Questions Asked on
September 28, 2010

gateway
What did the ape thimk about the grape's house
asked by micah 
computer programming
Robot Game Consider a robot moving in an environment consisting of 5x5 cells. The robot can either be rotated or moved forward for a certain distance. The environment in which the robot moves is bounded by walls  so if you try to move the robot out of the
asked by Logan 
Sociology
the variable that sociologists exphasize the most as being the determining motivation for our thinking and behavior? A. Random chance events B. Natural born in instincts C. Inherited genetic structure D. ones society and social location My answer is D is
asked by tricica 
Sociology
This is a subject that I knows nothing about so please help. The first goal of each scientific discipline is to: A. Explain why something happens B. Make generalizations why things happen C. Look for pattens when things happen D. Predict what will happen
asked by tricica 
Sociology
Please let me know if my answer is right. which of the following sociological perpectives views society as a system of highly interrelated structures or parts that operated together harmoniously? A conflict B. Symbolic interactionism C Societalism D.
asked by tricica 
science, density
The density of sea water is slightly higher than that of fresh water. The higher density is due to the fact that sea water contains salts such as sodium chloride and magnesium chloride. Suppose you have a container that holds 5.00 kg of fresh water, which
asked by lisa 
chemistry
What is the net ionic equation for calcuim ion and ammonium oxalate?
asked by nichole 
calculas
Find the equations for the tangent line and normal line to the curve for f(x)=(x^4)+(2e^x) at the point (0,2)?
asked by john 
Earthquakes
What determines the magnitude of an earthquake? I know that two plates slide against one another and that creates friction and the potential energy turns into kinetic energy in the form of an earthquake. But how is the magnitude determined? Im thinking the
asked by Lena 
probability
The letters of the word Mississippi are placed in a hat. What is the probability that the first two letters drawn are both i if the first letter drawn is not replaced?
asked by taylor 
probability
A box of 6 coins (penny, nickel, dime or quarter) worth $0.67 is shaken. What is the probability that a nickel is drawn first and then a quarter? Assume no replacement and that all coins are equally likely.
asked by taylor 
chemistry
In comparison ot milk sugar, what is the approximate molecular weight range of proteins?
asked by jermaine 
social study
Hypothesize as to why so much conquest took place in Mesopotamia. Explain your hypothezie.
asked by van 
math
2(5/6a3/8)
asked by b 
english
which sentence sounds correct. I think its b but im not sure if there is "the" infront of state a)The president states a Union address in a speech every year. b)The State of the Union address is a speech that the president gives every year.
asked by nighter 
algebra
how can i solve this equation: (ab)(2ab)(a+2b) can anyone be so kind to help me with it? p.s. I'm barely learning how to multiply polynomials.
asked by julissa 
algebra
how can i solve this equation: (ab)(2ab)(a+2b) can anyone be so kind to help me with it? p.s. I'm barely learning how to multiply polynomials.
asked by julissa 
chemistry
the temperature of 100g of water initaially at 25 degrees celsius in a calorimeter increases to 30 degrees celsius after adding a 20g piece of hot aluminum. what was the temperature of the aluminum before adding it to water?
asked by Anonymous 
physics
A model is 14.5 kg and it is supported by four identical springs. Each spring can oscillate with a frequency of 3Hz. What is the value of the spring constant?
asked by tla 
8th grade
Sam Squeeze has 10 quarts of a drink that is 60% organge juice. how much pure orange juice must he add to get a drink that is 75% orange juice?
asked by Anonymous 
8th grade
Sam Squeeze has 10 quarts of a drink that is 60% organge juice. how much pure orange juice must he add to get a drink that is 75% orange juice?
asked by Anonymous 
physics
Two masses of 2kg,4kg and 6kg are placed at 4 corner of a square of side 1 metre find gravitational field intensity gravitational at centre.
asked by Anonymous 
science chemistry
please could someone help me answer this question: explain simply why aluminium is cheaper than gold with refernece to the extraction method and abundance. thankyou ive looked myself but can`t find anything.
asked by Anwar 
Math
You are a share analyst for an investment firm and are investigating the return on shares in the Eastern Mining Corporation over the last four years. The return on Eastern Mining Corporation shares over the last four years is presented. Calculate the
asked by Gina 
Math
The weights of individual nails produced by the 'Hammer 'n Nail' hardware company follow a normal distribution with the average nail weight being 5.1 grams and the standard deviation in nail weight being 1.6 grams. When a nail is produced it is discarded
asked by Louise 
Medical Terminology
Hello. Please,if someone can help me answer all these questions. I have few answers and i would like to compare it to my own answers thanks. 1. Dr. Hannah places a stethoscope to a sevenyearold child’s chest. The lungs reveal basilar rales. Which
asked by mielchie 
business
What is the most significant Manufacturing Industries in Canada?
asked by Sabrina 
geometry
. Which of the following circles would show the locus of points in a plane 1 unit from the intersection of the lines x + y = 2 and x â€“ y = 4? a. center (4, 2), radius = 1 b. center (3, â€“1), radius = 1 c. center (3, 1), radius = 1 d. center
asked by faty 
Chemistry
Please reply as soon as possible, I really need the answer urgently. How many grams of NaOH are required to completely neutralize 100ml of 1M solution of H2SO4?
asked by Lost In Studies 
Physics (Projectile Motion)
Please reply to this one urgently: Horizontally moving plane at 600kmph speed, at a height of 1960km, drops a package at point A and it drop at point B. Find the distance between A and B.
asked by Lost In Studies 
Physics
A person doing a chinup weighs 615.4 N, disregarding the weight of the arms. During the ﬁrst 21.0 cm of the lift, each arm exerts an upward force of 435 N on the torso. The acceleration of gravity if 9.81 m/s 2 . If the upward movement starts from rest,
asked by Jim Kirk 
Physics
A 9 kg object is given a displacement ∆~s = (4 m) ý + (3 m)ˆ J + (−4 m) k along a straight line. During the displace ment, a constant force of ~ F = (1 N) ý + (−5 N) J + (7 N) k acts on the object. Find the work done by ~ F for this displace
asked by Jim Kirk 
Math
Andy and William work together to build a toy house. It will take William 6 hours and Andy 4 hours, or William 10 hours and Andy 2 hours to finiah their work. If William works alone how many hours will it take to finish his work?
asked by Patti 
US History
I reallyyy need help with this one question please 2. What evidence in the Declaration of Independence is there of religious faith? How does this religious faith influence the ideals expressed in the Declaration? I see some mentioning of religious faith
asked by mysterychicken 
business
who started the Hudson's bay company? what is the history of HBC? thANK YOU SO MUCH!!
asked by Sabrina 
math
make an array for the number sentence?4*8=32
asked by keith smith 
DR RUSS
thankyou for your help !!
asked by Anwar 
math word problem
Andy and William work together to build a toy house. It will take William 5 hours and Andy 4 hours, or William 10 hours and Andy 2 hours to finish their work. If William works alone, how many hours will it take to finish his work? 5 10 15 20 Explain how
asked by M.A. 
Physics
A car brakes from 18 m/s to 6.0m/s in 3.0 seconds. How far did it travel in this time? I got 36 m...
asked by katelyn 
reading
In F. Scott Fitzgerald's story "Bernice Bobs Her Hair," we are very likely to A. see Marjorie's personality as shallow. B. think of both Marjorie and Bernice as painfully naïve. C. realize that Marjorie is sensitive to Bernice's feelings. D. decide that
asked by kearra 
physics
A ball falls from rest on another planet. It falls 30 m, reaching a velocity of 15m/s. Determine its acceleration.
asked by katelyn 
12th grade
At 1p.m. I will be feeding the dogs. At the house.
asked by Renee 
Algebra
I have 18 bills that equal $100.00 (5$10 bills, 9$5 bills, 3$1 bills, 1$2 bill). How can this be expressed in an algebric equation?
asked by Sue 
physics
what is the shortest possible time in which a bacterium could travel a distanceof 8.4 cm across a petri dish at a constant speed of 3.5 mm/s
asked by guled omar 
english
I need to find the error in these sentences. 1. They is both happy. It has a subject and a verb. I'm lost. 2. This morning I watch TV before I drove here. .. need to know are they subjectverb agreement, run on, verb form and tense or fragment. Please
asked by Renee 
childcare
will you please check homework? 1. In preparing a budget for a day care center, you must plan for taxes. As an employer, you must pay part of each employee’s _______ tax. A. Social Security C. state income B. federal income D. local answer(b) 2. You’re
asked by Tina 
2nd grade
Please tell me which sentence is correct. Adrian chose him and I for the job. *Adrian chose him and me for the job.
asked by Anne 
Algebra
Add and subtract the rational expressions as indicated. Be sure to express your answer in simplest form ((9)/(7x)) + ((1)/(2y)) 1 I got an aswer of (16y)/(7x+2y+1)) but when I submit it shows me as wrong. Can anyone help, thanks
asked by Alex 
English
How do you fix this pronoun agreement. The first theme that the author demonstrates is to not let people with a disability feel abnormal, but for them to use the abilities that they have to help them build their selfconfidence.
asked by Madison 
biochemistry
Calculate the pH change of 10mL of HCl added to 1M phosphate buffer in 1L with initil pH of 7.2?
asked by Lina 
Accounting
What is the relationship between the amounts on the adjusted trial balance for an account and its ledger? Why is it necessary to prepare the formal financial statements if all the data are on the adjusted trial balance? I am having problems finding the
asked by kim 
chemistry
1.why is potassium permanganate used in the process of distillation of water?
asked by surya 
Stats
The director of admissions at Kinzua University in Nova Scotia estimated the distribution of student admissions for the fall semester on the basis of past experience. Admissions Probability 1,080 0.5 1,340 0.2 1,660 0.3
asked by Nicole 
Stats
Exercise 68 The Downtown Parking Authority of Tampa, Florida, reported the following information for a sample of 235 customers on the number of hours cars are parked and the amount they are charged. Number of Hours Frequency Amount Charged 1 18 $3 2 33 7
asked by Nicole 
wwhs
An oxygen gas tank has a volume of 8 L and a pressure of 1500 N/m2. If the temperature decreases from 2500 K to 2000 K and its volume increases to 24 L, what is its final pressure?
asked by luis 
math
We deposited 7,500 dollars into a savings account which pays 3.6 percent annual interest, compound quarterly.How long after the money is deposited will the account balance be 9,750 dollars?What initial deposit will generate a balance of 12000 dollars in
asked by nesha 
math
Can any one help me with this problem am having trouble with coming up with the answer. 7(1)/3(2)9/(3)
asked by davis 
business
Please please I need help with this question. thanks For 2010, Fielder Corporation reported net income of $30,000; net sales $400,000; and average share outstanding 6,000. There were no preferred stock dividends. What was the 2010 earnings per share?
asked by mark 
business
Which measure would a longterm creditor be least interested in reviewing? a.free cash flow b.debt to total assets ratio c.current ratio d.solvency measure
asked by mark 
health
A specialist who diagnoes, treats, and prevents disorders and diseases of children is a/an?
asked by Anonymous 
math
I need to see if i worked this problem right. 8  7 =15 8+7=15 do i add this together aredo i subtract and get 1
asked by davis 
business
Which pair of accounts follows the rules of debit and credit, in relation to increases and decreases, in the same manner? A. Accounts Payable and Rent Expense B.Repair Expense and Notes Payable C.Prepaid Insurance and Advertising Expense D.Service Revenues
asked by mark 
english
I wrote five sentences but they all have to have different verb tense. Can u let me know if right are let me know what I need work on. 1.This class made me look at my financial future. Look is verb and its in present tense, 2. Financial planning is a class
asked by Renee 
Critical Reading
Can someone please help me with this question? Write one analogy about "taking an online course" that would be a valid comparison and help someone understand your experience. Write another analogy that would be an invalid comparison (the comparison would
asked by Jessie 
math
the width of a rectangle is 6 cm less than the length. the perimeter is 72cm. write and solve an equation to find the width and length of a rectangel.
asked by joe 
algebra
use the intercepts to graph the equation x+2y=4
asked by Vanessa 
Chemistry
Could someone please check my answers/work for the following questions. EQUATION: 3H2+N2 >2NH3 1) How many grams of NH3 can be produced from 3.98 mol of N2? 3.98 mol N2(2 mol NH3/2 mol H2)=2.65 mol Convert to grams: 2.65(17.0)=45.14g 2.)How many grams of
asked by Sarene 
physics
A person walks in the following pattern: 2.9 km north, then 1.9 km west, and finally 8.0 km south. How far and in what direction would a bird fly in a straight line from the same starting point to the same final point?
asked by vishal 
Chemistry
Please help solve; 2Al +3Cl2 > 2AlCl3 You are give 31.0g Al and 36.0g of Cl2. If you had excess chlorine, how many moles of of aluminum chloride could be produced from 31.0 g of aluminum?
asked by Jeremy 
high school
How does a scientist reduce the frequency of human error and minimize a lack of accuracy? a.Take repeated measurements. b.Use the same method of measurement. c.Maintain instruments in good working order. d.all of the above
asked by Aisumi 
physic
how to caluate a ke vs. time graph
asked by rachel 
Math
The census taker says, "I need to know the ages of your children." The mother replies, "I have no oneyearolds. The product of my children's ages is 90, and the sum of their ages is the same as my house number." The census taker replies. "I can see the
asked by Sarah 
english
help me to reply this letter from a friend in Britain,this letter is in my english book is not real but i have to write a reply. I'd love to come and stay with you.It will have to be in August because ,as you know, our summer holiday are not as long as
asked by Anonymous 
physics
The flywheel of a steam engine runs with a constant angular speed of 164 rev/min. When steam is shut off, the friction of the bearings and the air brings the wheel to rest in 1.6 h. I found the constant angular acceleration as 1.71rev/min^2. They also ask
asked by help 
Statistics
Instructions for Data Sets: Choose one of the data sets A − J below or as assigned by your instructor. Only the first 10 observations are shown for each data set (files are on the CD). In each data set, the dependent variable (response) is the first
asked by Pam 
Computers
Discuss the disadvantages of creating a bitstream copy from a disk to a network drive. Is it worthwhile?
asked by Anonymous 
math subject
make (a) the subject 2a+ã2a^2=10 please and thank you (the 2a^2 is all spuare rooted)
asked by jam 
math subject
make (a) the subject 2a+squareroot of 2a^2=10
asked by jam 
college physics
Given the vectors = 2.00 + 8.00 and = 4.00  5.00, do the following. (a) Draw the vector sum = + and the vector difference =  . (Do this on paper. Your instructor may ask you to turn the paper in.) (b) Calculate and , first in terms of unit vectors.
asked by caitlin 
college physics
A man pushing a mop across a floor causes it to undergo two displacements. The first has a magnitude of 140 cm and makes an angle of 130° with the positive x axis. The resultant displacement has a magnitude of 144 cm and is directed at an angle of 30.0°
asked by caitlin 
college physics
Consider two vectors A = 4i  4j and B = i  8j . (a) Calculate A + B. (b) Calculate A  B. (c) Calculate absolute value(A + B). (d) Calculate absolute value(A  B). (e) What is the direction of A + B? (from the +x axis) (f) What is the direction of A 
asked by caitlin 
Teachers Aide/Early Childhood Education and After
8. When resolving conflicts between students in an afterschool program, the teacher aide should A. give attention to the aggressor first. B. let children discuss their differences with each other. C. never use a “timeout” corner. D. separate and
asked by AspiringTeacherandMotherofFour 
physics
(a) Vector E has magnitude 50.0 and is directed 40.0° counterclockwise from the +x axis. Express it in unitvector notation. (b) Vector F has magnitude 50.0 and is directed 40.0° counterclockwise from the +y axis. Express it in unitvector notation. (c)
asked by anonymous 
Algebra
Determine the zeros of the function 3x^2 8=10x. I know I rewrite it as 3x^2 10x8 = 0 But then what do I doI'm totally confusedAnswers are {2,4} {2,4} {2/3,4} {2/3,4} Please direct me or show the steps, just don't give me the answer because I still
asked by BethAnne 
math geometry
what is the area of a regular hexagon having sides of 16 meter length?
asked by cynthia 
chemistry
How did dalton discover the atom?
asked by adrian 
Teachers Aide/Early Childhood Education and After
11. The most common early childhood program in the United States is A. the eclectic model. C. DISTAR. B. the Montessori model. D. the Froebelian model. I have no idea. There is really only a few sentences that would lead me to believe that the Froebelian
asked by AspiringTeacherandMotherofFour 
literature
what is pastoral literature?
asked by chelsea 
business
you ask for feedback on a proposal and are told,"I don't believe your claims. Your facts must be wrong." You are confident that your facts are indeed correct.You should: A)write a memo to the proofreader's supervisor before sending the final proposal. B)
asked by Anonymous 
Maath
Find an equation of the line L in point slope form and in general form. L is parallel to the line 3x2y+5=0 and contains (2,3)
asked by Heather 
Science
An astronuat who was outside repairing his spaceship with a wrench lost his tie rope. Now he is stranded in space. Unfortunately, you can't swim in space. How can the law of conservation of momentum help the astronaut return to his ship.
asked by Carolyn 
science
Explain why a bullet with a mass of 15 grams and a velocity of 400 m/s has more momentum than you at rest. Calculate the momentum for both.
asked by Ashley 
Algebra
Write a polynomial for the area between two concentric circles if the radius of the outer circle is two less than three times the radium of the inner circle.
asked by Sue 
Calculus
Find f'(a). f(x)= (x^2 + 1)/(x  2) So, [[(a + h)^2 + 1]/[(a + h)  2]]  [(a^2 + 1)/a  2] and the whole thing divided by h I tried simplifying it and ended up with [a + h/2]  (a2), which is incorrect. I used wolfram alpha and got (a^2  4a  1)/(a 
asked by CMM 
math
Amy paid $77.71 for shoes during a 20% off sale. What is the regular price of the shoes?
asked by kalaya 
English
can anyone answer these questions? How do people choose what to buy? what are presents for and what do they express?
asked by Paul 
science
Why do you think that the Scientific Method is so important when we talk about the development of Psychology as a science?
asked by mac 
English 2
I have to write a cause and effect essay, and I'm writing about the cause for the popularity of fast food restaurants and the effect its had on people. I have plenty of causes listed, but for the effect I only have 2 Obesity, and jobs for people without
asked by mysterychicken 
math word problems
On three consecutive passes a football team gains 10 yards, lose 36 yards and gain 41 yards. What is the total net yards. i truely don't understand
asked by kalaya 
Physics
Can someone please tell me how to calculate the percent of error for a set of data points? thanks so much!
asked by Happy Face 
English
Who is the speaker in Journey by Mary Oliver.Is it your conscious directing you, telling you what you must do?
asked by Julia 
Com155
Use at least five adverbs and five adjectives to write a 150 to 300word review of a movie, sporting event, musical performance, or television show
asked by Jacqui 
physics
It takes the elevator in a skyscraper 3.6 s to reach its cruising speed of 10 m/s. A 69 kg passenger gets aboard on the ground floor. 1.What is the passenger's weight before the elevator starts moving? 2.What is the passenger's weight while the elevator is
asked by madiha 
9th grade
The islamic ...and Arabic ... held the empire together
asked by Shannon 
physics
A constant force is applied to an object, causing the object to accelerate at 6.00 m/s^2. What will the acceleration be if: a.The force and the object's mass are both doubled? b.The force is doubled and the object's mass is halved?
asked by madiha 
Geometry
Overlapping angles Given: m angle HGK= m angle JGL Prove: m angle 1= m angle 3 Statements: Reasons: 1.) m angle HGK= m angle JGL 1.) Given 2.) 2.) 3.) 3.) 4.) 4.) Can you please help me complete the proof? Thanks for your help!
asked by Happy Face 
math
Your younger brother is pulling a sled up a hill. Each minute he moves foward 20 feet but also slides back 3 feet. Describe how you can determine the time he needs to pull his sled 130 feet foward.
asked by morgan 
calculus
for the function f(x)=4x^2 +7, find the equation of the tangent line to the graph of f at x+1. if the equation of the tangent line is written as y=mx+b. m=? b=?
asked by Jenny 
geography
Explain the three steps that geographers yse
asked by Oj Lyttle 
calculus
if the tangent line to the function f(x)=ãx +a at x=16 has equation y=mx+6. find a and m. you may use the fact that f'(x)= 1/(2ãx)
asked by Jenny 
Maths
What does a business having a "high world demand" mean? So with this high demand what are the benefits of this?
asked by Anique 
Geometry
Reflective sets of angles Given:
asked by Happy Face 
Alg. II
Solve y=Arcsin 1/2 A.) 5pi/6 B.) 5pi/6 C.) pi/6 D.) pi/6
asked by Kim 
calculus
consider the function f(x)=2x^2 +1. its tangent line at x=2 goes through the points (2,y1) and (1,y2) where y1=?, y2=?
asked by Jenny 
calculus
consider the function f(x)=2x^2 +1. its tangent line at x=2 goes through the points (2,y1) and (1,y2) where y1=?, y2=?
asked by Jenny 
Physics
Can someone please tell me how to calculate the percent of error for a set of data points? thanks so much!
asked by Happy Face 
cpcc
A 134 N bird feeder is supported by three cables as shown in Figure P4.17. Find the tension in each cable. right cable 1 N left cable 2 Your response differs from the correct answer by more than 10%. Double check your calculations. N
asked by thomas 
world history
When did the babylonians conqure mesopotamia?
asked by Annalisa 
math 5th grade
I am 45 years older than my son. Now the two digits in my age both prime are the reverse of the two in my son's age. How old am I
asked by tryston 
Business communication
you have 4 reasons for saying "no" two of them are very strong reasons, one has a tiny loophole, and one is very weak. in your message you should: a. Include all 4 reasons, b.Omit the very weak reason and use the other three, c. use only the 2 strong
asked by IceIpac 
physics help
A woman is pushing a sofa at constant speed of 1.0 m/s on a horizontal surface. She exerts a horizontal force of 80 N in the direction of motion. A) how can the sofa move at constant speed without Newton's first law being violated? B)Approximately how hard
asked by Stan 
math please help!!!!!!!!!!!!!!!!!!!!!
4=W on W. I don't get it.
asked by CeCe 4gr 
Math
Determine the zeros of the function 3x^2 8=10x. I know I rewrite it as 3x^2 10x8 = 0 But then what do I doI'm totally confusedAnswers are {2,4} {2,4} {2/3,4} {2/3,4} Please direct me or show the steps, just don't give me the answer because I still
asked by Beth Anne 
Geometry
midpoint of L. 1/3XY = 3. What is the midpiont of XY?
asked by angie 
3rd grade math
draw a number line. make sure the following numbers are on the line: 1,472; 1,560, 1,481
asked by karen 
Chemistry
How many molecules of Cl2 would be formed from the reaction mixture that produces the greatest amount of products? Consider the following reaction: 4HCl(g)+ O2(g)to 2H2O +2Cl2(g)
asked by Brian 
physics
a traffic light is supported by two cables that are 140 degres apart. Each cable exerts a tensile force of 150 N on the night. How mucg does the light weigh?
asked by idk 
College Physics
A Borg cube starship is zooming past Earth with a speed v=0.97c as shown. The cube has side lengths of 3.03 km. What is its volume, measured from Earth? Can someone step me through this problem?
asked by Nicole 
Math Check
The only inequalities where I have to check the values between the points are polynomial and rational inequalities, right? And not any other type of inequalites By Checking I mean to know which way to shade on a graph Just making sure
asked by Amy~ 
physics
a very strong girl runs 200 miles for several hours. After a brief rest she runs another 100 miles north. She stops for the night at a local bed and breakfast and the next morning ealks 75 miles directly southeast. Find the magnitude and direction of her
asked by idk 22 
English
Need help with Synecdoche is a "figure of speech" in which a part is used for a whole, or the reverse. Please help with the following especially with School and Hand. This is what I have so far. Thanks! 1) Jackson has a strong arm: Meaning is, Throws well?
asked by Janet 
math
538 divided by 63
asked by kenzie 
healt
what are the four categories of physical fitness
asked by Anonymous 
math
There are 36 buttons in a jar. There are 3 times as many red buttons as white buttons. How many white buttons are there? How many red buttons are there?
asked by Joe Joe 
math
Which of the following is a disjunction? Angela is fortythree. Lisa will run a marathon and Lisa will compete in a triathlon. Paul is at school or Paul is at home. A spuare has four sides and four angles.
asked by Troy 
math
There are 40 yellow and blue marbles in a bag. There are 4 times as many blue marbles as yellow marbles. how many yellow marbles are there? how many blue marbles are there?
asked by Joe Joe 
11th grade
sound travels at 350 m/s in warm air. "If you hear the echo in 10 seconds, how far away is the reflecting surface?
asked by lisa 
Math
For this inequality 3x^(2)  2x 1 > or equal 0 I get x=1 , x=1/3 would the solution set become {x1 < x < 1/3} I wasn't sure about the sign, if it should be greater than or equal to .
asked by Amy~ 
physics
A woman is pushing a sofa at constant speed of 1.0 m/s on a horizontal surface. She exerts a horizontal force of 80 N in the direction of motion. Approximately how hard would the woman have to push to keep the sofa moving at a constant speed of 2.0 m/s?
asked by Stan 
physics
During an Olympic bobsled run, the Jamaican team makes a turn of radius 7.9 m at a speed of 97.4 km/h. What is their accelaration in gunits?
asked by annamaria 
MATHS
a parabola passes through the points (1,1) , (2,0) and (3,1) the equation of the parabola is y=ax^2 + bx + c a) write down a system of equations representing this parabola. b) solve the corresponding system and hence write down the equation of the parabola
asked by MOHAMMED 
GEOMETRY
Reflective sets of angles Given:
asked by Happy Face 
PHYSICS
Can someone please tell me how to calculate the percent of error for a set of data points? thanks so much!
asked by Happy Face 
physics
What is the smallest radius of an unbanked (flat) track around which a bicyclist can travel if her speed is 31 km/h and the coefficient of static friction between the tires and the road is 0.29?
asked by annamaria 
Economics
How can you use information about the business cycle when making a decision about a large purchase?
asked by Emily 
GEOMETRY
Overlapping angles Given: m angle HGK= m angle JGL Prove: m
asked by Happy Face 
physics
An airplane is flying in a horizontal circle at a speed of 490 km/h. If its wings are tilted at 44° to the horizontal, what is the radius of the circle in which the plane is flying? Assume that the required force is procided entirely by an "aerodynamic
asked by annamaria 
physics
Block B weighs 708 N. The coefficient of static friction between block and table is 0.32. Assume that the cord between B and the knot is horizontal. Find the maximum weight of block A for which the system will be stationary.
asked by annamaria 
us history
The KansasNebraska Act: ensured that the number of free and slave states would remain equal repealed the Missouri Compromise and authorized the residents of both territories to determine the status of slavery temporarily suspended the Missouri Compromise
asked by bobbie 
Math
Directions : write the equation or an inequality 1.The difference of a number C and 17 is more than 33 ? 2.The product of 3 and number X is at most 21 ? 3.The sum of 14 and twice a number Y is equal to 78 ? 4.The difference of 22 and the quotient of a
asked by keila 
Calc
Find f'(a). f(x)= (x^2 + 1)/(x  2) So, [[(a + h)^2 + 1]/[(a + h)  2]]  [(a^2 + 1)/a  2] and the whole thing divided by h I tried simplifying it and ended up with [a + h/2]  (a2), which is incorrect. I used wolfram alpha and got (a^2  4a  1)/(a 
asked by CMM 
Math
34 x (n x 2) = 680
asked by Kessani 
physics
If the green ball bounces upward from the ground with a speed of 20 m/s (immediately after it hit the ground), calculate the momentum of the ball as it goes upward immediately after hitting the ground
asked by becky 
history
The Dredd Scott decision: *declared that Congress could not prohibit slavery from a territory *struck down the KansasNebraska Act *stated that a slave was property and could never be a citizen *allowed slavery in every state in the Union
asked by bobbie 
math
40=y+4y
asked by Joe Joe 
History
Describe the reform’s positive or negative effects on American society: 1)Settlement houses 2)Professionalism 3)Women’s suffrage 4)City manager governance 5)Initiative and referendum 6)Direct primary 7)Judicial recall 8)Temperance 9)Square Deal
asked by Glenda 
8th grade
what is science
asked by mary 
Teachers Aide/Early Childhood Education and After
16. When planning activities for an afterschool day care program, the teacher aide should provide A. drill and thinking activities that carry over from the school curriculum. B. activities that are highly structured and demanding. C. a choice of
asked by AspiringTeacherandMotherofFour 
8th history
A direct result of the threefifths compromise was: the political power of the South was greatly increased since they were apportioned more representatives. *northerners paid more taxes than southerners. threefifths of the population in the South was
asked by bobbie 
child care
Mrs. Carroll and her sister want to keep their taxes low and keep Ms. Howard's liability to the amount of her original investment. Which type of business arrangement would be best for them
asked by roro 
Chemistry
I need help on this stoichiometry problem. I don't know whay my answer is incorrect. The fermentation of sugar to produce ethyl alcohol occurs by the following reaction: C6H12O6  2C2H5OH + 2CO2 What mass of ethyl alcohol can be made from 1.00 kg of
asked by Deni 
spanish
what does el poncho mean?
asked by pat 
critical thinking
A company can either invest in employee training seminars or update its computer network. Since updating the computer network would result in more measurable benefits, the company would be best off updating its computer network. The argument above assumes
asked by Anonymous 
MATH
When a concrete structure is built, and engineer often performs a slump test on the concrete to ensure that it is of suitable strength and consistency. The engineer fills a truncated cone with bottom diameter 200mm, top diameter 100mm and height 300mm with
asked by Anonymous 
math
The diameters of a wooden dowel produced by a new machine are normally distributed with a mean of 0.55 inches and a standard deviation of 0.01 inches. What percent of the dowels will have a diameter less than 0.57?
asked by michelle 
science
In electrolysis, electrons move between two metal strips called ________________. Please help!!!
asked by tammy 
college accounting
We just starting the chapters in accounting in school. We have about 10 problems to do. I will post one problem here and i need someone to show me how exactly they got it, so i understand and it could help me work on the other 9. here it is The
asked by gaba 
accounting
during the period 1 oct to 10 october2008 the stock figure was $38 900 sales were $7800,the company makes a gross profit of30% on cost (ii)purchases were$4000 (iii)returns in wards were$1950 (iv)one stock sheet had been overadded by$800while the other had
asked by shaz 
English
Can you please check the following sentences for me? Thank you in advance. 1)They made a hole in the bottom of the boat on the beach. When the other sailors arrived at the beach by boat, they decided to leave three men in the boat whereas the other seven
asked by Franco 
business math
Kamman VanMarko Plumbing equipment sales Commission rate: 9 1/2% Annual pay: $17,496 Month's sales: $2,460 What is the monthly pay? $1,691.70 $1,458 $3,918
asked by Anonymous 
MATH
The sum of 14 and twice a number y is equal to 78 ?
asked by Keila 
trig
25q to the second power 81=0
asked by kik 
9th grade MATH
The sum of 14 and twice a number y is equal to 78 ?
asked by Keila 
math
Melissa collected 3 kinds of leaves when she was out walking elm, maple, and oak. She has 2xs as many maple leaves as elm leaves and 5xs as many oak leaves as elm leaves. Altogether, she has 32 leaves. How many of each kind does she have?
asked by S 
Chemistry
Thank you! I redid my questions and I got the following answers. Please let me know if they are correct! I am really unsure about the significant digits! 1. 135.32g NH3 2. 1.85g H2 3. 9.93X10^19 molecules.
asked by Sareneto Dr. Bob222 
Physics
In the javelin throw at a track and field event, the javelin is launched at a speed of 25 m/s at an angle of 30.7° above the horizontal. As the javelin travels upward, its velocity points above the horizontal at an angle that decreases as time passes. How
asked by blah 
MATH
calculate missing dimension. a) cylinder has volume 1m3 and height of 0.6m. How do I fifure the missing dimension. Could someone please provide me with a formula to figure this out. Also can someone please explain to me step by step how to do this. Cause
asked by Anonymous 
Organic Chem
how would you make 300mL of toluene and hexane in a artion of 70:30 respectively? i don't un derstand please help
asked by steph 
calculus
11,406.14=(438.3/r)(1+r)^10 how do you solve for r?
asked by Courtney 
French
Can you check these thanks Part 1: Choisissez 1. Il a eu un accident et on a appelé . A. un anesthésiste B. le serivce des urgences C. un fauteuil roulant Answer: B 2. On a mis le blessé sur . A. son genou B. un pansement C. des
asked by Missy 
physics
An airplane whose airspeed is 295 km/h flies parallel to the direction of a wind with a speed of 40.0 km/h. What are the two possible speeds of the plane relative to the ground?
asked by Anonymous 
math
how is it possible for a triangle to have angles of 90, 50 &60
asked by donna 
Chemistry
Calculate the molarity of a solution made by dissolving 0.0715 mol Na2SO4 in enough water to form 550 mL of solution. While we're at it... How many milliliters of 10.6 M HCl solution are needed to obtain 0.205 mol of HCl? Also... How many grams of solute
asked by Alex 
Chemistry (again)
What mass of NaOH is required to precipitate all the Fe2+ ions from 52.0 mL of 0.200 M Fe(NO3)2 solution?
asked by Alex 
Spanish
I need help with these last 2 1.Mis amigos y yo * (asistir) a la universidad. 2. Yo (creer) en Dios y * (asistir) a la misa (Mass) con mis padres los domingos. I just need help with asistir on this part.
asked by Christopher 
Chemistry
are these items belowed classified as a heterogeneous mixture, a solution, a compound or and element? chalk clear spring water oxygen tomato soup pencil ice and soda sterling silver iron
asked by Courtney 
math
I am A number in the Last row on the hundreds chart. my ones digit is even.the differance between the ones digit and tens digit is 5.What number am i?
asked by Sara 
math
at 1p.m. two trains, traveling towards each other, leave from towns that are 312 km apart. one train averages at most 82 km/h and the other at most 74 km/h. what is the earliest time for them to meet?
asked by Anonymous 
economics
out of the four economic market models : competitive market, monopoly market, monopolistic competition and oligopoly in your opinion which is the best market model and which is the worst
asked by chris 
math
tell wich operation to do first then find the value of each expression
asked by bryanna 
MATH
When a concrete structure is built, and engineer often performs a slump test on the concrete to ensure that it is of suitable strength and consistency. The engineer fills a truncated cone with bottom diameter 200mm, top diameter 100mm and height 300mm with
asked by Anonymous 
geometry
a square has an area of 48 cm suared what is the best estimate of the length of ach side of the square?
asked by Anonymous 
Math
Soda comes in packs of 6. Candy comes in 4 bags per pack. What is the least number of each pack (Soda and Candy) she must buy to have exactly one soda per bag of candy?
asked by Rose 
economics
name two competitor companies that are U.S. GAAP publicly traded companies
asked by chris 
Physics
a girl jumps off a high diving platform with a horizontal velocity of 2.77m/s and lands in the water 1.2s later the acceleration of gravity is 9.8m/s squared how high is the platform and how far from the base of the platform does she land?
asked by Samantha 
MATH 9 th grade
The difference of 22 and the quotient of a number m and 4 is 54 ?
asked by Keila 
Re: Math
The only inequalities where I have to check the values between the points are polynomial and rational inequalities, right? And not any other type of inequalites By Checking I mean to know which way to shade on a graph Just making sure
asked by Amy~ 
math
the sum of 7 and three a number b is at least 12 ?
asked by JeSsica 
math
what is a word problem for 2x4=8?
asked by MATH 
chemistry
is melting point of 120126 C a typical range for a melting point
asked by yoo 
MATH
1 6x+7=25;3 2 225c=8;3 3 b\47=1;36 4 7a+4_>20;2.7 ps. the arrow is suppose to be on top of the line. 5 4y3.12;4 6 m\3+14
asked by JeSsica 
Science
If you drive 20 laps around a circular race track at 100 m/s what do you know about your speed, velocity and acceleration?
asked by Joseph 
Math Simplifying Identities
1.) cot(θ)(secθ) I think the answer is secθ but I don't know how to get this. 2.) (tanθ) / (cos)(90° θ) 3.) 3sin2xcos2x  sin4x 4.) (cosx + tanx) / (csc^2 x)
asked by Jamie 
read and write
what does the word stoically mean in the book Iron and Silk by Mark Salzman
asked by hunter 
geometry
In similar triangles ABC and DEF, corresponding sides AB and DE equal 15 and 12, respectively. If the perimeter of triangle ABC=40, what is the perimeter of triangle DEF
asked by Saw Phone Thet 
English
Hi. I'm checking my son's homework and need some help myself. I know you can't give us the answers, but can you give us some choices that we can research? Former Indonesian president Suharto was sometimes referred to as a puppet master. What literary
asked by Mary 
college
$ 2000 invested intrest compounded continuously. find time to grow account to 4500 @ 4.25%
asked by Anonymous 
algebra
evaluate the exprression 90/x for the given values of x to complete the table x 2 3 5 9 15 18 20
asked by James 
Chemistry
The water vapor pressure at 25 degrees celsius is 23.76 torr. If 1.25 grams of water is enclosed in a 1.5 L container, will any liquid be present? If so, what mass of liquid?
asked by Kay Pham 
The Hunger Games
Has anyone read the Book "The Hunger Games", I needed a little bit of information on it. I've read it as well and am trying to point out Peeta and Katniss's skills during the hunting games, but I don't really know how to do that in point form. I am
asked by Sara 
Maths
An atom of chlorine has 6 more protons than an atom of sodium. The atomic number of chlorine is 5 less than twice the atomic number of sodium. How many protons in atom of chlorine?.
asked by Ravita 
social studies
WHERE DID PORTUGUESE MAKE VOYAGES OF DISCOVERY?
asked by CY 
Chemistry
calculate the mass of the following numbers of atoms: a] 6.022 X 10^24 atoms of tantalum
asked by Nicole 
Physics
Determine the magnitude and direction of the displacement if a man walks 32.5 km 45° north of east, and then walks due east 19.5 km.
asked by Alyssa 
math
If you had a fraction strip folded into 10ths what fractional lengths could you measure with the strip
asked by Anonymous 
math
Amy paid $77.71 for shoes during a 20% off sale. What is the regular price of the shoes?
asked by jean 
home economics
three branches of home economics?
asked by shania 
Finance
"An investor is proposing to buy shares in XYZ company. XYZ company is expected to an annual dividend of $2.50 per share. The current share price is $50.00. If the investor requires an annual rate of return of10%, what must the share price be in 1 yr?.
asked by Donna 
5th grade math
what is the answer to: 16(3x2)x 2
asked by Margo 
Algebra 2
When you solve t(t+1)(t2)=0, is the solution {0, 1, 2}?
asked by Danny123 
Algebra 2
Is this how you solve t^3  t = 0? t(t^21)=0 t(t1)(t1)=0 t=0 or t=1 {0,1}
asked by Danny123 
Biology
The tropical rain forests that are being cleared to grow crops for biofuels normally trap _____ carbon dioxide than the crops do. A. more B. less C. the same amount of Thank You.
asked by bee 
social studies
which city has the same relative position north of the equator,that santiago chile has to the south
asked by mikail 
math
data set of numbers with mode 7, median 12, range 13, and maxium 18
asked by Anonymous 
Science
What is an individual organism, population, community, and an ecosystem? Please answer! Thanks! Pancake o.o
asked by The Official Pancake Queen 
social studies (regions)
Regions are a way to describe and compare places. A region is identified by its common characteristics and/or features. Identify five common five common regions throughout the world accoarding to their common characteristics, (ex. Deserts: the Sahara and
asked by Eliza 
vocab.
sentence with the word curio pls
asked by alanaR. 
Teachers Aide/Early Childhood Education and After
Here are my answers thus far....Number 20 has not been answered. 1.b 2.c 3.b 4.d 5.a 6.b 7.c 8.b 9.a 10.c 11.b 12.b 13.c 14.a 15.d 16.c 17.b 18.c 19.b 20.? 1. Which type of afterschool game is usually most successful with younger children? A. Highly
asked by AspiringTeacherandMotherofFour 
Physics
An electron and a proton move in circular orbits in a plane perpendicular to a uniform magnetic field B. Find the ratio of the radii of their circular orbits when the electron and the proton have the same momentum. Find the ratio of the radii of their
asked by Jess 
college algebra
The length of a carpet is 5 Ft. more than the width. The perimeter is 34 ft. What is the area?
asked by lee 
geometry
A table is shaped like a regular hexagon. The length of one side is (3x + 3) in. and the length of another side is (4x − 4) in.. Find the length of a side.
asked by Brianna 
math
2*2*2*2 Evaluate expression.
asked by Allen 
college algebra
Peaches are $2.00 per pound and mangos are #4.00 per pound. I bought a total of 10 pounds of fruit for $27.00 How many pounds of each did i get?
asked by lee 
World History
describe the spread of sedentary agriculture outside the older civilized areas
asked by Christina 
history/english question?
would it make sense to say: (i am writing a report on rousseau's belief in the social contract) "....in which people come to accept the rules of society and agree to follow and pertain to them." ?? thanks, and feedback on making this sentence better? i'm
asked by nicole 
Algbebra 2
How would I put this word problem into a system of equations (three equations)? Once its in equation form I can easily solve it... A natural food store makes its own brand of trail mix out of dried apples, raisins, and peanuts. One pound of the mixture
asked by Chrissy 
spanish
someone translate please Como son la mujer y las dos mudchachas del cuadro? Quien es la mujer, y que relacion hay entre ella y las ninas? Escrbibe una descripcion de las tres personas
asked by algebra 
spanish
can someone look up the painting Mis sobrinas de Maria Izquierdo (19021955) and tell me about it
asked by jasd 
managment
how is knowledge captured and used in your organization? I am not sure what this qestion is asking. Help please
asked by patiance 
collegeaccounting
Choose two competitor companies that are U.S. GAAP publicly traded companies.
asked by chris 
Physics
An electron and a proton move in circular orbits in a plane perpendicular to a uniform magnetic field B. Find the ratio of the radii of their circular orbits when the electron and the proton have the same momentum. Find the ratio of the radii of their
asked by Jess 
algebra
rice are $2.00 per lbs. and sugar are $4.00 per lbs. I bougth a total of 10 pounds of both for $27.00 How many pounds of each did i get?
asked by lee 
social studies
How many main land regions does iceland have?
asked by Lynsey 
English I
What is feild or Scope? I am writing a book report on Lord of the Fies by William Golding.
asked by Molly 
science
microscope lens used to locate the specimen
asked by david 
World History
what classical traditions and institutions survived despite the fall of the states? Please I really need help, I have no notes on this.
asked by Christina 
math
in which quadraints are the signs of the first and second coordinate the same? the signs of the first and second coordinate are always the same in quadrants type I, II, III, or IV. use a comma to separate answers as needed
asked by Anonymous 
English
Help needed! It's due tomorrow please. Thanks. I have to do imitation. 1) A veteran bronc rider, Tom Block has ridden nine horses to death in the rodeo areno,and at every performance the spectators expect him to kill another one. This is the imitation:
asked by Mary 
spanish
use the info given to say who each person is and where each person is from ustedes/ los senores Tobar/ Panama
asked by ford 
Chemistry
I am currently working on drawing isomers and find that I become way too creative in my structures. It would be helpful to know how many I should come up with... All isomers of C5H10O that contain a carbonyl group. I am looking for a number/count of them.
asked by Lori 
Algebra 2
How would I put this word problem into a system of equations (three equations)? Once its in equation form I can easily solve it... A natural food store makes its own brand of trail mix out of dried apples, raisins, and peanuts. One pound of the mixture
asked by Chrissy 
Physics
"You throw a rock at 25m/s at an angle of 25.8511 degrees hitting a target 50m away on the ground in 2.22s." (this is on a flat surface) Vi=25m/s Theta=25.8511 degrees x=50m t=2.22s and of course g=9.81m/(s^2) "How high does the rock fly in the air?" I
asked by dazedandconfused 
finite math
Candy costing 1.25 per kilogram was mixed with candy costing 1.65 per kilogram to produce 10 kilograms of a candy mixture worth 1.40 per kilogram. find how may kilograms of each was used.
asked by remina 
Science
what does biotic and abiotic mean.
asked by GirlSense 
Chem
4NH3(g) + 3O2(g) > 2N2 + 6H20, K=10^80 @ certain temp initially, all the reactants and products have concentrations equal to 12M. At equilibrium, what is the approximate concentration of ammonia?
asked by Daniel 
Chem
4NH3(g) + 3O2(g) > 2N2 + 6H20, K=10^80 @ certain temp initially, all the reactants and products have concentrations equal to 12M. At equilibrium, what is the approximate concentration of ammonia?
asked by Daniel 
Chem
4NH3(g) + 3O2(g) > 2N2 + 6H20, K=10^80 @ certain temp initially, all the reactants and products have concentrations equal to 12M. At equilibrium, what is the approximate concentration of ammonia?
asked by Daniel 
5th grade math
What is the sum of 3142,6328, and 4743 to the nearest thousand?
asked by Jill 
MATH
1/5X24
asked by JOHN 
4th grade
describe effects of glacier
asked by alla 
government
True or False. As a result of the war, the South's economy boomed, while the economy of the North slumped.
asked by mary 
HRM
Background CariSecur, a regional organization that has as it core business the provision of security services in CARICOM member states, is seeking to employ a Regional Information and Technology Coordinator. The position, which is new in the organizational
asked by Dinish 
social studies
how can I describe effects of glacier
asked by alla 
Chemistry
Between which two orbits of the Bohr hydrogen atom must an electron fall to produce light of wavelength 434.2nm?
asked by Christina 
Physics
A velociraptor comes at you at 20m/s and it takes you exactly 2.22 seconds to hit the switch for the door which takes 3 seconds to close. How far away must the velociraptor at least be from the door for your survival? (reworded question to make more
asked by WaywardSon 
Science
The biome with the fewest seasonal changes is the A. temperate deciduous forest. B. grassland. C. tropical rain forest. D. coniferous (boreal) forest.
asked by Jim 
english
Is this sentence correct? Taking care of this patient will be more exhausted than other patients because I have to provide intensive cares, such as giving a bed bath and turning the patient, and more attention to the patient’s safety
asked by Anonymous 
physics
The flywheel of a steam engine runs with a constant angular speed of 164 rev/min. When steam is shut off, the friction of the bearings and the air brings the wheel to rest in 1.6 h. I figured out the constant angular acceleration=1.71 rev/min2 but im not
asked by question 
Math
What is a step by step answer to (17+x)^2=2209 ?
asked by Sonny 
Physics
a 63kg water skier is pulled up a 14.0 degree incline by a ropeparallel to the incline with a tension of 512 N. the coefficient ofkinetic friction is 0.27. What are the magnitude and direction ofthe skier's acceleration
asked by Joyce 
GRADE11 math
if f(x)= (x4)(x=3) determine the x intercept of the funtion if y= 2f(x)... i just don't know if the 2 affects the answer because that only affects the y co ordinates. in the book it says 4,3 but i don't know why. if this is true if the they were asking
asked by ramuu 
Organic chemistry
the pka of benzoic acid is 4.2. show mathematically that this acid is 50% ionized. Use results of part a t oexplain why precipitation is incomplete if the pH of an aquesous solution of benzoate ion is lowered only to ph 7 by adding acid. Thank you
asked by ZC 
Math
Please show the steps of 2209^1/2 or steps of square root of 2209?
asked by Sonny 
Organic chemistry
Assume that the partion compound is 3. Given 400mL of aqueous solution containg 12 g of compound. How many grams of A could be removed from the solution by a single extraction with 200mL of diethyl ether? Also how many total grams can be removed from the
asked by ZP 
english
Is this right? Taking care of this old patient will be more exhausted than providing care for other patients. I will have to provide intensive cares, such as giving a bed bath, turning the patient, and paying more attention to the patient’s safety.
asked by Anonymous 
english
Is this phrase correct? Regardless of which patients whom I will get for my first clinical day
asked by Anonymous 
chemistry
The oxidation numbers for each element in the compound Ag2SO3 are: (Enter numbers ONLY in the format +1 or 1; no spaces.) Ag S O for Ag i got +4 for S i got 2 and same for O The oxidation numbers for each element in the compound NaClO4 are: (Enter
asked by Jason derulo 
geometry
M is the midpoint of Symbol for Segment A B.. Find the coordinates of B given A(7,2) and M(10,10). Show your work for credit
asked by BLAH 
math
graph the line containing the given pair of points and find the slope (7,0)and(5,5)
asked by Anonymous 
PHYSICS!!!!! HELP!
The velocity of a diver just before hitting the water is 8.6 m/s, where the minus sign indicates that her motion is directly downward. What is her displacement during the last 0.86 s of the dive? im so stuck. i tried this problem several times, and my
asked by mikey 
Calabasas HS
A 46.2mL, 0.568 M calcium nitrate [Ca(NO3)2] solution is mixed with 80.5 mL of1.396 M calcium nitrate solution. calculate the concentration of the final solution
asked by Michael 
helpp in physics! so tough!
A diver springs upward with an initial speed of 2.0 m/s from a 2.5m board. Find the velocity with which he strikes the water. Hint: When the diver reaches the water, his displacement is y = 2.5 m (measured from the board), assuming that the downward
asked by MC 
calculus
Find the point on the curve y=1 x2+14 x such that the tangent line to the curve is parallel to 2 x + 10 y = 23
asked by Natalie 
chemistry
how much wood makes 5 pounds of ash
asked by Anonymous 
english
For this sentence, Regardless of which patients whom I will get for my first clinical day, should I use will because I am talking about the future?
asked by Anonymous 
Chemistry
If the decomposition of 3.785 g iron (III) chloride yields 1.302 g iron and 2.483 g chlorine, how many grams of iron and chlorine are produced when 2.175 g iron (III) chloride decomposes?
asked by Ray 
math
7d+5=26
asked by emma 
english
How can I fix this sentence? In anticipation of my beginning clinical, I will expect myself to work in geriatric unit, where I can take care of old adults
asked by Anonymous 
algebra 2
how do u solve a system of linear equations in three variables? for example this problem Ex.1 2x2y+z=3 5yz=31 x+3y+2z=21
asked by tikenya 
Physics
Estimate the work you do to mow a lawn 14m by 23m with a 0.5mwide mower. Assume you push with a force of about 15N.
asked by Phil 
Chemistry
Hi, I posted my question earlier but I was having some difficulty with it. 2Al+ 3Cl2>2AlCl3 You are given 31.0g of aluminum and 36.0g of chlorine gas. 1.If you had excess chlorine, how many moles of aluminum chloride could be produced from 31.0g of
asked by Jeremy 
grade 11 math
if f(x)= (x4)(x=3) determine the x intercept of the funtion if y= 2f(x)... i just don't know if the 2 affects the answer because that only affects the y co ordinates. in the book it says 4,3 but i don't know why. if this is true if the they were asking
asked by Cindy 
grammar
what is the simple predicate in The insects bodies can turn wood into food?
asked by josh 
Chemistry
If 920 mL of 0.0402 M aqueous LiOH reacts stoichiometrically according to the balanced equation, what mass (g) of gaseous CO2 is required? 2 LiOH(aq) + CO2(g) → Li2CO3(aq)
asked by DJ 
chemistry
Hi, Im trying to understand this. If i have Cl35 and Cl37 what would their differences be in physical property? Im assuming boiling point and melting point obviously, but are there any more? Atomic weight or ionization energy? Thnx :)
asked by Marie 
Math
Please show me a stepbystep of square root of 2209 without using calculator or just say square root of 2209?
asked by Sonny 
math
6r3=15
asked by emma 
chemistry
If a mole of hydrogen gas (H2) contains 6.02 x 10^23 molecules, how many molecules are there in 10.0 moles of hydrogen gas? Answer 60.20 x 10^23 molecules 6.0 x 10^23 molecules 6.02 x 10^20 molecules 6.02 x 10^24 molecules None of these is correct. would
asked by lala 
Calculus
How did I solve this? Find the change in y if x changes from 1 to 3. The equation is y=f(x)=2x^2+5
asked by Avalon 
Math
Doug created a pattern of towers. Tower 1 was created using 5 blocks. Tower 2 used 6 blocks. Tower 3 used 7 blocks. Tower 4 used 8 blocks. what is the rule for the pattern Doug used to build his towers? How many blocks will be in Tower 20
asked by A.T. 
english
Does this sentence make sense? They will be my new patients whom I never had a chance to care for since I volunteered at hospital.
asked by Anonymous 
physics
The coefficient of kinetic friction for a 25 kg bobsled on a track is 0.10.What force is required to push it down a 6.0^\circ incline and achieve a speed of 67 km/h at the end of 75 {\rm m}?
asked by Anonymous 
1st grade
i need help with adjectives
asked by Dominic 
Vectors
Given vectors A = 4.8i + 6.8j and B = 9.6i + 6.7j, determine the vector C that lies in the xy plane perpendicular to B and whose dot product with A is 20.0.
asked by Victor 
physics
If the mass of a planet is 3.80 1024 kg, and its radius is 2.20 106 m, what is the magnitude of the gravitational field, g, on the planet's surface?
asked by Anonymous 
chemistry
For a TLC lab,the stationary phase is the mixture of isopropanol and ammonia or the mixture of hexane,ethyl acetate and ethanol, the stationary phase is silica gel. text some dyes and drugs. what is the relationship between the polarity of molecules and
asked by Leon 
chemistry
Hi, Im trying to understand this. If i have Cl35 and Cl37 what would their differences be in physical property? Im assuming boiling point and melting point obviously, but are there any more? Atomic weight or ionization energy? Thnx :)
asked by Marie 
Physics
"You throw a rock at 25m/s at an angle of 25.8511 degrees hitting a target 50m away on the ground in 2.22s." (this is on a flat surface) Vi=25m/s Theta=25.8511 degrees x=50m t=2.22s and of course g=9.81m/(s^2) "How high does the rock fly in the air?" I
asked by RePost