Questions Asked on
February 15, 2011

history
How is the New Deal a conservative defense of capitalism?
asked by Lilly 
trig
A man standing 9 meters above the ground observes the angles of elevation and depression of the top and bottom,of the top of the monument in luneta 6 degrees and 50 minutes and 7 degrees and 30 minutes respectively.Find the height of the monument?
asked by wenjelin 
Chemistry
Given that KH for CO gas at 25 OC is 9.71 x104 mol.L1.atm1. Calculate the mass of CO that would dissolve in 1.00 L of H2O if the partial pressure of CO is 1.38 atm.
asked by Chelsea 
math
You have exactly 100 dollars to buy 100 animals you must buy at least one of each of the following animals Chickens=50 cents each Pigs=3.00 each Cows=10.00 each
asked by Max 
physics please please please please please
a block of mass 2.50 kg rests on a ramp. if the coefficient of static friction between the block and ramp is 0.350, what maximum angle can the ramp make with the horizontal before the block starts to slip down?
asked by JayCee 
math
a piece of cardboard is twice as it is wide. It is to be made into a box with an open top by cutting 2in squares from each corner and folding up the sides. Let x represent the width (in inches) of the original piece of cardboard. a.Represent the length of
asked by Amy 
ap history
did j. Monroe actually threaten the european powers with the monroe doctrine? please help. need answer before school. thank you so much.
asked by heather 
Calculus
The figure below shows a function g(x) and its tangent line at the point B=(2,6.8). If the point A on the tangent line is (1.94,6.87), fill in the blanks below to complete the statements about the function g at the point B. g(2)= _____ g(2)= _____ I found
asked by Cecille 
Physiology
Briefly answer the question about cellular processes. (Hint: think about the function of the cell in question.) Cells in the pancreas, which makes a lot of digestive enzymes, tend to have a lot of rough endoplasmic reticulum. Why?
asked by Jerome 
Physiology
The muscle cells of a trained athlete tend to have more mitochondria than those of a couch potato. Why?
asked by Jerome 
Physiology
Why do cells tend to die if their lysosomes are damaged and break open?
asked by Jerome 
Physiology
Prostaglandins are formed as part of the inflammatory response, and are often formed after a cell has been damaged. From what cell organelle are prostaglandins formed?
asked by Jerome 
Physiology
Anesthetics such as ether, chloroform and nitrous oxide reduce responsiveness of cells by blocking ion channels and altering other properties of cells. What chemical property of these molecules enables them to easily enter cells?
asked by Jerome 
Physiology
Indicate whether the following circumstances would tend to increase, decrease or have no effect on the rate of enzyme activity. 1.adding more substrate but keeping the amount of enzyme of the same 2.adding more enzyme but keeping the amount of substrate
asked by Jerome 
English
1.Weren't you ______ to help me wash the dishes? (suppose) I have use correct form of suppose. Would it be suppose?
asked by Jack 
Physiology
Name a disease caused by a defect in the lysosome and describe the symptoms.
asked by Jerome 
Physiology
Name a disease caused by a defect in the mitochondria and describe the symptoms. In both cases, the disease may refer to a structural defect in the organelle, or some type of abnormal activity that takes place inside the organelle.
asked by Jerome 
science
David is traveling at 20 m/s in a car when the car hits the tree. David comes to a complete stop in 0.4 seconds. What is David's acceleration?
asked by Nicole 
english
Read the faculty’s rubric comments and the Turnitin® report provided in Appendix D. Write one paragraph of at least 200words explaining what the student could have done differently to avoid the plagiarism concerns raised by the faculty member. How
asked by megan 
math
the exact position of the squer root of 50 on a number line
asked by xavier 
math
how can i findout how to do a histogram of 2 tables 1 with 3 intervals and the other with 4
asked by kaylee 
ENG1B
Is the climax on "The Story of an Hour by Kate Chopin artistically effective?Explain in 7 to 10 sentences
asked by Jerome 
algebra 2
element x has a half life of 90 seconds. How much of a 100 gram sample of element x is left after half an hour
asked by frances 
Social studies
How did the geography of Europe effect the political and social structure during the middle ages
asked by Anonymous 
chemistry
what volume of water must be added to dilute 5.0 L of .50 M HCl solution into a .10 M solution?
asked by kara 
books
Does The Road by Cormac McCarthy have the philosophy of Dystopianism in it? Dystopian is also the belief that future technology will bring the downfall of mankind.... right? Thanks in advance from Carolina
asked by pop 
calculus
You work for the silver there is a home with a driveway 2 miles long extending to the house from a nearby highway. the nearest connection box is along the highway but 5 miles from the driveway. it costs the company $100 per mile to install cable along the
asked by scott 
Physics Please Help!
1. How much work is required to stop an electron (m = 9.11 10^31 kg) which is moving with a speed of 1.97 10^6 m/s? 2. An automobile is traveling along a highway at 91 km/h. If it travels instead at 100 km/h, what is the percent increase in the
asked by Anonymous 
Water at the top of Niagara Falls has a temperatur
physics
asked by gilbert 
Psychology
I need help. Can anyone tell me about twins studies.
asked by Lee 
Physics
A 55.0 kg girl is roping through the top of a tiny tree. She quickly swings down from her 12.0 m high perch and grabs a 21.0 kg dog as she swings. They barely swing back up to a tree limb. How high is this tree limb?
asked by J 
chemistry
If you start out with a 0.4M solution of Histidine at pH 6 and add an equal volume of 0.1M HCl, what would the final pH be?
asked by Ryan 
Stats
I need help with this problem for school. For the first one i got .3758 and second 1.6, but i don't think they are right. My calculations are off It is known that about 20% of car insurance policies include emergency road service. Suppose we randomly
asked by John 
calculus maths
Hi can some one help, explain the following please. I seem to have issues with this: 1 Find the corresponding particular solution (in implicit form) that satisfies the initial; condition y = when x = 0. 2 Find the explicit form of this particular
asked by Claire 
shaheen
wha interesting object are found from moen jo daro?
asked by hassan 
Maths
Metric unit of measurement put prefix in front of the base unit. For ex decimeter: prefix deci means onetenth, so one decimeter means onetenth of a meter. a. Which latin prefix means one thousand? b.Which latin prefix means onethousandths? c.What is the
asked by Annabeth 
Math
Runner runs 8 miles at 5 miles per hour, then another 2 miles at 7 miles per hour, find average speed.
asked by Nerd101 
program planning
write a single paragraph which answers this question, “Who is responsible for program planning, the academic advisor or the student? Explain why.”
asked by Anon 
Physics
Galileo threw a large rock upward from a tower balcony at an angle of 25.0o above the horizontal with an initial speed of 15 m/s. If the rock hits the ground 3.0 s later, how high above ground was the rock when it left Galileo’s hand?
asked by Karen 
intermediate algebra
Write the equation of the graph. Points are (8,6) and (0,0). I think you start at rise over run. But I'm confused thanks
asked by Rachal 
chem
rank strongest acid to weakest acid? rank strongest acid to weakest acid H3CNH2 CH3C (triple bond) CH CH2=CHCH3 H20 CH4 i tried to rank them using the Pka values but I couldn't find the pKa value of the alkyne and I thought the H3CNH2 was the strongest but
asked by Yoo 
Keynesians economics
The relevant of manageria economics to profit and non profit making of an organisation.
asked by Ehis 
chem
what other experiments or techniques can be used in replace of infrared spectroscopy
asked by Yoo 
science
what are the steps involved in cleaning waste in sewage treatment plant
asked by Divyam 
maths
four teenagers collected a total of £64 for charity. each teenager collected a whole number of pounds. the modal amount collected was £16. the range of the amounts collected was £2. work out how much each teenager collected?
asked by rose 
SPANISH
if i said, un animal grande que es la palabra en ingles para nariz, would you know what animal I was talking about.
asked by Diana 
math
you have a set of flashcards 136. a card is chosen at random. find the odds in favor of and against each selection. 1. multiple of 3 2. prime # 3. mutliple of 2 or 3 4. mutliple of 2 and 3 5. only 1 digit 6. has more than 1 digit
asked by megan 
math
you have a set of flashcards 136. a card is chosen at random. find the odds in favor of and against each selection. 1. multiple of 3 2. prime # 3. mutliple of 2 or 3 4. mutliple of 2 and 3 5. only 1 digit 6. has more than 1 digit
asked by megan 
physics
what if you had paper clips, rubber bands, wood chips, straight pins, strips of aluminum foil, and glass beads? Using a property of matter youve learned, classify thesse objects. Show your results in a table
asked by Anonymous 
Math
What is the probability that rolling four fair, sixsided dice produces an even sum?
asked by Diana 
business
can someone answer this. Employee searches for ways to satisfy these needs
asked by Denese 
math
Please help. Hi, I am having some problems with inequalities. It is asking us to solve and graph on a number line and then write it in interval notation and set notation. X>2 and X>4 I graphed them in a number line already and i have the following:
asked by phobia 
STATISTICS
Private colleges and universities rely on money contributed by individuals and corporations for their operating expenses. Much of this money is put into a fund called an endowment, and the college spends only the interest earned by the fund. A recent
asked by kim 
Physiology
What is the difference between the function of autonomic transmitters and receptors? In what way or how do they regulate effector cells that are dually innervated? Thanks!
asked by Josh 
US History
With the knowledge of hindsight, what suggestions would you make to the Big 4 at Versailles in 1919?
asked by Sarah 
english
what is the participal phrase?"The trainer, armed with a whip, entered the cage."
asked by Anonymous 
college physics
A 1.2kg piece of cheese is placed on a vertical spring of negligible mass and a force constant 1800 N/m. What is the length of compression of the spring?
asked by khent 
bookkeeping
What is the total liabilities and owner’s equity in the balance sheet you prepared in Exam Figure 4?
asked by ashley 
Science
What happen in the reactions: Na2SO4+HCl followed by BaCl
asked by Steve 
Amazon
y would businesses want to use aStore on Amazon? Is it because it can keep visitors longer on the site as they shop?
asked by Anonymous 
Discrete Math
Find the inverse of f: R→R given by f(x) = x³ – 2
asked by Francesca 
mathematics
what is the total of the nonequal sides of the smaller and larger triangle.
asked by blanca 
math
Ricky has a total of 64pennies and quarters in a jar.He has 34 more pennies than quarters.How much money does ricky have in the jar.
asked by jay 
Sciencies
1) Which two of the 12 science processes do you feel are the most important for students to understand early in their science studies? Defend your rationale. 2 What do you see as some benefits to teaching and learning science through an inquiry approach?
asked by Anonymous 
phy
The small archerfish (length 20 to 25 cm) lives in brackish waters of Southeast Asia from India to the Philippines. This aptly named creature captures its prey by shooting a stream of water drops at an insect, either flying or at rest. The bug falls into
asked by kia 
Spanish6th grade
1.If someone's birthday is December 1 would I say Es el primero de diciembre or Es el uno de diciembre? I think I would say Es el uno de diciembre because I think I only use el primero for January/ Is that correct? 2. If I said my grandparents names are
asked by Samantha 
chemistry
finding the largest mass of Aluminum chloride that can be formed when reacting with 31 grams of aluminum with 36 grams of chlorine
asked by Anonymous 
physics
An astronaut on a strange planet finds that she can jump a maximum horizontal distance of 17.0 m if her initial speed is 3.80 m/s. What is the freefall acceleration on the planet?
asked by kia 
Discrete Math
Determine the domain and range of: y = 5 – [1/ (1 + x)] So, would the domain be all real numbers except 1? And would the range be all real numbers except zero? I'm really confused. . .
asked by Francesca 
Physics
A vase is resting on a tabletop. If the mass of the vase is 0.5 kg calculate the normal force acting on it.
asked by Katelyn 
calculus
At a certain instant of time, the sides of the cube are 3 in. long and increasing at the rate of 0.2 in./sec. How fast is the volume of the cube changing at that instant of time?
asked by john 
math
Patty Kim earns $20,000 per year. She is paid 26 times per year and claims 1 exemption. If $17.31 is withheld from each paycheck, at what rate is she taxed?
asked by alicia 
physics
One strategy in a snowball fight is to throw a snowball at a high angle over level ground. While your opponent is watching the first one, a second snowball is thrown at a low angle timed to arrive before or at the same time as the first one. Assume both
asked by kia 
physics
Find the angle at which a curve of radius r should be banked in order that a car moving at a speed v will not need any frictional force to round it in the figure below. (Use the following as necessary: r, v, and g.) θ =
asked by Anonymous 
SpanishPlease check my answer
If I say my mom is younger than my dad do I say it this way? Mi madre es menor de mi padre? or do I say Mi madre es menor? Thank you I'm really confused on this one.
asked by Samantha 
English 101
Read Harry Potter and the Sorcerer’s Stone by Roger Ebert and The Sorcerer’s Apprentice by Elvis Mitchell Q: One criterion for an effective evaluation is that the writer explains the criteria on which he or she bases the evaluation. In what ways does
asked by homework help please. 
maths
twentyseven out of thirty students have a mobile work out the percentage of students who do not have a mobile phone! show each stage of working out? THANKYOU
asked by rose 
further mathematics
) Find the distance between A(2,3) and the midpoint of the join of B(4,5) and C(6,9). b)i)Find the number of the different selections of 3 letters that can be made from the letters of the word SUCCESSFUL ii)How many of these selections contain at least one
asked by oluphemmy 
chemistry
A 6.50 g piece of substance B was rolled out into a thin sheet measuring 24.0 cm x 18.0 cm. a.) Calculate the volume of the sheet of metal. Show work; use labels. [I also had to look at a graph, here is some information about substance B: y=mx+b m(slope):
asked by Taylor 
maths
what is 0.68 into a fraction
asked by rose 
maths
what is the ratio in the simplest form 120:60
asked by kathleen 
Homophones/ 8th grade English
What is a homophone for racecourse?
asked by Aimme J. Keller 
chemistry
Pure silver metal can be made using the reaction shown above; Cu + 2AgNO3 > Ag + Cu(NO3)2. How many grams of copper metal will be needed to use up 100g of AgNO3? A. 18.70g B. 37.3g C. 74.7g D. 100g
asked by Skyler 
Chemistry
Can visible light cause excitation of an electron in water? explain
asked by Mattie 
maths
how do you draw a line of best fit on a scatter graph?
asked by kathleen 
chemistry
How many monosaccharides most likely make up this molecule: C 10H20 O10
asked by Brittney 
maths
algerbra how do you simplify this equation b*4*a
asked by alex 
ipc
starting from rest(0 m/s) reaching a final velocity of 20 m/s in 3 seconds. what is the acceleration
asked by jiovanni 
maths
how do you simplify this expression 8pp4p
asked by alex 
Math
Find the derivative of the function. f(x) = (x+1)(4x^28x+7)
asked by Anonymous 
Math
Jonathan can type a 20 page document in 40 minutes, Susan can type it in 30 minutes, and Jack can type it in 24 minutes. Working together, how much time will it take them to type the same document?
asked by Molly 
algebra
4x + 8 < 12 Is x = 2 a solution? Is x=0 a solution?
asked by Sam 
Chemistry
How many grams of NiSO4*6H2O are needed to prepare 200*10^2 mL of a 3.5*10^2 M NiSO4 solution?
asked by Mattie 
managerial economics
Discussing employee benefits, using the consumer behavior theory. Question is how do you think flexible benefit packages affect an employee's preference between higher wages and more benfits?
asked by Linda 
geometry
the ratio of the side lengths of a triangle is 4:7:5 and its perimeter is 64 cm. What is the length of the shortest side?
asked by Gene 
Project Management
Search the web for project planning tools and describe at least 2. download a demo to two, and build a project so you can see the different PM charts(Grantt,CPM, Pert, etc.). Comment on the ease in in which you were able to build each of the charts. Which
asked by Natasha 
World History
The expansion of agriculture can be traced across subSaharan Africa through the spread of the _______ language group. A. Swahili B. Ndebele C. Bantu D. Semitic
asked by Dakota 
managerial economic
Where might I find the answer to the following: US cigarette makers face enormous punitve damage penalties after a series of class action lawsuits. In spite of these the cigarette makers were able to avoid bankruptcy. I need to explain why and how using
asked by Linda 
PreAlgebra
Could you check my answers? 1. Alicia is planning a party for her friend. She plans to spend $73.00 for food, $39.50 for gifts, and $15.00 for decorations. She would like each guest to give her $13.00 to pay for these party expenses. What is the minimum
asked by Cheryl 
Calculus
Use the Product Rule to find the derivative of the function. f(x) = (x^3 − 2x)(5x^2 + 2x)
asked by Anonymous 
Algebra: Please Help
1. Multiply: (2)(4)(6) answer: 48 2. Multiply: (6m)(2)(3n) answer: 36mn are these right? please help
asked by Cheryl 
algebra
x + 2.2 < 5, x = 2.3
asked by Sam 
chemistry
When varsol and iodine in potassium iodide aqueous solution is mixed, two phases form. What are the colours in each of the 2 phases when 2ml of I2/KI aqueous solution plus 2 ml of varsol are mixed in a test tube? What are the colours in each of the 2
asked by Andrea 
Algebra: Please Help
Simplify using the Distributive Property: 2(x + 4) + 2(x  4) is the answer: 16
asked by Cheryl 
algebra
The number of Hybrid vehicles sold weekly at a local car lot increased from 11 in 2006 to 19 in 2008. Predict the number of Hybrid vehicles sold weekly in 2011. My answer: rate = 19  11 2008  2006 rate = 8 2 rate = 4 then I subtracted 2011 from 2008 got
asked by andrea 
chemistry
what is the [CH3COO^]/[CH3COOH] ration in an acetate buffer (Ka=1.76 x 10^5) at pH 3.8? show calculations
asked by kabelo 
chemistry
Phosphoric acid is a triprotic acid with pKa's of 2.14, 6.86, and 12.4.The ionic form that predominates at pH 3.2 is?choose the corect answer (a) H3PO4 (b) H2PO4^ (c) HPO4^2 (d) PO4^3
asked by kabelo 
world history
what was the purpose of early banks
asked by quan 
math
how much force is need to split a 20" x 20" green hedge log?
asked by Tim 
chemistry
Teacher gave us homework that I really don't understand. We must write chemical reactions by which we differentiate alcohols, esters, hydrogenic carbon,carboxylic acid and halogen alkanes from each other. We must not write the same reaction for two
asked by Nina 
algebra
Thank you Kate I know the answer I am just having a hard time showing my work
asked by Sam 
chemistry
maintain room at partial pressure of water of 12 torr. the room is 20 degrees celcuis and relitive humidity is reading 52% 1. what is the partial pressur of water in the air in the room? 2. Equibrium vapor pressure of water at 20 degrees celcius is 17.5
asked by Dee 
English
I urgently need to know if everything is correct. Thank you very much for your help! 1)I use the computer three hours a week on average. I usually use it to play computer games, surf the net or do some school research. 2) I sometimes download and save
asked by Mike 
Math
In how many ways can two dice be rolled to yield a sum divisible by 3?
asked by Lilly 
Math
Mr. Pennypacker left half of his estate to his wife; $40,000 to his daughter; half of what remained to his butler; half of what remained for the care of his favorite dog; and the remaining $6,000 to charity. What was the value of Pennypacker's estate?
asked by Josh 
Math
Three(cylindrical) steel drums are put together and a steel band is wrapped tightly around the three drums. If the radius of each drum is 2 feet, what is the length of the steel band? (The view of the drums below is from the top, or end of the drums.) The
asked by Taryn 
Calculus
Does f(x)= 1 + cos(x), have an inverse or not, if so, what is the inverse? please explain.
asked by Carrie 
calculus
If f(x) The integral from 4 to 2x of: the squareroot of (t^2 + 2). What is F' (2). Would it be 0 because f (2) = 0? and the derivative of 0 is 0? Or would it 2 x the squareroot of 12?
asked by Anonymous 
geometry
in a triangle the middle length side is 3 more than the shortest side, and the longest side is double the middle lenght side the perimeter of the triangle is 45cm find the lenghts of the side
asked by Anonymous 
Physics
A 27pound meteorite struck a car in Peekskill, NY, creating a dent about 22 cm deep. If the initial speed of the meteorite was 550 m/s, what was the average force exerted on the meteorite by the car?
asked by Chelsey 
EMS
Please help,I'm writing a report on "BN biscuits" their demand and supply for this product and how it changed over the period of time also what effect does it have on the price? Thank you so much*
asked by KellyAnn Chi 
english
should the film "Speak" be studied in english 9?Why? "Speak"by Laurie Halse Anderson
asked by david 
Chemistry
I need to find out what the total acid concentration is in KoolAid. If 23.3 mL of 0.1043M NaOH neutralize a 60 mL solution of KoolAid (10 mL) and water (50 mL), what is the total concentration in a 10.00 mL aliquot of KoolAid? If you prepared a standard
asked by Julie 
Discrete Math
Find g ° f f(x) = {(1, 2), (2,1), (3,1), (4, 4)} g(x) = {(1, 2), (2,4), (3, 1), (4, 3)}
asked by Francesca 
intermediate algebracan somebody check my answer
Evaluate the expression m^2+93+7 when m=4 4^2+9*(4)+7 does it = 13
asked by Rachal 
History
Why has this portion been taken out of the declaration of independence "He has waged cruel war against human nature itself, violating its most sacred rights of life and liberty in the persons of a distant people who never offended him, captivating &
asked by Rachel 
Algebra
If i take 5000 calls at 78% service level, how many calls would I need to take at 100% to equal an overall service level of 80%
asked by JD 
intermediate algebra
Write the equation of the line: The points are at (8,6) and (0,0). The line passing through these two points has a yintercept of 0 since it passes through the origin. The slope is 60/80=3/4 How would I finish this? Thanks
asked by Rachal 
chemistry
if 25.o g of Al are reacted with an excess of amount of Cl, what is the maximum amount of aluminum chloride that can be produced using the following reaction. 2 Al + 3 Cl2  2 AlCl3
asked by yoda 
Accounting Systems
How does information flow between departments at your organization? Why do some organizations continue to use both manual and computerized systems? What are the problems associated with dependence on human information processing and paper documentation?
asked by Anonymous 
History
Did the writers of the Constitution validate the ideals of the Declaration or betray them?
asked by Rachel 
help
help show graph for 4(x+7) < 2x+31
asked by Anonymous 
help
help show graph for 4(x+7) < 2x+31
asked by Anonymous 
psychology
the effects of sleep deprivation on one’s behavior.
asked by kelly 
math
1.5 L =_____ metric cups
asked by lul 
History
what is the difference of Centralization or decentralization dealing with education?
asked by Rachel 
trig
verify the identity. cos2 x  sin2 x = 1  2sin2 x the 2's next to the sin and cos on the right sides are powers.
asked by alaina 
Physics
a force of 48.0N is required to start a 5.Okg box moving across a horizonatl concrete floor.what is the coefficient of static friction between the box and the floor?If the 48.0N force continues, the box accelerates at 0.70 m/s squared . What is the
asked by Jen 
english
what is the adverb in this sentence? "Soon people became very fearful."
asked by Melinda 
History
A prince whose character is thus marked by every act which may define a tyrant is unfit to be the ruler of a [free] people who mean to be free. Future ages will scarcely believe that the hardiness of one man adventured, within the short compass of twelve
asked by Rachel 
Physics
A 15.0 kg box is released on a 32 degree incline and accelerates down the incline at 0.30m/s sqaured ? find the friction force impeding its motion. What is the coefficient of kinectic friction?
asked by Jen 
math
The length of a rectangle is 4 times its width. Express the perimeter, P, of the rectangle as a function of the width, w.
asked by Sue 
english
What are the images asssociated with the types of characterization in the short story"The sniper''? pls help me.
asked by ted 
all
does anyone know a book that I could get on India's sports?
asked by hunter 
chemistry
What volume of 25% solution is needed to make 500mL of a 10% diluted solution?
asked by Gabby 
english
Is the following sentence direct characterization or indirect characterization? My mother turned to me and said, "I'm embarrassed to be seen in public with you when you look like that." She sneered as she turned as she turned to walk away.
asked by marianna 
ap chemisrty
Kp for the following reaction is 0.16 at 25°C. 2 NOBr(g) 2 NO(g) + Br2(g) The enthalpy change for the reaction at standard conditions is +16.3 kJ. Predict the effect of the following changes on the position of the equilibrium; that is, state which way the
asked by sandra 
algebra
the ycoordinate of a point decreased by 3 times the xcoordinate is greater than or equal to 2
asked by wah 
ipc
According to the law of conservation of mechanical energy, if the only force acting on this pendulum is gravity, the total energy of the system is
asked by Anonymous 
algebra
the ycoordinate of a point decreased by 3 times the xcoordinate is greater than or equal to 2. what is that written as an equation?
asked by kayla 
calculus
use the approximations ln 2=0.693 and ln= 1.609 together with the properties of natural logarithms to calculate an approximation to ln 40
asked by jessica 
Physics
Two thin strips of metal are bolted together at one end and have the same temperature. One is steel, and the other is aluminum. The steel strip is 0.10% longer than the aluminum strip. By how much should the temperature of the strips be increased, so that
asked by Heather 
math
a real motorcycle is 18 times as large as a model motorcycle if the model motorcycle is 5 1/16in. long about how long is the real motorcycle
asked by Anonymous 
Physics
A steel bicycle wheel (without the rubber tire) is rotating freely with an angular speed of 18.00 rad/s. The temperature of the wheel changes from 100.0 to +300.0 degrees Celcius. No net external torque acts on the wheel, and the mass of the spokes is
asked by Heather 
Math
A $215 jacket is on sale for 35% off. Find the sale price.
asked by kylie 
english
direct or indirect characterization? As Simon leaned over me, the veins in his forehead popping out, he screamed profanities. Quickly I realized what a despicable, vile man he truly was.
asked by marianna 
chemistry
i don't understand any of this ! I'm doing the STP & stuff like that . The question is; How Many Molecules are contained in each of the following ? a] 1.00 mol O2 b] 2.50 mol He c] 0.0650 mol NH3 d] 11.5g NO2 pls just explain how to do . i don't need you
asked by Anonymous 
economics
why was the federal reserve established ?
asked by angelica 
english
I need help with this prose speech introduction. I have this story called The Deadly Sister which my speech is over but I can't figure out an introduction for it. Please help
asked by missy 
statistics
An urn contains 4 blue balls, 5 yellow balls and 7 red balls. if a single ball is selected, find the probability thet the ball is Red? Not blue? blue or yellow
asked by Andrea 
english
direct or indirect characterization? I lay screaming on the floor, "My foot! My foot! I think it's broken!" But my sister just reeled back and kicked me, "Get up or you'll wake up Dad!"
asked by Cathy 
cultural diversity
Which one of thefollowing statements does NOT exemplify the concepts of teachable moments? a. the teacher follows the child's cues when exploring a topic. b.The adult acting as the child's social partner in the block center, using semantic extension where
asked by Anonymous 
Lit/chem
What is a acrostic for the element cesium
asked by Tyler 
Math(I Truly Need Help Please)
If P(400)=900 Rewrite this Equation in terms of p^1
asked by Steve 
calculus
Find the area bounded by the xaxis ,the curve y= 1/x+2, x=0,y=0, and x=5
asked by jessica 
algebra
I need to know if I am doing this problem right when sustitution method. y+2x=3 y+2x=4 y+2x=3 1(y+2x=3)y2x=4 now add the two equation y2x=3 y2x4 the answer would be 4y=7 then divided 4=7 answer 1.75 I no that there is more to this answer I am
asked by Donna 
English
What is the transitive verb and direct object in the following sentence? Felicia flew home from Arizona.
asked by Cheryl 
5th grade math
How many possible combinations for an 8digit binary number are there? How did you get this an answer?
asked by Katie 
geometry
A ship leaves port and heads due east at a rate of 32 miles per hour. Ever since the ship left port, it has been pushed south by a strong constant wind. Five hours after leaving port, the ship is 200 miles away. What is the effective push on the ship from
asked by kellie 
algebra
I need to know if I am doing this problem right when sustitution method. y+2x=3 y+2x=4 y+2x=3 1(y+2x=3)y2x=4 now add the two equation y2x=3 y2x4 the answer would be 4y=7 then divided 4=7 answer 1.75 I no that there is more to this answer I am
asked by Donna 
math
6x + 2y = 2 4x + y = 1
asked by jai 
physics
Within the nucleus. What strength of electric field does a proton produce at the distance of another proton, about 4.00×10−15m away? ___N/c
asked by Mattie 
english
I was given an assignment to write a paragraph essay about the short story"'the sniper''. And Ialready started and i want you to check my work if am on the right track.I started by writing my general statement. The short story teels bout modern warfare at
asked by ted 
college psychology
What areas of the brain are affected and how are they affected with sleep deprivation?
asked by kate 
Physics
If the price of electrical energy is $0.10 per kilowatt*hour, what is the cost of using electrical energy to heat the water in a swimming pool (12.0m*9.00m*1.5m) from 15 to 27 degrees Celcius?
asked by Heather 
english
was given an assignment to write a paragraph essay about the short story"'the sniper''. And Ialready started and i want you to check my work if am on the right track.I started by writing my general statement. iNTHE SHORT STORY ''tHE SNIPER'' the author
asked by sewa 
Calculus(Please Help)
Write r arule expressing the area of a circle as a function of its radius. What is the domain of the object?
asked by Sam 
Math(Anyone Please)
If P(400)=900 Rewrite this Equation in terms of p^1
asked by Steve 
Math
I need help with two problems. Just want to make sure that the answers I put are correct. 1) Which of the following is an equation of a vertical line? F. 4x + 5y = 0 G. 4 = 16x H. 3y = 9 I. 4x + 5y = 1 2) Which equation is the equation of a line that
asked by Melanie 
English
I forgot to include the following sentences for you to check. By the way, how do you call the sheet where the teachers register each student's school marks. This document is kept by the students themselves and families are expected to sign it once a month.
asked by Mike 
cultural diversity
prejudicial behaviors by young children particularly in the 3 to 5 year age group are not rooted in acognitive inability to fit new information and experiences into an existing belief system b.observation and emulation of prosocial attitudes and behaviors
asked by Anonymous 
Physics
A driver of a car going 95.0 km/h suddenly sees the lights of a barrier 39.0 m ahead. It takes the driver 0.95 s before he applies the brakes, and the average acceleration during braking is 10.0 m/s2. What is the maximum speed at which the car could be
asked by johnny 
Calculus
Solve the differential equation. t(dy/dt) + 2y= t^3 t>0, y(1)=0 I think I solved it properly, I'm just trying to check my final solution.
asked by Rachel 
physics
the instant before a batter hits a 0.14 kilogram baseball, the velocity of the ball is 45 m/s west. the instant after the batter hits the ball, the ball's velocity is 35 m/s. The bat and ball are in contact for 1.0*10^2. 1. determine the magnitude and
asked by lisbeth 
English
I need help writing a 14 line 10 syllable love poem. Can you help?
asked by Anonymous 
Geometry
the perimeter of an equilateral triangle is 32 centimeters. find the length of an altitude of the triangleto the nearest tenth of a centimeter.
asked by Franka 
Biology
I need help in my biology lab... [Catalase Lab] 1.What effect did heat have on the activity of the enzyme? What effect did cold have? Room temperature? 2. What effect did lowering pH (making it acidic) have on the activity of the enzyme? What affect did
asked by Jae 
comp
Write two paragraphs about how interest rates affect people’s purchasing decisions. Underline the topic sentence in each paragraph.
asked by Anonymous 
chemistry
If you have 64.3 g NH3, how many grams of F2 are required for complete reaction?
asked by zdood 
Calculus(Please Help)
Write a rule expressing the area of a circle as a function of its radius. What is the domain of the object?
asked by Sam 
English
Thank you! I just a few more doubts on four statements.I hope you can check them. 1) I havent' seen him for two days. If I want to turn it into a whquestion: How many days haven't you seen him for? That's wrong. How long did you last see him? How long is
asked by Mike 
Chemistry
What is the surface tension of water at 23 degrees Celsius?
asked by Jane 
management, in staffing
the activity in staffing...... conduct an interview at least 3 types of companies,the procedures employed in employing human resources
asked by jessie 
Physics/Chemistry
Two thin strips of metal are bolted together at one end and have the same temperature. One is steel, and the other is aluminum. The steel strip is 0.10% longer than the aluminum strip. By how much should the temperature of the strips be increased, so that
asked by Heather 
Physics/Chemistry
A steel bicycle wheel (without the rubber tire) is rotating freely with an angular speed of 18.00 rad/s. The temperature of the wheel changes from 100.0 to +300.0 degrees Celcius. No net external torque acts on the wheel, and the mass of the spokes is
asked by Heather 
Physics
A driver of a car going 95.0 km/h suddenly sees the lights of a barrier 39.0 m ahead. It takes the driver 0.95 s before he applies the brakes, and the average acceleration during braking is 10.0 m/s2. What is the maximum speed at which the car could be
asked by johnny 
Physics/Chemistry
If the price of electrical energy is $0.10 per kilowatt*hour, what is the cost of using electrical energy to heat the water in a swimming pool (12.0m*9.00m*1.5m) from 15 to 27 degrees Celcius?
asked by Heather 
Caluclus( I Sincerely Need Help)
Write a rule expressing the area of a circle as a function of its radius. What is the domain of the object?
asked by Sam 
Math
Evaluate the following: 6105 I get: 45 45 Is the answer 1
asked by Rachal 
Spanish 1
Estoy ______________. Me duele la cabeza. Hoy no puedo jugar al tenis ni patinar.
asked by Jasmine Rock 
History
Could you please give me info on barack obama,granville woods and jada pinkettsmith?
asked by Katherina 
math
what is the slope intercept form of (6,4) and (6,6)
asked by gloria 
Math
Write a rule expressing the area of a circle as a function of its radius. What is the domain of the object?
asked by Sam 
math
The house numbers on carr memorial ave follow a pattern. the first four houses on the left side of the street are numbered 8,14,20 and 26.how many more houses are on the left side of the street with numbers less than 50? Thanks!
asked by mick 
math
write slope equation for the line that passes though (10,4) and has a slope of 3/10
asked by gloria 
english
was given an assignment to write a paragraph essay about the short story"'the sniper''. And Ialready started and i want you to check my work if am on the right track.I started by writing my general statement. iNTHE SHORT STORY ''tHE SNIPER'' the author
asked by sewa 
math
the number of dogs taken in daily at a local animal shelter increased from 4 in october 2009 to 10 in january 2010. predict the number of dogs taken in daily in may 2010.
asked by gloria 
Medical Information Management
According to a December 4 hospital census of 100, what are the total inpatient service days for December 5? Admissions 10 Discharges 2 A & D 1 A. 90 C. 100 B. 109 D. 110 Total inpatient service days are the total number of services received by all
asked by Nadya Crouch 
Survey of the Sciences
a typical cell in the body makes about 10 million molecules of atp per second. show that the cell breaks down about 263,258 molecules of glucose per second.
asked by Stephanie 
Physics
You are the design engineer in charge of the crashworthiness of new automobile models. Cars are tested by smashing them into fixed, massive barriers at 56 km/h (35mph ). A new model of mass 1900 kg takes 0.15 s from the time of impact until it is brought
asked by kolin 
math
simplify 24÷1/2+5/8*6/7
asked by gloria 
math
write each ratio in simplest form... 224/480 42:68 500 to 125
asked by linda 
Psychology
Issue Analysis After reading the selected critical issue, use the following questions to analyze the issue. The work count for individual questions may vary but your responses should total 1,200 to 1,400words for the entire worksheet. 1. What are some of
asked by Sue B 
math
I AM A NUMBER BETWEEN 20 AND 30. WHEN YOU PUT ME INTO 6 EQUAL GROUPS, THERE IS AN EVEN NUMBE IUN EACH GROUP AND 1 IS LEFT OVER. WHAT NUMBER AM I?
asked by Anonymous 
math
what is the difference between odds and probability?
asked by Julie 
physics
A 0.55{kg} croquet ball is initially at rest on the grass. When the ball is struck by a mallet, the average force exerted on it is 220 N. If the ball's speed after being struck is 3.2 m/s, how long was the mallet in contact with the ball?
asked by susan 
Math
The Danville Epress travels 280mi at a certain speed.If the speed had been increased by 5mph the trip could have been made in 1 hour less time.Find the actual speed.
asked by Nicole 
algebra
Solve using qaudractic formula.Then use a calculator to approximate to three decimal places, the onlution as rational numbers. X^24x+1=0
asked by Lisa 
math
I need help on finding sales tax and discount
asked by avery 
math
Solve using the easiest method x^23x10=0
asked by Jefferey 
math check me
Solve the inequality for x. 16 =3 Is that right?
asked by Rachal 
Science/chemistry
What does a positive test for an ion mean?
asked by Yassna 
math
a train traveled for 5 hours at a rate of 52 miles per hour..How far did the train travel?
asked by linda 
Calculus (I Truly Need Help) Continued
a(r)=ðr² This is a function. The right hand side is the rule. r is the independent variable. The domain of r (i.e. the values it can assume) is ℝ+, meaning all positive real values, since we do not have a negative radius. Does This Have an Inverse?
asked by Sam 
PHYSICS
A block is hung by a string from the inside roof of a van. When the van goes straight ahead at a speed of 27.8 m/s, the block hangs vertically down. But when the van maintains this same speed around an unbanked curve (radius = 196 m), the block swings
asked by Gina 
Physics circular motion
The earth rotates once per day about an axis passing through the north and south poles, an axis that is perpendicular to the plane of the equator. Assuming the earth is a sphere with a radius of 6.38 x 106 m, determine the centripetal acceleration of a
asked by Gina 
physics
A 850kg race car can drive around an unbanked turn at a maximum speed of 61 m/s without slipping. The turn has a radius of 160 m. Air flowing over the car's wing exerts a downwardpointing force (called the downforce) of 11000 N on the car. (a) What is
asked by Gina 
math
A model train is built using the scale 1:60. The actual length of the dining car is 2,100cm. Find the length of the dining car of the model train.
asked by linda 
physics circular arc
A motorcycle is traveling up one side of a hill and down the other side. The crest of the hill is a circular arc with a radius of 68.0 m. Determine the maximum speed that the cycle can have while moving over the crest without losing contact with the road.
asked by Gina 
PHYSICS CIRCULAR MOTION
In an automatic clothes drier, a hollow cylinder moves the clothes on a vertical circle (radius r = 0.364 m), as the drawing shows. The appliance is designed so that the clothes tumble gently as they dry. This means that when a piece of clothing reaches an
asked by Gina 
physics
how much work is required to lift a 10 newton weight from 4.0 meters to 40.0 meters above the surface of earth
asked by abu 
math check me
f(x)=3 411+x 411+3 48 Do I divide or multiply?
asked by Rachal 
Spanish
**Just to let you know, I followed the steps you told me to in my last post.** 40. Mama va a llamar a la _______ porque mi hermana menor todavía tiene fiebre. a. médico b. médica c. hospital d. profesor B? 41. "¿Por qué no duermes?" "Porque _______."
asked by mysterychicken 
geometry
solve for x. 8x/10x2 = 5x+3/7x i don't know how to get the x squares out of the equation!
asked by dccs 
math
which is matches the problem? ,= 8.5_____10^3
asked by mark 
intermediate algebracheck my answer
Find the equation of the line. find equation of form y=ax+b, where a is slope, and b is intercept, which passes through points (x1, y1) = (8, 6) and (x2, y2) = (0, 0) slope 0(6)/0(8)= 3/4 how would I write it? y=3/4x or y=3/4x+0 ?
asked by Jena 
please help with physics!!
A 0.55{kg} croquet ball is initially at rest on the grass. When the ball is struck by a mallet, the average force exerted on it is 220 N. If the ball's speed after being struck is 3.2 m/s, how long was the mallet in contact with the ball?
asked by susan 
science
An oganic compound contains carbon, hydrogen, oxygen, and nitrogen. Could it b a fat or nucleic acid?
asked by Kallie 
Math
g(x)=5+sqrt(x1) g(4)=5+sqrt(41) is the answer 5+sqrt3
asked by Jena 
Crime
I don't get how the death penalty discourage murderers. It's a little confusing to me.
asked by Alex L. 
Finance
Can someone help me? 1. Categorize the types of consumer credit and state the advantages and disadvantages of each. 2. Describe your rights under the consumer credit laws and the differences among the laws.
asked by Dorothy 
Math
h(x)=(22x^2)/2 h(2) I get (22(2)^2)/2 (22(4)/2 6/2=3 h(2)=3
asked by Jena 
algebra
9 + 36 divided by 6 times 2 (6)  5 +2 = ? I'm having trouble with the order of operations.
asked by kristin 
math
lynn is 6 years older than Linda.The sum of their ages is 36. What is Linda's age.
asked by brandon 
physics??
Two newly discovered planets follow circular orbits around a star in a distant part of the galaxy. The orbital speeds of the planets are determined to be 41.3 km/s and 52.7 km/s. The slower planet's orbital period is 7.74 years. (a) What is the mass of the
asked by Gina 
Physics
A 200N sign hangs and makes a 15.5 angle with the horizontal. What is the Tension in each rope?
asked by Kyle 
Physics
A 55 kg skier is going down a slope with an angle of 47 degrees. Mk= 0.15. How fast is he going after 6 seconds?
asked by Kyle 
math
Is 8.5 greater then , less then or equal to 1000? 8.5__1000 (,=) PLEASE HELP ME
asked by joe 
Math
Is 2/5 greater than 11/30?
asked by Plz Help 
Grade 10 Science
Why is the name for the ionic bond FeS Iron (II) Sulphide when the charges on iron and sulphur are +2 and 2? Shouldn't the name be Iron (I) Sulphide? Same goes for Copper (II) Sulphide. Please explain!
asked by Alisha 
math
If the rule is out=25+in. And the in is 25 what is the out?
asked by francine 
Math
Write the equation of the line satisfying the given condition. Perpendicular to x = 4 and passing through the point (7, 2)
asked by Trisha 
AP CALC
A temperature of a 10m long metal bar is 15C at one end and 30C on the other end. Assuming that the temperature increases linearly from the cooler end to the hotter end, what is the average temperature of the bar? Also, explain why at least one place on
asked by jessica 
Math
If the code generator polynomial is g(x) = 1 + x^2 for a (5,3) code, find the linear block code generator matrix G.
asked by Josh 
math
Find the linear block code generator matrix G, if the code generator polynomial is g(x) = 1 + x^3 for a (7,4) code.
asked by Josh 
physics
What is the resistance of a 2.5 m length of copper wire 1.3 mm in diameter?
asked by michelle 
English
I made up a game for them to play and made a mental note to keep extra activities on hand for when my class finishes earlier than expected. Is this correct? My supervising teacher informed me that I speak well in class. My supervising teacher informed me
asked by Pete 
Physics
In which case is it more likely that we may neglect nonohmic effects due to the heating of the circuit by the current: in a series or parallel circuit? Why?
asked by Ericaplease help! 
physics
What is the maximum power consumption of a 8.7 V portable CD player that draws a maximum of 354 mA of current?
asked by michelle 
Math
Find the circle area with the radius being 10 in would the area A= 314 in?
asked by Jennelle 
statistics
A charity believes that when it puts out an appeal for charitable donations the donations it receives will normally distributed with a mean of $50 and standard deviation of $6, and it is assumed that donations will be independent of each other. (i) Find
asked by Probability 
grammar
How do i identify a gerund phrase and how do i distinguish a phrase from a simple gerund?
asked by Anonymous 
math
Part A of your history test has 15 multiple choice questions. Each question has four choices. Part B has 10 true/false questions. How many ways are there to answer the 15 multiple choice questions? How many ways are there to answer the 10 true or
asked by John 
Ap calc
A traffic engineer monitors the rate at which cars enter a freeway onramp during rush hour. From her data, she estimates that between 4:30pm and 5:30pm the rate R(t) at which cars enter is given by: R(t)= 100(10.00012t^2) car per min., where t is time in
asked by justin 
alg
9x +5y=34 8x2y=2 solve by elimination
asked by kim 
English
She also told me that I need to write as well as I speak, and I agree with her. She also told me that I needed to write as well as I spoke, and I agree with her. Which on is correct? This is for a paper and it is supposed to be in past tense.
asked by Pete 
alg
9x +5y=34 8x2y=2 solve by elimination
asked by kim 
Vocabulary
What is the best comparison of incentive is to goad as a. pontential is to mortify b. quibble is to dishearten c. flaw is to entice d. hazard is to dissuade
asked by Rachel 
spanish
how do you distinguish the difference between preterite and imperfect use in a sentence?
asked by Confused in spanish2? 
math check me
Sung rented a truck for one day. There was a base fee of $17.99, and there was an additional charge of .90 cents for each mile driven. Sung had to pay $253.79 when he returned the truck. For how many miles did he drive the truck? $253.79=$17.99+.90 $17.99
asked by Jena 
8th grade science
why does the high specific heat of water make it essential to life?
asked by Kallie 
Statistics
Heres the following question: Evaluate: (14 3) How would i do this problem? Note: The 14 is on top of the 3.
asked by James 
Math Correct?
Any of the 2 angles of a square are supplementary is that true?
asked by Mike 
math
Reward, one week only, receive a 10 dollar gift card for every 50 dollars spent. 1) If your reward is $10, what do you know about the amount of your purchase? 2) Give three possible amounts if your reward is $20. 3) What should you do if your total
asked by anonymus 
algebra
Maria stood on two scales at the same time. The scale on the right read 43 pounds, and the scale on the left read 60 pounds. If she balances her weight equally on both scales, how much will each scale read?
asked by yolandda 
algebra
how do i multiply the rational expression 8 times x+7 3 6x2
asked by jfdkla; 
Grade 11 English 3
What's the difference between lay and lie? and if you had..Tonya has___out in the sun since noon. which one do you use in past tense?
asked by English2 
Math
Are the adjacent sides of a parallelogram perpendicular?
asked by Jennelle 
Chemistry
Calculate the concentration of OH¯ ions in a 1.4*10^3 M HCl solution
asked by Sara 
alg readiness
"Express the mixed# as the addition of a whole # and fraction.Then find the value as a single fraction." *i don't understand what it is asking me?!
asked by Kallie 
algebra 2
solve this equation by factoring a^28a=15 the a^2 is a' squared
asked by mela 
Math
Here is a question that I am really stuck on and I need some help!!: In the Unites States, about one person in eight lives in California. To the nearest percent, what percent of people in the Unites States live in California?
asked by Summer 
spelling
computer,impolite,control,include,immigrant,compete,consumer,involve,immediate,comment,infection,concert,import,conversation,community,complete,immense,contest,inactive,complicate,imply,consequence,comprehensive,inadequate,comphensive in abc order
asked by alex 
math
use the digits 1,3,4,5,7, and 9 to write two money amounts that you can subtract by trading 1 dollar for 10 dimes
asked by borges 
Statistics
On average 3 % of a certain type of TV tube burn out before their guarantee has expired. If a merchant sells 120 such tubes, find the probability that he will be forced to replace at least 3 of them (Use the Poisson approximation to the Binomial
asked by Rachel 
6th grade math
the base of the great pyramid is a square with an area of 571536 ft squared. If one of the sides of a similar figure is 5 cm what is the area of the figure? How can I solve this?
asked by Colleen 
math check me
(3)/(5)y=15 Does y=25
asked by Jena 
Math
In parallelogram WXYZ, m
asked by Ryan 
chemistry
how many grams of oxygen are in 560g of ribose?
asked by Noelle 
Chemistry
how do you and write a combination of reaction equations? Sodium metal reacts with chlorine gas? Na(s) + Cl(subscript)2(g)______?
asked by Mrs.Scott 
advance accounting
acquisiton method
asked by Anonymous 
geograohy
state if each sentences is climate or weather the is so hot but last night was cool
asked by natasha 
Francais
comment s'appelle la ville ou le carnaval a lieu chaque hiver Il est quebec city?
asked by Frenchy 
Chemistry
2Al + 3CuSO4 > + 3Cu + Al2(SO4)3 * copper(II) sulphate is a hydrate 1.2g of CuSo4 50mL of water 1.0 g of aluminum foil What is the limiting reactant?
asked by Sylvia 
geometry
how do you find the lenght of the midsegment of a trapezoid when one base equals 21 and the other 17 ?
asked by lala 
advance accounting
prepare a balance sheet for petrello company immediately after the merger
asked by Anonymous 
Francais
qui est bonhomme carnaval Je ne sais pas aidezmoi s'il vous plaît
asked by Frenchy 
Science
How do i draw a genotype?
asked by Ian 
Math
Express the volume of a sphere as a function of its radius. What is the domain of this function? Does this function have an inverse? If so what is it?
asked by steve plz help reply 
Are any tutors helping with Physics tonight? Help!
A cart of mass M1 = 6.00 kg and initial speed = 4.00 m/s collides head on with a second cart of mass M2 = 4.00 kg at rest. Assuming that the collision is elastic, find the speed of M2 after the collision.
asked by Megan 
physics for scientists and engeneers I
During a workout, the football players ran up the stadium stairs in 59 s. The stairs are 140 m long and inclined at an angle of 40°. If a typical player has a mass of 103 kg, estimate the average power output on the way up. Ignore friction and air
asked by Johnathon 
Math
Which on eof the following fractions is greater than 3/5? 7/10, 5/12, 1/2 or 5/16
asked by Hailey 
Math
Can anybody help me start this? Thanks
asked by Rachal 
chemistry
what is the partial pressure of water in the air if the roomis 20 degrees Celsius the relative humidity is 52% and the patient needs to be maintained at a partial pressure of water of 12 torr?
asked by Danielle 
Algerbra 2
I am doing a worksheet for my alg. 2 class and in the worksheet it says: 'Simplify the expression. Assusme all variable are positive.' the problem is perentheses, square root of six times the power of 3 square root of six perentheses power of six!
asked by Amber 
math
The Danville Epress travels 280mi at a certain speed.If the speed had been increased by 5mph the trip could have been made in 1 hour less time.Find the actual speed.
asked by Nicole 
algebra
Solve using qaudractic formula.Then use a calculator to approximate to three decimal places, the solution as rational numbers. X^24x+1=0
asked by Lisa 
Algebra
5/(6 x)2/3 = 42/x
asked by Sue 
math
What is one half of the volume of a rectanglar prism if the volume is 20.625
asked by kz 
Math
Find two numbers with a sum of 8 and a difference of 4. Let x be the greater number and y be the lesser number?
asked by Help 
Are their any Physics tutors on here tonight?!
A cart of mass M1 = 6.00 kg and initial speed = 4.00 m/s collides head on with a second cart of mass M2 = 4.00 kg at rest. Assuming that the collision is elastic, find the speed of M2 after the collision.
asked by Megan 
Math
Express the volume of a sphere as a function of its radius. What is the domain of this function?
asked by steve I Truly Need Help 
Chemistry
How much of NaOH (in grams) is needed to prepare 546 mL of solution with a pH of 10.00 ?
asked by Sara 
Francais
Comment s'appelle le grand batiment en haut de la falaise? Il est la falaise du Natrel?
asked by Frenchy 
Physics
Prove, geometrically, that a ray of light entering a plate of glass always emerges in a direction parallel to the incident ray.
asked by Help! 
Physics
How could the index of refraction of salt water be used to find the concentration of a salt solution?
asked by Amy 
physics
A cylinder that has a 40.0 cm radius and is 50.0 cm deep is filled with air at 20.0°C and 1.00 atm shown in figure (a). A 25.0 kg piston is now lowered into the cylinder, compressing the air trapped inside shown in figure (b). Finally, a 71.0 kg man
asked by loli 
Chemistry
a solution of 4.65 of a carbohydrate in 100.0g of water has a density of 1.016g/mL and an osmotic pressure of 3.18 atm at 20.0 degrees celcius. calculate the molar mass of the carbohydrate.
asked by Amy 
math
brett wants to use 40 feet of twine to mark off a rectangular area in his yard for a garden the length ans width for garden with the greatest area?
asked by julian 
Physics
It is easy to see a drop of water on the print of a glossy magazine but it is difficult to see it on the white area of the same page. Explain why.
asked by Sylvia 
Physics
A particle with m = 3.3E27 kg is moving with a velocity of 6.0E7m/s. It then collides with a stationary particle of mass 2m, the lighter particle then moves at a right angle to the original direction with a velocity of 2.0E7m/s. What is the veloctiy of
asked by Amnit 
Physics
Hot air rises over a heated stove element. The wall behind the stove appears to shimmer. Explain.
asked by Susan 
Physics
What observation shows that diamond has a slightly different index of refraction for each of the various colours of the spectrum?
asked by Susan 
geometry
The road rose at an 8 degree angle, what is the grade?
asked by Tom 
physics for scientists and engeneers I
A 0.145kg baseball pitched horizontally at 27 m/s strikes a bat and is popped straight up to a height of 43 m. If the contact time between the bat and the ball is 2.35 ms, calculate the average force [exerted by the bat on the ball] during contact. [Let
asked by Johnathon 
algebra
4/3x+3=
asked by michelle 
Math
Solve for x. log3(x+7)=2log3(x1) Write the exact answer using base10 logarithms.
asked by Rachal 
mathsstatistic
A manufacturer wants to assess the proportion of defective items in a large batch produce by a particular machine. He tests a random sample of 300 items and finds that 45 items are defective. If 200 such tests are performed and a 95% confidence interval
asked by shasha 
physics
a car accelerates from 5 m/s to 21 m/s at a rate of 3m/s^2 how far does it travel while accelerating
asked by anonymous 
Science
When are the accelerations of two interacting bodies, A and B, equal? And what does the escape velocity of a planet tell us? These two questions look like the easiest of my homework, but I can't find the answers anywhere in my notes! Thanks.
asked by Mike 
human relations
one taxi cab company charges 75 cents for the first quarter mile and 15 cents for each additional quarter mile. the competing taxi company charges 1.00 for the first quarter mile and 10 cents for each additional mile. what distance would produce the same
asked by eva 
Math
I have a ? that I am kind of stuck on. It says give an infinite list of natural numbers that are not prime. I know half of the numbers are prime and half are not, but I'm not sure how to answer it. Thanks.
asked by Jon 
physics
A bicyclist starts a timed race at 6 mph In order to win, he must average 21 mph Assuming constant acceleration from the start, how fast must he be traveling at the end of the race?
asked by anonymous 
physics
if you raise a ball 1m and it has a mass of 50g, how much work was done?
asked by mackenzee 
Calc
What is the antiderivative of dy/dx = x/(x^2 + 1)?
asked by Erica