Questions Asked on
October 15, 2007

  1. Chemistry

    Propose a method for determining the specific heat for a metal like sodium, which reacts with water.

    asked by M
  2. CHEM

    My balanced equation is: a) 2C8H18(g) + 25O2(g) -> 16CO2(g) + 18H2O(g) b) 0.290 mol of octane is allowed to react with 0.670mol of oxygen. Which is the limiting reactant? (((Which I found Oxygen to be the limiting reactant.))) I do not understant how to

    asked by K
  3. CHEM

    Aluminum reacts with chlorine gas to form aluminum chloride via the following reaction: 2Al(s) + 3Cl2(g) -> 2AlCl3(s) You are given 19.0g of aluminum and 24.0g of chlorine gas. a)If you had excess chlorine, how many moles of of aluminum chloride could be

    asked by K
  4. CHEM

    A scientist wants to make a solution of tribasic sodium phosphate,Na3PO4 , for a laboratory experiment. How many grams of Na3PO4 will be needed to produce 575mL of a solution that has a concentration of Na^+ ions of 1.40 M? Answer: mass of Na3PO4 = _____

    asked by K
  5. Chemistry

    Propose a method for determining the specific heat for a metal like sodium, which reacts with water.

    asked by M
  6. CHEM

    For the reaction shown, find the limiting reactant for each of the following initial amounts of reactants. 4Al(s) + 3O2(g) -> 2Al2O3(s) 4mol Al, 2.6mol O2? a) 4mol Al, b) 2.6mol O2. I seriously have no idea what they are asking! What do you do with the

    asked by K
  7. social studies

    What were the mummy-shaped figures that worked in the afterlife's fields for the mummy called?

    asked by Parker
  8. physics

    Two railroad cars, each of mass 6500kg and traveling 95km/h, collide head-on and come to rest. How much thermal energy is produced in this collision?

    asked by eddie
  9. AP PHYSICS..so lost

    An elevator and its load have a combined mass of 1550 kg. Find the tension in the supporting cable in Newtons when the elevator , originally moving downward at 11 m/s, is brought to rest with constant acceleration in a distance of 43 m.

    asked by Kristen
  10. physics

    Will check my work and help me with the last two problems please? A 4 kg ball has a momentum of 12 kg m/s. What is the ball's speed? -(12 kg/m/s) / 4kg=3m/s A ball is moving at 4 m/s and has a momentum of 48 kg m/s. What is the ball's mass? -(48kg/m/s) /

    asked by Soly
  11. Algebra

    please help me with this question and check my answers. Solve the problem. A rectangle with width 2x + 5 inches has an area of 2x4 + 9x3 - 12x2 - 79x - 60 square inches. Write a polynomial that represents its length. ( I don't know how to solve this

    asked by Maddy
  12. microeconomics

    Why do oligopolies exist? list five or six oligopoists whos products are owned or regurlarly purchased. What distinguishes an oligopoly from monopolistic competition. Explain why monopoistically copetitive firms frequently perfer non-price competition to

    asked by amanda
  13. biology

    In tomatoes, red fruit is dominant to yellow fruit color. A farmer has plants that produce either red or yellow tomatoes. he has signed a contract with a large seed company to provide pure red dees and pure yellow seeds. the do not want hybrids. How can

    asked by kelly
  14. Calculus

    Can anybody help me with this? Consider the surface xyz = 20. A. Find the unit normal vector to the surface at the point (1, 4, 5) with positive first coordinate. (___,___,___) B. Find the equation of the tangent plane to the surface at the given point.

    asked by Mike
  15. PLEASE help...i don't understand how to do this

    n tomatoes, red fruit is dominant to yellow fruit color. A farmer has plants that produce either red or yellow tomatoes. he has signed a contract with a large seed company to provide pure red seeds and pure yellow seeds. the do not want hybrids. How can

    asked by Kellie
  16. Language Arts

    I am in a verse chior group for oral language and I need an oral language peice that is up to 8th grade reading level. Any ideas?

    asked by NIKKI
  17. problem stats

    an instant lottery game gives you probability .02 of winning on any one play. Plays are indpendent of each other. If you play 5 times, what is the probability that you win at least once.

    asked by Kate
  18. science

    a 13 ohm resister has 0.050 A of current in it. What is the potential difference across the resistor?

    asked by j sapp
  19. Health, Psychology-Depression question

    I am doing a report about depression and I was looking for opinions. Do you believe depression is curable without prescription drugs?(can certain foods help, can depression just go away, etc. )I know some people do not want to take prescription drugs for

    asked by Camron
  20. physics

    A car is moving with constant velocity. Which of the following is true? a) the car travels the same distance in each second b) car's velocity increases by the same amount in each second c)car's velocity decreases by the same amount in each second d)car's

    asked by Tammy
  21. Physics

    An industrial laser is used to burn a hole through a piece of metal. The average density of the light is S = 1.22 109 W/m2. What is the rms value of each of the following fields in the electromagnetic wave emitted by the laser? (a) the electric field

    asked by Mary
  22. Physics

    what distance should you keep between you and the car in front of you if the traffic is moving at 65mph? Your reaction time is 1s, and both the cars can decelerate at the same rate. Include reasonable estimate for the length of the car (you don't want your

    asked by Tammy
  23. economics

    Suppose that the economy consists of two types of firms: type A firms which produce output using a technology Qa=Min(1/3K,L) and type B firms which produce output using a technology Qb=Min(1/2K,L). Type A output sells for $1.00, and type B sells for $.50.

    asked by jon
  24. Alegrba

    Please check my answers. Also, can I see some graphs of y-axis symmetry, orgin of symmetry, or neither? Determine whether the graph of the polynomial has y-axis symmetry, origin symmetry, or neither. f(x) = 4x^2 - x^3 -My answer: orgin of symmetry f(x) = 5

    asked by Aimee
  25. Algebra

    Solve the problem. A rectangle with width 2x + 5 inches has an area of 2x4 + 9x3 - 12x2 - 79x - 60 square inches. Write a polynomial that represents its length. I got x^3+2x^2-11x-12 inches. is this correct? I used long division.

    asked by Maddy
  26. microeconomics

    Explain: Before economic growth, there were too few goods, after growth, there is too little time. It is irrational for an individual to take the time to be completely rational in economic decision making. Telling Satnt what you want for Christmas makes

    asked by amanda
  27. Another niology/science question

    In tomatoes, red fruit is dominant to yellow fruit color. A farmer has plants that produce either red or yellow tomatoes. he has signed a contract with a large seed company to provide pure red dees and pure yellow seeds. the do not want hybrids. How can

    asked by Kellie
  28. Leading coefficient test

    Please check my work. thanxs! Use the Leading Coefficient Test to determine the end behavior of the polynomial function. Then use this end behavior to match the function with its graph. f(x) = 2x^2 - 2x - 2 -I got that is rises to the left and rises to the

    asked by Jodie
  29. Algebra

    According to the Guiness Book of World Records, the peregrine falcon has a record diving speed of 168 miles per hour. Write the speed in feet per second.

    asked by Mary
  30. problem stats

    an instant lottery game gives you probability .02 of winning on any one play. Plays are indpendent of each other. If you play 5 times, what is the probability that you win at least once.

    asked by Kate
  31. CHEM

    How many molecules of ammonia are produced from: 2.58x10^-4g of Hydrogen? My balanced equation: 3H2 + N2 = 2NH3 I worked this question as: mol of H = 2.58x10^-4g/1.00794g/mol= 2.559676x10^-4 mol mol of NH3 produced = 2x2.559676x10^-4mol/3mol NH3 =

    asked by K
  32. physics

    when lightning strikes you can see it at a speed of 3x10^8m/s. But you hear thunder at about 340m/s in 70 degrees air temperature. a) If you are a mile away from lightning, how long of a delay is there? b) if the delay between the lightning and thunder

    asked by Tammy
  33. ETH 125

    Consider these questions: What are the most significant similarities between the Chinese American and Japanese American [cultural] experiences? What are the differences? Choose from any of the following topics when considering similarities and differences:

    asked by dawn
  34. polynomial functioms-check

    Can you please check my work and answers. Find the x-intercepts of the polynomial function. State whether the graph crosses the x-axis, or touches the x-axis and turns around, at each intercept. 1.f(x) = (x + 1)(x - 3)(x - 1)^2 -I got -1 crosses the

    asked by Jesse
  35. spanish

    I have another question on the spanish crossword puzzle. the question is: La madre siempre va a la ____ cuando compra zapatos para sus hijos. What does this mean? I can't figure it out. Please help me.

    asked by pinkpolkadots7
  36. spanish

    i need help with this fill in the blank... cuanto____ por los calcetines amarillos? the blank has 7 letters and is like this: ca-a--e i am missing those 3 letters. PLEASE HELP!

    asked by pinkpolkadots7
  37. Algebra-please check my work

    check my answers please. Use the Intermediate Value Theorem to determine whether the polynomial function has a real zero between the given integers. f(x) = 2x3 + 10x2 - 8x - 5; between 1 and 2 -I got: f(1)=1 and f(2)=35;no Determine the maximum possible

    asked by emma
  38. CHEM

    I am still not quite grasping how to complete this problem: Posted by K on Sunday, October 14, 2007 at 6:43pm. Many home barbeques are fueled with propane gas C3H8. What mass of carbon dioxide (in kg) is produced upon the complete combustion of 18.9L of

    asked by K
  39. Physical Science

    Explain Why charged particles do not penetrate matter deeply

    asked by Linzy
  40. Physics

    I studied the equation of time recently and understand the Earths keplerian orbit is responsible for it. I understand the keplerian orbit described the Earths elliptical path and it was this alone that created the equation of time. I have just read that

    asked by Mike
  41. CHEM

    Calculate the mass (in grams) of the product formed when 10.1g of the underlined reactant completely reacts. Assume that there is more than enough of the other reactant. 2K(s) + __Cl2(g)__ -> 2KCl(s) I cannot get the correct answer.

    asked by K
  42. Economics

    Suppose the economy consists of two types of firms: Type A firms which produce output using a technology Qa=Min(K,1/2L) and Type B firms which produce output using the technology Qb=Min(K,L). The economy has exactly forty units of labor and thirty units of

    asked by jon
  43. HUMANITIES

    WHAT ARE SOME REPUTABLE SITE THAT CAN AID IN HELPING ME FIND THE ANSWER TO THIS QUESTION: WHAT MAKES UP THE HINDU RELIGION AND THE CULTURAL, SOCIETAL INFULENCES THAT MADE HINDUSIM VITAL TO REGION OF EARTHLY EXISTENCE.

    asked by GIGI
  44. Biology/General

    Why do sweet and greasy foods taste so good to us? What are some properties of DNA that make it well-suited for storage of genetic information? Why does eating excess carbohydrates cause you to gain fat? The Irish survived for generations by eating

    asked by Anon
  45. college class

    Consider these questions: What are the most significant similarities between the Chinese American and Japanese American [cultural] experiences? What are the differences? Choose from any of the following topics when considering similarities and differences:

    asked by dawn
  46. Physics/Barycentre

    I read the Earth/Moon Barycentre is located 74/100ths from the centre of the earth towards the earths surface. As the moons orbit varies from Perigee to Apogee by more than 30,000 miles I would have thought the Barycentre would move around according to the

    asked by Mike
  47. French

    Vous prenez la rue de Vaugirard a(with the accent) gauche jusqu'au boulevard Saint-Germain. Does it mean to take the road of Vaugirard and turn right on boulevard Saint-Germain or take the road Vaugirard which is on the right until you reach Saint-Germain?

    asked by Miche
  48. PHYSICS

    A ball on a string moves in a vertical circle. When the ball is at its lowest point, the tension in the string is equal to the ball's weight. (i said true..?) A small projectile is launched horizontally 1 m above the surface of a smooth, airless planet,

    asked by cadi
  49. Algebra

    a cessna can fly at a rate of 220 mph in calm air. traveling with the wind, the cessna flew 780 mi in the same amount of time as it flew 540 mi against the wind. find the rate of the wind. how do i set this problem up? please explain in detail cuz i don't

    asked by Colin
  50. chem

    A 0.01205 mg sample of an unknown compound was found to contain 0.0001 mg of H, 0.0043 mg of Cl, and 0.0077 mg of O. It was also determined that the unknown compound had a molecular weight of 100.46 g/mol. What is the molecular formula for this compound?

    asked by Mike
  51. Math

    For my class my topic is circles but i need a catchy phrase or slogan or anything that rhymes with circle to remember circle by. can anyone help me please PLEASE PLEASE!!! thank you

    asked by Anonymous
  52. Social Studies

    Which two states each border eight other states, including each other?

    asked by Sandra
  53. Chemistry

    "There are two ions per formula unit in this compound. The -1 anion has 8 more electrons than the cation." I need to find the Chemical formula/name. Any suggestions on how to start? This can have more than one correct answer.

    asked by Hanna
  54. Physics

    Suppose that a police car on the highway is moving to the right at 20 m/s, while a speeder is coming up from almost directly behind at a speed of 31 m/s, both speeds being with respect to the ground. The police officer aims a radar gun at the speeder.

    asked by Mary
  55. Physics

    A stone is thrown vertically upward. On its way up it passes point A with speed v, and point B, 12.6 m higher than A, with speed v/2. Calculate the maximum height reached by the stone above point B. I am still stuck on this problem, mainly because I can't

    asked by Lindsay
  56. biology

    Extremophiles are organisms that thrive in extreme environments. For instance some species of bacteria live in the thermal vents of Yellowstone National Park while others live in the polar ice caps. As you might imagine, these bacteria have some rather

    asked by neka
  57. biology

    The conversion of molecule S to product P has a Keq = 2.0. Two different, but related enzymes, A and B, can catalyze the reaction. The product P serves as an allosteric inhibitor of enzyme B, but not of enzyme A. A. 10 mM S is placed into three separate

    asked by jay
  58. economics

    Suppose a firm produces output using the technology Q=K1/3 L2/3 Find a. The long run cost function b. The short run cost function if capital is stuck at 10 units. c. The profit maximizing level of output as a function of the price of the good, wages,

    asked by jon
  59. math

    can you check my answers please. Use the Leading Coefficient Test to determine the end behavior of the polynomial function. f(x) = 4x^4 + 5x^3 + 2x^2 + 4x - 3 i got that it rises to the left and rises to the right f(x) = -5x^4 - 2x^3 - 4x^2 - 4x + 2 i got

    asked by Gwen
  60. Algebra

    Please check my work. thanxs! Use the Leading Coefficient Test to determine the end behavior of the polynomial function. Then use this end behavior to match the function with its graph. f(x) = 2x^2 - 2x - 2 -I got that is rises to the left and rises to the

    asked by Jodie
  61. Algebra Problems

    Please check my answers. Find the coordinates of the vertex for the parabola defined by the given quadratic function. 1.f(x) = (x - 4)2 - 4 -I got (4,-4) Find the axis of symmetry of the parabola defined by the given quadratic function. 3.f(x) = (x + 2)2 +

    asked by Soly
  62. science-elements

    what is the answer to this equation on elements because i just don't get it. hydrogen + __________ = water+heat

    asked by Priscilla
  63. Math

    Find a way to add the digits 0-100 rather than adding them. Any suggestions on how to do this?

    asked by Pam
  64. speech

    A diller, A dollar, A ten o'clock scholar, what makes you come so soon? You used to come at ten o'clock, But now you come at noon.

    asked by Dee Anderson
  65. physics

    what distance should you keep between you and the car in front of you if the traffic is moving at 65mph? Your reaction time is 1s, and both the cars can decelerate at the same rate. Include reasonable estimate for the length of the car (you don't want your

    asked by Tammy
  66. features of all acids

    describe one feature of all acids

    asked by Gina
  67. Algebra

    Checking a few answers to some algebra problems: 1.Find the slope of the line that passes through the points (-4,1) and (3,5). I got m = 5-1 / 3-(4) Answer is m = 4/7 2.Find the equation, in slope-intercept form, of the line that passes through the points

    asked by John
  68. Functions in Math

    Im looking at internet sites and Im not quite understanding functions. I have a question like; A function f(x) has the properties i) f(1) = 1 ii) f(2x) = 4f(x)+6 Could you help me out. I know nothing about functions.

    asked by Lena
  69. polynomial function

    Please check my answers. Find the y-intercept of the polynomial function. f(x) = -x2 - 2x + 8 I got:y=8 f(x) = (x + 1)(x - 6)(x - 1)2 I got: y=-6 f(x) = -x2(x + 6)(x2 - 1) I got:y=0

    asked by Ann
  70. algebra

    simplify (numbers AFTER the variable represent exponents) ALSO these are all fractions, theres just no way to put the line x2-64 . x2-x-6 _ 1 x2-4x-12 x2+5x-24 x-6

    asked by Colin
  71. microeconomics

    Strictly speaking, perfect competition has never existed and probably never will. Then why study it? Discuss the major barriers to entering into an industry. Explain how each barrier can foster either monolopy or oligopoly. which barrier, if any, do you

    asked by amanda
  72. science, biology

    garden squash plants produce white or yelloe squash. White color is dominant while yellow is recessice. A squash plant that is homozygous for white is crossed with a homozygous yellow one. Predict the phenotype of the F1 generation (first generation) and

    asked by Kellie
  73. 8th grade spanish

    I have to do a cross-word puzzle, but I'm not sure about the answer to one of them. It is a 9 letter word (in Spanish), and fits into this sentence: Donde _____ (tu)esos sueteres nuevos? Plese help!

    asked by pinkpolkadots7
  74. physics

    what distance should you keep between you and the car in front of you if the traffic is moving at 65mph? Your reaction time is 1s, and both the cars can decelerate at the same rate. Include reasonable estimate for the length of the car (you don't want your

    asked by Tammy
  75. physics

    Can an object's velocity change direction when its acceleration is constant? a) No this is not possible because it is always speeding up b) No this is not possible because it is always speeding up or always slowing down, but it can never turn around c) Yes

    asked by Tammy
  76. ETH 125

    The final project for ETH 125 is a 1,400- to 1,750-word autobiographical research paper on race in your community. Where do you suggest I start looking things up at? Help me please

    asked by dawn
  77. help me please

    today has been very hectic along with homework i found out about 3 tests that i have tommorrow. I have to study for all three of the tests. The first is biology, second, is business law, and third it in Algebra II, and for homework I have to read 10 pages

    asked by Stressed Out in MO
  78. Algebra

    Still need help on this one Drawing a blank on this one, not sure where to start. Find the equation, in standard form, with all integer coefficients, of the line perpendicular to x + 3y = 12 and passing through (9, -5).

    asked by John
  79. SAT Math... again

    I asked two questions yesterday, and thankfully, bobpursley answered the latter. I accidentally typed in the first question wrong, so I'd really appreciate it if someone helps me out. Thank you, and have a good day :) 1. Kevin is 3 years younger than Nora.

    asked by Lacey
  80. AP US History

    Why does the period of salutary neglect end in the American colonies?

    asked by Jennifer
  81. math

    can you check my answers please. Use the Leading Coefficient Test to determine the end behavior of the polynomial function. f(x) = 4x^4 + 5x^3 + 2x^2 + 4x - 3 i got that it rises to the left and rises to the right f(x) = -5x^4 - 2x^3 - 4x^2 - 4x + 2 i got

    asked by Gwen
  82. ap algebra

    Can you please help me with these problems I don't understand them? thanxs! Find the zeros for the polynomial function and give the multiplicity for each zero. State whether the graph crosses the x-axis or touches the x-axis and turns around, at each zero.

    asked by Tyra
  83. graphing polynomial functions

    How do i graph f(x)4x-x^3-x^5? How do I graph f(x)=x^5-4x^3-12x?

    asked by Jennie
  84. math

    Explain how to identify the greatest and least values of a set of data when looking at a circle graph.

    asked by Madison
  85. Science

    What are the 5 characteristics of all living things? What do all living things need?

    asked by Sean
  86. CALCULUS

    Given: x+(1/x)= square root of 3 PROVE: (x^13)+(1/(x^13))= square root of 3

    asked by Leslie
  87. ap algebra

    Please help me with this problem. I don't know what to do. Use the graph or table to determine a solution of the equation. Use synthetic division to verify that this number is a solution of the equation. Then solve the polynomial equation. x3 + 6x2 + 11x +

    asked by Kate
  88. math

    If Jenny built a triangle out of soup cans and there are 4 at the top row she added 2 cans to every next row so there are 8 cans in the second row. How many cans are in the 12th row?

    asked by Rachael
  89. Biology..please help

    This is data collected.. Solute: Bowman's Capsule, Glomerus, Loop of Henle, Collecting Duct protein: 0, 0.8, 0, 0 urea: 0.05, 0.05, 1.50, 2.00 glucose: 0.10, no data, 0, 0 chloride: 0.37, no data, no data, 0.6 ammonia: 0.0001, 0.0001, 0.0001, 0.04

    asked by Anonymous
  90. math

    an ________ is a number sentences that uses an equal sign to show that 2 amounts are equal.

    asked by kay
  91. ap algebra

    Can you please help me with these problems I don't understand them? thanxs! Find the zeros for the polynomial function and give the multiplicity for each zero. State whether the graph crosses the x-axis or touches the x-axis and turns around, at each zero.

    asked by Tyra
  92. chemistry

    A 2.3g sample of MgX is reacted with NaOH. The Mg(OH)2 precipitate had a mass of 1.8g. What is the % of Mg in the original sample?

    asked by corey
  93. Physics

    You are sitting in your car at a traffic light at the foot of a 200 ft long ramp that will take you onto the interstate. If your cat can at best accelerate at 5 m/s^2 and the traffic on the interstate is moving at 65mph. will the ramp be long enough for

    asked by Tammy
  94. ap algebra

    can you check my answers please? Find the zeros for the polynomial function and give the multiplicity for each zero. State whether the graph crosses the x-axis or touches the x-axis and turns around, at each zero. f(x) = 2(x - 2)(x + 4)^4 2, multiplicity

    asked by Tyra
  95. CALCULUS

    I got this problem but its unrelated to any material that we worked on. Can some please help me to solve it and please explain it. Thanks Problem states: Given: x+(1/x)= square root of 3 PROVE: (x^13)+(1/(x^13))= square root of 3

    asked by JESSICA
  96. science/chemistry

    we did a lab on chemical change, where we had to see how a chemical change affcts mass. so we measure the mass of 20ml of copper solution, and 2cm(cubed) of steel wool, and then we mixed them into a flask. soon the steel wool turned rusy, and broke apart.

    asked by rachel
  97. Algebra help!

    I don't understand my problems that I am suppose to do. please help. Write the equation of a polynomial function with the given characteristics. Use a leading coefficient of 1 or -1 and make the degree of the function as small as possible. 1.Crosses the

    asked by Jaymee
  98. physics

    A football is kicked at 37degrees to the horizontal and it goes a distance of 98 yd. Ignore air resistance. a) what is the ball’s initial velocity? b) what is the vertical component of the ball’s velocity? c) what is the horizontal component of the

    asked by Tammy
  99. math

    what is 800 hundreths in decimal form

    asked by hd
  100. math

    With a confidence level of .95 and a confident interval of 5 and a population of 20,000 what is the sample size? With a confidence level of .99 and a confident interval of 5 and a population of 20,000 what is the sample size? Finally, using the sample size

    asked by sam
  101. social study

    Give two advantages the British had over the Patriots?

    asked by Candy
  102. biology

    What happens when two molecules in a polysaccharide split apart? What is this process called? What enivornment do polysaccharides need to be in to perform this reaction? What is the ratio of C:H:O in sucrose?

    asked by Bob
  103. Calculus

    22. Divide the expression before differentiating. F(x) = (8x^3 - 1)/ (2x - 1) Would the way to solve this problem be... F(x) = [(8x^3) / (2x - 1)] - [(1)/(2x - 1)] = [(4x^2)/(1)] - [(1) / (2x - 1)] = (4x^2) - (2x-1)^-1 F'(x) = (8x + 1)

    asked by Suzy
  104. gov

    Does anyone know a website that has an in-depth analysis on the movie the patriot?

    asked by Larry
  105. Chemistry

    Is it possible to attach a picture to my question? I've run across a picture of a piece of chemistry equipment and I'd like to know what it is. Sheryl

    asked by Sheryl
  106. Literature-King Arthur

    I posted a question before about the movie Excalibur. I am supposed to watch this movie and make a powerpoint presentation illustrating one of the Arthurian legends. I need to know if Excalibur is a cartoon or if it is a rated R movie. I have found two

    asked by Christian
  107. science

    Hello, need help finding this answer for this question? Why are mudslides mainly limited to dry environments? Thanks

    asked by Beth
  108. Algebra

    7.(21x^3 - 7)/(3x - 1)(this one I cant get the anwswer to match up with my answer choices.) Is there a way that I could use syntheic division?

    asked by Soly
  109. world history

    Describe the economic, political, social, and cultural problems faced by the new nations of Africa?

    asked by cowgirl
  110. Algebra

    Please check my answers. Find the coordinates of the vertex for the parabola defined by the given quadratic function. 1.f(x) = (x - 4)2 - 4 -I got (4,-4) Find the axis of symmetry of the parabola defined by the given quadratic function. 3.f(x) = (x + 2)2 +

    asked by Soly
  111. algebra

    (21x^3 - 7)/(3x - 1)(this one I cant get the anwswer to match up with my answer choices.) Is there a way that I could use syntheic division?

    asked by Soly
  112. Macro Economics

    How to explain how employers use the cost-benefit principle to decide whether to hir an addtional worker

    asked by Anonymous
  113. chemistry

    Determine a compound that will precipitate the (Hg2)^2+ in Hg2X2(soluble).

    asked by corey
  114. math

    there are________centemeters in a meter

    asked by carla
  115. college class

    If someone made the below statements to you, how would you explain that the statements are misconceptions? Include whether you think most Americans believe these misconceptions, and why or why not. · Asian Americans and Pacific Islanders are a model

    asked by dawn
  116. Math

    Can you please check my answers. Determine whether the function is a polynomial function. f(x) = 4x + 4x^5 -Yes f(x) = 4 - 1/x^2 -No

    asked by Jan
  117. English

    When writing a literature essay about the bible, do you write in past or present tense?

    asked by Tisha
  118. PHYSICS

    Given: x+(1/x)= square root of 3 PROVE: (x^13)+(1/(x^13))= square root of 3

    asked by jamie
  119. Algebra

    Two more Algebra questions : Having some difficulty with these. Drawing a blank on this one, not sure where to start. Find the equation, in standard form, with all integer coefficients, of the line perpendicular to x + 3y = 12 and passing through (9, -5).

    asked by John
  120. social

    what is an oasis

    asked by diego
  121. physics

    A car is moving with constant acceleration. Which of the following is true? a) the car travels the same distance in each second b) car's velocity increases by the same amount in each second c)car's velocity decreases by the same amount in each second

    asked by Tammy
  122. physics

    Which of the following statements is not true? a)the horizontal component of velocity cannot be larger than the total velocity b)the vertical component of velocity cannot be larger than the total velocity c)Neither horizontal nor vertical components of

    asked by Tammy
  123. Math

    There are three landscapers that are instructed to prune a tree. One of them alone can complete the task in 30 minutes, another is twice as fast as the first landscaper, and the thrid is a quarter as fast as the first two landscapers working together.

    asked by Kelly
  124. Math - Algebra

    A 'snooker' table (measuring 8 metres by 4m) with 4 'pockets' (measuring 0.5m and placed at diagonal slants in all 4 corners) contains 10 balls (each with a diameter of 0.25m) placed at the following coords: 2m,1m...(white ball) ...and red balls...

    asked by Anonymous
  125. ETH 125

    If someone made the below statements to you, how would you explain that the statements are misconceptions? Include whether you think most Americans believe these misconceptions, and why or why not. · Asian Americans and Pacific Islanders are a model

    asked by dawn
  126. business

    please could somebody give me any real life examples of comapanys that lease assets... thank you!

    asked by paul
  127. socials

    what makes an oasis an oasis?

    asked by diego
  128. algebra

    could you help me with the following,I don't understand. Find the x-intercepts of the polynomial function. State whether the graph crosses the x-axis, or touches the x-axis and turns around, at each intercept. 1.f(x) = (x + 1)(x - 3)(x - 1)^2 5.f(x) = x4 -

    asked by Jesse
  129. Math

    can someone please tell me how to solve problems like this>>>> 3/4q -7=8 3/4 is a fraction Thanks for helping me

    asked by Madison
  130. science-plz help, this is urgent!plz!

    we did a lab on chemical change, where we had to see how a chemical change affcts mass. so we measure the mass of 20ml of copper solution, and 2cm(cubed) of steel wool, and then we mixed them into a flask. soon the steel wool turned rusy, and broke apart.

    asked by haya
  131. science-plz help, this is urgent!plz!

    we did a lab on chemical change, where we had to see how a chemical change affcts mass. so we measure the mass of 20ml of copper solution, and 2cm(cubed) of steel wool, and then we mixed them into a flask. soon the steel wool turned rusy, and broke apart.

    asked by haya
  132. chemistry

    Explain what subatomic particles mke up an atom and how are they arranged

    asked by ANGEL
  133. MATH

    I need help with this; There are 100 floors on a building. 50 are painted red and 50 and painted blue. The number of red floors on the top half plus the number of blue floors on the bottom half are equal to 56. How many red floors are there on the top

    asked by Kenny
  134. Cell Biology

    What organelle does Phalloidin stain? I know it stains actin and the cytoskeleton but these are not organelles.

    asked by Josh
  135. US History

    Why did New England seem to be the root of the rebellion against taxes and other regulations?

    asked by taiyla
  136. i reallry need help plz-science

    we did a lab on chemical change, where we had to see how a chemical change affcts mass. so we measure the mass of 20ml of copper solution, and 2cm(cubed) of steel wool, and then we mixed them into a flask. soon the steel wool turned rusy, and broke apart.

    asked by haya
  137. Language Arts

    I need to find out when author Bill Gutman was born. I have searched everywhere but have come up with nothing. My project is due in 3 days please help me.

    asked by Dakotah
  138. science

    Which plan would grow faster, a plant inside or outside?

    asked by tyler
  139. Chemistry

    Before 1982 U.S pennies were made of solid copper. As the price of copper rose,the U.S mint switched to a composition that is 97.5% zinc and 2.5% copper. A penny minted after 1982 is 19 mm in diameter and 1.6 mm thick. What is the volume of a penny in mL?

    asked by Boriqualissa
  140. Math

    need help with this; There are 50 floors on a building. 25 are painted red and 25 and painted blue. The number of red floors on the top half plus the number of blue floors on the bottom half are equal to 28. How many red floors are there on the top half?

    asked by Kenny
  141. math

    wat is probability

    asked by jose
  142. Long and synthetic division

    please check my answers and help me with the last one please, I cant get it to come out right. Divide using long division or synthetic division. 2.(x^2 + 13x + 40)/ (x + 5) I got x + 8 5. 3m^3+7m^2-16m+16/ m+4 i got 3m^2-5m+4 7.(21x^3 - 7)/(3x - 1)(this

    asked by Joy
  143. chem

    mass of element = 311.1269 amu what is mass of 1.36 moles of these atoms in g Hint: (1 mol = 6.022 x 1023 atoms) and (1 amu = 1.6606 x 10-24 g) HELP!

    asked by Mike
  144. math

    what is 8 tenths indecimal form?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????

    asked by hd
  145. Algebra

    Two more Algebra questions : Drawing a blank on this one, not sure where to start. Find the equation, in standard form, with all integer coefficients, of the line perpendicular to x + 3y = 12 and passing through (9, -5). I have half a solution to this one:

    asked by John
  146. Biology

    A young post-doctoral fellow was assigned the task of investigating the mechanism by which epinephrine stimulates the activation of adenylate cyclase. The post-doctoral fellow developed an in vitro assay utilizing isolated liver cells, which when

    asked by Dill
  147. math

    what is 800 thounds in decimal form?

    asked by hd
  148. math

    Given: x+(1/x)= square root of 3 PROVE: (x^13)+(1/(x^13))= square root of 3

    asked by Justin
  149. Algebra

    an amtrak trainand a car leave new york city at 2 PM and head for a town 300 miles away. the rate of the amtrak train is 1 1/2 times the rate of the car. the train arrives 2h ahead of the car, find the rate of the car

    asked by Colin
  150. social study

    Give two serious disadvantages suffered by the Patriots?

    asked by Candy
  151. social study

    How did the location of the war help the Americans?

    asked by Candy
  152. biology

    Ionophores are drugs that act as channels in membranes. Each ionophore has its own specificity with regard to the type of ion that will pass through it. The selected ion is able to move across the membrane in either direction, depending only upon the

    asked by Ty
  153. social study

    Why were enslaved African Americans barred from enlisting in the war?

    asked by Candy
  154. math

    why is the product of two odd functions even?

    asked by lani
  155. physics

    It takes you 5 hrs to climb the top of a peak. The altitude of the peak is 400m, and you started from your camp that is an altitude of 300m. Estimate your power output during the climb. First i found that you move 1000m in 5 hrs, which would be .0556m/sec.

    asked by Anonymous
  156. physics

    Your horse is pulling a rope that is used to lift a bale of hay. The bale has a mass of 30 kg. Your horse has a max power output of 746 W. How fast can the horse lift the bale. I am completely lost. could someone possibly help me with where to start.

    asked by Anonymous
  157. biology

    What is the revelence in the order of development of the foetal nervous system before the cardiovascular system?

    asked by Jen
  158. Biology

    Explain why mitosis can occur in a haploid cell, but meiosis can’t.

    asked by Jen
  159. Math

    What is the "partial sums method"

    asked by Nicky
  160. Biology

    Explain why mitosis can occur in a haploid cell, but meiosis can’t.

    asked by Jen
  161. chemistry

    What is the valency of selenium in five membered ring system?

    asked by vinod
  162. english

    I can't think of a sentence that has the word 'scruple' (as in "Dear me," said the general, quite unruffled, "again that unpleasant word. But I think I can show you that your scruples are quite ill founded.") -thanks

    asked by Anonymous
  163. Math

    how do i find the least common denominater?

    asked by Sarah
  164. math

    86-78-1x4x2x6/54 i don't see how it works!

    asked by austin
  165. Physics

    I am having some problems trying to figure this out. Series circuits I have a "d" battery, a battery holder, 3 different resistors, and a multimeter. How do I put the resistors into a series cicuit? And when I use the multimeter, does it need to be set on

    asked by Soly
  166. social studies

    whats one way the earths crust change??

    asked by nikki
  167. Social Studies

    What are the 3 Climate Zones?

    asked by Clayo
  168. Government

    For my class I have to have a good spy story. Basically one that got caught. I have found some but my classmates got to the teacher before me. does anyone know of any good sites that I could use

    asked by Alan
  169. writing

    i need to wrie a paper on this: Imagine you found an island and you're going to make a government, what type of government would u choose? I chose monarch. I just need to know any other way to write it besides a journal entry or en essay.

    asked by eve