1. math

     9. On a spelling test Carlos had to spell 25 words. He earned 4 points for every word he spelled correctly. Which equation can be used to find p, the total number of points Carlos earnedfor spelling w words correctly? A p w −. B p = 4. ) C p

    asked by anne on February 14, 2014
  2. Chemistry

    There are two flask, one filled with a)ice bath, and b)boiling water. Ice bath: 1.00 L O^2(g) at STP Boiling water: 1.00 O^2(g) If we want the pressure to remain at 1.00bar when the O^2(g) is heated to 373K, what mass of O^2 must we release from the flask?

    asked by Mae on September 24, 2013
  3. chemistry

    The equation for burning C2H2 is 2C2H2(g) + 5O2(g) ⎯→ 4CO2(g) + 2H2O(g) a. If 15.9 L C2H2 react at STP, how many moles of CO2 are produced? (Hint: At STP, 1 mol = 22.41 L for any gas.) b. How many milliliters of CO2 (density = 1.977 g/L) can be made

    asked by rob on June 2, 2010
  4. Physics

    Hi I was wondering if somebody could help me with this question? According to the Bohr model, what determines the color of light emitted when an electron moves from one energy level to another? The color (wavelength) is determined by the change in energy

    asked by Isabel on October 10, 2006
  5. science

    Calculate the heat of combustion of this wax in kJ/mol. How much energy is produced per carbon? What is the limiting reagent? I have the Q=m*C*deltaT equation to be 10460.45 joules using 100.1 grams C25H52, 25 degrees C, and 4.18 J/gC. I don't know how to

    asked by Tony on November 7, 2012
  6. math

    a species of orchid is being studied. The population 'p' at time 't' years after the study started is assumed to be p = 2800ae^0.2t/1 + ae^0.2t where 'a' is a constant. Given tnat there were 300 orchids when the study started. a. show that a =0.12 b. use

    asked by lindsay on March 18, 2013
  7. Chem year one

    what is the balanced net ionic equation for the oxidation of hydrogen peroxide by permanganate ion and find out how many moles of hydrogen peroxide react with one mole of permanganate ion. would the answer be: 2MnO4^- + 6h^+ + 5H2O2 ---> 2Mn^2+ + 8H2O +

    asked by kay on November 22, 2013
  8. Chemistry

    Enter the formulae of the products and give their states. Type your answer using the format Na2SO4(aq) for Na2SO4(aq). Do not balance the equation. If there are no products, enter "none". ZnCO3(s) + heat ---> I know it's a decomposition reaction, so I

    asked by Anna on December 24, 2015
  9. Chemistry

    What is the balanced net ionic equation for the reaction between the permanganate ion and the ferrous ion in acid solution. What is the number of moles of ferrous ion that could be oxidized by 1.2×10^-2 moles of permanganate ion? Honestly don't understand

    asked by Minset on October 4, 2015
  10. chemistry

    I also had a problem with this type of questionthe initial pressure of NOCl(g) is 4.329 atm, calculate the % of NOCl(g) left over after the reaction reaches equilibrium according to the balanced equation. The value of Kp at 400.0 °C is 1.99. The initial

    asked by andy on April 8, 2010
  11. math

    what would be the equation for this math problem so i can figure it out In a basketball game, the Squirrels scored a total of 103 points and made 3 times as many field goals ( 2 points each) as free throws (1 point each). They also made eleven three point

    asked by shaniqua on September 1, 2008
  12. Sogeri high school

    Hydrazine,N2H4 burns in oxygen... A...what are their product?(in chemical equation). B..How many bondes are broken? C..How many new bonds are formed from the. product side... D.Total energy required to break the bond? E.Total energy realised when new bonds

    asked by wilfer kopz on September 3, 2014
  13. Honors PRE CALCULUS

    Three different weights are suspended from three different springs. Each spring has an elasticity coefficient of 18.5. The equation for the vertical displacement is y= 1.5cosine(t times the square root of k/m), where t is time, k is the elasticity

    asked by Matt on November 16, 2010
  14. Algebra

    In algebra special products and the questions says to factor the equation 200x^2-18 and I don't get how to. factor out a two, then what remains will be the difference between two perfect squares. I got as far as this 2(100x-3)^2 and that isn't right becaus

    asked by Avalon on May 28, 2007
  15. Physics

    A 223.0 g piece of lead is heated to 85.0oC and then dropped into a calorimeter containing 577.0 g of water that initally is at 18.0oC. Neglecting the heat capacity of the container, find the final equilibrium temperature (in oC) of the lead and water.

    asked by Jake on February 7, 2019
  16. algebra

    An archer releases an arrow from a shoulder height of 1.39 m. When the arrow hits the target 18 m away, it hits point A. When the target is removed, the arrow lands 45 m away. Find the maximum height of the arrow along its parabolic path. please help!!I

    asked by shannon on November 5, 2013
  17. math

    The sales of a certain product after an initial release can be found by the equation where s represents the total number of units sold and t represents the time in weeks after release. How many weeks will pass before the product sells about 150 units?

    asked by eliza on June 13, 2013
  18. Biomechanics

    A ball is thrown vertically upwards in the air at a velocity of 50(m/s) and reaches a maximum height of 20(m). Calculate the time when the ball reaches the 10(m) mark, while going up and coming down. Use the following equation of motion: y(f) = y(i) +

    asked by Jack on July 17, 2012
  19. AP Chem

    What energy change is associated with the reaction to obtain one mole of H2 from one mole of water vapor? The balanced equation is 2 H2O(g) -> 2 H2(g) + O2(g)and the relevant bond energies are H-H : 436 kJ/mol; H-O : 467 kJ/mol; O-O : 146 kJ/mol; O=O : 498

    asked by Kai on November 15, 2010
  20. physics

    There is a 1500 mile race course. The max foward acceleration is 4 m/s squared and the max backward acceleration is 6 m/s squared. I start at 600m and must go to the 800m mark (I must travel 200m). What is an equation for the fastest time that I could get

    asked by hanna on March 14, 2011
  21. AP Chem

    What energy change is associated with the reaction to obtain one mole of H2 from one mole of water vapor? The balanced equation is 2 H2O(g) -> 2 H2(g) + O2(g)and the relevant bond energies are H-H : 436 kJ/mol; H-O : 467 kJ/mol; O-O : 146 kJ/mol; O=O : 498

    asked by Kai on November 15, 2010
  22. Physics

    a) Give the equation for terminal speed in the variables from Stoke's Law, and the densities of the sphere Ps and the fluid P1. b) Find the viscosity of motor oil (in kg/m/s) in which a steel ball of radius 0.85mm falls with a terminal speed of 4.32cm/s.

    asked by Meg on November 1, 2017
  23. Honors PRE CALCULUS

    Three different weights are suspended from three different springs. Each spring has an elasticity coefficient of 18.5. The equation for the vertical displacement is y= 1.5cosine(t times the square root of k/m), where t is time, k is the elasticity

    asked by Matt on November 16, 2010
  24. chem

    ive tried the ice method but i keep on getting it wrong please help. If the initial pressure of NH3(g) is 3.168 atm, calculate the % decomposition of NH3(g) when the reaction comes to equilibrium according to the balanced equation. The value of Kp at 427.0

    asked by Anonymous on October 1, 2016
  25. Physical Chemistry

    The presence of a catalyst provides a reaction pathway in which the activation energy of a certain reaction is reduced from 192 kJ·mol-1 to 72 kJ·mol-1. (a) By what factor does the rate of the reaction increase at 281 K, all other factors being equal?

    asked by Mark on April 1, 2010
  26. 11th grade

    Three different weights are suspended from three different springs. Each spring has an elasticity coefficient of 18.5. The equation for the vertical displacement is y= 1.5cosine(t times the square root of k/m), where t is time, k is the elasticity

    asked by Matt on November 16, 2010
  27. PE

    i need help with a 5 page report on heath What is your topic? We'll be glad to help you when we know what you want write about. I want to try out volleyball but my grades are bad! But people say that sports make people do better in school. Do you that it

    asked by jennifer on August 10, 2007
  28. Physics

    Write equations to describe the position, velocity, and acceleration as a function of time and then plot those equations for an appropriate time interval for a car driving at 24.5 m/s that is coming up to a red light who rear ends another car at full

    asked by Patty on September 1, 2017
  29. English

    I need to check my answers. The assignment was to write the appositives and appositive phrases in the following sentences, along with the words they rename or identify. Are these Correct? 3. A basketball star at age 13, she was known for her speed.

    asked by Anne on January 9, 2010
  30. chemistry

    im having trouble understanding this hw question, okay here's the question: A 0.326 8-g unknown containing Pb(CH3CHOHCO2)2 (lead lactate, FM 385.3) plus inert material was electrolyzed to produce 0.111 1 g of PbO2 (FM 239.2). Was the PbO2 deposited at the

    asked by Anonymous on May 5, 2016
  31. math

    An open box is to be made from a flat square piece of material 20 inches in length and width by cutting equal squares of length x from the corners and folding up the sides. (a) Write the volume V of the box as a function of x. Leave it as a product of

    asked by jp on January 27, 2015
  32. US history

    Hi, I have an assignment to write a research paper of my choice. I chose september 11th but I need to come up with my own prompt. I came up with this one To what extent did the tragic attack of September 11th effect our nation as a whole, as well as

    asked by Jason P on May 14, 2009
  33. letter

    How can I write a feel better letter to Miley Cyrus? please help and give me so examples please help HOPE YOU FEEL BETTER [DateDear Miley cyrus I was quite upset to hear that you are feeling ill. However, I am every certain about you and i hope you will

    asked by DYLAN on April 25, 2014
  34. Physics

    A block of mass 50 kg is pulled on a frictionless floor by F=210N directed to 30angle horizontally, If the block moves 3m, find work done? a. 115 √2J b. 315 √3J Answer is B 315 √3J , my question is how to solve it in this way i mean, i solved it like

    asked by Shahab Mirza on October 3, 2014
  35. American History

    I'm doing a research project and it has to be at least 3 typed pages with a final outline and bibliography. The topic I chose was: Choose someone who you believe to be a great leader in US history and describe the reasons why this person was such an

    asked by peony on January 2, 2008
  36. English

    Oh I am sorry the point of this letter is to show that you can write persuasive letter Mark Jones is the Head of Disablity benefits in your localDisablity office. You have a court hearring date in three months to determine if you are entilted to get any

    asked by Rachel on June 17, 2008
  37. ela

    The poems are concrete cat haiku and limerick in the poems you read in collection 3 the poets choose different forms to express their thoughts and feelings about the subject. Imagine That there poetic forms changed. How would each poem be different if its

    asked by URGENT HELP!! SO URGENT on March 8, 2017
  38. World History Honors

    What exactly is this assignment asking me to do? lol i don't get the "dig" part. i actually don't understand anything. ------------------------------------ Write a 550-word comparative “dig”—named for digging further into one of the following

    asked by mel on September 7, 2011
  39. ochem 2

    1. Below are the IR and 1H NMR spectra for a compound with the molecular formula of C11H16O. List all the possible information coming from each spectra, and then use this to elucidate the structure from the possible compounds shown. Briefly explain your

    asked by Ankita on December 2, 2012
  40. Math

    Please show me how to enter this into scientific calculator the equation is 30*0.6637 - 29*0.6223*e^(-0.05*0.137) and the answer is 1.99 i don't know how to enter the e^(-0.05*0.137) part. please show me detailed steps. my scientific calculator is fx-991w

    asked by Aq on April 1, 2011
  41. Chemistry

    For the following balanced equation: 2 Ag+ (aq) + Cu(s) Cu2+ (aq) + 2 Ag(s) Which letter corresponds to the correct cell notation at standard state conditions? A. 2Ag+(aq) Cu2+(aq) 2Ag(s) Cu(s) B. Cu(s) Cu2+(aq) Ag+(aq) Ag(s) C. Ag+(aq) Cu2+(aq) Cu(s)

    asked by Jessie on May 7, 2011
  42. Calculus

    Can someone explain the method of implicit differentiation to me. I know that we differentiation both sides of the equation with respect to x (I don't understand what they mean by with respect to x). And then y is a function of x...I don't understand what

    asked by Samantha on November 3, 2008
  43. Math

    Which equation represents the perpendicular bisector of AB whose endpoints are A(8,2) and B(0,6)? 10 y=2x-4 20 y=-1/2x=2 3) y=-1/2x =6 4)y=2x-12 So I did Delta Y over Delta X and got -4/8 or -.5. Since it says perpendicular I made it the opposite sign and

    asked by MR. BILL on December 6, 2011
  44. chemistry

    For the following balanced equation: 2 Ag+ (aq) + Cu(s) Cu2+ (aq) + 2 Ag(s) Which letter corresponds to the correct cell notation at standard state conditions? A. Cu(s) Cu2+(aq) Ag+(aq) Ag(s) B. Cu2+(aq) Cu(s) Ag(s) Ag+(aq) C. Ag+(aq) Cu2+(aq) Cu(s) Ag(s)

    asked by Matt on April 18, 2008
  45. Maths

    Hi so I'm doing some SAT practice and I'm quite lost One of the questions says for all integers x, y, z let (x, y, z)*shaded triangle* be defined by (x, y,z)*shaded triangle*= xsq, ysq, z,sq. Then it gives me (1,2,3)*shadedtriangle*/(3,2,1)*shaded

    asked by Rissa on January 23, 2015
  46. chemistry

    When aqueous solutions of chromium(III) bromide and potassium phosphate are combined, solid chromium(III) phosphate and a solution of potassium bromide are formed. The net ionic equation for this reaction is:

    asked by Anonymous on March 13, 2016
  47. math

    The temperature dropped 18 degrees Fahrenheit in 6 hours last night. The equation below can be used to find n, the average number of degrees the temperature changed each hour during that period. -18/6 = n What was the average rate of change per hour last

    asked by jjiiddss on February 3, 2016
  48. word problem, please help

    In 1994 the moose population in a park was measured to be 6400. By 1996, the population was measured again to be 6800. If the population continues to change linearly: Find an equation for the moose population, y,in terms of x, the years since 1994.

    asked by Carlos on March 27, 2017
  49. Chemistry

    For the following balanced equation: 2 Ag+ (aq) + Cu(s)--> Cu2+ (aq) + 2 Ag(s) Which letter corresponds to the correct cell notation at standard state conditions? A. Cu(s)/Cu2+(aq)//Ag+(aq)/Ag(s) B. Cu2+(aq)/ Cu(s)// Ag(s)/ Ag+(aq) C. Ag+(aq)/ Cu2+(aq)//

    asked by Matt on April 18, 2008
  50. trigonometry

    Use logarithms and the law of tangents to solve the triangle ABC, given that a=21.46 ft, b=46.28 ft, and C=32°28'30" I have to use logarithms and law of tangents . and then provide the check. which says law of sine or mollweids equation. I can't us the

    asked by Anon on February 26, 2011
  51. AP Chemistry

    Calculate the moles of CO2 formed when 4.2 mol of C3H8 react with 20.6 mol O2. Answer in units of mol. So, the balanced equation is C3H8 + 5 O2 ==> 3 CO2 + 4 H2O . I thought the answer would be 12.36 mol, but when I type it in it's wrong. Please help!

    asked by Savanna on January 5, 2015
  52. trig

    e.g. tan 315 = -1, does that work in our equation ?? Yes, thank you again Reiny! My next question is to find sin theta and cos theta. cos 2theta = 1/3 and pi less than or equal to 2theta less than or equal to 2pi I hope Im not overburdening you with

    asked by Priya on May 1, 2008
  53. UCI Chemistry Webworks

    For the following balanced equation: 2 Ag+ (aq) + Cu(s) Cu2+ (aq) + 2 Ag(s) Which letter corresponds to the correct cell notation at standard state conditions? A. 2Ag+(aq) | Cu2+(aq) || 2Ag(s) | Cu(s) B. Cu(s)| Cu2+(aq) || Ag+(aq) | Ag(s) C. Ag+(aq) |

    asked by Tom on May 7, 2011
  54. ALGEBRA !

    a soda vendor sold large sodas for $3 and small sodas for $2.if he sold 182 large sodas and his gross profit for the day was $894, how many small sodas did he sell ? convert words to equation

    asked by Rose on October 9, 2008
  55. Pre Calculus

    Find the roots of the function g(x)=x^3 +16x a)0,4i, -4i b)0,-4,-4i c)0,4,4i d)0,4,-4 The equation can be rewritten x(x^2 + 16) = 0 The function is zero if x = 0, OR if x^2 = -16 That should give you a hint of what the roots are. So you take the square

    asked by raven 31791 on March 8, 2007
  56. Math

    The cost of Admission to a fair is $10, plus $3 per ride. An equation for this relation is C=10+3r, where r represents the number of rides a person goes on, and C represents the total cost of admission and rides. Make a table of values for the relation .

    asked by Cherie on March 26, 2013
  57. chemistry

    Ammonia reacts with copper(ll)oxide to give nitrogen gas, copper and steam. Balance the equation. If 18.1g of ammonia is reacted with 90.4g of coope(ll)oxide,how many moles of each reacts?,and how many grams of nitrogen are formed?

    asked by Juor on January 9, 2017
  58. Chemistry

    For the following balanced equation: 2 Ag+ (aq) + Cu(s) ---> Cu2+ (aq) + 2 Ag(s) Which letter corresponds to the correct cell notation at standard state conditions? A. Cu2+(aq)/ Cu(s) // Ag(s) / Ag+(aq) B. 2Ag+(aq)/ Cu2+(aq)// 2Ag(s)/ Cu(s) C. Ag+(aq) /

    asked by Amy on May 8, 2008
  59. Calculus

    Can someone explain the method of implicit differentiation to me. I know that we differentiation both sides of the equation with respect to x (I don't understand what they mean by with respect to x). And then y is a function of x...I don't understand what

    asked by Samantha on November 3, 2008
  60. chemistry

    Bromine can be added to limonene to created a brominated compound. The balance equation is shown below. When 613 mg of limonene and 3.5 ml of a 10% (v/v) solution of Br2 in dicholomethane (a solvent) are combined, 959 mg of the product is isokated.

    asked by bk on February 20, 2010
  61. Math

    A golf ball is hit off the top of a cliff that is 75 feet tall at an angle of 45° to the horizontal with an initial velocity of 80 feet per second. The quadratic equation shown below models the height, h(x), of the ball when it is x feet from the

    asked by Anonymous on December 4, 2014
  62. Math

    Is the equation true, false, or open? 4y+8=6y+3 a. True; the expressions are the same for all values of the variables. b. False; the expressions are never the same. c. Open; there is a variable.*** *** - My Answer

    asked by Kaai97 on October 13, 2015
  63. chem

    How do you balance this equation?: (NH4)2SO4+Ca(OH)2==>CaSO4+NH3+H20 Thanks! 2 NH3 2H2O Others are ones. (NH)2SO4 + Ca(OH)2 --> CaSO4+2NH3+2H2O Thanks!

    asked by Fidelia on March 22, 2007
  64. chemistry

    What is the coefficient of oxygen in the following equation for the reaction of potassium (K) with oxygen (O2) to form potassium oxide (K2O? __ K + ___ O2 -> ___ K2O is it 4, 3, 2, or 1?

    asked by Sarah on April 7, 2008
  65. Math

    Austin and Tamara each completed the square of the quadratic equation 0=3x square - 15x + 6 Austin 0=3(x-5/2) square-51/4 Tamara 0=(x-5/2)square-17/4 Who is correct and show why

    asked by Elijah on June 1, 2015
  66. math

    Which statement concerning the equation x^2+2=x is true? Its discriminant is 0 , so it has no solution. Its discriminant is 0 , so it has one real solution. Its discriminant is -7, so it has two complex solutions. Its discriminant is -7, so its solutions

    asked by Claire on May 9, 2016
  67. Math

    Is the equation true, false, or open? 4y+8=6y+3 a. True; the expressions are the same for all values of the variables. b. False; the expressions are never the same. c. Open; there is a variable.*** *** - My Answer

    asked by Kaai97 on October 13, 2015
  68. math

    what is the equation passing through a)y=5.04x=50 y=6.13 x=100 y=8.24 x=150 y=10.3 x=200 y=10.45 x=250 b)y=7.63 x=50 y=11.3x=100 y=12.52x=150 y=14.45x=200 y=14.48 x=250

    asked by lalith on September 24, 2007
  69. Algebra

    The area of a parallelogram is 115 square miles the base is= x+9 and the height is x-9. so the equation I got down which is 115=(x+9)*(x-9. Now I have to find the base and height in miles. Can someone help?

    asked by Christopher on April 14, 2014
  70. Pre-calculus

    1. The graph of the equation y = x2 – 3 is symmetric with respect to which of the following? The answer is the y-axis . why? 2.The graph of an odd function is symmetric with respect to which of the following? the origin is the answer, why ?

    asked by billy on April 6, 2012
  71. Physics

    Light from the Sun reaches Earth in 8.3 min. The speed of light is 3.00 x 10^8 m/s. How far is Earth from the Sun? GIVEN: t = 8.3 min V = 3.00 x 10^8 m/s --> Would acceleration be 9.81 m/s^2? Is it this equation d = Vit + 1/2 a t^2

    asked by Priscilla on December 23, 2009
  72. Math

    The equation N = 50 + 50y gives the number N of stamps collected when Y is the years that have passed since the collection began. What is the number of stamps that will be in collection after 3 years?

    asked by Susie on May 30, 2008
  73. calculus

    considering that x is the independent variable in this equation: y + y^3 + 3 = e^y^2 + 3^x * cos(3y) - x Evaluate dy/dx I get to: dy/dx (1+3y) = e^y^2 * 3y^2 * dy/dx + 3^x * ln3 * (-sin(3y)) * 3 *dy/dx -1 Will it give me? dy/dx(1+3y) = dy/dx((e^y^2 * 3y^2)

    asked by Tom on November 11, 2011
  74. Algebra

    A: What are the solutions to the quadratic equation x2+49=0? B: What is the factored form of the quadratic expression x2+49? Select one answer for question A, and select one answer for question B. B: (x−7i)(x−7i) A: x=7i B: (x+7)(x−7) A: x=7 or

    asked by shianne on March 27, 2019
  75. Physics

    A young woman named Kathy Kool buys a sports car that can accelerate at the rate of 4.6 m/s2. She decides to test the car by dragging with another speedster, Stan Speedy. Both start from rest, but experienced Stan leaves the starting line 0.8 s before

    asked by Dave on March 28, 2012
  76. English

    When an animated cartoon was made of Animal Farm, it was given a happy ending. Animals everywhere hear that Napoleon has betrayed the cause of animalism. They join in a second revolution and succeed in overthrowing him. This leads to the establishment of

    asked by Anonymous on June 10, 2010
  77. english help please!!

    Read the following excerpt. The journalist spent a year researching the foreign government's sanctions. Finally, it was time to synthesize all of the relevant information that he had learned. His editor asked him to write a comprehensive article for the

    asked by Oscar on January 26, 2016
  78. English 1

    When an animated cartoon was made of Animal Farm, it was given a happy ending. Animals everywhere hear that Napoleon has betrayed the cause of animalism. They join in a second revolution and succeed in overthrowing him. This leads to the establishment of

    asked by Holly on June 22, 2010
  79. English

    I have to write a paper for english (i'm in college). The topic is 'what's more important: book smarts or street smarts.' I've decided to go the route of seeing what kind of professional jobs look for what, and making it a report rather than an essay.

    asked by Caitlin on December 3, 2006
  80. physics

    A 0.200 kg plastic ball moves with a velocity of 0.30 m/s. It collides with a second plastic ball of mass 0.100 kg, which is moving along the same line at a speed of 0.10 m/s. After the collision, both balls continue moving in the same, original direction.

    asked by Heart on December 25, 2009
  81. Algebra 1

    1. Simplify the quotient (6.4 x 10^9) / (1.6 x 10^-3). Write the answer in scientific notation. My answer: 4 x 10^6? Simplify. 2. a^16/a^4 My answer: a^12? 3. (4y^6/x^3)^2 My answer: 16^12/x^6? 4. (2/b^5)^-3 My answer: b^15/8?

    asked by Anonymous on February 21, 2014
  82. Math

    Hello, could someone check my answers please? The Equation; $4.50h = 20.00 shows the cost to play h hours of miniature golf how many hours of golf were played? Answer choices: A: 3 HOURS B:4 HOURS C: 4.8 HOURS D: 6.4 HOURS My answer: 4.8 hours

    asked by Rose on March 16, 2018
  83. Art

    1. Many different techniques can be used to attract the viewer's attention. What element of art was used in this image to create emphasis on the girl? A. texture B. color***** C. negative space D. curved lines I think it is B because the color of the

    asked by Elementory Girl on November 25, 2018
  84. physics

    In a game of pool, the cue ball strikes another ball initially at rest. After the collision, the cue ball moves at 4.15 m/s along a line making an angle of -25° (i.e. below the x-axis) with its original direction of motion (the x-axis), and the second

    asked by Katie on March 3, 2012
  85. AXIA UOP

    ANY OF THIS LOOK FAMILIAR? Compare and contrast your participant’s answers with your own, and write a 350- to 500-word summary that answers all of the following questions: How are your table answers similar? How are they different? Do either tables list

    asked by phkurt on September 2, 2007
  86. Physics 152

    I was able to come up with the answers through trial and error, and the answer for the charge +q makes sense, but I don't understand why the answer for the -q is correct. Please help. A positive point charge +q1, a second point charge q2 that may be

    asked by Dan on January 20, 2015
  87. Pre-Algebra

    4.)Karen’s ice cream shop has 4 more than 2 times as many flavors as Jim’s ice cream shop. Together they have 34 flavors. Solve the equation x + 2x + 4 = 34 to find the number of flavors at Karen’s ice cream shop. a)10 flavors b)24 flavors c)14

    asked by Nia on June 10, 2015
  88. Chemistry

    How many joules are required to raise the temperature of 450mL of water from 30 °C to 100 °C? The specific heat of copper metal is 0.385 J/ g- K. How many KJ of heat needed to raise the temperature of 1.1 kg block of copper from 27.5 C to 50 C? If 200 J

    asked by Jenner on March 19, 2017
  89. CHEMISTRY

    Use the following balanced chemical equation to calculate the mass of carbon dioxide produced from the burning of 5.50 kg of jet fuel which can be represented by the molecule C12H26. You should quote your answer to 3 significant figures in units of kg. The

    asked by trigger on December 28, 2008
  90. Math

    You're on a skateboard, moving very fast but at a constant speed. Are you accelerating? Explain. Lara Claims that if an object is accelerating, it must be moving. She also claims that if an object is not accelerating, it must be at rest. Is lara correct?

    asked by Anonymous on March 9, 2016
  91. Managerial Accounting

    Tiger Golf Accessories sells golf shoes, gloves and laser-guided range finder that measures distance Below are unit cost and sales data. Shoes Gloves Range find Unit sales $100 $30 $250 Unit VC 60 10 200 Unit CM $40 $20 $50 Sales Mix 40% 50% 10% Fixed cost

    asked by Karen on June 13, 2010
  92. math

    Danny and Erica are 3km apart on a straight road. They set out to walk uniformly at the same time. If they walk in an opposite direction, they will meet after 24 minutes. If they walk in the same direction, Danny will catch up to Erica after 6 hours. Find

    asked by anonymous on April 1, 2018
  93. Algebra

    Can you explain to me how to solve this equation? 2/3x-9=1/3 1/3=.33 and 2/3=.66 now the problem is 0.66x-9=0.33 When I did this in math, I had trouble, but now I understand it. Since 0.33 is on the other side of the = then 9, you would do 0.33+9=9.33 In

    asked by Britt on December 6, 2006
  94. Math-ish

    Ag Bm 101 question: Graphing and Prices? The U.S demand for tomato imports from Mexico: Q=24-P The supply from Mexico: Q=6+P $1=10 pesos When I graph I get that 3 tomatos=$9 Us price, 90 pesos Then we have to adjust for price when $1=5 pesos. I got $18.

    asked by Angie on February 26, 2008
  95. physics

    A wheel initially rotating at an angular speed of 1.2 rad/s turns through 34 revolutions during the time that it is subject to angular accelaration of .4 rad/s/s. How long did the accelaration last? So I used theta=Wot+.5at^2. converted rev to rad. and set

    asked by Andy on November 18, 2009
  96. Math

    The Height of a ski jumper, 'h' in meters is given by the equation h=-4.9t^(2)+0.5vt+8 where 't' is measured in seconds after leaping from the ramp and 'v' is his/her speed at the time of the jump. a)If the jumpers' maximum height is reached is 16 m,

    asked by May on November 5, 2012
  97. chemistry

    . Consider a non-ideal gas with the equation of state: where b is a constant. i) Derive expressions for: (P/T)V and (T/V)P ii) For a constant temperature process involving this non-ideal gas, show that (E/V)T=0 (HINT: Start with an

    asked by merissa on February 11, 2009
  98. math

    A ferris wheel has radius of 25 m and its centre is 27 m above the ground. It rotates once every 40 seconds. Sandy gets on the ferris wheel at its lowest point and the wheel starts to rotate. Determine a sinusodial equation that gives her height, h, above

    asked by CL on March 29, 2010
  99. Physics-bobpursley or drwls please check if possib

    If I had the old-fashion camera that had a focal length of 35mm(0.035m) and I take a picture of a person 6 m away, how far does the film need to be from the lens to record a clear image? I know that the equation is 1/f = 1/d(object) + 1/d(image) so would I

    asked by Robert O. on February 13, 2011
  100. Chem

    I am doing a lab on enthaply of vaporization of water, I got everything else on the post lab but these two questions, please help. The deltaHvap data from the handbook reference vary with temp. 1) if your data were perfect, but deltaHvap is not constant,

    asked by Please please helppppp!!!!! on February 13, 2013

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