1. Chemistry URGENT

    I am having a hard time understanding how to calculate pH. my textbook states that that pH =-log[H^+]. I have two questions that asks: What is the H^+ concentration in an acid with of pH 4.6? Express your answer as a power of 10. What is the H^+

    asked by jazz on April 24, 2014
  2. SOCIAL STUDIES

    I am study the art culture of Mexico and famout mexican muralist Diego Rivera. I have 2 queestions not sure how to answer 1) The mexican muralist created one of Latin Americas unique art movements. They attachked colonism by creating public, revolutionary

    asked by marko on February 21, 2012
  3. math

    1. You have recently found a location for your bakery and have begun implementing the first phases of your business plan. Your budget consists of an $80,000 loan from your family and a $38,250 small business loan. These loans must be repaid in full within

    asked by Anonymous on September 26, 2009
  4. CHEM

    I just have a couple of questions that I need some help with: 1) A 0.22-caliber handgun fires a 27g bullet at a velocity of 765m/s. Calculate the de Broglie wavelength of the bullet. Express your answer using two significant figures in meters. ~and~ 2) An

    asked by K on November 5, 2007
  5. English

    Nine Haikus During a Drought In the dusty lane A frog waits for a puddle To fall from the sky Which form best describes this poem? A. limerick B. Haiku C. Concrete D. Narrative My choice is B. Haiku What about the poem best supports the answer to the

    asked by Brian on February 18, 2016
  6. Texas State History

    Texas Succession Quick Check 1. Which event came directly before Texas succeeded from the Union? A. Texas issued the Declaration of Causes. B. Lincoln became president. C. South Carolina succeeded. D. Sam Houston resigned his office. *****My answer is

    asked by ..... on December 26, 2018
  7. CHEMISTRY

    The heat evolved in the reaction of hydrobromic acid with potassium hydroxide was determined using a coffee coup calorimeter. The equation for the reaction is: HBr(aq) + KOH(aq) -------------> KBr(aq) + H2O(l) When 25.0 mL of 1.00 M HBr at a temperature of

    asked by TOM on November 16, 2017
  8. physics

    A system does 196 J of work on its environment and gains 40 J of heat in the process. (a) What is the change in the internal energy of the system? J (b) What is the change in the internal energy of the environment? J I thought the answer would be +40 for

    asked by Will on April 26, 2008
  9. Math

    I posted these 2 questions a couple of days ago and although the help I received would have been more appreciated if it didn't come with an underhanded comment, I did see where I made my mistake with the first question, however I would like to know with

    asked by Dania on November 20, 2010
  10. statistics

    Consider the following bivariate data. Point A B C D E F G H I J x 3 4 2 1 7 2 1 0 4 2 y 1 7 3 3 6 6 5 0 6 2 (b) Calculate the covariance. (Give your answer correct to two decimal places.) (c) Calculate sx and sy. (Give your answers correct to three

    asked by tracy on June 23, 2013
  11. Social Studies (check my answers)

    1. What was the initial purpose of the constitutional convention? To write the Constitution. To amend the Constitution.>>>my answer To amend the articles of confederation. To ratify the Constitution. 3. What did the Northwest Ordinance do for the Northwest

    asked by FluttershyK22 on August 15, 2016
  12. Algebra

    A big sale is happening today at the Newton Shoe Store. You buy two pair od running shoes. The first pair is $64, which is 20% off the original price. The second pair os $72, which is 40% off the original price. what is the persent of discount on the

    asked by Kaylee on March 27, 2008
  13. math

    Enter your answer and show all the steps that you use to solve this problem in the space provided. Drawings not to scale On Quadrilateral A B C D, side A B measures 10 units and side A D measures 6 units. Angle D measures 86 degrees and Angle C measures 41

    asked by umbrella academy fan on April 1, 2019
  14. CHEMISTRY

    1) An NaOH solution of unknown concentration is titrated with HCl. 51.9 mL of 0.400 mol/L HCl will neutralize 75.0 mL of the NaOH. What is the concentration of the NaOH solution ? Record your answer in decimal notation. I think the answer is 0.277 mol/L.

    asked by TIANDRA on January 31, 2012
  15. statistics

    So if a scale has 30 items in it, and if an individual gets a score of 20 what does this mean? The only way to answer this is to look at the standardization sample, find out what the mean score in the sample was, let's say 15, and standard deviation in the

    asked by phil on July 18, 2012
  16. chemistry

    consider the following reaction CH3X + Y---> CH3Y + x at 25 degree celcius the following two experiments were run, yielding the following data: experiment 1 [Y]0=3M [CH3X] time 7.08×10^-3 1 4.52×10^-3 1.5 2.23×10^-3 2.3 4.76×10^-4 4 8.44×10^-5 5.7

    asked by timathy on March 23, 2008
  17. Information Literacy

    1-When choosing your search strategy for a search engine, it's best to A. enter the least important word first. B. ignore alternate spellings. C. combine keywords into phrases by using quotation marks. D. use verbs, articles, and capitals My answer C 2- To

    asked by Moha on May 12, 2012
  18. Help 5!!!

    5. Find the x and y intercepts of each linear equation. Be sure to write your answers as ordered pairs. y = 3x - 6 6y = -x + 2 On the second equation, change it to read y= ...,. Divide both sides of that equation by 6 to get the desired result. how?? The

    asked by Margie on October 13, 2006
  19. drwl please check

    A shot-putter puts a shot (weight = 70.1 N) that leaves his hand at distance of 1.53 m above the ground. (a) Find the work done by the gravitation force when the shot has risen to a height of 2.18 m above the ground. Include the correct sign for work. (b)

    asked by Mary on February 27, 2007
  20. Physics

    Life scientists use ultracentrifuges to separate biological components or to remove molecules from suspension. Samples in a symmetric array of containers are spun rapidly about a central axis. The centrifugal acceleration they experience in their moving

    asked by Emilia on June 15, 2012
  21. Pre Calc

    Use the doubling time to find the continuous percent growth rate and give a formula for the function. Round your answer to two decimal places. I found the doubling time to be 24 days and the continuous percent growth rate to be 2.89% I need to do the

    asked by Taylpr on October 3, 2014
  22. Economics

    Could you please check these. Directions: Match each statement with it's correct definition or item. Here are the words productivity subsidy supply schedule supply elastic surplus profit price floor government regulations equilibrium price supply 1. amount

    asked by Taylor on May 14, 2009
  23. Algebra

    A ¡§lattice point¡¨ has integer coordinates. Then, A = (m, n) is a lattice point if both m and n are integers. Let¡¦s call a point P = (x, y) ¡§generic¡¦¡¦ if all the distances from P to lattice points are different. With some algebraic work, I

    asked by Shrek on April 15, 2010
  24. Math

    Could someone work this question out so I understand it. Thanks The marginal price dp/dx at x units of demand per week is proportional to the price p. There is no weekly demand at a price of $100 per unit [p(0)=100], and there is a weekly demand of 8 units

    asked by Jules on April 29, 2011
  25. Math

    Could someone work this question out so I understand it. Thanks The marginal price dp/dx at x units of demand per week is proportional to the price p. There is no weekly demand at a price of $100 per unit [p(0)=100], and there is a weekly demand of 8 units

    asked by Jules on April 29, 2011
  26. business

    Which group includes urban professionals that likely prefer an apartment to a house in the suburbs? A. Baby busters B. Baby boomers C. All of the above D. Generation X E. Generation Y I think the answer is B. Baby boomers....is that correct? My other

    asked by jen on February 6, 2008
  27. Reading

    In which sentence about A Christmas Carol is the word meager used correctly? a) The Ghost of Christmas Future used his meager finger to point to Scrooge's tombstone. b) Scrooge gave Adam a meager amount of money to reward him for buying an enormous turkey.

    asked by Val on May 16, 2016
  28. Physics-Trajectory

    A particle's trajectory is described by x =(12t3−2t2)m and y =(12t2−2t)m, where t is in s. What is the particle's speed at t=0s ? What is the particle's speed at t=5.0s ? Express your answer using two significant figures. What is the particle's

    asked by Eric on September 11, 2015
  29. college math

    I do not understand a problem from a text book or how to solve the problem for the answer. Could shomeone show me the steps (show work) on how to solve this question. The sum of the intergers from 1 through n is n(n+1)/2. the sum of the squares of the

    asked by dave on August 13, 2010
  30. english

    tomorrow i am writing an exam in complex sentence analysis.i have some troubles..We'll get a complex sentence but very large one(last time we got sentences which were 4 lines long)and then we have to write what is the subject what is the verb, adverb or

    asked by bill on June 5, 2007
  31. Poem: A Voice by Pat Mora

    Could you please check my answers thanks 1.What happens when the mother goes to the state capitol to give her speech? Answer: When the mother goes to the state capitol to address her speech she wanted to hide her face. Also she faked hoarseness, and she

    asked by Remy on January 26, 2009
  32. environmental science

    A migratory bird corridor is the route birds take while migrating from north to south and back again. One of the busiest is along the Mississippi River. Check this site for a map and more information. http://www.msrivertn.org/recreation.asp What exactly is

    asked by Ms. Sue on June 29, 2007
  33. Chemistry - titration lab

    Hello. For my chemistry of solutions class, we had a titration lab where we titrated NaOH into an HCl + H2O mix. This was a preparatory titration for the next one consisting of the hydrolysis of ethyl acetate into acetic acid with H+ ions as a catalyst (in

    asked by Robertq on July 31, 2012
  34. Math(Algebra)

    Janine has started an exercise program. As part of her exercise program, she will walk along trails. Janine walks at an average speed of 1 mile in 15 minutes. What is Janine’s average speed in miles per hour? Show or explain how you got your answer.

    asked by Hadlee on November 23, 2015
  35. statistics

    A college professor believes that students take an average of 15 credit hours per semester. A random sample of 24 students in his class of 250 reported the following number of credit hours that they were taking:

    asked by Dorothy on December 30, 2011
  36. trigonometry

    can i use factoring to simplify this trig identity? the problem is sinx + cotx * cosx i know the answer is cscx and i know how to get it but i want to know if i can do factoring to get it bc i tried to but it wont give me the answer . this is the step i

    asked by v on December 3, 2012
  37. CHEM

    In reverse osmosis, water flows out of a salt solution until the osmotic pressure of the solution equals the applied pressure. If a pressure of 47.0 bar is applied to seawater, what will be the final concentration of the seawater at 20 °C when reverse

    asked by JSJFJF on February 19, 2012
  38. Calculus

    1. For f(x) = (1-x)/(1+x) and g(x) = x/(1-x), find the simplified form for f[g(x)] and state the domain? 2. Evaluate lim x -->1 ((√x^2 +8) -3))/(x-1) 3. A particle moves on a line away from its initial position so that after t hours it is s = 4t^2+t

    asked by Dante on October 1, 2017
  39. Calculus

    1. For f(x) = (1-x)/(1+x) and g(x) = x/(1-x), find the simplified form for f[g(x)] and state the domain? 2. Evaluate lim x -->1 ((√x^2 +8) -3))/(x-1) 3. A particle moves on a line away from its initial position so that after t hours it is s = 4t^2+t

    asked by Dante on October 1, 2017
  40. GEOMETRY CIRCLES PLEASE

    1.An isosceles triangle with each leg measuring 13 cm is inscribed in a circle . if the altitude to the base is 12 cm find the radius of the circle 2. Circles a and b are tangent at point c. p is on circle a and q is on circle b such that pq is tangent to

    asked by BARBIE LEE on December 7, 2013
  41. word problem help algebra

    1) For a walkathon a sponsor commmited to give you a flat ffe of $5 plus $2 for every mile you walk. Write an expression for the total amount you will collect from your sponsor at the enf of the walkathon. Then evaluate your =expression for 20 miles

    asked by marko on October 24, 2011
  42. algebra worD PROBLEM

    1) For a walkathon a sponsor commmited to give you a flat ffe of $5 plus $2 for every mile you walk. Write an expression for the total amount you will collect from your sponsor at the enf of the walkathon. Then evaluate your =expression for 20 miles

    asked by marko on October 24, 2011
  43. math, algebra

    my question is : on the following i have to graph them i just want to know if i am correct. for : x > 4 the line is going through in a straight line on number 4 in the y axis for: 3x greater than or equal to 2x - 4 the answer is after solving: x is less

    asked by jasmine20 on December 21, 2006
  44. science

    I need to find a good site with information about the bacteria Alcaligenes faecalis. I haven't been able to find anything no matter how much I searched, only bits and pieces. Would u know any good sites?

    asked by ali on December 10, 2006
  45. Macroeconomics

    Assume that preferencse are given by u(c,L) = 2*ln(c) +ln(L). The wage rate is $15 and the person has 120 hours of time available. Profits are 0. Taxes are 0. Write down two equations that describe the constraints faced by this consumer. Find an equation

    asked by Kayla on May 24, 2008
  46. bookkeeping

    bought 153units (unassembled)at 15.76 bought 105 units (assembled)at 25.76 what is the ammount that should be entered in the accounts payable column (a)484.38 (b)518.59 (c)528.76 (d)549.71 my answ245 brackets at .46 each less2%discount taken what amount

    asked by susue on April 7, 2012
  47. Quadratic Relations, Algebra, Math

    URGENT!! PLEASE HELP In a volleyball match. Jenny serves the volleyball at 14m/s, from a height of 2.5m above the court. The height o the ball in flight can be estimated using the equation h=-4.9t^2+14t+2.5, where h is the height, in meters, and t is the

    asked by Rose on December 8, 2016
  48. Algebra/can you ck my work

    The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 145 and a variance of 4. The material is considered defective if the breaking strength is less than 140 pounds. What is the probability that a single,

    asked by Mary Ann on June 2, 2014
  49. Physics

    1.A student moves a box of books down the hall by pulling on a rope attached to the box. The student pulls with a force of 181 N at an angle of 20.8◦ above the horizontal. The box has a mass of 40.3 kg, and μk between the box and the floor is 0.29. The

    asked by Alana on November 2, 2016
  50. Physics

    I have been unable to find text references for this material in my book: The problem gives me two spheres, Sphere A has unevenly distributed negative charges, Sphere B has negative charges distributed almost evenly near the edge of the sphere, forming a

    asked by BAdams on June 4, 2008
  51. marketing

    Your manager has asked you to investigate the Internet marketing strategies used by the company's major competitors. Use the library, the Internet, and any other resources to research competitors and prepare a presentation. Here are the questions to

    asked by ashley on February 17, 2011
  52. Accounting

    I know that you cannot answer homework questions directly, but in my accounting class we have to do a financial statement for Arcadia Hospital which is our checkpoint for Axia College of University of Phoenix. I did see previous question hoping to get more

    asked by ADA on April 8, 2010
  53. Accounting

    Average total assets for 2009 are predicted to be $8,000,000. (a) If management desires a 11 percent rate of return on total assets, what are the markup percentages for total variable costs and for total manufacturing costs? (Round your answers to the

    asked by Anonymous on November 20, 2018
  54. Physics HELP!

    You are at the controls of a particle accelerator, sending a beam of 3.90×10^7 m/s protons (mass m ) at a gas target of an unknown element. Your detector tells you that some protons bounce straight back after a collision with one of the nuclei of the

    asked by Allison on May 11, 2011
  55. Algebra II

    A projectile is launched from a platform 10 meters above ground with an initial upward velocity of 20 meters per second. Find the time when the projectile has returned to the initial height launch, find the time the projectile hits the ground, find the

    asked by Julia on December 8, 2011
  56. Probability

    Manhole explosions (usually caused by gas leaks and sparks) are on the rise in your city. On any given day, the manhole cover near your house explodes with some unknown probability, which is the same across all days. We model this unknown probability of

    asked by A on April 20, 2014
  57. Math

    The base of a pyramid-shaped tank is a square with sides of length 12 feet, and the vertex of the pyramid is 10 feet above the base. The tank is filled to a depth of 4 feet, and water is flowing into the tank at the rate of 2 cubic feet per minute. Find

    asked by Betty on February 14, 2016
  58. Psychology/Statistics

    For each of the following samples that were given an experimental treatment test whether these samples represent populations that are different from the general population (a) a sample of 10 with a mean of 44, (b) a sample of 1 with a mean of 48. The

    asked by Dawn on July 15, 2011
  59. Physics

    Given: G = 6.67259 × 10−11 Nm2/kg2 . A 602 kg geosynchronous satellite or- bits a planet similar to Earth at a radius 1.98 × 105 km from the planet’s center. Its angular speed at this radius is the same as the rotational speed of the Earth, and so

    asked by Holly on February 7, 2012
  60. Quick Geo Question! :-)

    Using Cavalieri's Principle, determine which of these prisms does not have the same volume as the others? a. dimensions 10 cm, 6 cm, 4 cm, 8 cm b. dimensions 6 cm, 8 cm, 8 cm c. dimensions 4 cm, 8 cm, 12 cm d. dimensions 8 cm, 3 cm 9 cm I got for a. 1,920,

    asked by Aaden Caldwell on March 18, 2016
  61. Chemistry...Help?

    I've been trying to understand these two questions and I've re-read my textbook a dozen times but I still get confused. 27, A: Which is a stronger acid - sulfuric or carbonic acid? (Answer: Sulfuric acid.) 27, B: Imagine you have two glasses. One contains

    asked by Rachel on May 12, 2009
  62. Math Grade 9

    A rectangular yard with an area of 50m squared is to be fenced on three sides. Minimizing the perimeter will minimize the cost of the fence. Conduct an investigation to determine the shape 0f the yard with the minium perimeter. I sqaure rooted the 50m and

    asked by I need help please! on October 30, 2016
  63. Chem

    Which of the following compounds are soluble? Choose at least one answer. a. BaSO4 b. K2SO4 c. KBr d. NaOH e. Al(OH)3 I originally thought it was the last four, but it isn't, or it isn't only/all of them. Aren't all sulfates and potassium soluble? What are

    asked by Anonymous on October 1, 2012
  64. Math

    If I I'm trying to find the average weight of a 2nd grade girl which would be the most effective and why? Mean, Median or Mode? If I'm trying to find the average cost of a home in a city which would be the most effective and why? Mean, Median or Mode? If

    asked by Anonymous on November 5, 2013
  65. math

    1. You have recently found a location for your bakery and have begun implementing the first phases of your business plan. Your budget consists of an $80,000 loan from your family and a $38,250 small business loan. These loans must be repaid in full within

    asked by Sequoiao9 on May 22, 2010
  66. Powerpoint

    okay, I need to do a powerpoint for this career "computer animation" I need help writing a simple, short, punchy paragraph or list. Yet able to get the message across to the audience. Heres original: The career outlook for computer animators is good and

    asked by Larry on December 13, 2008
  67. math

    Consider the Standard Normal curve: (a) Find the area between z = -0.45 and z = 1.45 (b) Find the value of z such that the area to the right of z is 1.5%.

    asked by yvonne bih on February 24, 2015
  68. Maths

    x is partly constant and partly varies with y.When y=5,x=19 and when y=10,x=34. (i) Find the relationship between x and y. (ii) Find x when y=7.

    asked by Jessica on October 26, 2018
  69. Geometry

    If ST = y + 2, RT = 5y – 10 and RS = 2y, then find the value of y and all three lengths. If RS = 4x, Line RS approximately equal to line ST and RT = 24, then find the value of x.

    asked by Patricia on November 15, 2013
  70. math

    Rewrite the equation so that y is a function of x: 1. 2/3y+4=2x 2. 1/2(y+5)+4x=3x 3. Use the result in Ex. 1 to find y when x= -1, 0, and 2. 4. Use the result in Ex. 2 to find y when x= -1, 0, and 2. Thank you very much for any help.

    asked by L.A on September 20, 2009
  71. History

    Can someone please tell me where to find this: What was the "Era of Good Feeling" In Germany? All I can find is in the U.S but I need Germany. Thanks

    asked by Sue on November 26, 2013
  72. math

    Need help in solving these Problem #1 For f(x)=-6x3+10 find f(4) and f(-4) Problem #2 For g(x)=20-5x2 find f(1) and f(-1)

    asked by Anonymous on October 10, 2010
  73. Math

    I need help in solving this: Problem #1 For f(x)=-6x3+10 find f(4) and f(-4) Problem #2 For g(x)=20-5x2 find f(1) and f(-1)

    asked by Anonymous on October 6, 2010
  74. Linear Algebra

    Let v1= (1,1,2,1) v2= (0,1,3,3) v3= (1,-1,-4,-5) v4= (1,0,-2,-4) a) Let U=span{v1,v2,v3,v4}. Find the dimension of U b) Is span {v1,v2,v3,v4}=R4? c) Find a basis for U Very Much Appreciated!!!

    asked by Simon on December 14, 2011
  75. math

    If 203n + 2m4n = 501n. a. Find the value of base n. b. Find the value of m PS the 'n' is really base n.

    asked by Lindsay on December 16, 2013
  76. Maths

    X is partly constant and partly varies as y.when y=2,x=30,and when y=6,x=50. A.Find the relationship between x and y. B.Find x when y =3

    asked by Mmesoma on November 25, 2018
  77. Math

    find the slope for (-16, -19) and (-18, -20) can some please help me I don't understand how to find the slope for this thank you in advance.

    asked by Norma on August 20, 2010
  78. Science

    what is the electron arrangement for boron? and how do you find the valence electron for it? i know it has 3 v.e. but how do you find it

    asked by Anna on March 17, 2010
  79. math

    how do you find the slope of a line? and is it possible to find it by taking two points on a line?

    asked by Anonymous on February 20, 2010
  80. algebra

    If (x-3) is a factor of 3x^3+bx^2-17x-12. a. Find the value of b. b.Hence , find the roots fo the equation 3x^3+bx^2-17x-12=0.

    asked by jodi on April 16, 2012
  81. Algebra

    Find the LCM of (7+9u), (49-81u^2), and (7-9u) Find the LCM of 15x^8 and 75x^8

    asked by Rene on July 11, 2010
  82. Pre-Calculus

    1. Find functions f and g so that f[g(x)]=H(x) where H(x)=(1+x^2)^3 2. For f(x)=4x+1 and g(x)=x^2-2x-4, find (g-f)(x) 3. Determine f(x)=x/x^2-4 4. Determine the domain of f in f(x)=10-sqrt3-x

    asked by kalakalikalakali on June 28, 2011
  83. Math

    Let f(x)=x^4-4x^3+10 Find the first derivative of the function. Find the critical values of the first derivative.

    asked by Britney on November 8, 2012
  84. Math

    Find all values of x in the interval [0, 2 pi] that satisfy 2 cos x-1 = 0. cos x = 1/2 x = 60 How do I find the other value of x?

    asked by Raj on September 25, 2007
  85. Math

    Let f(x)=x^4-4x^3+10 Find the first derivative of the function. Find the critical values of the first derivative.

    asked by Renee on November 8, 2012
  86. Pre-calc

    1. Find the polar coordinates of (8, –8) for r > 0. 2.Find the rectangular coordinates of (9, 150°)

    asked by Anne on September 17, 2012
  87. Math

    Given that x-1 is a factor of f(x)=x^6-5x^4-10x^2 k, find the value of k. When k has this value, find another factor of f(x) of the form x a, where a is a constant

    asked by Momito on April 30, 2012
  88. Calc 3

    Let C be the intersection of x^2+y^2=16 and x+y+z=5. Find the curvature at (0,4,1). I don't know how to find the intersection between the given equations.

    asked by Anon on October 15, 2015
  89. Math

    Find the length of the curve y=(x3/3)+x2+x+14x+4 Plases help to find the curve

    asked by Abdullah on March 15, 2017
  90. College Algebra

    I need to find the domain of f, the excluded values of f, the domain of (fg)(x); find (f+g)(-5), (f-g)(x), and (fg)(x) to the problem of: Let f(x)=(7x+1)/(3x+2) and g(x)=6x+5.

    asked by Gloria on October 16, 2011
  91. pre cal

    Q1: Find the length and midpoint of segment PQ given P(3,2) and Q(-1,4) Q2: The midpoint of AB is M(1/2 , 6). Given A(3,7), find the coordinates of B.

    asked by maxine on May 14, 2009
  92. maths

    x is partly constant and partly varies as y.Y =2, x=30 and when y=6, x=50.(a)Find the relationship between x and y.(b)Find x when y=3

    asked by kissmore on April 21, 2018
  93. Integral question

    1) find the integral from 1to -1 if(5sinx-2tanx+3x^5)dx 2) find the integral of x^3/(x^4+1)dx

    asked by Sarah on June 26, 2014
  94. Linear Algebra

    Given the following vector X, find a non-zero square matrix A such that AX=0: X=[2 -5 3]^T Im not sure how i would find the sqare matrix a?

    asked by Angel on October 2, 2017
  95. addmath A.P.

    Tn=3n-2 Find the first term,a;the common difference,d;and then find the 5th term.

    asked by mandy on March 7, 2015
  96. Pre Algebra

    equations of the system Ax-4y=9, 4x+By=-1 explain how to find the values of A and B,then find these values

    asked by Varice on March 28, 2012
  97. Math

    Find a function (rule) that describes the sequence" 24, 21, 18, 15 and find the next three in the sequence.

    asked by Anonymous on March 31, 2016
  98. Physics

    You have been asked to design a "ballistic spring system" to measure the speed of bullets. A bullet of mass m is fired into a block of mass M. The block, with the embedded bullet, then slides across a frictionless table and collides with a horizontal

    asked by Marie on March 23, 2014
  99. Math

    2x cubed minus x squared minus 6x plus 3. I know the answer is (2x-1)(x squared-3). Please help me with how they got that answer. Thank you!

    asked by Jane on September 9, 2010
  100. Math

    2x cubed minus x squared minus 6x plus 3. I know the answer is (2x-1)(x squared-3). Please help me with how they got that answer. Thank you!

    asked by Jane on September 9, 2010

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