Lyndse 
home economics
describe disposal of fullness  gathering, easing, topstitching
asked by Anonymous 
geometry
simplify thr ratio 6yd/10ft
asked by tommira 
PreCal
evaluate the trigonometric functions by memory or by constructing appropriate triangles for the given special angles. a) csc 30 degrees b) sin pi/4 = sqrt2 / 2 I just do not know how to find csc 30 degrees.
asked by Abbey 
Math
What is the measure of the dent angle for a starshaped polygon with 8 points and a point angle of 20 degrees?
asked by Lyndse 
physics
If i take the inverse of a value, what happens to its uncertainty? For example, if I have C +/ deltC and then i do 1/C. What happens to delta C? Thank you
asked by jude 
MATH!!!
An experiment consists of tossing a coin 14 times. (a) How many different outcomes are possible? (b) How many different outcomes have exactly 9 heads? (c) How many different outcomes have at least 2 heads? (d) How many different outcomes have at most 10
asked by Janel 
how children learn
Which of the following techniques will help to meet the student’s need for autonomy? A. Give them clear directions B. Show them a model of exactly what they’re to do. C. Give them choices. D. Give them deadlines
asked by louise 
math word problem
The sum of a number and its square is 72. What is the number? I took a guess at 8, but I don't know how to put it in an equation form.
asked by Paula 
trig
Is the somewhere where I could learn how to graph polar coordinates such as (1,pi/3)?
asked by bill 
Chemistry
C9H20 + 19/2O2 > 9CO2 + 10H2O Please Can u find the physical states for this equation?
asked by Khin 
English
1. At Sora's school, the first period begins at 8:30 am. 2. The first class begins at 8:30 am at Sora's school. 3. School begins at 8:30 at Sora's school. Students should come to school by 8:30, and they should do selfstudy for 30 minutes. They take a
asked by rfvv 
Math
Find the volume of a cube with a cylindrical hole of diameter of 68mm? It is a perfect cube with each side of 84mm Thank you.
asked by Lyndse 
Psychology
Hello I to write a paper and part of the paper is asking for information I am not sure which way to go if some one can please help me with this I would appreciate it the section I am having a problem with is Explain the criticism of artificiality in the
asked by Ann 
Chemistry
During the preparation of K3[Al(C2O4)3].3H2O, NaOH was added slowly and with stirring over an approximately 10minute period to a solution of Al2(SO4)3 solution. The combined solution was heated to almost boiling and left to stand for a few minutes. 1. Why
asked by Alan 
math
for the school play, 1 adult ticket cost $5 and 1 student ticket cost $3. twice as amny student tickets as adult tickets were sold. the total reciepts were $1650. how many of each kind of tickets were sold?
asked by Anonymous 
geometry
Your math classroom has 4 computers in it. There are 18 students in the class. What is the ratio of computers to students? whats the equation ?
asked by Jay 
College Physics
An electron is accelerated through 2550 V from rest and then enters a region where there is a uniform 1.30 T magnetic field. What are the maximum and minimum magnitudes of the magentic force acting on this electron?
asked by Anonymous 
measurements
What is 6ft in inch.
asked by billie 
measurements
What is 6 ft in decimeter and 6ft in centimeter
asked by billie 
Chemistry
Write a balanced chemical equation for each single replacement reaction. A) Au(s) + KNO3(aq) ==> ??? B) Al(s) + H2SO4(aq) ==> ???
asked by Danny 
U.S. History
Compare and contrast the initial formation of two states—Virginia and Pennsylvania—by evaluating and listing the similarities and differences of the first state constitution for each state. •Identify the date of each constitution and consider the
asked by John 
Calculus
Hi there,could you help me with the following questions; 1.) Analyze the key features (any asymptotes, intercepts, critical points) and then sketch the graph of the function f(x)= x0.25/x^2 > I am unsure about my answers could you tell me if I am
asked by Karen 
geometry
What is the probability of 2 randomly chosen angles being congruent in a general triangle?
asked by Teresa 
geometry
A standard doorway measures 6ft 8inches by 3ft. What is the largest dimension that will fit through without bending?
asked by Corinna 
Math
2.5 divided X = 5 2.5 times X = 5
asked by Dee 
government
A member of congress who votes based on the wishes of his or her constitutes operates in which of the following roles? a)Trustee b)Delegate c)Partisan d)politicol
asked by Arnold Swagger 
Finite Math
An experiment consists of tossing a coin 14 times. (a) How many different outcomes are possible? (b) How many different outcomes have exactly 9 heads? (c) How many different outcomes have at least 2 heads? (d) How many different outcomes have at most 10
asked by Jared 
Chemistry
This is the equation for the formation of Al(OH)3: 6NaOH (aq) + Al2(SO4)3 (aq) ¨ 2Al(OH)3 (s) + 3Na2SO4 (aq) Would any side products be formed if NaOH was added quickly into Al2(SO4)3?
asked by Alan 
math
you can draw one segment to connect two points and three distinct segments to connect three named points. how many segments can you drawto connect five points if no three of the points lie on the same line.........please help me i am confused
asked by Katherine 
MATH  Can someone please help!
Suppose you are in the market for a new home and are interested in a new housing community under construction in a different city. a) The sales representative informs you that there are two floor plans still available, and that there are a total of 70
asked by KiKi 
MATH
Maria found 1 penny on Mon under her pillow, 2 on Tuesday and 4 on Wed. On Thurs, Fri, Sat and Sun she found double the amount she found under the pillow she found the day before. how much money does Maria have on Sunday?
asked by RAVI 
macroeconomics
is this a recessionary or inflationary gap. aggregate supply curve is horizontal, change in real GDP arising from a shift of the aggregate demand curve = the size of the shift of the curve. Calculate both the change in government purchases of goods and
asked by Jacqui 
Physics
A 0.56kg mass is suspended from a string, forming a pendulum. The period of this pendulum is 3.6 s when the amplitude is 2.2 cm. The mass of the pendulum is now reduced to 0.27 kg. What is the period of oscillation now, when the amplitude is 2.5 cm? Give
asked by Angie 
Physics
The displacement of an object in SHM is given by y(t) = (7.1 cm)sin[(1.64 rad/s)t]. What is the frequency of the oscillations in Hz? I'm completely stuck here. I was thinking that frequency = 1/t. I'm stuck with the information given. Please help!
asked by Angie 
Biology
There are 10 Characteristics of a living organism 1. Composed of one or more cells 2. evolve into a new type of organism 3. carries out and controls a variety of Chemical reaction 4. produces offspring resembling itself. What are 6 more.
asked by Jenny 
measurements
What is 8ft in decimeter and centimeter
asked by billie 
computer programming
Construct a structure chart, as well as a flowchart and pseudocode, for the following problem. Assume that each input record contains a taxpayerâ€™s name, the value of a personal property belonging to the taxpayer, and a code defining the type of of
asked by nina 
math
you can draw one segment to connect two points and three distinct segments to connect three named points. how many segments can you drawto connect five points if no three of the points lie on the same line.........please help me i am confused
asked by Katherine 
help
the weather reporter pointed to the map and said today a blizzard blanketed the town of Preston under seven feet of snow.one eyewitness said it was the worst storm of the century.the low tomorrow will be an uncomfortable ten degrees above zero 1)this
asked by Anonymous 
Geography
10. How was the Great Leap Forward supposed to make China's production greater than that of the Western nations? a. by replacing private ownership of farms with common ownership b. by combining China's collectives into selfsufficient People's Communes c.
asked by y912f 
world history
What were stalins goals & what steps did he take to acheive them?
asked by jenny 
Physics
In a football game, a tackle running at a constant speed of 5 m/s tackles a stationary receiver. The two fly off horizontally at 4 m/s, before they hit the ground and begin to slow down. If the mass of the tackle is 105 kg, a.) What is the mass of the
asked by Patrick Siy 
chemistry
what volume should a 1.0L balloon at 25 degrees celcius and 1.00 atmosphere pressure be if immersed in liquid nitrogen (196 degrees celsius, 1atm)?
asked by finn 
Changes in Matter
Which of the following are examples of a chemical change? a)corrosion reactions b)combustion reactions c)dissolving of sugar d)evaporation of water e)decaying reactions f)digestion of food Answer: a, b, c, e, and f Please correct me if I'm wrong, thanks
asked by Sara 
algebra 2
A cannonball is launched from a cannon on a wall. If the path is traced on piece of paper so that the cannon is situated on the y axis, the equation of the path is y= 1/600x^2 + 1/2x + 20. How high above the ground is the cannon.
asked by DEE 
BUSINESS FINANCE
John Smith wants $80,000 per year in his retirement. He plans to be in retirement for 30 years. He has 25 years to work. Assume an interest rate of 7% for the next 55 years. How much does he need to deposit at the end each year while he is working in order
asked by Ashley 
English
What does Bora do after school? 1. She goes to a drama club. 2. She goes to the drama club. (Which answer is right? Are both right?)
asked by rfvv 
Calculus
Differentiate x5^sqrt(x). Help please!
asked by Stuck 
math
container A has twice the capicity of container B. container A is full of sand and container B is empty. suppose 1/8 of the sand in container A is poured into container B. what fractional part of container B will conatin sand.........please halpme i am
asked by Katherine 
English
the video media yp club the print media yp club the information telecommunication yp the RCY club the English conversation club the environment guard club the quilt club the reading essay club / the reading and writing club the cartoon drawing club the
asked by rfvv 
Gen. Chem
To make a solution with a pH = 4.40 a student used the following procedure : a certain amount of sodium acetate along with 0.280 moles of acetic acid is added to enough water to make a solution of 1.00 L How many grams of sodium acetate were added ? Ka =
asked by Rinzin 
math
guess my rule with two rules
asked by Jorge 
chemistry
final mass initial mass CO2 mass (1.) 84.755 minus 85.672 = .917 (2) 84.733 minus 85.684 = .951 (3) 84.757 minus 85.707 = .95 what is maximum volume of vinigar that can be neutralized by one alka seltzer tablet and explain? Not sure how to get this
asked by DEBBIE 
CHEM_
if 16.5 of iron (II) sulfide contain 6.02 x 10^23 formula units, how many formula units of iron (II) sulfide are in 1.00 mL of iron (II) sulfide? The density of iron (II) sulfide is 4.84 g/cm^3
asked by Sienna 
English
How long is the history of wayang kulit? 1. It has a history of more than 1,000 years. 2. It is more than 1,000 years old. 3. It is more than 1,000 years. (Which answers are correct?)
asked by rfvv 
Physics
What is the speed of a wave with wavelength=150 m and T=9.8 s, when it is moving through water 40 m deep? What is its speed when the wave reaches water of 5 m depth?
asked by Krysten 
Oceanography
What is the speed of a wave with wavelength=150 m and T=9.8 s, when it is moving through water 40 m deep? What is its speed when the wave reaches water of 5 m depth?
asked by Krysten 
SOC402
In what ways is the health problem affected by the family, the economy, and the polity?
asked by meshelle 
physics
Two parallel wires which carry currents I1 = 69 A and I2. The top wire is held in position, the bottom wire is prevented from moving sideways but can slide up and down without friction. If the wires have a mass of 5.3 g per metre of length calculate
asked by Jason 
Finance
How much cash must be deposited in a savings account In Order To Accumulate 50,000 At End Of 7 Years With 12 % Interest Rate?
asked by Lance 
Chemistry
Wilh this form a buffer? 50 mL of .10 M HCl; 35 mL of .150 M NaOH WORK: Moles of HCl= .005 Moles of NaOH= .00525 total litres of solution= .05 + .035= .085 L [HCl]= .005 mol/.085 L = .0588 M [NaOH]= .00525 mol/ .085 L = .0618 M Ka of HCl= 1.3*10^6 pKa=
asked by Vanessa 
physics
A plane sound wave propagated in air has individual particles which execute a periodic motion such that their displacement y from their rest position at any time t is y=5x10^(6)sin(800pie(t)+theta). Calculate (i) wavelength. (ii) phase diff in degree
asked by Edwin 
measurements
What is the nearest foot of a refrigerator and what is the nearest inch
asked by billie 
Trig
Simplify:::: sin (teta) cot (teta) = cos (teta)
asked by John 
Chem
At a particular temperature, Kc = 54 for the reaction H2(g) + I2 (g) 2 HI(g). One mole of HI is placed in a 3.0L container. What would be the equilibrium concentration of HI?
asked by CC 
trig
convert polar to rectangular 2,2pi/3 ?????
asked by Jill 
math
Jen,amy,linda,max and jenny are compteting to fill two remaining spots on the chess team. How mant different combinations are possible for filling the two spots? 120,60,20,or 10
asked by Joe 
TradeEconomics
1.United States and Mexico have two industries; call them, Lintensive (LIN) and Kintensive (KIN). They have two factors of production: labor and capital. US is a capital abundant country and Mexico is a labor abundant country. At the initial equilibrium,
asked by Kp 
research writing
what strategies does the author use to formulate his argument in the article a nation apart
asked by elaine 
math
At a laundromat there is 1 more dryer than there are washers. Write a rule to find the number of d dryers for every w washers.
asked by Marsha 
10th grade
Read the following paragraphs and in the space provided below, identify each highlighted word as a direct object, an indirect object, a predicate nominative, or a predicate adjective. Example: I enjoy [1] cooking but it can be hard [2] work. 1. direct
asked by Amber 
Physics
A voltmeter of internal resistance of 5000 Ω is connected across the poles of a battery of internal resistance 0.20 Ω. The voltmeter reads 1.4993 volts. What is the actual zerocurrent emf of the battery? Would this formula be I = V/(r+R) =
asked by Selma 
COM/150
TOPIC OUTLINE AND WORKING REFERENCES LIST CHECKPOINT
asked by tony 
HSM 270
I just need someone to explain this suggestion to me about a evaluation plan. I am so confused and my instructor not answering her phone. I really need help. The assignment was to describe the types of evaluations you would include in your evaluation plan
asked by Tiara 
com 220
I have to make the graphs myself they cannot come from the internet. It has be all our own original work. So I am really stuck on this one. I have never made a graph.
asked by Tracie 
HSM 270
I just need someone to explain this suggestion to me about a evaluation plan. I am so confused and my instructor not answering her phone. I really need help. The assignment was to describe the types of evaluations you would include in your evaluation plan
asked by Tiara 
Biology
32. To function properly, a neuron must maintain a a. membrane potential b. neurotransmitter c. negative charge on the inside d. positive charge on the inside I'm stuck between C and D... 34. Hormones are essential to maintaining homeostasis mainly because
asked by mysterychicken 
CHEMISTRY
What is the hydroxide ion concentration in mol/L of a solution if 0.080 grams of NaOH are dissolved in 2.0 liters of solution?
asked by Confused person 
Statistics
I think the answer to this question is False but I would like to confirm. Thank you for your help. True or False: Suppose the population mean is 50 and the population variance is 100 for a population. In a sample where n = 100 is randomly taken, 90% of all
asked by Billy 
health
if hippa rules are stricter than state law, which standard should you follow and why? what if the state law was stricter?
asked by estela 
taxation
noncash items received as income must be included in income at their fair market value true or false?
asked by jeannette 
Oceanography
Toledo, OH is on the western end of Lake Erie. Would a north, west, or east wind produce the biggest wave in toledo? Why?
asked by Krysten 
math
How is the expected outcome determined in a discrete distribution? I do not understand this question. Could someone please help me.
asked by grey 
marketing
USING THE SEVEN PHASES OF NEW PRODUCT DEVELOPMENT AS A GUIDE, DESCRIBE HOW YUR COMPANY WILL DEVELOP THE NEW PRODUCT
asked by CARLA 
trig
Suppose sin theda= – 3/5 and theda is a Quadrant III angle. Find the exact value of sin 2 theda and cos 2 theda.
asked by Anonymous 
algerbra
System of equation can be solved by graphing or by using substitution or elimation. What are the pros and cons for each methods?
asked by Ronny 
algebra
James invested some money at 12% interest. James also invested $188 more than 4 times that amount at 13%. How much is invested at each rate if Sang receives $2249.57 in interest after one year?
asked by Hannah 
Calculus  another question
"Find the absolute minimum value of the function f(x) = x ln(x)". I know that one of the critical values is 1 (domain restriction). Am I right? So I did the derivative, and got 1+ ln(x), but I cannot figure out the critical values, because ln(x) can't
asked by Stuck 
trig
how do i evaluate using formulas? i did almost the entire thing, but i can't finish the problem because i don't know how to simplify it: tan(5/12pi) i can get until this part: = (6pi/24)+(4pi/24) / 1(2pi/24)
asked by mel 
English
1. You know what 2. Guess what 3. By the way (Are the three expressions the same in meaning and in usage in a sentence?)
asked by rfvv 
literature
why was mora's mother's ability to deliver a speech in the state capitol so amazing?
asked by kayla 
Physics
A solar panel (an assemblage of solar cells) measures 58 cm x 53 cm. When facing the Sun, this panel generates 2.7 A at 14 V. Sunlight delivers an energy of 1.0×10^3 W/m^2 to an area facing it. What is the efficiency of this panel, that is, what fraction
asked by Jenny 
Freshmon Comp
Can someone please help me come up with a simple topic for a division Analysis Essay. It only has to be four hundred word so it cant be to general please help me its due tomorrow and i still havent got a clue, for a topic
asked by Sara 
AED 201
How do such rewards influence recruitment or retention? This is what I have for internal and external rewards that affect recruitment and retention of qualitiy teachers. Internal rewardsthe satisfaction a person gets from teaching and helping children
asked by Rayna 
Precalculus
Can anyone help me with this question please!! Show that (cosh x)^2  (sinh x)^2 = 1 for every real number x.
asked by jh 
math
what is the remainder when ka^33a^2+5a8 is divided by a+1. please help and thank you
asked by tom 
chemistry
what volume should a 1.0L balloon at 25 degrees celcius and 1.00 atmosphere pressure be if immersed in liquid nitrogen (196 degrees celsius, 1atm)?
asked by finn 
English
Can you please check if the following questions are correct? 1) Which Lennon’s song became a special song for peace? 2) In which other Lennon’s song is there a strong antiwar message? 3) Who was Vietnam a colony of? Or Which country was ..? Vietnam
asked by Franco 
Calculus
given y=sec(x^2)ln(2x^5) find dy/dx
asked by Joe 
reading
thank you for you time i just want to see if i did my work correct.i will put the questions and answers and on the bottom of that i will put my answer. now as the train bears west, its rhythm rocks the earth, and from my Pullman berth i stare into the
asked by tommy 
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 Sandy 
measurements
What is the nearest foot for a bathtub and the nearest inch
asked by billie 
Trigonometry
Establish the following identity. 1/1cosx + 1/1+cosx = 2csc(squared)x
asked by Michael 
business
I need to Create a table that lays out a daybyday plan to use as a job aid for your employment search, spanning 3 weeks. I am completely lost with this assignment. Please help!!
asked by anita 
Business
Identify effective program design strategies in accordance with identified organizational and community needs and strengths.
asked by Linda 
political 100
why can't the president sit down with a group of able and intelligent advisers and produce an ffective program to address the problems facing the nation?
asked by kelvin 
Environmental Science
For my research paper on Coral Reefs, can someone please help me write an intro paragraph? I think I should first start by writing a thesis statement, although I'm not sure if thesis statements are required in research papers. If so, please help me. This
asked by y912f 
math
if you have 6 dozen eggs and use 3/4 of the eggs hoe many eggs remain
asked by Anonymous 
world history
I have to find a link between West Virginia and Texas. Having no luck. I either come up with common law marriage, or basketball scores. Please help.
asked by Mike 
Math 116
Okay so now I am working on the substitiution portion of this assignment and I understand the first part by not the second can someone help? Suppose you are in the market for a new home and are interested in a new housing community under construction in a
asked by KiKi 
PreCal (Please help)
Identify any asymptotes of the graph. y = 1.08^5x I know that there is a horizontal asymptote but I do not know how to find it.
asked by Mark 
math
Create two problems for your fellow students to solve. Make one of the questions a permutation and the other one a combination. The permutation I gave this example. In how many ways can we arrange 8 movies on a book self? The combination example I put. How
asked by Linda 
English
Can you please check the following sentences I need to prepare for tomorrow please? Thank you very much for your help. 1) The healthcare reform, which is expected to become law soon, marks the biggest change to the US system for decades. 2)It provides
asked by Franco 
Math 5th Grade
Which of the fowllowing capacity relationships is true? A) 1 millimeter = 1,000 liters B) 16 fluid ounces = 1 cup C)10 pints > 8 quarts D)5 quarts < 1 gallon
asked by MATH PLEASE HELP 
PreCal
Identify the following features of the graph of g(x) = (3/2)^x+2 A) Asymptotes B) Intercepts C) Increasing or decreasing Once I graph this on my calculator, how can I find these?
asked by Mark 
English
Why would a man with no talent, no looks, no money etc.. drive around the summer streets of NYC, showing down to talk with women  women he doesn't know, but who do posses talent, looks, money and etc.. (150 words min).
asked by Eraser 
Chemistry
Why is heating required for this formation: 6NaOH (aq) + Al2(SO4)3 (aq) ¨ 2Al(OH)3 (s) + 3Na2SO4 (aq)? Wouldn't freezing favour the formation of Al(OH)3 since freezing lower the KSP and more Al(OH)3 would precipitate?
asked by Alan 
Math 30
Determine the constant term in the expansion of (x+2)^9. would it be 2^9?
asked by Sandy 
math
container A has twice the capicity of container B. container A is full of sand and container B is empty. suppose 1/8 of the sand in container A is poured into container B. what fractional part of container B will conatin sand.........please halpme i am
asked by Katherine 
Math
What is the product of the sum of 1.3 and 0.9 and the difference of 1.2 and 0.8
asked by Lily 
PreCal
Find the values of Q in degrees and radians without the aid of a calculator. a) cotQ = sqrt 3 / 3 b) secQ = sqrt2
asked by Abbey 
Physics
In a football game, a tackle running at a constant speed of 5 m/s tackles a stationary receiver. The two fly off horizontally at 4 m/s, before they hit the ground and begin to slow down. If the mass of the tackle is 105 kg, a.) What is the mass of the
asked by Patrick Siy 
English
1. He has more than 100 dollars. 2. He has less than 100 dollars. 3. He has 100 and more dollars. 4. He has 100 and less dollars. (Are they all grammatical?) Does #1 include 100 dollars? Does #2 include 100 dollars? Are #3 and #4 correct? Is #2 the
asked by rfvv 
6th grade Math
2 1/2 divided X = 5 2 1/2 times X = 5
asked by Dee 
Calculus
find f'(x) f(x)=cos(2x)tan(2x)/2√x
asked by Joe 
Geology
The importance of science of geology to us as a civilization
asked by Carol Alioto 
Math 30
The first 3 terms in one row in the Pascals triangle are 1, 10, and 45. Determine the next two terms in this row. Did I do this right.10C4=210 and 10C5=252
asked by Sandy 
English
Can anyone tell me a quote about Myrtle in the Great Gatsby which proves: She is shown to be an attention seeker who tries to make an appearance of being in the upper class by criticizing the lower classes.
asked by Nora 
chemistry
Problem: how many grams of oxygen combined with 15 grams of nitrogen are in the compund N2O? Please explain how to solve.
asked by Anonymous 
com 220
I need a link to find charts and graph statistics on racism and prejudices today
asked by Tracie 
Business
In simple terms describe and explain the differences between qualitative and quantitative evaluation methods
asked by Linda 
com 220
I am writing an esay on Racism and how it has changed over the years for the blacks. I have to make visuals for my essay. Where would shoudl I go to get information to put on my visuals such as graphs and illustrations?
asked by Tracie 
Biology
ATP provides cells with energy needed for?
asked by Jefery 
Calculus
At what point on the given curve is the tangent line parallel to the line 3xy=6? y=2+2e^(x)3x
asked by Anonymous 
science
help!!!! leggoosss my hw says  after learning about rocks at joshua tree national park, i am now a great (blank)
asked by alli 
BUSINESS FINANCE
Dan Morgan inherits $900,000. He plans to take out an equal sum over the next 25 years, while his funds earn 9%. How much can she take out at the end of each year? I took the 900000/9.823 from the PVA IFA chart and it doesnt seem correct. It came out to
asked by Ashley 
math
80+95/42+93
asked by kayla 
Classics
What are some characteristics for Hurcules/Heracles??? Eg Brave
asked by Charlotte 
critical thinking 105
A(n)___________ is a set of claims intended to support or prove a conclusion
asked by Teresa 
world history 1
what cardinal was placed in charge of assisting king after Henry iv's death?
asked by cherokee 
inorganic chemistry
In the final step of making the nitro complex it involves the addtion of concentrated HCl. What are the role(s) of the HCl in this step of the synthesis? nitro complex: [Co(NH3)5(NO2)]Cl2
asked by jane 
Calculus
find f'(x) f(x)= sin(3x)/2x^24
asked by Joe 
Calculus
find f'(x) f(x)=x^5lnx
asked by Joe 
sociology
what is your experience with bureaucracy or a corporation. Say if it was a good or bad experience for you and why??
asked by Hannah 
Writting papers
Please critique and correct this document in APA STYLE AND FORMAT. Nursing Theory as the Basis of Care Who am I? One of the greatest ironies of my life is that my generation has eyes yet can not see they have ears and yet can not hear. My generation has
asked by Susan 
English
I reallly hope someone of you can check these sentences I need to prepare for tomorrow. 1) The healthcare reform, which is expected to become law soon, marks the biggest change to the US system for decades. 2)It provides cover for (or it offers coverage
asked by Franco 
math
Tom received 90 votes in the student council election. That was 30% of the total votes cast. How many votes were in the election? 200 270 300 360
asked by Joe 
principle of marketing
Since economy boom is an external factor how does it affect a company pricing decision?
asked by nicola 
calc 3
what is the yparticular of: y"2y'+2y=(e^t)(sin(t))
asked by Michael 
reading
different creatures are equipped to live in different places.and moose long ago adapted to bogs and lakes, deer to forests and brushlands and bighorns to mountain peaks.the pronghorn,America's smallest "big game" mammal,is beautifully fitted to life on the
asked by tommy 
Chemistry
You are required to plan and design an investigation to test the following hypothesis Black inks from three different brands of permanent makers contains different dyes. I want to know how to go about doing this lab What Aim must be use? What is the
asked by Confused Grace 
algebra
I'm looking to see if I did this right or not. ((y5)/((x^2+5x)(x^2+5y)))+((1)/(x+y))((2)/(x+5)) = ((y5)/(x+y)(x+5))+((1(x+5)/(x+y)(x+5))((2(x+y)/(x+y)(x+5)) = ((y5)+1(x+5)2(x+y)/(x+y)(x+5)) = y6 ????
asked by James S. 
11th grade
how much current flows in a 12watt radio connected to a 120volt circuit.
asked by Daquindre 
PreCal
Identify any asymptotes of the graph. y = 1.08^5x I know that there is a horizontal asymptote but I do not know how to find it.
asked by Mark 
English
1. I am Bora, your student from last year. 2. I am Bora, your student last year. (Which one is correct?) 3. School begins at 8:30 am. (What does school mean here? Does 'school' mean 'class'?)
asked by rfvv 
marketing
Consider a recent purchase that you or a family member has made (examples: a household product, a DVD or CD, a grocery item, an electronic device, etc.) Describe the item and list three main reasons you purchased that product as opposed to another product.
asked by smartonesmartone 
math
How to factor (x/x2)(x+2/x) my answer is x^2x2/x and (3+sq rt 5)*(3sq rt 5) my answers are either 4 or 3*sq rt 5^2 are any of these right? Thanks so much for all of your help.
asked by Paula 
Ethics
Can groups or organizations function autonomously apart from the individuals that comprise them
asked by Kell 
5th Grade MATH!!!!!!
Can a line segment have two midpoints? Explain.
asked by Cameron 
CRT 105
A(n)_________ claim is a claim about a matter of fact.
asked by Teresa 
CRT 105
A(n)________ or factual issue is one whose truth can be settled by an agreedon method for collecting evidence,the truth about which is a fact, and disagreement about which means that at least one of the people is mistaken.
asked by Teresa 
Oceanography
One globally important consequence of the horizontal ocean circulation and one globally important consequence of vertical circulation in the oceans?
asked by Krysten 
9th grade
1j + 2c =11 1L + 1c = 5 1j + 2L = 3 1j + 1c + 1L = t What is t?
asked by Michelle 
literature
why do you think mora's mother's speech was amazing
asked by kayla 
math
help with solving the system of equations 3x+4y+z=7 2y+z=3 5x+3y+8z=31
asked by Paula 
social studies
chose two health disability rights. HOW YOU WOULD APPLY THE PRINCIPLES OF THESE TWO RIGHTS INTO YOUR WORK WITH YOUR CONSUMERS?
asked by samira 
ENGLISH
WHY DO YOU THINK CONFIDENTIALITY IS AN IMPORTANT COMPONENT OFTHE CODE OF RIGHTS?
asked by samira 
MATH
HOW DO YOU CALULATE THE DIMENSIONS OF A RECTANULAR PRISM IF THE DIMENSIONS ARE 21FT BY 15 FT BY 8 FEET
asked by INDIA DENNIS 
spanish
describe que llevas cuando estas en casa. como es diferente de la ropa que llevas a clases? can someone translate that for me?
asked by j 
science
would radiation levels in natural versus manmade objects be a good science fair project? I can borrow a geiger counter
asked by teri 
math
4w+5 ______=7 3
asked by makayla 
Algebra :\
Elimination using addition and subtraction: 1. x  y = 1 x + y = 3 2. x + y = 1 x + y = 11 3. x + 4y = 11 x  6y = 11 4. x + 3y = 6 x + 3y = 18 PLEASE HELP!!!! I NEED HELP ASAP!!!!
asked by Presley 
Math
I'm looking to see if I did this right or not. ((y5)/((x^2+5x)(x^2+5y)))+((1)/(x+y))((2)/(x+5)) = ((y5)/(x+y)(x+5))+((1(x+5)/(x+y)(x+5))((2(x+y)/(x+y)(x+5)) = ((y5)+1(x+5)2(x+y)/(x+y)(x+5)) = y6?
asked by James S. 
5th grade
how can 2and2 3thirds be equal to 16 sixths
asked by chris 
Biology
32. To function properly, a neuron must maintain a a. membrane potential b. neurotransmitter c. negative charge on the inside d. positive charge on the inside I'm stuck between C and D... 34. Hormones are essential to maintaining homeostasis mainly because
asked by mysterychicken 
12th grade
how can i find the initial velocity of a ball being kicked from a rooftop and landing on the ground?
asked by Anonymous 
Math
I'm looking to see if I did this right or not. ((y5)/((x^2+5x)(x^2+5y)))+((1)/(x+y))((2)/(x+5)) = ((y5)/(x+y)(x+5))+((1(x+5)/(x+y)(x+5))((2(x+y)/(x+y)(x+5)) = ((y5)+1(x+5)2(x+y)/(x+y)(x+5)) = y6
asked by James S. 
PreCal
What is the domain of f/g? f(x) = x / x+1 g(x) = x^3 Please explain! Thank you
asked by Hannah 
English
Posted by rfvv on Monday, March 22, 2010 at 3:48am. the video media yp club the print media yp club the information telecommunication yp the RCY club the English conversation club the environment guard club the quilt club the reading essay club / the
asked by rfvv 
Math
I'm looking to see if I did this right or not. ((y5)/((x^2+5x)(x^2+5y)))+((1)/(x+y))((2)/(x+5)) = ((y5)/(x+y)(x+5))+((1(x+5)/(x+y)(x+5))((2(x+y)/(x+y)(x+5)) = ((y5)+1(x+5)2(x+y)/(x+y)(x+5)) = y6
asked by James S. 
MACROECONOMICS
AN INCREASE IN THE PRICE OF PRUDUCT WILL REDUCE THE AMOUNT OF IT PURCHASHASED BECAUSE
asked by MEMEDOU 
science
what is radiation?
asked by teri 
Calculus
find f'(x) f(x)=(3x^24)^5 / √2x1
asked by Joe 
Freshman comp
Im going to do it on Resumes hows that ?
asked by Sara 
great basain
Seeteness salt and sugar are the most common food addidtives. True are falls
asked by lifra vivandize 
math
what does 1/4+3/10+14/15 equals?
asked by sam 
silk
when was it discovered
asked by maha 
math
2x^3(x^2+2x)^1/2 (x^2+2x)^1/2 / x^2 the whole numerator is over x^2
asked by Daniel 
math
where can i find a website about math thank you
asked by st 
english
what does the word ressurection mean?
asked by Anonymous