Questions Asked on
August 28, 2010

physics (mechanics)
Practice problem: A rocket sled for testing equipment under large accelerations starts at rest and accelerates according to the expression: a= (2.8 m/s^3)t + (3.9 m/s^2) How far does the rocket move in the time interval t=0 to t=0.81 s? This is just a
asked by John 
math
If a rock is thrown upward on the planet Mercury with a velocity of 11 m/s, its height in meters t seconds later is given by y = 11t  1.86t sqaure a : Find the average velocity over the given time intervals: [1, 2] , [1, 1.5] , [1, 1.1] , [1, 1.01] [1,
asked by Anonymous 
english check answer
1) wary 2) inclination 3) dilemma 4) Sabotage 5) Retort 6) zeal 7) 8) demoralize 9) Irrate 10) Subsequent words Curt, Demoralize, dilemma,inclination, irate, retort, sabotage, subsequent, wary,zeal if my carpets need cleaning or i want a new cellphone
asked by jay 
4th grade
write 31 hundred thousands in standard form and 23 ten thosands in standard form
asked by Nylah 
managerial economics
Which of the following are characteristics of a typical isoquant? a. All input combinations on the isoquant will produce the same level of output. b. The marginal rate of technical substitution decreases as more labor is substituted forless capital. c. a
asked by tina 
Math
What geometric properties make “SOS” a good choice for the international distress symbol?
asked by Kirk 
english vocab
__________ 12 Already angry,the customer became more ___ when he __________ received only this __ response: No return. _______ 34 when I answer my phone and hear someone demand, "who is this?" _______ my _ is _ to "I'm the person whose phone was ringing.
asked by jay 
algebra1
4 3/4 + (3 3/4) my answer 8 1/4. is it correct?
asked by alanaR. 
math
6. 2 m 300 mm = _____cm 7. 0.21 km = ____m 8. 600 cm3 = __L 9. .012L = __________mL 10. 2,000mg =_____kg
asked by Anonymous 
calculus
A street light is at the top of a 16 ft tall pole. A woman 6 ft tall walks away from the pole with a speed of 4 ft/sec along a straight path. How fast is the tip of her shadow moving when she is 40 ft from the base of the pole?
asked by jin 
math
The measure of the supplement of an angle is 20 degrees more than three times the measure of the original angle. Find the measures of the angles.
asked by Bianca 
Planning
Hey, I have another question from my assignment. 2.How do the course choices (both elective and required) that I make today lead to the fulfilment of this dream? My dream is to become a dental hygienist or a family physician one day, and along with that to
asked by Anonymous 
physics
This is a sample question: A man jogs at a speed of 1.2 m/s. His dog waits 2 s and then takes off running at a speed of 4.1 m/s to catch the man. How far will they each have traveled when the dog catches up with the man? The answer is 3.3931 m. I just need
asked by John 
calculus
limit of sin x / 2x squared  x as x approaches 0
asked by franko 
Math  I need this by midnight std time
A ramp must not rise more than 1 foot over a horizontal distance of 12 feet. a) What is the maximum slope of the ramp into the house b) If the horizontal distance into the house is 48 feet, what is the maximum allowable rise of the ramp?
asked by SchuRonda 
Algebra
the set of real numbers less than or equal to 4
asked by Nikki 
math
The horizontal asymptotes of the curve y=12x/(x4+1)^(1/4)
asked by jin 
CHEMISTRY> HELP QUICK! pls
1. The rate of a chemical reaction may be defined as: a) The speed at which a molecule travels from point A to point B. b) The change in concentration of reactants or products per unit time. c) The change in concentration of reactant divided by change in
asked by Lucinda 
Math
Im learning factorization and I have to solve for this: 5g to the squared power  13g + 6 = 0 how should i do it?
asked by MARIANNE 
math
The base of a rectangle is 2cm greater than its height. Find the base and the height of the parallelogram if the area of the parallelogram is 120 cm2. Can this be shown as a quadratic and factored?
asked by MARIANNE 
calculus
The circumference of a sphere was measured to be 78.000 cm with a possible error of 0.50000 cm. Use linear approximation to estimate the maximum error in the calculated surface area. Estimate the relative error in the calculated surface area.
asked by jin 
english
words Curt, Demoralize, dilemma,inclination, irate, retort, sabotage, subsequent, wary,zeal if my carpets need cleaning or i want a new cellphone plan. I will do some comparison shopping first. I am not likely to buy anything suddenly just because a
asked by Jae 
geometry
how do you unfoil 3xsquared+5x2=0?
asked by mic 
US History Help!
For the quote "remember the Maine" who said this? Was it the Americans? I can't find what the significance of the quote was in illumating a theme in history?
asked by Amy~ 
G.A
What is the answer to the brainteaser NOMMAG
asked by David 
Math  number of solution
Determine the number of solutions for the system without solving. 3x+12y=27 4x+2y=34
asked by Shaila 
Math
the volume of fort peck dam is 96,000 X 1,000 m3. Suppose the state of Montana decides to increase the volume of the dam. After the improvements, fort peck will hold 10 times as many cubic meters will fort peck hold after the improvemts?
asked by QUESTION 
mgt 330
General environment – how will the forces be changing over the next three years and how will these forces impact the industry (for example, demographics – aging population)?
asked by kevin 
Math (Pre Cal)
Hi, I am studying for a precalculus quiz and I do not understand this hw problem: "The tangent line to a circle may be defined as the point that intersects a circle in a single point... If the equation of the circle is x^2+y^2=r^2 and the equation of the
asked by Dealie 
English
"Athena" is an eponym and "athenian" a toponym, but is there also a "nym" for "Athens"?
asked by E.G. 
physic
A spring (80 {\rm N/m}) has an equilibrium length of 1.00 {\rm m}. The spring is compressed to a length of 0.50 {\rm m} and a mass of 2.1 {\rm kg} is placed at its free end on a frictionless slope which makes an angle of 41 ^\circ with respect to the
asked by fatiey 
physic
A spring (80 {\rm N/m}) has an equilibrium length of 1.00 {\rm m}. The spring is compressed to a length of 0.50 {\rm m} and a mass of 2.1 {\rm kg} is placed at its free end on a frictionless slope which makes an angle of 41 ^\circ with respect to the
asked by fatiey 
history
For the quote "Remember the Maine" I went on a lot of websites and most of the websites said that "remember the Maine" was said by Americans. I can't seem to find what the meaning of the quote was. Did people say it when they wanted to go to war with
asked by Amy~ 
Child Psychology
The first disorder unique to children and adolescents was A. !@#$%^&ory insanity B. mental retardation C. moral insanity D. depression
asked by Anonymous 2 
SOC
Why do you think it was easy for the military in the Third World to take over their governments?
asked by John 
health services
A firm's owners' equity at the start of the year is $700,000. During the year, the firm earned $500,000 in revenue and incurred $400,000 in expenses, what would be the balance in equity at the end of the year.
asked by monica 
history
I kind of don't understand what this means: transformed the social fabric of the United States and countries around the world
asked by Amy~ 
TV
Remember the United States DTV transition last year? There is a possibility that all standarddefinition televisions will not be sold and will be replaced by HDTV televisions, right?
asked by AL 92 
Sociology of Developing Countries
What are some key ways to ensure the armed forces of a Third World Country does not attempt a coup to take over the political system?
asked by Henry 
history.
another question for "government is not the solution to our problem, Government is the problem" would the significance of this quote in illuminating a theme in US history be: that people shouldn't rely on the government? Sorry, I might have two more
asked by Amy~ 
algebra 1
What is the area of a square with the dimension of 1+square root of 2? I'm thinking 3+2*square root of 2? *=times
asked by Lily 
algebra 1
Simplify:2 square root of 4 + 2 square root of 8? 4+4 square root of 2?
asked by Lily 
statistics
A simple random sample of 25 has been collected from a normally distributed population for which it is known that 17.0. The saMPLE MEAN HAS BEEN CALCULATED AS 342.0 AND THE sample standard deviation s=14.9. Construct and interpret the 95% and 99%
asked by Deborah 
algebra and trigonometry
if 9
asked by taylor 
Law and ethics in allied health
Licensing laws allow states to
asked by Brooke 
coding
During the month of july, the following medicare patients were discharged from hospital B, Using appendix B,calculate the case mix for the following 2 PTMSDRG 100 2 PTMSDRG 460 1 PTMSDRG 066 3 PTMSDRG 740
asked by kivi 
Physics
for imcomplete cancellation to occur, opposite pulses must have?
asked by Kathryn 
Chemistry
An NMR spectrum of fumaric acid in acetone was run. The following results were obtained: 1 sharp peak with 5 splittings at around 2 ppm (belonging to acetone) 1 broad peak at 3.789 ppm (integration 0.63) 1 sharp peak at 6.779 ppm (integration 1.00)
asked by Alan 
Algebra II
Describe the end behavior of the graph of the polynomial function by completing these statements: f(x)→? as x→∞ and f(x)→? as x→+∞. 1. f(x)=(x^2)+1 2. f(x)==10x^3
asked by Riley 
math
x^41/x^3=0
asked by kelly 
English Essay Title
What would a good essay title be if I'm writing an essay about a character in a book who is torn between two conflicting forces?
asked by Ethan 
History
How did human history in North America during the period described in the Prologue (13th and 14th centuries) differ from the events of Asia, Eurasia, and Europe? Be specific How were these differences important to the international state of affairs in 1450
asked by Rebecca 
college
Discuss the role of advertising in product differentiation and the intent of advertising in altering the firm’s demand curve
asked by Anonymous 
finance
Th e First National Bank of Great Falls is considering a leveraged lease agreement involving some mining equipment with the Big Sky Mining Corporation. Th e bank (40 percent tax bracket) will be the lessor; the mining company, the lessee (0 percent tax
asked by Anonymous 
Math Intesection of a plane and line
Does the line [x,y,z]=[5,9,3]+k[1,12,2] intersect the plane [x,y,z]=[4,15,8]+s[1,3,1]+t[2,3,1]? If so, how many solutions are there? ( I tried finding the normal vector, there after finding the "d" value to write in scalar equation, and once it is in
asked by Shaila 
Math  distance b etween a line and plane
Find the distance between the parallel line and the plane. line: vector r = [2,0,1]+t[1,4,1] plane: 2xy+2z=4
asked by Shaila 
Math  distances between two planes
Find the distances between planes. plane 1: 2xyz1=0 plane 2: 2xyz4=0
asked by Shaila 
business math 205
problem using the amount of aluminum cans that needs to collected to reach enough money to purchase a shoes. money will not be a factor in this problem but how much cans need to be collected to turn into money will be. heather required to come with a 25%
asked by yehleen 
mat115
A pack of 250 key blanks costs $23.50. What is the unit price? I know that this is .094 but I am having trouble with the remaining 2 parts. If each cut key costs a customer $1.75, and it takes 2 minutes for Darren to cut a key, how much does Darren make
asked by Gina 
Math
Solve the following equation. 4.7 = 1.13x^2 Do i square root the 1.13x^2 first? or divide both sides by 1.13?
asked by Jack 
AP Biology
What are the four basic levels of ecological study, and what is the focus of inquiry at each of these levels? I don't know what it's asking to start with and can't find anything relevant online, in my textbook or in my study guide! Since it says levels, I
asked by Jason 
Chemistry
I did a lab in chemistry about weighing table salt and sand and mixing it with water and pouring it through a funnel. One of my lab quetions was, What are some possible sources of error in this activity? First of all, I don't know what this question means.
asked by Jennifer 
U.S. statistics
What is the least populated state in the United States today? My best guesses would be Rhode Island, Alaska, or Hawaii.
asked by AL 92 
let's try this again  precal
Write a formula for converting hours, starting with midnight as zero, to a decimal number of degrees. Assume that a full day equals 360º, 60 minutes equals one hour, and 60 seconds equals one minute. Use x, y, and z to represent hours, minutes, and
asked by Anonymous 
bio
What are the four basic levels of ecological study, and what is the focus of inquiry at each of these levels? I don't know what it's asking to start with and can't find anything relevant online, in my textbook or in my study guide! Since it says levels, I
asked by Jason 
math
If a rock is thrown upward on the planet Mercury with a velocity of 11 m/s, its height in meters t seconds later is given by y = 11t  1.86t sqaure a : Find the average velocity over the given time intervals: [1, 2] , [1, 1.5] , [1, 1.1] , [1, 1.01] [1,
asked by Anonymous 
The Question that was not answered. (twice)
What are the four basic levels of ecological study, and what is the focus of inquiry at each of these levels? I don't know what it's asking to start with and can't find anything relevant online, in my textbook or in my study guide! Since it says levels, I
asked by Jason 
PreCalc
Find the amount of time required to double a dollar investment at 7.72%, if the interest is compounded continuously. 4.49 years 8.98 years 17.96 years I'm not understanding this, I got 3.9 years when I tried to solve this.
asked by Anonymous 
criminal justice
Make up a federal case against a fictitious criminal offender. Use your knowledge to develop the circumstances and details that would be involved. In your assignment, provide a description of the criminal offender, including the type of crime committed and
asked by shenika francis 
English
After having studied all the sites suggested by Sra and Writeacher, I have found, that "eponym", as well as "toponym", has two definitions. EPONYM: 1) a name from which another name or word is derived. 2)a word derived from a person. This would make both,
asked by E.G. 
STATISTICS
Can a ANOVA be compared to a blood test?
asked by JT 
math
please check my answer. each test is worth 100 points. the following test have been taken and earned 91, 90, 93. for a total of 360 points to earn an A, what grade should be made on the final test to earn an A
asked by Kallie 
algebra 1 again
Simplify: 2 square root of 4 + square root of 4. 3 square root of 4?
asked by Lily 
algebra 1
This has a fraction in it. Simplify: numerator is 5 square root of 4 times square root of 8. Denominator is square root of 8 times square root of 2. 5 square root of 2?
asked by Lily 
Calculus disaster
Uranium ore has two main isotopes, mostly U238 with just a trace amount of U235. In a sample of Uranium ore, 99.85% of the atoms are U238 atoms and 0.15% are U235 atoms. Before the Uranium can be used in a nuclear power plant, the proportion of U235
asked by Amanda 
algebra1
3(61/4) ans. 3/4?
asked by alanaR. 
sci/241
o What steps may people take to ensure they do not become dehydrated?
asked by Anonymous 
algebra1
the dow jones industrial average (DJIA) reports the average prices of stocks for 30 companies. use the table to determine the DJIA for two dAys. DJIA 1987 ___________________ FRIDAY, OCT. 16  108.35 mONDAY, oct 19  507.99 answer is 399.64?
asked by alanaR. 
precal
Solve for x 10^x/10 = (0.01)^1/3 A.) x = 2 B.) x = 1/3 C.) x = 2/3 None of those seem to fit when plugged in.
asked by Anonymous 
math
x^41/x^3=0
asked by mathew 
TESOL
Give at least 2 teaching ideas (suitable for the Activate stage of a lesson) for each of the tenses below and give examples of sentences that you would expect your students to produce:
asked by VOWER 
US History
the significance in illuminating a theme of "Free trade and sailors' rights" I've looked at websites but I can't think of the significance
asked by Amy~ 
math
what is the volume in cubic inches of a cylinder that has a height of 10 inches abs a radius of 5 inches
asked by Anonymous 
latin
case indicator: italia est paeninsul
asked by eyasu 
precalc
Using the formula T= 15(x+y/60+z/3600), give the equivalent degree for 3:30 am
asked by Anonymous 
math
A sprinkler has a range of 11m and rotates with a circular motion. If the sprinkler covers the entire circular area, how many square meters does it cover?
asked by Anonymous 
math
Suppose that an oil storage tank is 10 m wide and 10 m high. How many kiloliters of oil can it hold?
asked by Anonymous 
Math(Please check)
Divide 5x^4  3x^2 + 8x + 6 by x^2 + 8 My answer was 5x^2  43 with a remainder of 8x  338. Is this correct?
asked by Hannah 
math
18.Ms. Jones has a garden plot that measures 40ftX 20ft If she increases the garden by 4 ft on each side, by what percent has she increased the plot? 19. A cylindrical can of cleaner holds 1 L of liquid. What is its height if the diameter of the base is 10
asked by Anonymous 
CHEMISTRY> HELP QUICK! pls
1. What is the amount of oxalate in 2 mL of 0.035M solution? a) 7 ¡Á 10¨C2 mole b) 1.75 ¡Á 10¨C2 mole c) 7 ¡Á 10¨C5 mole d) 1.75 ¡Á 10¨C5 mole 2. Sodium oxalate may be prepared by titrating oxalic acid (C2H2O4) with sodium hydroxide, according
asked by Lucinda 
biochemistry
The Rgroup of histidine is a weak base with a pKb of 6.0. Calculate the percent ionization at pH 7.4. What is the net charge of the following amino acids (single letter codes used) at pH7.4? Glycine Serine Glutamic Acid Lysine Please help. I'm not sure
asked by Angel 
English
I need to find the present progressive teses of the words lie, lay,awake
asked by Megan 
Algebra
the perimeter of a rectangle is 112 inches. The length exceeds the width by 50 inches and width.
asked by Norma 
Home economics
You're likely to encounter formal service in all the following setting except which one? A. A gourmet restarant B. A wedding C. A church outing D. A dinner party
asked by amanda 
Psychology
A school counselor tests the level of depression in fourth graders in a particular class of 20 students. The counselor wants to know whether the kind of students in this class differs from that of fourth graders in general at her school. On the test, a
asked by Anonymous 
math
please check my answer. each test is worth 100 points. the following test have been taken and earned 91, 90, 93. for a total of 360 points to earn an A, what grade should be made on the final test to earn an A my answer is 91.5
asked by Kallie 
Algebra 1
I am trying to find the solution for y9>17 and I don't know where to start. i have been out of school for nearly 30 years and none of the info makes any sense. please help..thanks
asked by Amanda R 
english
write five sentences about the role of education in successful financial planning, in which you correctly use a different verb tense in each sentence.
asked by Anonymous 
math
find the range of the function. g(x) = 5 + (square root of) (4  x) please show all steps.
asked by Jack 
calculus
se differential, i.e., linear approximation, to approximate (8.4)^(1/3) as follows: Let f(x)=(x )^(1/3). The linear approximation to f(x) at x=8 can be written in the form y=mx+b where m is: and where b is: Using this, we find our approximation for
asked by jin 
accounting
Unit 1 Individual Project Deliverable Length: 2 to 3 pages Details: You have been asked to speak at a career fair for high school students in your home town. Specifically, you are making a presentation about your role as an accountant. •Describe for the
asked by Anonymous 
psychology
How has early memory research concerning the growth of cognitive perspectives in psychology changed over the course of the 20th century?
asked by Anna 
Environmental Science
What are the sources of sulfuric acid (H2SO4)?
asked by michelle 
chem( buffers)
Does water have a high buffering capacity? Why is it important to know it buffering capacity of water?
asked by lou 
precal
Write a formula for converting hours, starting with midnight as zero, to a decimal number of degrees. Assume that a full day equals 360º, 60 minutes equals one hour, and 60 seconds equals one minute. Use x, y, and z to represent hours, minutes, and
asked by Anonymous 
geometry
solve for x: 3xsquared+5x=2
asked by mic 
Environmental Science
what are the health and environmental effects of sulfuric acid (H2SO4)?
asked by michelle 
10th grade
3x2x=7x
asked by stacey 
mgt 330
List at least three reasons why workers might be more satisfied with their jobs than in the past. List at least one reason why you think workers may be more motivated by job security rather than salary and benefits in difficult economic times
asked by kevin 
Math  Solving Linear systems
Solve the linear system in two space [x,y] = [12,7] + s[8,5] [x,y] = [2,1] + t[3,2]
asked by Shaila 
Math  interection of two lines
Determine if L1 [x,y,z]=[4,3,2]+t[1,8,3] and L2 [x,y,z]=[2,19,8]+s[4,5,9] intersect
asked by Shaila 
english
summary from sonnets
asked by sonnets 
English
On summer vacation, I went to Spo1 Park. I went there by car. In the swimming pool of Spo1 Park, I enjoyed swimming and learned how to swim on my back (how to swim the backstroke, how to do the backstroke). It was not easy to swim on the back. I always
asked by rfvv 
English
1. She has a watch made in Switzerland. 2. She has a watch which is made in Switzerland. 3. She has a watch which was made in Switzerland. 4. She has a watch which has been made in Switzerland. 5. She has a watch having made in Switzerland. (What does #1
asked by rfvv 
geometry
how do you solve for x and y? 3x2(y+2)=6 4(x+1)y=7
asked by mic 
accounting
How can we determine if the adjusted entries are correct?
asked by Cindy 
Math
need help in identifying the y intercept for 2y+5=2. my ordered pairs are (0,4) and (6,2). I am visually impaired when it come to trying to see the tics. Thanks Bill
asked by Bill 
calculus help please
Find the points where the tangent line is horizontal or vertical. Find the area under one period of the curve. x= r(deta  cos deta) Y= r(1 sin deta) deta= pie/3
asked by stan 
mgt 450
could some one help me provide an example of an industry or company that has changed its strategy over time as environmental factors such as technology, competition, and consumer preferences have changed. Explain the changes in environment and in the
asked by meshelle 
mgt330
List at least one reason why you think workers may be more motivated by job security rather than salary and benefits in difficult economic times.
asked by kevin 
Basic Math 115
The United States emitted 19.5 millions of nitrogen oxides (no) into the atmosphere in 1987. One metric ton equals 1,000 kg. How many kilograms of No were emitted to the atmoshere in the United Stated during 1987?
asked by Sharon 
History
Hello everybody,Please I need help with answers to this questions. I will appreciate all assistance toward solving this problem? Question 1 Which words best describe the common features of artistic and intellectual work in the interwar period?
asked by Adesuwa 
History Check
Was Thomas Jefferson the person who said this: "We the people of the United States, in order to form a more perfect Union . . . " ? Just making sure
asked by Amy~ 
conformity paper
Just to say first im not wanting anyone to write my paper for me. I have to write an english paper about non conformity and conformity. I already have a load of information but Im looking for a little more. directions:observe conformity as it exists in
asked by Maryanne 
Math
Which of the following properties do not change under a size transformation? Explain how you can be sure of your answers. a. Distance between points b. Angle measure c. Parallelism; that is, if two lines are parallel to each other, then their images are
asked by Kirk 
math
please help. graph the equation and identify the yintercept for 2y5x=2 in ordered pairs
asked by Susan 
history
Also would anyone know to whom Eleanor Roodevelt was speaking to when she said "No one can make you feel inferior without your consent"? was it aimed at a certain group of Americans? to activists?
asked by Amy~