1. math

    A class has 35 students, there are 9 more boys then girls. how many girls are there? write an equation to find the girls

    asked by ooocoool on March 23, 2016
  2. Math

    Uncle Ritchie has some $10 bills in his wallet. He shares all of them equally among his 4 nieces and nephews. Each of the nieces and nephews then donates two $10 bills to charity. They then each have five $10 bills. How many $10 bills did Uncle Ritchie

    asked by Cherie on March 22, 2013
  3. albebra

    I do not understand how to find x on a graph when there is no equation. I have the possible answers: a) x= -3, b) x=-1, c) x=5, d) x=1 It asks me to find the value of x when y is 5; however, the graph I have has a line (0,2) on the y axis and on the x axis

    asked by bart on June 12, 2010
  4. math

    On a typical day at an ocean port, the water has a maximum depth of 20m at 8:00AM. The minimum depth of 8m occurs 6.2h later. Assume that the relation between the depth of the water and time is a sinusoidal function. write an equation for the depth of the

    asked by sh on January 16, 2009
  5. Math

    An open rectangular tank (no top) with volume 11 cubic meters has a square base. The base has side x m. Write an equation for the surface area of the tank as a function of the length x. Surface Area = ? b. The base costs 1.1 cents/square m and the sides

    asked by Andrew on February 17, 2014
  6. MATH

    Jada is trying to determine the number of t-shirts that were in inventory before she started her shift. During her shift, she sold thirteen t-shirts, which left twenty-two t-shirts in inventory. -Define a variable. -Write an equation Jada can use to

    asked by cha on January 22, 2012
  7. Chemistry

    I am using 85% ACS grade phosphoric acid. I need to make a 21% phosphoric acid solution with a total volume of 250ml. I have been told that 37ml of the 85% ACS grade phosphoric acid plus 188ml of Deionized water will create the 21% phosphoric acid solution

    asked by Melissa on December 9, 2016
  8. spring prob. help on part c

    a 2 kg frictionless block is attached to an ideal spring with force constant 300N/m. At t=0, the spring is neither stretched or compressed and the block is moving in the negative direction at 12 m/s. find (a) amplitude, (B)phase angle (c) write an equation

    asked by Anonymous on June 26, 2009
  9. Geometry

    1. If ΔRST symbol ΔNPQ, then RT line is congruent to _____. (1 point) line NP line NQ line PQ line QP 2. Given RST NPQ, RT = 7x – 5, NQ = 5x + 11, find the length of RT and of NQ. (1 point) 8 51 40 56 3. Which of the following statements is true about

    asked by hi on December 5, 2013
  10. Computer Science

    For this task you will create a program that prints out a user-specified string. Then, on the next line, it prints out the string again, all except the last character. It continues printing the string with one less character on each line, until the last

    asked by Science Java on March 7, 2015
  11. Algebra

    Suppose you want to enclose a rectangular garden plot against a house using fencing on three sides, as shown at the left. Assume you have 50 ft. of fencing material and want to create a garden with an area of 150 ft². A. Let w = the width. Write an

    asked by Sophia on December 1, 2015
  12. math

    Austin is creating a new trail mix by  combining two of his best­selling blends.  A   pineapple­coconut­macadamia (pcm) mix  that sells for $18/kg and a banana­papayapeanut (bpp) mix that sells for $10/kg. Write 

    asked by sarah on September 12, 2015
  13. Math

    Andy and Cathy run for class president. There were 598 votes but 36 of the votes were with drawn. How would I write an equation that could be use to find n the number of votes that represent a tie?

    asked by Mark on November 15, 2010
  14. Algebra 1

    Jaden discovers another prepaid phone plan (Plan B) that charges a flat fee of $15 per month, then $.05 per text sent or minute used. Write an equation for the cost of Plan B.

    asked by SAM on September 8, 2017
  15. algebra

    Ms. Baldwin likes to eat cookies. She eats 3 cookies per day. After 5 days, there are 24 cookies left in the box. Write an equation represents the story in y=mx+b form

    asked by Aaron on October 28, 2014
  16. Algebra, Mathematics

    A $40 000 car depreciates at a rate of 13% per year. a) Write an equation to represent this situation. b) Find the value of the car in 3 years. c) How long does it take for the car to be worth half it's value?

    asked by Jacob on April 7, 2016
  17. Algebra

    Jaden discovers another prepaid phone plan (Plan B) that charges a flat fee of $15 per month, then $.05 per text sent or minute used. Write an equation for the cost of Plan B.

    asked by SAM on September 8, 2017
  18. Algebra II

    the width of a rectangle is six less than the length the area of the rectangle is 58 square feet write and solve and equation to find the dimensions of the rectangle rounded to the nearest tenth

    asked by Payton on October 5, 2017
  19. geometry

    Hi, I need some help with these, I am really tired b/c of my surgery, an explanation would be enough, thank you ever so much. 1) Given the following line and point not on the line, find the distance between them. y = 7x + 5 (-8,-1) 2) Find the distance

    asked by some summer hw on June 21, 2018
  20. algebra math

    (QUEESTION 1) In view of the soccer fever, the PE department bought x identical soccer balls for $450.If the price of each ball was reduced by $3, they would have bought 5 more balls. (a) write down the price of each ball (b) write down the price of each

    asked by jackydrewls on May 21, 2012
  21. physics

    A runner is jogging at a steady 4.8 km/hr. When the runner is 6.3 km from the finish line, a bird begins flying from the runner to the finish line at 14.4 km/hr (3 times as fast as the runner). When the bird reaches the finish line, it turns around and

    asked by I dont like physics on August 17, 2015
  22. statistics

    IQ scores were obtained from randomly selected couples.For 20 such pairs of people, the linear correlation coefficient is 0.881 and the equation of the regression line is y= -6.93+ 10.8x, where x represents the IQ score of the husband. Also, the 20x values

    asked by angela on November 23, 2013
  23. Regression

    Hi, Can anyone help me with a regression problem, I am doing energy species hypothesis ... I have calculated data and from f value of 22.39 have found the sq root of 4.73. 4.73 is significant at 1% c = f (x) = 0x + 2.2 ( not sure what this output means) I

    asked by Gary on June 2, 2009
  24. math

    I need help with parametric equations, locus problems, tell me how to solve all questions if you can. Need help with one below: Tangents are drawn to a parabola x^2=4y from an external point A(x1,y1) touching the parabola at P and Q (a) Prove that the mid

    asked by chris on November 1, 2010
  25. help!!!!!!!!!!

    When factoring a trinomial, why is it necessary to write the trinomials in four terms?" You keep posting this without any thinking. Can this be factored in four terms? 10x^5 + 2x + 17 Perhaps you are meaning factoring the "quadratic" (a polynomial of

    asked by jenn on June 16, 2005
  26. Physics

    (a) How high a hill can a car coast up (engine disengaged) if friction is negligible and its initial speed is 96.0 km/h? (b) If, in actuality, a 750 kg car with an initial speed of 96.0 km/h is observed to coast up a hill to a height 18.0 m above its

    asked by Devin on October 17, 2014
  27. geometry and combination

    On a straight line ℓ, we have an infinite sequence of circles Γn, each with radius 1/2^n, such that Γn is externally tangential to the circles Γn−1,Γn+1 and the line ℓ. Consider another infinite sequence of circles Cn, each with radius rn, such

    asked by infinite number of circles on March 16, 2013
  28. trigonometry

    Write the function in terms of the cofnction with an acute angle. tan 18degrees A. sec18deg B. cot18deg C. cot72deg D. cot108deg find a solution for the equation. sin(2theta+20deg) = cos(3theta-5deg) thnkks:))

    asked by y912f on January 15, 2009
  29. Organic chemistry

    1. In in experiment, sodium bisulfite solution is added at the end in order to destroy the unreacted bromime. What reaction is occuring here? Is HSO3- acting as an oxiding or reducing agent? Write a balanced equation as part of your answer.

    asked by ME on December 29, 2010
  30. Chemistry

    Each of the following nuclides is known to undergo radioactive decay by production of a beta particle, ^0_-1e. Write a balanced nuclear equation for each process. (Use 'e' for an electron, 'p' for a positron, and 'n' for a neutron. Omit states-of-matter

    asked by Jane on November 27, 2010
  31. SraJMcGin

    bonjour je suis étudiant français et j'aurais besoin de votre aide. C'est pour un questionnaire et je n'ai pas de correction. Pourriez vous me donner les vraies réponses quand vous aurez du temps libre svp. c'est à partir de la page 7. Cordialement,

    asked by mk-tintin on January 31, 2008
  32. Algebra

    This is a concept check on quadratic equation application. I am having trouble with a couple of parts. If anyone can help I would appreciate it. Suppose you are an event coordinator for a large performance theater. You need to supply information about

    asked by Aria on August 29, 2011
  33. Physics

    A runner is jogging at a steady 8.4 km/hr. When the runner is 2.6 km from the finish line, a bird begins flying from the runner to the finish line at 42 km/hr (5 times as fast as the runner). When the bird reaches the finish line, it turns around and flies

    asked by KGarcia on January 16, 2012
  34. Algerbra

    A homeowner wanted to improve the value of his home by putting tile flooring in three of his rooms. He researched the different types of tile and decided on two types: ceramic tile and decorative tile. He found that he could purchase the ceramic tile for

    asked by Anonymous on August 10, 2010
  35. Chemistry

    Iron (III) Nitrate reacts with Sodium Carbonate to form a precipitate. Be sure to indicate oxidation states (charges on each ion) & the precipitate. Skeletal Equation: Ionic Equation: (assume all ions are aqueous, dissociated free ions) NET Ionic Equation:

    asked by Sam on January 20, 2019
  36. math 214

    Answer each of the following: a. Draw a line l’ and any two points A and B so that AB is parallel to the line. Find the image of l under a translation from A to B. b. Draw a line l and any two points A and B so that AB is not parallel to l. Construct

    asked by brina on December 21, 2009
  37. chem

    Using condensed structural formulas, write a balanced chemical equation for each of the following reactions a)addition of H2O to trans-2-pentene using H2SO4 as a catalyst (two products) i got 2-pentanol and 3-pentanol but it is counting it wrong!

    asked by sara on September 25, 2012
  38. Chemistry

    Write a balanced net ionic equation to show why the solubility of Ca(OH)2(s) increases in the presence of a strong acid and calculate the equilibrium constant for the reaction of this sparingly soluble salt with acid.

    asked by Kat on May 27, 2016
  39. chemistry

    Write a balanced net ionic equation for the following reactions in acid soln Hydrogen Peroxide reacts w/an aqueos soln of sodium hypochlorite to form oxygen and chlorine gas

    asked by anonymous on November 18, 2011
  40. Science

    Write Nernst equation and find out the emf of the following cell at 25 degree Celsius. Pt,Br2(l)/Br-(0.010M)//H+(0.030M)/H2(1atm),Pt E• Br2/2Br-=1.08V,R=8.134Jk-1mol-1,F=96500C mol-1.

    asked by Anupama on July 11, 2018
  41. 5th grade math word problems

    abby has been practicing for her soccer game. She has been running 5/8 of a mile every day for 4 days. How many total miles does she run?Use a representation and write an equation. I do not understand what a representation is and would I multiply fractions

    asked by reid on November 18, 2015
  42. chemistry

    Predict the Products for the following reactions and write the chemical equation. Combustion: Liquid Octane, C8H18 burn in oxygen gas. how would you set this up and predict the product? Thnx in advance whoever figures it out :)

    asked by Kevin on January 21, 2010
  43. Precalculus

    Write the simplest polynomial equation with real coefficients having roots -i and 4. I have noooooo idea how to even start this one :( I thought you could start backwards with synthetic substitution but it didn't work. Any help on this is greatly

    asked by Emily on September 3, 2009
  44. chemistry

    When ammonia gas is burned in oxygen the products formed are water and nitrogen monoxide gas. Write the balanced equation showing this reaction NH4 + O2 --> H2O + NO i am stuck balancing this

    asked by lyne on January 23, 2009
  45. Chemistry HELP

    im confused please help thanks Gaseous nitrogen dioxide reacts with liquid water to yield aqueous hydrogen nitrate and nitrogen monoxide gas. Write the balanced equation including states

    asked by Zayn on March 3, 2019
  46. Math help please

    Sorreh I never really post question but I need help with this Write a real world problem that you can model with the two step equation 5x+7=10. Then solve the problem. I would really like it if Some one could explain this to me!! thanks agian ~lost gurls

    asked by Thili on November 18, 2016
  47. Chemistry

    For the following electrochemical cell, Co(s)/Co2(aq,.0155M)// Ag+(aq,2.50M)/Ag(s) 1.Write the net cell equation. 2.Calculate the following values at 25 degrees celcius. Eocell, Ecell, deltaGo rxn, and delta Grxn

    asked by Brianna on July 25, 2013
  48. chem

    Magnesium can react with aqueous nitric acid, HNO3, to form hydrogen gas and magnesium nitrate. Write down the balanced chemical equation for this reaction, remembering to use the state symbols.

    asked by ecquation on April 3, 2016
  49. science

    Magnesium can react with aqueous nitric acid, HNO3, to form hydrogen gas and magnesium nitrate. Write down the balanced chemical equation for this reaction, remembering to use the state symbols.

    asked by ecquation on April 3, 2016
  50. HELP PLEASE!!

    i need to know how to convert liters to decimeter and all of that by tomorrow.like for instance one of the questions on my homeowrk says write the letter of the equation that expresses an equal value.a)1L=1 dm b)1L=1cm cubed.so which on would it be?

    asked by sydney on August 16, 2005
  51. chemistry

    Sulfuric acid is dripped onto samples of three metals: silver, =zinc, and aluminium a) Use the activity series to determine whether a reaction will occur with each metal b) Write a chemical equation for each reaction that occurs

    asked by Michelle on January 11, 2015
  52. Chemistry

    Hydrogen sulfide gas burns in the presence of oxygen to produce sulfur dioxide gas and water vapor. Write a balanced chemical equation, including the physical state

    asked by Jasmine on March 2, 2016
  53. joint heirs college, Fola agoro, shomolu Lagos.

    CHEMISTRY (1) What is the equation for reaction when calcium oxide and coke are heated in electric furnace (2) what solid remains when the following is heated-(a) lithium trioxonitrate (v), (b) potassium trioxonitrate (v), (c) calcium trioxonitrate (v).

    asked by Agunlejika Precious on October 15, 2015
  54. Science

    A.) A runner is jogging at a steady 6.7 km/hr. When the runner is 3 km from the finish line, a bird begins flying from the runner to the finish line at 20.1 km/hr (3 times as fast as the runner). When the bird reaches the finish line, it turns around and

    asked by Serena on August 28, 2014
  55. English

    Base all answers on this passage They Flee from Me --Sir Thomas Wyatt They flee from me, that sometime did me seek With naked foot stalking in my chamber. I have seen them gentle, tame, and meek That are now wild, and do not remember That sometime they put

    asked by Anonymous on November 11, 2011
  56. accounting

    CORPORATE TAX ¨T¨T¨T¨T¨T¨T¨T¨T¨T¨T¨T¨T¨T¨T¨T¨T¨T¨T¨T¨T¨T¨T Memo: Whomever Date: A few minutes ago ¡­ From: Maire, Advanced Federal Taxation P.C. Re: 2007 Tax Return for New Client I received a call late last night from a prospective

    asked by marie on February 16, 2008
  57. English

    1. First, I delivered papers, then I practiced soccer. 2. Dan, I know you are tired, but the laundry is waiting. 3. Phillip, Homer, and Carla wrote poetry, Luis wrote a play. 4. The steady rain continued, yet nobody cared 5. Helen, please sing the soprano

    asked by HAYDEN on January 23, 2017
  58. math

    Which is the best display for the set of the number of tornadoes in the United States each year , If you want to be able to identify the mode? a) histogram with intervals of b) frequency table with intervals of 3 c) line pot d) line graph

    asked by Diana on May 6, 2013
  59. math

    A kite flying in the air has a 12ft line attached to it. Its line is pulled taut and casts an 11 ft shadow. Find the height of the kite. If necessary, round your answer to the nearest tenth.

    asked by mo on September 28, 2016
  60. physics

    A spectral line is emitted when an atom undergoes tranisition between two levels with a difference in energy of 2.4eV.What is the wavelength of the line (a)287nm(b)507angstrome units()377angstrome units(d)518nm

    asked by physics on September 22, 2013
  61. math

    "ThermoStar has been producing residential thermostats for over 50 years. Looking over the past 20 quarters (5 years) of the different product lines, the general manager has been trying to get a handle on sales, costs, and production, and has asked for

    asked by Emma on August 5, 2010
  62. math

    I have 14 questions and I was wondering if someone could check my answers. This is a do or die situation. If I don't get an A, I may not get to graduate. I really appreciate you taking your time to double check theses for me. Thanks if you do. I know its a

    asked by Brittany on April 2, 2011
  63. math

    Let F1=(-6,0) ,F2=(6,0) A=(10,0)64 + and B=(-10,0) write an equation of the set of all points p(x,y) such that (PF1/pluse /PF2/=20. now i know the problem is the square root of (x+6)^2 +y^2 + the square root of (x - 6)^2 + y^2 = 20 and the anserew is

    asked by jess on February 25, 2007
  64. coulomb law and gauss law Physics

    Two negative particles of charge=-Q and mass=rn orbits a stationary, positive particle of charge=+2Q at a radius= R' They are always at diametrically opposite points on the orbit. a. Find the total inward Coulomb force on one negative particle. b. Write

    asked by Pascual on October 20, 2008
  65. English

    Hi, I wanted to know if anybody knows or knows a website that can explain each line in the poem “The Tide Rises and the Tide Falls” by Longfellow This site has comments about the poem, but I didn't find a site that explains it line by line.

    asked by Larry on January 16, 2007
  66. English

    I want to write a poem for tomorrow, but don't know how to write it or what to write it about.

    asked by Igorry on January 22, 2016
  67. math

    The Burbank Buy More store is going to make an order which will include at most 60 refrigerators. What is the maximum number of TVs which could also be delivered on the same 18-wheeler? Describe the restrictions this would add to the existing graph. The

    asked by at a lost on March 8, 2013
  68. Programming

    Write a program that would calculate and display the results for the multiplication table for values ranging from 1 to 100. Your program should print the output for each step and output a new line after 10 items. Provide your program design for the program

    asked by Larisha on September 23, 2012
  69. Calc

    t 0 5 10 r(t)0 90 0 A shop is open 9 AM - 7 PM. The function r(t), gives the rate at which customers arrive (in people/hour) at time t, where t measures time in hours since 9 AM. Suppose that the salespeople can serve customers at a rate of 75 people per

    asked by Natalie on July 21, 2014
  70. Math

    The week before a big concert, five friends (Alvin, Bert, Chip, Dennis, and Ethan) stood in line to buy tickets. There were other people between them, but the five friends were in line in the order listed above. The line was really long, and they were

    asked by Joe on February 16, 2010
  71. Statistics (Math 210)

    Hi there, I am working on a few homework assignments and having trouble with a few questions. I sincerely appreciate any and all help! :) A bank claims that the mean waiting time in line is less than 4.1 minutes. A random sample of 60 customers has a mean

    asked by Christa on December 4, 2016
  72. Math

    Inside a triangle formed by the line 3x+4y=1 and the positive coordinate axis, inscribe a square with three of the vertices on the coordinate axes and one vertex on the line. 1) Find the length of a side of the square. In the triangular region described

    asked by Mike on November 29, 2017
  73. Math Alg 1

    I never understood the system of inequalities and using a graph, help? Plot the graph as if there were an equal sign instead of > or < ; then use logic to decide where (which side of the line) the possible solutions exist. Example: for x>2, Plot an x=2

    asked by keeli on March 14, 2007
  74. Math

    The parametric equation {x=t^2+4t+8 ; y=t+4 a. Reduce the equation to simplest rectangular form b. Determine the Center and the type of graph of the resulting equation. c. Graph the equation in rectangular form

    asked by Allyssa on June 25, 2015
  75. Science

    Hello. I have this question for my class. We were to mix Na2S2O3 to a a test-tube with Varsol layer on top and an Aqueous layer (of I2/KI) on the bottom. I observed a lighter colour change in both layers. How would I express that as a chemical equation?

    asked by Karan on March 9, 2014
  76. python 3

    For this option, first ask the user how many items there will be. ("How many items will there be?") Then, accept a name, a price, a name, a price, etc. until you have enough name-price pairs. You should then format the receipt so that each item shows up on

    asked by Anita on October 29, 2012
  77. geometry

    At the marine park, one of the aquariums is shaped like a rectangular prism. The inside dimensions are 22 feet long, 9 feet wide, and 7 feet high to the water line. 9 ft 22 ft 7 ft Which equation could be used to find the volume of water that would have to

    asked by Anonymous on March 2, 2010
  78. Programming

    1.Do the planning and write an algorithm to solve the following problem. Prepare test data for the example to test all possibilities and draw a trace table. Sam works at a coffee company where all the employees receive a bonus of R700, except the employees

    asked by Anonymous on March 30, 2015
  79. math

    Write an equation relating the number of questions I get right on a test to the total score I will get if the test has 20 questions each with the same point value and the test is worth 100 points total. I know each question is worth 5 points so I would

    asked by Ashley on September 17, 2014
  80. Physics

    I just wanted to be sure if I got the answer right 1. Jenny (75 kg) goes on a ski trip. She goes down a slope that's inclined at 15*. Her drag coefficient is 0.300, the area of contact with the air is 0.750 m^2 and the air density is 1,31 kg/m^3. The

    asked by Tom on January 31, 2012
  81. math

    (1) Is the equation true false or open? 9p + 8 = 10p + 7 A. open;there is a variable ***** B. true;the expressions are all the same for all values of the variiables C. false;the expressions are never the same (12) Which equation is an identity? A. 11 - (2v

    asked by kelseypooh on October 10, 2018
  82. algebra

    (1) Is the equation true false or open? 9p + 8 = 10p + 7 A. open;there is a variable ***** B. true;the expressions are all the same for all values of the variiables C. false;the expressions are never the same (12) Which equation is an identity? A. 11 - (2v

    asked by kelseypooh on October 10, 2018
  83. 7th grade art

    1. The ingredients, or building blocks, of an artwork (1 point) studies of art principles of art categories of art elements of art 2. The name of a color (1 point) value intensity hue fue 3. The arrangement of hues in a circular format (1 point) color

    asked by Delilah on September 28, 2012
  84. Math

    The diagram: it is a large triangle labelled ACD(AC a line horizontal, then AD and CD joining at the tip going down-so the triangle is "upside down" with the base up) with a line drawn that connects point E, which intersects segment CD at the middle(a

    asked by Winnie on March 18, 2015
  85. Science (Chemistry

    Use the experimental data below to determine the order of the reaction with respect to [Cr(NH3)5Cl]^2+(aq)+OH^-(aq)-->[Cr(NH3)5(OH)]^2+(aq) +Cl^-(aq) You must show your work for any calculations and/or sketch or include a printed graph showing how the

    asked by Asley on October 11, 2011
  86. Algebra

    Write an equation for a function at has a graph with the given characteristics. the shape of y=|x| is reflected across the y-axis. this graph is then vertically stretched by a factor of 1.5. Finally, the graph is shifted 4 units downward.

    asked by Help on September 22, 2016
  87. Chemistry

    What is the half-life of sodium-24? Explain how you determined your answer. Sodium-24 decays by beta emission. Write a nuclear equation that shows the decay of sodium-24 and its products.

    asked by Help plz....Chloe on May 31, 2013
  88. Algebra

    Geppetto is a puppet maker. He starts the month with 3 puppets ready to sell, and makes 9 puppets per day. Write an equation to model this situation (use d for days and p for puppets).

    asked by Rachel on June 25, 2016
  89. Chemistry

    Write a net ionic equation that represents the reaction: 1. ionization of HCl3 in water: My answer: HClO3+H20->H3O+ClO3 2. NH3 functioning as an Arrhenius base: Mine: NH3+(OH)->NH4+O The first one is ok but you need to show the + charge on the H3O^+ and

    asked by Liz on February 15, 2007
  90. Algebra2

    Find the polynomials roots to each of the following problems: #1) x^2+3x+1 #2) x^2+4x+3=0 #3) -2x^2+4x-5 #3 is not an equation. Dod you omit "= 0" at the end? #2 can be factored into (x+1)(x+3) = 0, so the roots are x=-1 and -3. #1 Use the quadratic

    asked by Haylee on May 13, 2007
  91. Quick Question!

    If I wanted to write a speech that was going to be 10 minutes long, How long does the page have to be?, How many pharagraphs do I have to write?, How many pages do I have to write?

    asked by Mack on November 4, 2007
  92. math

    (w+9)^3+56=0 write were w i a real number write answer in simplified radical form write b^2/3 as a radical expression

    asked by kj on March 13, 2013
  93. Chemistry (Urgent)

    Ksp of PbI2 at 25 degrees celcius and 15 degrees celcius is 7.5×10^-8 and 7.5×10^-9 respectively. (Pb=207 I=127) 1) write an expression for the equilibrium of PbI2 2)write an equation for the Ksp of PbI2 3)calculate the solubility of PbI2 at 25 degrees

    asked by Isura on February 28, 2017
  94. Algebra

    f) Suppose you started with 100 bacteria, but they still grew by the same growth factor. Explain how your exponential equation in (b) would change. y=1*3x**** b) is Bacteria name: Staphylococcus aureus Generation Time: 30 minutes *Note: The generation time

    asked by BUBBLES on May 20, 2016
  95. Creative Writing

    "I'm sorry," her voice was broken by her tears, "I'm so, so sorry!" Is that line written properly, or would you write it like [ "I'm sorry." Her voice was broken by her tears. "I'm so, so sorry!"]

    asked by Me on September 15, 2013
  96. Foreign languages

    I need to write an example with "hand something over". Can you please help me? 1) I'll hand over the line (??) to the studio in Glasgow. 2) Have you ever had to lend him your book? Is this possible? 3) Did you ever have to lend him your book?

    asked by Mike1 on April 25, 2012
  97. Algebra

    Find a rational function that satisfies the given conditions. Answers may vary, but try to give the simplest answer possible: Vertical asymptotes x = -4, x = 5; x-intercept (-2,0)

    asked by Britney on July 15, 2009
  98. Algebra

    Find a rational function that satisfies the given conditions. Answers may vary, but try to give the simplest answer possible: Vertical asymptotes x = -4, x = 5; x-intercept (-2, 0)

    asked by Angie on July 15, 2009
  99. math

    tickets to a play cost 3 dollars a child and 5 for adults. theater wants at least 1500 in sales. find intercept and describe what each one represents?

    asked by sandra on November 6, 2014
  100. Math

    find the x-intercepts by factoring g(x)=x^4-27x I'm really confused. All I can think is to factor out one x, but that only makes the x-intercept 0 and the answer is supposed to be 0 and 3. I don't understand what I'm doing wrong.

    asked by Sami on October 3, 2009

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