Questions Asked on
October 14, 2008

  1. math

    how do I figure ou this answer? Jess say's the square of the sum of 17 plus some number will equal his mother's age squared. If jess' mother's age squared is 2209, what number must be used to make the equation true?

    asked by sarah
  2. precal

    Create a rational function that has a polynomial function that is similar. The rational function must have a vertical asymptote. thanks for any help.

    asked by anon
  3. Capstone Discussion Question

    Post your response to the following: If you were an environmental researcher and were given funding to assist with one environmental issue, which of the following topics would you choose to spend your funds on? o Human population o Atmospheric pollution o

    asked by linda
  4. Math

    Using only addition and subtraction, without changing the order of the digits, and having just three operations, form an equation out of 123456789 that equals 100.

    asked by Jake
  5. Grade 12 Physics

    Well, my final question before the big test, but this is messing me up in various assignment questions (rrrr). How do you find the magnitude of an object when friction is negligible? What is the actual definition of magnitude? I didn't take Physics 11, and

    asked by solexgirl12
  6. physics

    calculate the redshift gh/c^2 if h is the distance from the ground to a satellite in low-Earth orbit, 300km. Suppose the "light" is actually a radio wave with a frequency of 10^11 Hz. How many cycles would the transmitter emit if it ran for one day? How

    asked by Toy
  7. chem

    Explain why ethanol and acetone are not suitable solvents for extracting organic compounds from aqueous solutions. does it have to do with their density?

    asked by Jason
  8. physics

    A box weighing 100 newtons is pushed up an inclined plane that is 5 meters long. It takes a force of 75 newtons to push it to the top,which has a height of 3 meters. What is the efficiency?

    asked by chris
  9. Math

    Hi! im looking to find relationships between sets of polygonal numbers. I have found a few through the use of finite differences, (a relationship occurs between the formula to determine the polygonal number). I have also found that the 2nd derivative of

    asked by Bob
  10. essay research physcology

    hi, i'm writing an essay on deja vu and i'm researching right now. So i'm trying to find other phenomena similar to deja vu. so far, i found something called "jamais vu", "tip of the tongue"(presque vu), and the "l'esprite de l'escalier" Are there more

    asked by jen
  11. Accounting

    Interest on a $20000 one-year 10 percent note payable dated October 1 2007 was not recorded. The 10 percent interest is payable on the maturity date of the noteWhat is the interest income

    asked by Maddie
  12. Science

    Could you please explain "total internal reflection" in simple terms (suitable for a 12/13 yr old.

    asked by Jane
  13. Chemistry - Batteries

    Can someone please help me with finding a website which gives me information on the environmental problems involving the disposal of batteries? I've found the little section on section on Wikipedia, but it's sufficient to write a paragraph in my essay.

    asked by TK
  14. statistics

    Is there a significant difference between the average internet usage of persons aged less than or equal to 40 and those aged over 40? ( data i have is age and internet usage)

    asked by lolo
  15. green hills

    number sense what number is 10,000 less than 337,676

    asked by tarek
  16. chem

    what are some of the factors that affect melting point besides, impurities, pressure, and having a wet solution?

    asked by Jason
  17. sociology

    hello, i hve got a sociology question.The question is that 'Assess how much social mobility is there in the Britain".It is a question of 8 marks. Answer;Social mobility is the term used to describe the movement up or down ine the social hierarchy during

    asked by celly
  18. jewelry

    I have a bracelet with the following stamped on it. A five point star followed by 843 AR. any ideas?

    asked by ken
  19. chemistry

    similarities and differences between a colloid and suspension

    asked by mica
  20. chem

    when two layers form during an ether/water extraction, what would be an easy, convenient way to tell which layer is which if the densities were not available?

    asked by Jason
  21. chemistry

    what happens when a acid is added to a carbonate

    asked by luke cooper
  22. Health Information

    Dr. Jones runs a rehab facility and is treating a psychotic drug user. The patient suddenly abandons the facility, leaving a note that he plans to kill his ex-wife today. The patient has left behind his antipsychotic medicine that he must take every two

    asked by Mary
  23. Enlish-College

    Why could one say that "Shall I Compare Thee to a Summer's Day"? presents contrast rather than comparison? The poem I am referencing in quotations is by Shakespeare.

    asked by Pam
  24. material retention

    Will you please suggest a few sites or exercises for retention. I've been out of school 20 years. In the office, we use Excel. I am passing the problem quizes and exams but NEED help with vocabulary. I simply can not remember.

    asked by Pam
  25. science... biology..

    heyy ..love the websitee u don't have the definition for cell wall ..

    asked by kristenn
  26. Social Studies

    Should the government of Canada pass legislation to expand worker involvement in the decision-making process to answer the three basic economic questions- what to produce? How to produce it? Who gets what share of the production?

    asked by Anonymous
  27. math

    How do I write 5e^(-2j) in real and imaginary forms?

    asked by steve
  28. biology

    what types of stimuli can cause the gates on ion channels to open and close?

    asked by Anonymous
  29. English-College

    I guess I don't understand the question(why the quote presents contrast rather than comparison) my book is asking. I'm new to this poetry thing, please help!

    asked by Pam
  30. HRM215

    How did the problems at Deloitte & Touche occur in the first place? Did their changes fix the underlying problems? Explain. What other advice would you give their managers?

    asked by Carla
  31. human resources

    Is the US better able to compete globally because of its diverse population

    asked by China
  32. reports/writing

    Im trying to write an paper on why college students don't vote. Where can i find information on college students not voting?

    asked by Bryan
  33. Precalc

    Hello, good afternoon. I need help with my precalc hw. we are learning about finding zeros I don't which method I should use for this problem: if i is a zero of x^3+3x^2+ix+(4+i) what do i do? synthetic divison? or long division? when i did long division i

    asked by Samya
  34. Precalc, i really don't get my hw

    how do i do this? factor x^4-x^2-20 over real and complex numbers I tried to do synthetic, but it doesnt work.=(

    asked by Samya
  35. Physics

    What is the gravitational field strength at a place 220km above Earth's surface, the altitude of many piloted space flights?

    asked by Bobbie
  36. 5th grade

    i need some help and answers... research... suggestions for this Q: how have the enviromental issues changed over time? please answer. i need help for a report. ive got more but first i gotta find this 1.

    asked by it
  37. politics

    do you know information on Borak Obama?

    asked by Double T
  38. Math

    Find the total of 3.7, 1.7, 0.8

    asked by Rikki
  39. Math

    Find the cost of 100g of rice at 95p per Kilogram.

    asked by Rikki
  40. Math

    Share £2.oo exactly amongst 8 children, how much would each of them get.

    asked by Rikki
  41. Math

    2.3 litres is equal to how much millilitre.

    asked by Rikki
  42. math

    what two numbers equal 264 and 364?

    asked by Aj
  43. English(Grammar)

    Why do the presidents use balanced parallel structure in their speeches( esp. inaugration speeches)? "The answer should not be to make their speech interesting" Plz help!

    asked by Anonymous
  44. 5th grade

    What is chromatography in relation to color and light?

    asked by Julia
  45. accounting

    Victor has two employees who each get paid $150/day. December 31st is a Wednesday. These two employees will not be paid until Friday, January 2nd. How much do i debit to salary expense and how much do i credit to salary payable?

    asked by jess
  46. wilbur wright

    The electricity costs of a business increased from $18,000 one year to $19,000 the next. To the nearest whole percent, what was the percent increase?

    asked by Anonymous
  47. accounting

    On Dec 28th Victor received the Utility bill for the month of December. He has not yet paid it but plans to pay it on January 5th. It was for $280. What do i debit and credit to utility expense and utilities?

    asked by jess
  48. us history

    what lasting influence did Thomas Jefferson have upon the American political traditions Hi i need a lot lot lot of information please please help me.

    asked by adam
  49. P.E

    Whats A planet

    asked by Dolly
  50. Criminal Justice

    Where can I find information about the effect of DNA on the legal landscape and law enforcement?

    asked by Nicky
  51. 8 th Grade

    what is a bear?

    asked by Dolly
  52. wilbur

    The electricity costs of a business increased from $18,000 one year to $19,000 the next. To the nearest whole percent, what was the percent increase?

    asked by Anonymous
  53. Math

    Probability -if desks are grouped by 4 and if there are 11 boys and 13 girls in a class what is the probability that I will get placed in a group of all girls?

    asked by Olivia
  54. Physics

    How do I explain WHY centripetal force is directly proportional to frequency squared...not relying on information based on the graph of Fc vs F squared solely thanks

    asked by sarah
  55. precalc

    how do u solve for this? sqrt(-10i+12)

    asked by Samya
  56. 7th grade

    Do you need to capitalize the name of the stars? for example: clearly visible in the sky overhead were the big dipper, small dipper, and the north star.

    asked by Jen
  57. Chemistry

    If a hydrate of the formula MCl * xH2O decomposes when heated to produce HCL, what change would you expect to occur when a piece of litmus paper is held in the path of the vapor released?

    asked by Chloe
  58. algebra!

    s=1/3x + 4 solve each equation for x.

    asked by stacy :]
  59. science

    What the the primary consumers in the desert biome

    asked by Dom
  60. human resources

    What are the pros & cons of having a more diverse workforce

    asked by China
  61. Math

    Given the function f(x)=2x^2 - 4x What is the orientation, vertex, axis of symmetry equation, and x & y intercepts.

    asked by Keisha
  62. Math

    How do I find the difference quotient f(x)=2x^2-4x

    asked by Sanya
  63. social studies

    how can an elevation map help you learn about geography

    asked by blaise
  64. math

    How do you solve a division problem using subtraction? (3rd grade math)

    asked by joy
  65. reed

    A college bookstore ordered 425 copies of a textbook at a cost of $22,525. What was the cost to the store for an individual textbook?

    asked by Anonymous
  66. 8th grade

    I need a fable to copy.

    asked by Collin
  67. Math

    ROUNDING TO THE NEAREST THOUSND

    asked by Selena G
  68. ecology

    How does carbon end up in the ground? How does carbon enter the food chain

    asked by becca
  69. criminal justice

    Community: Explain the community’s role by highlighting 2 to 3 community-based programs in your area or state I do not understand what my teacher means by community based programs.

    asked by jscott1
  70. Mathematics

    Hi there, Can someone help me with the question: "Prove that the value of 7sinx +3cos2x cannot be greater than 5/1/24 for all values of x between 0 degrees and 360 degrees" Thanks lots. =) I've already simplified 7sinx + 3cos2x into (2sinx-3)(3sinx+1).

    asked by Joshua
  71. math

    Find all the numbers between 1 and 1000 that have 2 their only prime factor? I can't do it alone some help me!!!!!!!!!!!

    asked by kim
  72. homework help site

    I used a site last year where you get an account and can ask questions on an online forum from like 5 to 9 everyweeknight. All that i remember is that it was like (four random letters). org/com. Also it was a site for Canadians. Like Canadian Homework

    asked by Anonymous
  73. Statistics

    A box contains five red, three blue, and two white poker chips. Two are selected without replacement. For example, BR is a possible outcome representing the first is blue and the second is a red. BR and RB are different outcomes. a. list the sample space.

    asked by Brandon
  74. english

    What is the difference between a play and prose fiction? (at least three)

    asked by laurel
  75. world Geo

    What part of a map tells the relationship of distanceon the Earth? I'm thinking the answer is the scale,some of the scales shows miles and killometers... I think i am right but I'm not sure of it.

    asked by Carly
  76. English

    My word is "dynamite" which has two meanings. 1)n. a powerful explosive made by soaking nitroglycerin in some absorbent, such as ammonium nitrate and wood pulp. 2)adj. outstanding, very exciting. My question is - name the part of speech given in the first

    asked by Tiara
  77. calculus

    Find the points on the curve y = 2x^3 + 3x^2 - 12x + 1 where the tangent is horizontal

    asked by Samuel
  78. English

    Where in a script will one find the necessary info for character development?

    asked by Nuna
  79. ALGEBRA

    need help x(to the second power -don't know how to type it on the computer)-7x-30=0 I know the factors are 10 & 3, but I don't know how to write the equation/expression

    asked by Rose
  80. accounting 250

    help with problems that might occur when balance statement is incorrect

    asked by Axia
  81. Liberal Arts?

    I'm in middle school, my sister, (Senior in hs) keeps telling me that she wants to go into liberal arts, but doesnt now what yet. what are liberal arts? What careers associate with a liberal arts major or something?

    asked by Faith
  82. US History- Revolutionary War

    We have a test on the revolutionary war, as teacher what are the main topics of the rev war i should focus on? main battles/ people? thanks so much!

    asked by Evan
  83. Language Arts/English

    My word is "dynamite" which has two meanings. 1)n. a powerful explosive made by soaking nitroglycerin in some absorbent, such as ammonium nitrate and wood pulp. 2)adj. outstanding, very exciting. My question is - name the part of speech given in the first

    asked by Tiara
  84. World Geo

    Name the south American country with the capital city LA PAZ.

    asked by Carly
  85. 4th grade Language Arts

    I need to know an example of a metaphor. We need to make a metaphor out of this sentence "Pablo sniffed the air."

    asked by Megan
  86. world Geo

    the island Bermuda is a colony of what nation? And What is the capital of alaska?

    asked by Carly
  87. Studying tactics

    Hi, I'm a senior in hs. my AP US history (2) teacher gives us ridiculously specific questions on our test. I read the chapter over and over again like 4 times and I still end up getting a 60% how can I improve my studying strategies? thanks!! Doris

    asked by Doris
  88. calculus

    Find equations of the tangent line and normal line to the curve at the given point. y = x^4 + 2e^x, (0,2)

    asked by Vishnu
  89. Science (Genetics)

    In children, whose eye color (mom or dad) do they inherit more often? I know it all depends on which color is dominant, but in all [as in statistics in the US], is there any place where I can find this information? Thanks!

    asked by Mariz
  90. Language Arts/English

    My word is "dynamite" which has two meanings. 1)n. a powerful explosive made by soaking nitroglycerin in some absorbent, such as ammonium nitrate and wood pulp. 2)adj. outstanding, very exciting. My question is - Which syllable receives the primary accent?

    asked by Tiara
  91. calculus

    Find the first and second derivatives of the function. h(x) = sqrt x^2 + 1

    asked by Vishnu
  92. calculus

    Please find the Derivative of the function y =sec^2x + tan^2x

    asked by Vishnu
  93. calculus

    Find an equation of the tangent line to the curve at the given point y = x + cosx, (0,1)

    asked by Vishnu
  94. calculus

    Prove that d/dx(cot x)= -csc^2x

    asked by Meghan
  95. Physics

    A 54 kg box is being pushed a distance of 7.0 m across the floor by a force P whose magnitude is 153 N. The force P is parallel to the displacement of the box. The coefficient of kinetic friction is 0.25. Determine the work done on the box by frictonal

    asked by Brandon
  96. Math

    Two positive integers are in ratio 1:3. If their sum is added to their product, the result is 224. Find the integers. On my own, I came up with the formula 224 = x + 3 x + 3x^2 but it's not really working out. Could someone please help me?

    asked by Isobelle
  97. socialstudies

    which inventions of the sumerians do you think have a impact on them

    asked by lauryn
  98. Physics

    determine the distance from earths centre where the force of gravity acting on a space probe is only 11% of the force acting on the same probe at earths surface. Express your answer in terms of earths radius, rE

    asked by Bobbie
  99. Physics

    A 54 kg box is being pushed a distance of 7.0 m across the floor by a force P whose magnitude is 153 N. The force P is parallel to the displacement of the box. The coefficient of kinetic friction is 0.25. Determine the work done on the box by FRICTIONAL

    asked by Brandon
  100. social.......urgnt plz.........

    can anyone tell me any one place of the ancient greece.....and what were its movements?? and what comes under human - envorinment interaction??? plz........help

    asked by Anonymous
  101. english

    a place where goods are manufactured is called a what?

    asked by mark
  102. 8th grade

    c (circumference) c=pie d where d is the diameter. How do i find d to the nearest hundredth when c=39cm? and i have to solve the formula C=pie d for d.

    asked by tito
  103. ALGEBRA

    does anyone know the answer to this. i cant get it If mickey mouse has 4 fingers what should. Mickey mouse should count most comfortably in what base?

    asked by GILL
  104. ecology

    how changes in the algae population willaffect living organisms?

    asked by Debra
  105. health care

    what is the most pressing issue in healthcare today?

    asked by april
  106. Math

    I have a math sheet for homework and most questions are similar to the following: Bob is making treat bags for his daughter's birthday party. he decided to use the recipe below for each bag. 1/3 cup peanuts 3/4 cup pretzels 1/5 cup raisins 2/3 cup popcorn

    asked by Bryan
  107. 6th grade

    what is an organism and how do i do a report on how to explain one

    asked by michelle
  108. 8th grade

    equation 1.5(8x)=300 It tells me to simplify the left side of the equation and solve. Can you help?

    asked by tito
  109. calculus

    Differentiate the function f(x) = 186.5

    asked by Meghan
  110. math

    This is an SAT prep question: There are 8 sections of seats in an auditorium. Each section contains at least 150 seats but not more than 200 seats. Which of the following could be the number of seats in this auditorium? A.) 800 B.)1,000 C.)1,100 D.)1,300

    asked by Stella
  111. US History Federalist papers Discussion question

    Do you think that one giant political party today would destroy America based on Madison's ideology of factions?

    asked by John
  112. Math

    How would you solve this using a chart? Rodney sold twice as many cars as Greg. In April, Rodney sold 5 fewer cars than he did in March, whereas Greg sold 3 more cars than he did in March. If they sold the same number of cars in April, how many cars did

    asked by Reina
  113. math 8th grade

    the volume of a box needs to be 500 cubic cm. if the bas has dim of 12.5 cm and 5 cm how high must the box be? I got 8 cm. Is this right? My work is 12.5/500=40 5/40=8 8 cm

    asked by tito
  114. Math

    Statistics. The following table gives the free throws attempted (FTA) and the free throws made (FTM) for the top five players in the NBA for a recent season. Calculate the free throw percentage for each player by writing the FTM over the FTA and converting

    asked by Amanda
  115. Physics

    A 5.0 104 kg space probe is traveling at a speed of 11000 m/s through deep space. Retrorockets are fired along the line of motion to reduce the probe's speed. The retrorockets generate a force of 4.5 105 N over a distance of 2600 km. What is the final

    asked by Brandon
  116. Federalist papers - discussion queston #2

    Did anyone notice how much Madison drew from theories of social and political Darwinism in Articles 10 and 51? Why do you think he drew these theories?

    asked by Anonymous
  117. Science

    Do I have the following stars in order from earliest in life cycle to oldest in life cycle? main-sequence red giant white dwarf

    asked by Tyler
  118. math

    write each decimal as a percent. 2.687 0.015 0.64 please help me with these!

    asked by Sushi
  119. social....help plz....

    what can be the movements of ancient greece>????

    asked by Anonymous
  120. Science

    Compare the size of the visible light spectrum with the size of the elctromagnectic spectrum?

    asked by Anonymous
  121. 7th grade

    If a man says he has three children who's ages are the product 36,the sum is the house number across the street and his oldest son loves chocolate cake,how old are the kids?

    asked by Reid
  122. AP World History

    i am so lost on how to write a thesis statement, i have to write a DBQ essay by tomorow comparing rome and han china technology!! i hate this she(teacher) turned every thesis i wrote for other essays :(

    asked by Daniela
  123. 7th grade math

    write each decimal as a percent. 2.687 0.015 0.64 please help me with these!

    asked by Sushi
  124. Physics

    why isn't it a good idea to spread salt on the road in really cold climates?

    asked by Isobelle
  125. Science

    Do I have these correct according to the H-R Diagram? Hot (blue stars) are on the left side of the modern H-R diagram bright stars are the top of modern H-R diagram cool (red) stars are the ride side side of modern H-R diagram dim stars are the bottom of

    asked by Tyler
  126. hel;p me......

    what can be the movement of ancient greece

    asked by Anonymous
  127. Science

    As they age, _________ stars move up and to the right on an H-R diagram? Is it the bright stars?

    asked by Tyler
  128. Science

    What is the temperature of the star Canopus on an h-r DIAGRAM?

    asked by Tyler
  129. science

    three statements that define all living things in terms of cells

    asked by katie
  130. writing

    What would you say to perusade your teacher that we should take one day per six weeks as a game day.

    asked by kaylin
  131. physics

    calculate the redshift gh/c^2 if h is the distance from the ground to a satellite in low-Earth orbit, 300km. Suppose the "light" is actually a radio wave with a frequency of 10^11 Hz. How many cycles would the transmitter emit if it ran for one day? How

    asked by Toy
  132. sCIENCE

    ON WHAt part of the HR diagram would the majority of the main-sequence stars be found? Is that the far corners or middle? There's also top half or bottom half, but I think it's far corners or the middle.

    asked by Tyler
  133. Science (Genetics)

    How many males in America have brown eyes, green eyes, and/or blue eyes?

    asked by Mariz
  134. History

    I need 2 write a paper on the Renaissance but i don't know what to put in my outline. can some1 give me an example,please? thank you.

    asked by Ian
  135. math

    l to a fraction - then simplify: 0.8

    asked by miyeko
  136. math

    The average of x and y is 5 and the average of x,y, and z is 8. What is the value of z? a. 19 b. 14 c. 13 D. 11 e. 3 I know that the average of 7 and 3 is 5 (if 7 and 3 are x and y) but I don't know what z is.

    asked by Mariah
  137. physics

    four forces act on a hot air ballon 356 N north 129 N west 297 N east 156 N south a)find the magnitude of the resultant force on the balloon. i already found this one out. i got magnitude to be 261.197N b) find the direction of the resultant force (in

    asked by Claudia
  138. grammar

    identify simple complete and compound subject and predicate

    asked by courtney
  139. physics

    A 45 kg skater is standing still in front of a wall. By pushing against the wall she propels herself backward with a velocity of -1.0 m/s. Her hands are in contact with the wall for 0.80 s. Ignore friction and wind resistance. Find the magnitude and

    asked by kb
  140. math

    how do i solve this equation -8c+1=-3

    asked by chris
  141. MGT

    i am really stuck big time here... Decision making is an important supervisory function and often a difficult one. the advantages and disadvantages of group decision making, and the differences between decision making and problem solving.

    asked by dawn
  142. physics

    A mine car, whose mass is 590 kg, rolls at a speed of 0.5 m/s on a horizontal track, as the drawing shows. A 150 kg chunk of coal has a speed of 0.95 m/s when it leaves the chute. Determine the velocity of the car/coal system after the coal has come to

    asked by kb
  143. trig

    for a tangent graph is one of the asymptotes AWLAYS at - pi/2 ?

    asked by meg
  144. Physics

    A rescue helicopter lifts a 65 kg person straight up by means of a cable. The person has an upward acceleration of 0.70 m/s2 and is lifted from rest through a distance of 13 m. (a) What is the tension in the cable? N (b) How much work is done by the

    asked by Brandon
  145. physiology

    Bleaching induces conformational changes in both retinene and the associated opsin. T or F I don't understand this bleaching process

    asked by anna
  146. Chemistry

    I am working on a problem that was posted January 20. Can someone help? I posted an answer to the problem requesting help.

    asked by amy
  147. physiology

    as ___________increases, the two-point threshold decreases a.receptor # b.receptor density (i think its this one) c.receptor sensitivity d.receptor sensation

    asked by anna
  148. language atrs

    A. singular possessive noun B. plural possessive noun C. singular possessive pronoun D. plural possessive pronoun E. singular verb F. incorrect usage G. singular noun H. plural noun tell me the answers for the following chose from the answers choices above

    asked by denver
  149. 7th grade

    Jasmine's quarters total $2.80 more than her nickels, of which she has half as many as she has dimes, which total 80 cents more than her quarters.

    asked by Jacob
  150. Precalculus

    How would you determine whether |y|= x^3 is symmetric with respect to the x-axis, y-axis, both, or neither. In my book it said to plug in (a,b) and to get an equation to compare the other ones to. So I got |b|= a^3. Then I plugged in (a,-b) to test the

    asked by Katie
  151. Math

    Covert 125 centimeters to yards.

    asked by Jasmine
  152. PHYSICS

    A molecule consists of two atoms. The atoms have masses of 17 u and 14 u and are 1.78e-10 m apart. How far from the first atom is the center of mass of the molecule?

    asked by kb
  153. College Algebra

    The value of the expression (4220 + 0.25 (x - 30,650) is the 2006 federal income tax for a single taxpayer with taxable income of x dollars, where x is over $30,650 but not over $74,200. Simplify the expression; Find the amount of tax for a single taxpayer

    asked by Bobbie
  154. college algebra

    Erin is a biology student. She heard that the number of times a cricket chirps in one minute can be used to find the temperature. In an experiment, she finds that a cricket chirps 40 times per minute when the temp. is 50 degrees(Fahrenheit) and 80 times

    asked by jenny
  155. calculus

    THe equation of motion of a particle is s = t^3 - 3t, where s is in meters and t is in seconds. Find (a) the velocity and acceleration as functions of t (b) the acceleration after 2 s, and (c) the acceleration when the velocity is 0

    asked by Frank
  156. calculus

    Find an equation of the tangent line to the curve at the given point. y = 3x^2 - x^3, (1,2)

    asked by Frank
  157. college algebra

    Find the time for two people working together to complete half a task if it takes them 8 hours and 10 hours to complete the entire task working individually.

    asked by jenny
  158. college algebra

    The number of motor vehicle deaths in the US was 49,391 in 1988 and 46,300 in 1990. If the trend stays the same, what will be the number of deaths in 2005? Thank you for any help!!!

    asked by jenny
  159. college chemistry

    I am having trouble deciding what formula to use for the following problem. Any help would be appreciated. Magnesium in flashbulbs burns according to the equation 2 Mg (s) + O2 (g) --> 2MgO (s) What mass of Mg combines with 5.80 L of O2 measured at STP?

    asked by Chris
  160. 12th grade physic

    Q. A satelite is in a circular orbit around the earth with a period of 6.0 hours. A retrorocket thruster is fired which slows the satelite down to half its speed and places it in a new orbit. G = 6.67 x 10 power of -11 N.m2/kg2 mass of earth = 5.98 x10

    asked by orange
  161. 12th Grade Physics

    Q. a 2.0 kg block is placed against a spring of force constant 800 N/m, which has been compressed 0.15m. The spring is released, and the block moves 1.2m along a horizontal surface with a coefficient of friction of 0.19. The block then slides up the

    asked by Ring
  162. english language arts

    this is what i got for the earlier qeustion 1)f 2)g 3)a 4)a 5)B 6)B 7)A 8)E 9)F 10)A 11)A 12)D 13)h 14)h 15)a 16))f 17)b 18)h 19)h 20)c 21)g 22)a 23)h 24)a 25)b 26)a 27)e 28)b 29)f 30)c 31)c 32)a 33)a 34)c 35)g 36)h 37)g 38)b 39)h 40)a

    asked by denver
  163. MATH

    THE FIRST LETTER IS M AND ALL THE VOWELS ARE IN PLACE. ZASMEZASIXP IP JUTI

    asked by KENNY
  164. Chemistry

    how many kilograms of NH3 are needed to produce 2.90x10^5kg of (NH4)2SO4? the balanced equation is: 2 NH3 + H2SO4 --> (NH4)2SO4

    asked by Kelly
  165. algebra

    The Berry's sold their house after paying the real estate agent a commission of 6% of the selling price and then paying $1,486 in other costs and $90,000 on the mortgage, they received $49,514. What was the selling price of the house? Solution: selling

    asked by Catina
  166. Chemistry

    how many kilograms of NH3 are needed to produce 2.90x10^5kg of (NH4)2SO4? the balanced equation is: 2 NH3 + H2SO4 --> (NH4)2SO4

    asked by Kelly
  167. calculus

    Differentiate the funciton H(x) = (x + x^-1)^3

    asked by Vishnu
  168. Physics

    Someone posted the question below, stating that they knew the answer to part A but needed help with part B. Well even with the answer for A, I can't figure it out! Can you take a step back from the question below to show me the steps for solving part A?

    asked by Anna
  169. calculus

    Differentitate the function y =4(pi)^2

    asked by Vishnu
  170. accounting

    Two owners contribute $100,000 in cash and receive 4,000 shares of stocks in the business. What do you debit/credit?

    asked by jordan
  171. calculus

    Find the derivative of y = (x^2 + 1)(x^3 + 1) in two ways: by using the Product Rule and by performing the multiplicatino first. Do your answers agree?

    asked by Adam
  172. math

    Describe a simple process for using rates and unit prices that might help someone who is having difficulty understanding these concepts

    asked by Sam
  173. accounting

    Each stock holder is paid $1,500 in cash dividends. But it doesn't say how many stock holders there are.

    asked by jordan
  174. College Physics

    A paratrooper w/ a fully loaded pack has a mass of 120kg. The force due to air resistance on him when falling w/ an unopened parachute has magnitude F(sub)d = bv^2, where b=0.14 N*s/m^2. a) if he is falling w/ an unopened parachute at 64m/s, whats is the

    asked by Jacqueline