Questions Asked on
January 19, 2013

  1. Microeconomics

    ADVANCED ANALYSIS Assume the following values for Figures 5.4a and Figures 5.4b. Q1 = 20 bags. Q2 = 15 bags. Q3 = 27 bags. The market equilibrium price is $45 per bag. The price at a is $85 per bag. The price at c is $5 per bag. The price at f is $59 per

    asked by Mary
  2. math pre-calc

    find an expression for sin (5 theta) as a fifth degree polynomial in the variable sin(theta) ?

    asked by aparajita
  3. english

    NOMINAL CONFISCATE CONSTITUTE DECIPHER DEFAULT HYPOTHETICAL CONCURRENT PREDOMINANT PREREQUISITE RECESSION 1-2. This summer, local children can sign up for art or music lessons for a _____ fee of $ 3.00. It’s impossible to take both, though, since the

    asked by Joana
  4. Chemistry

    Hydroxylapatite, Ca10(PO4)6(OH)2, has a solubility constant of Ksp = 2.34 × 10-59, and dissociates according to Ca10(PO4)6(OH)2(s) --> 10Ca2+(aq) + 6PO43-(aq) + 2OH-(aq) Solid hydroxylapatite is dissolved in water to form a saturated solution. What is the

    asked by Gabby
  5. early trig

    A monument stands on level ground. The angle of elevation of the top of the monument, taken at a point 425 feet from the foot of the monument, is 32º. Find the height of the monument to the nearest foot.

    asked by meep
  6. physics

    A spelunker is surveying a cave. She follows a passage 150m straight west, then 270m in a direction 45^\circ east of south, and then 280 {\rm m} at 30^\circ east of north. After a fourth unmeasured displacement, she finds herself back where she started.Use

    asked by epifanio
  7. Chemistry

    At a certain temperature, 0.700 mol of SO3 is placed in a 3.50-L container. At equilibrium, 0.100 mol of O2 is present. Calculate Kc. 2SO3=2SO2 +)2

    asked by Paul
  8. PHYSICS

    What is the thinnest film of a coating with n=1.42 on glass n=1.52 for which destructive interference of the red component (650 nm) of an incident white light beam in air can take place by reflection? I ALREADY SOLVED THIS QUESTION, BUT I NEED SOMEONE TO

    asked by udochi
  9. chemistry

    Carbon disulfide is prepared by heating sulfur and charcoal. The chemical equation is S2 +C =CS2 Kc= 9.40 at 900k How many grams of CS2(g) can be prepared by heating 14.3 moles of S2(g) with excess carbon in a 8.55 L reaction vessel held at 900 K until

    asked by Paul
  10. statisitics

    A company installs 5000 light bulbs, each with an average life of 500 hours, standard deviation of 100 hours, and distribution approximated by a normal curve. How many bulbs should have a life expectancy between 400 and 600 hours?

    asked by anoneemose
  11. Physics

    A total charge of 16ìC passes through a cross-sectional area of a nichrome wire in 4 s. How many electrons pass through the cross-sectional area in 16 s? This has to do with Electric current and so i know that means 16ìC = 16 x 10^-6 = 1.6x10^-5.

    asked by Struggling Student
  12. Physics

    A ball is thrown vertically upward from a window with an initial velocity of 10m/s. if it hits the ground below the window 5.0s later, what is the height of the window...can you tell me the steps on how to do this please...

    asked by Luellen
  13. maths

    an open box of rectangular base is to be made from 24 cm by 45cm cardboard by cutting out squares sheets of equal size from each corner and bending the sides.find the dimensions of the corner squares to obtain a box having largest volume.

    asked by sadia khan
  14. Math

    A rectangular field will be fenced on all four sides. Fencing for the north and south sides costs $5 per foot and fencing for the other two sides costs $9 per foot. What is the maximum area that can be enclosed for $6000?

    asked by Alex
  15. algebra

    how do the graphs of y=1/x and y=3/x-4 compare? a) compared to the graph of f=1/x the grapg of y=3/x-4 is vertical stretch by factor of 3 and a translation of 4 units left b) compared to the graph of y=1/x the graph of 3/x-4 is a vertical shrink by a

    asked by lee
  16. Physics

    A boy's hand pushes a ball through a vertical distance of 1.45 m as he throws the ball straight upward. Once the ball leaves his hand it travels an additional 22 m (straight up) before returning to earth. Find the acceleration of the ball while it was in

    asked by Luellen
  17. Math

    A bus company has 4000 passengers daily, each paying a fare of $2. For each $0.15 increase, the company estimates that it will lose 40 passengers. If the company needs to take in $10,450 per day to stay in business, what fare should be charged?

    asked by Emme
  18. College Algebra

    I need some help with a handful of questions. I need to see the steps on how to get to the final answers. I would also appreciate if you can explain how you got to those steps. Rationalize each expression by building perfect nth root factors for each

    asked by Krissy
  19. finance

    1. The U.S. financial system is composed of: (1) policy makers, (2) a monetary system, (3) financial institutions, and (4) financial markets. Indicate which of these components is associated with each of the following roles: a. accumulate and

    asked by mark
  20. Physics

    A 20 g lead bullet leaves a rifle at a temperature of 47 degrees celcieus and travels at a velocity of 500 m/s until it hits a large block of ice at 0 degrees celcuis and comes to rest within it. How much ice will melt?

    asked by Joe
  21. English

    How did the elephant save the life oe porus.

    asked by John
  22. Chemistry

    a.) Caculate the energy of light emitted when an electron moves from n=2 to n=1 in the hydrogen atom. b.) Caculate the energy of light emitted when an electron moves from n=4 to n=2 in the hydrogen atom. c.) How many total different light energies can be

    asked by Brenda
  23. Trig

    A 60-foot flagpole stands on top of a building. From a point on the ground the angle of elevation to the top of the pole is 45 degrees and the angle of elevation to the bottom of the pole is 42 degrees. How high is the building?

    asked by Stephanie
  24. calculus

    Let f(x)=x2+x−6x−2. Note that f(x) is undefined at x=2. However, in this case, we can find a continuous function g(x) defined at x=2 that agrees with f(x) near x=2. Find the function g(x) that is equal to f(x) when x≠2 such that g(2)=limx→2f(x).

    asked by lisa
  25. Chemistry

    You have 475 mL of an 0.47 M acetic acid solution. What volume (V) of 1.10 M NaOH solution must you add in order to prepare an acetate buffer of pH = 5.00?

    asked by Mark
  26. ENGLISH

    In which of these sentences are quotation marks used incorrectly? A. "Neither a lender nor a borrower be," he said B. Raising her hand in warning, she said, "Be gone, you wicked spirit." C. "I could not believe she said, 'I never worry,'" Kate muttered. D.

    asked by Anonymous
  27. physics

    At the end of a race a runner decelerates from a velocity of 7.00 m/s at a rate of 0.300 m/s2.

    asked by Anonymous
  28. Physics

    A car is traveling around a horizontal circular track with radius r = 190.0 m at a constant speed v = 22.0 m/s as shown. The angle èA = 15.0° above the x axis, and the angle èB = 63.0° below the x axis. 1) What is the magnitude of the car’s

    asked by Anonymous
  29. geography

    when did the seat of Japanese Emperors moved from Kyoto to Edo

    asked by alex
  30. Astronomy

    buenos aires and sydney are both at latitude 34 south but buenos aires is at longitude 58 west and sydney is 151 east. how many hours after passing through the zenith in buenos aires will it pass through the zenith in sidney?

    asked by Judy
  31. physics

    A 20 g lead bullet leaves a rifle at a temperature of 47 degrees celcieus and travels at a velocity of 500 m/s until it hits a large block of ice at 0 degrees celcuis and comes to rest within it. How much ice will melt?

    asked by jjwatt
  32. chemistry

    Ethylene glycol (antifreeze) has a density of 1.11 g/cm^3 What is the volume in liters of 3.42 kg of this liquid?

    asked by caran
  33. Health

    I have to create a nursing case study. I have everything I need, but am not sure how to present it. Details: 67 year old causcasain male diagnosed with emphysema returns with shortness of breath, etc. supposedly associated with CHF. Have to have everything

    asked by Sara
  34. anthropology 101

    the hydraulic theory of state formation is

    asked by Anonymous
  35. finance

    ATM Banc has the following liabilities and equity categories: Deposits $9 million, Other liabilities $4 million, Owners’ capital $2 million. . a. What would be the bank’s total liabilities and capital if owners’ capital were half the size of other

    asked by mark
  36. World History

    What difficulties did early humans face in migrating to Australia and the Americas and what are the theories about how they overcame those difficulties?

    asked by Gregory
  37. Chemistry

    Calculate the amount (g) of each of the following salts that need to be added to a 200 mL volumetric flask to produce a 2 M solution of S. CaSO(subscript 4) [NH(subscript 4)subscript 2]SO(subscript 4) NOTE: the subscript 2 is outside the (NHsubscript 4)

    asked by Sejul
  38. Chemistry

    At a certain temperature, the equilibrium constant, Kc, for this reaction is 53.3. At this temperature, 0.300 mol of H2 and 0.300 mol of I2 were placed in a 1.00-L container to react. What concentration of HI is present at equilibrium?

    asked by Paul
  39. Finance

    Suppose the chances of winning the lottery are 1 in 14 million with the earnings of $20 million to the lucky winner. A ticket costs $1. However, the winnings are paid over 20 years, with the first $1 million payment occurring immediately. If inflation is

    asked by Jessie
  40. IGCSE MATHS

    A firm selling CDs finds that the number sold (N thousand) is related to the price (£P) by the formula 6P + N = 90. (1) Draw the graph of N against P for 0 < N < 90 (the vertical axis should be the P axis, and the horizontal axis should be the N axis).

    asked by Anonymous
  41. Chemistry

    What is the silver ion concentration in a solution prepared by mixing 487 mL of 0.384 M silver nitrate with 379 mL of 0.583 M sodium phosphate? The Ksp of silver phosphate is 2.8 × 10-18

    asked by Gabby
  42. Algebra

    A truck driver traveled at an average speed of 58 miles per hour on a 200-mile trip to pick up a load of freight. On the return trip (with the truck fully loaded), the average speed was 37 miles per hour. Find the average speed for the round trip.

    asked by olga
  43. chinese grammar

    我们的 礼貌 她 拒绝 了 要求 地 (arrange in correct order)

    asked by essie
  44. Environmental Biology

    Identify two different types of businesses or corporations (be as specific as possible) that receive subsidies, through which it could be argued that environmental damage is a result. Briefly describe the environmental damage for each.

    asked by Grace
  45. Stadistics

    Select the most appropriate study design for each of the following questions. (Note: All study design options may not be used and each design option can be used more than once. 1. A study is done to examine the association between a mother’s education

    asked by Anonymous
  46. physics

    A powerful motorcycle can accelerate from rest to 24.8 m/s (55 mi/h) in only 5.90 s

    asked by Anonymous
  47. physics

    A helicopter blade spins at 110 revolutions per minute. Its tip is 5.50 m from the center of rotation.

    asked by Anonymous
  48. science

    3. Isra fills two identical balloons at identical temperatures. She fills one with O2 gas and the other with O3 gas. Which balloon will deflate faster? Why?

    asked by Anonymous
  49. Math

    The difference between two numbers is 34. The larger exceeds 3 times the smaller by 4. Find the numbers . Use let statements

    asked by Perry
  50. physics

    Lauren is pedaling down a steep hill on her bicycle and wants to be able to coast up the next hill, which is 25 meters high, without pedaling up the hill at all. What would her speed at the bottom need to be? 50 m/s 71 m/s 7.1 m/s 240 m/s

    asked by natali
  51. English

    Culture diversity/a mobile workforce command creative leadership, new partnerships, and innovative approaches to integration? I put Culture diversity/a mobile workforce command creative leadership, new partnerships, and innovative approaches to

    asked by Tara
  52. chemistry

    Assuming the temperature and pressure are held constant, which of the gas samples has the greatest number of gas particles? Answer 45.0 mL O3 35.0 mL N2 15.0 mL of CO2 25.0 mL of SO3 how would i go about answering this question.

    asked by jakey
  53. chemistry

    An elctrochemical cell is made up of Zn&Co with their standard reduction potential -0.76V,-0.28V respectively. 1. Select the anode&cathode? 2. Write down the cell reactions? 3. Compute the e.m.f of the cell?

    asked by Anonymous
  54. maths

    find the value of a and b , dy/dx(sinx/2tanx+cosx)=a+bsinxtan^2x/(2tanx+cosx)^2 differential equation

    asked by sadia khan
  55. MATH URGENT!!!!!!!

    the will of an eccentric millionaire reads as follows: "i leave 4/17 of my estate to my son, 7/13 of the remainder to my wife, 2/3 of this remainder to my daughter, and the remaining $2million to my dog." what was the total amount of the estate? please

    asked by don
  56. Computer

    What is the standard configuration for a newly purchased hard drive? A. Master-drive B. Single-drive C. Slave-drive D. Primary-drive

    asked by Nikki
  57. Melanie

    A right triangle has a hypotenuse of length 13 meters and one side of length 5 meters. What is the length of the third side and the angle between the hypotenuse and the 5 meter side? A. 144 meters, 67.38 degrees B. 12 meters, 22.62 degrees C. 10 meters,

    asked by Physics
  58. statistics

    Using the fitted regression model, estimate the average change in cry time for infants with severe pain versus those without severe pain, holding group constant. Provide a 95% confidence interval for this estimate

    asked by laura
  59. physical science

    If you dissolve 25.0g og sugar in 150cubic cm of water, what is the concentration in g/cm3 g/10cm3 g/10cm3

    asked by kelly
  60. Computer Hardware

    Your computer fails to boot which has Vista as the operating system. You suspect that the problem is the hard drive, but you aren't sure. What can you do to prove that the problem is indeed the hard drive? A. Install XP on the hard drive and attempt to

    asked by Beth
  61. math

    3x^2+6x/2x^2-11x+12 - 2x^2-5x+3/x^2+x-2 ÷ 4x^2-12x+9/x^2-4 I got 3x^3+2x^2-12x+8 / (x-1)(2x-3) (x-4) Is this right please show your steps so I can understand! Thanks I greatly appreciate your help! Iwas just wondering wen my question be answered...thanks

    asked by Satrianna
  62. Math

    Find in terms of trigonometric function of x Tan(90° + x)

    asked by Riley
  63. Accounting

    Can someone show me this bank reconciliation? On Aug 14th, One of our Partner's ( Compuville ) cash book showed a debit balance of $4,000.00. His bank statement showed a balance of $4,270.00. On comparison the following were found: * check issued amounting

    asked by Lee
  64. Algebra 2 ..

    What is the domain and range? f(x)=3^x-4

    asked by Anonymous
  65. Trigonometry

    give me an expression that is equivalent to 1(7x)−52

    asked by Jerrry
  66. Math 104

    A poll was taken of 100 students at a commuter campus to find out how they got to campus. The results were as follows: 34 said they drove alone. 24 rode in a carpool. 28 rode public transportation. 3 used both carpools and public transportation. 3 used

    asked by DEE
  67. Physics

    A lizard of mass 3.0 g is warming itself in the bright sunlight. It casts a shadow of 1.6 cm^2 on a piece of paper help perpendicularly to the Sun’s rays. The intensity of sunlight at the Earth is 1.4 x 10^3 W/m^2, but only half of this energy penetrates

    asked by Joe
  68. math

    In the xy-coordinate plane, the distznce between point B(15,7) and point A(x,15) is 17. What is one possible value of x?

    asked by Ana
  69. math

    Simplify the rational expression in the form A/B. X^-2+X^-4. Express the final result in a single fraction using positive exponents only.

    asked by aly
  70. college math

    divide 2x^2-8x19 byx-3

    asked by susie
  71. calculus

    Let f(x)=(2+x)2−4x. Note that f(x) is undefined at x=0. However, in this case, we can find a continuous function g(x) defined at x=0 that agrees with f(x) near x=0. Find the function g(x) that is equal to f(x) when x≠0 such that g(0)=limx→0f(x).

    asked by lisa
  72. maths

    what will be the total cost of creating a 1-foot border of tiles along the inside edges of a room

    asked by madhu
  73. thermal physic

    What is the average translational kinetic energy of one mole Of gas molecule in an ideal gas at 37degree celsius

    asked by john
  74. Fundamentals of Interpersonal Communications - 157

    Write an essay that (1) defines and describes the five stages of Maslow's Hierarchy of Needs and (2) includes a discussion of how belonging needs and self-esteem needs currently apply to you. Be specific and use examples to illustrate each.

    asked by Anonymous
  75. Statistics

    Can you get the mean, median, and mode from a list of credit card names?

    asked by Tonya
  76. math150

    solve for d (p/(d+b))=(g/d)

    asked by eddie
  77. Chemistry

    How many cm3 solution of 36% HCl with density 1.183g/cm3 should be taken to prepare 250cm3 solution with concentration of 0.215 g/dm3.

    asked by GenChem
  78. chemistry - Please help

    In the redox reaction: 2FeS + 4.5 O(subscript 2)+ 2H(subscript 2)O > Fe(subscript 2)O(subscript 3) + 2H(subscript 2)SO(subscript 4) Fe is oxidized or reduced (select one) from ___ to ___. S is oxidized or reduced (select one) from ___ to ___.

    asked by Sushmitha
  79. [hysics

    A powerful motorcycle can accelerate from rest to 24.8 m/s (55 mi/h) in only 5.90 s

    asked by Anonymous
  80. math

    1. solve for y: 2y-33y

    asked by john
  81. business developement

    Calculate the monthly mortgage payment for only the principal and interest. Purchase price = 150,000; down payment = 20%; interest rate = 4.5%; 20 year term

    asked by Anonymous
  82. Chemistry/Calculus

    I have a question about how to plug in numbers on my calculator (TI-30XIIS) to get an answer. How would I put in my calculator... ln 1.00X 10-2 mol/L /1.65 X 10-2 mol/L to get-0.501? I keep getting the wrong answer...

    asked by John
  83. Math

    At a college basketball game, the ratio of the number of freshmen who attended to the number of juniors who attended was 3 to 4. The ratio of the number of juniors who attended to the number of seniors who attended was 7 to 6. What was the ratio of the

    asked by Sarah
  84. Hard algebra qestion

    3x^2+6x/2x^2-11x+12 - 2x^2-5x+3/x^2+x-2 ÷ 4x^2-12x+9/x^2-4 I got 3x^3+2x^2-12x+8 / (x-1)(2x-3) (x-4) Is this right please show your steps so I can understand! Thanks I greatly appreciate your help!

    asked by Satrianna
  85. math

    In order to decide where he is moving, Dr. Early plays a coin game against himself. If he gets the sequence THH first, he moves to Austin. If he gets the sequence HHH first, he moves to Tacoma. What is his chance of moving to Tacoma? (T represents tails

    asked by meep
  86. math

    The polynomial 3x^2-2x-2 has roots p,q. what is the value of 1/p + 1/q?

    asked by meep
  87. Math

    An archer misses the target on her first shot and hits the target on the next 3 shots. What is the least number of consecutive shots that she must now make in order to have hit the target on at least 9/10 of all her shots? ( please show work on how to

    asked by Sarah
  88. chem

    Calculate the number of moles of solute present in each of the following solutions. a) 39.0 mg of an aqueous solution that is 1.00 m NaCl b)90.0 g of an aqueous solution that is 2.10% sucrose (C12H22O11) by mass.

    asked by Samantha
  89. foundations of math

    simplify 10(-3a+3b-3c)-8(4a-6b+3c)

    asked by rj
  90. Math

    For a certain product, one case holds 8 boxes and each box holds 12 items, how many total cases are needed to hold 500 items?

    asked by Jenny
  91. math

    if 3/4 is multiplied by itself , will the product be greater than 3/4? explain

    asked by Anonymous
  92. algebra 1

    what steps someone would take to use your method (substitution)

    asked by da
  93. SPANISH

    Por vs Para 1. No lo vas a creer, pero ellos se pelearon ——— algo. 2. Yo podia contar con ella—-----— todo, pero ahora es muy egoista.

    asked by Anonymous
  94. Maths

    Greg and Martin's age when added together come to a total of 60 years. Now Greg is twice as old as Martin was when Greg was half as old as Martin will be when Martin is five times as old as Greg was when Greg was five times as old as Martin. With all this

    asked by Steve
  95. Computer Harware

    You have a single hard drive on your computer that contains two NTFS partitions. Your computer's operating system alerts you that the C partition is running out of room. Your E partition still has 75 gig of free space. What is the least intrusive way to

    asked by Beth
  96. Algebra 2 ..

    What is the domain and range? f(x)=3^x-4

    asked by Anonymous
  97. Physics

    Three resistors 2.5 Ù, 3.5 Ù and 4 Ù are connected in parallel. What is the equivalent resistance? I know you must use 1/Req = 1/R1 + 1/R2 + 1/R3 But then I get .935 and I don't think that's correct. What am I missing? Thanks

    asked by Physics kid
  98. Composite Functions

    Find the composite functions for the given functions. (6 marks) f(x) = 4x + 1 and g(x) = x2 f(x) = sin x and g(x) = x2 - x + 1 f(x) = 10x and g(x) = log x

    asked by Anonymous
  99. statistics

    Using the fitted regression model, estimate the average change in cry time for infants with severe pain versus those without severe pain, holding group constant. Provide a 95% confidence interval for this estimate. My question: What holding group constant

    asked by laura
  100. physics

    Lauren is pedaling down a steep hill on her bicycle and wants to be able to coast up the next hill, which is 25 meters high, without pedaling up the hill at all. What would her speed at the bottom need to be? 50 m/s 71 m/s 7.1 m/s 240 m/s

    asked by natali
  101. Calculus

    Which of the following is the Taylor series of ln(1−2x) about x=0 up to and including the terms of order three?

    asked by Anonymous
  102. Physics

    Calculate the height of the brain above the heart for an animal with an additional blood pressure of 222 mmHg in the heart. Use ρ = 1.055 g/cm3 for the density of blood.

    asked by Paulina
  103. Physics

    A diver thinks that if a typical snorkel tube of 0.13 m length works, then a tube of length 6.2 m should also work. When trying to use such a tube, what is the pressure difference between the external pressure on the diver's chest and the air pressure in

    asked by Paulina
  104. Physics

    Exerting a force of 88 N on the circular piston of a syringe causes a pressure increase in the barrel of 1.3 atm. What is the diameter of the piston?

    asked by Anonymous
  105. IT/210

    I am in week 3 in IT/2101 and I just need some help understanding how to format designing a program. I need more assistance.

    asked by Lorenzo
  106. Math quick question

    "If f = {(-2,-1), (-1,2), (0,6), (1,3), (2,-1), (3,-5), (4,0), (5,8)} and g = {(-2,6), (-1,5), (0,-8), (1,3), (2,9), (3,9), (4,0), (5,-2)}, then find f composite g and g composite f."

    asked by Anonymous
  107. Thurgood Marshall

    give me an the expression that is equivalent to 1(7x)−52

    asked by Jerrry
  108. geometry

    A survey of 500 showed the following 15 had only camping 20 had only hiking trails 35 had only picnicking 185 had camping 140 had camping and hiking trails 125 had camping and picnicking 210 had hiking trails Determine the number of parks that had at least

    asked by carol
  109. Chemistry

    When n=3, the possible values of l are: 5, 4, 3, 2, 1, and/or 0? How do you know?

    asked by Brenda
  110. algebra 1

    3v-4

    asked by james
  111. physical education

    what is a literature review?

    asked by petronia
  112. Math

    Many nations compare the value of their currency to the US dollar. On a day early in 2009, $1 CDN (1 Canadian dollar) was worth $0.8290 USD (US dollar). This is known as an exchange rate. On the same date $1 USD could be used to buy 0.7579 Euros or 0.6709

    asked by Anonymous
  113. Calculus

    Pyramid - A pyramid with a square base and four faces, each in the shape of an isosceles triangle, is made by cutting away four triangles from a square piece of cardboard and bending up the resulting triangles to form the walls of the pyramid. The diagonal

    asked by Mary
  114. english

    english assignment. topic is "common man's crusade" content should not be googled 

    asked by himanshu
  115. chemistry

    If the pressure on a 2.50 mL gas sample were doubled from 0.500 atm to 1.00 atm, what would be gas volume at the new pressure? my Answer 1.25 mL if i'm wrong can you show me how u got to your answer please.

    asked by jakey
  116. math

    Price: 172.00 tax rate 11%

    asked by Elizabeth
  117. calculus

    limx→∞3x+127x+11

    asked by sarah
  118. math ALGEBRA 1 PLEASE HELP!

    You and two friends scored all 7 runs for your team in a baseball game. Jeff scored twice as many runs as you, and Mary scored twice as many runs as Jeff. How many runs did Jeff score?

    asked by alex
  119. math

    the value of 7 will be when 9.6, 6 y

    asked by maham
  120. science

    6g of impure NaOH was dissolved in 100ml of a solution.0.25molar solution of the base utilize 27.6ml of the solution containing 6g of trioxonitrate(5)acid.

    asked by chm 101
  121. science

    6g of impure NaOH was dissolved in 100ml of a solution.0.25molar solution of the base utilize 27.6ml of the solution containing 6g of trioxonitrate(5)acid.calculate (a)molar concentration of acid (b) molar concentration of base (c) mass of the base (d) %

    asked by chm 101
  122. chemistry

    Which of the following would not be acceptable units for density? Answer kg/L g/mL3 g/cm3

    asked by jakey
  123. maths-urgently

    let y = 3x+ 10 - x^2, where x and y are positive whole no. find sum of all possible values of y.

    asked by Anonymous
  124. maths

    if two resistors of r1 and r2 ohms are connected in parallel in an electriccircuit to make a R ohm resistor, the value of R can be found from the equation 1/R= 1/r1+ 1/r2. if r1 is decreasing at the rate of 1 ohm/s and r2 is increasing at the rate of 0.5

    asked by sadia khan
  125. math

    *cubic square root*125h^9s^1/*cubic square root*h^-6s^-1 The expression above equals kh^rs^t where r, the exponent of h, is..? and t, the exponent of s, is...? and k, the leading coefficient is...? all answers should be rational numbers

    asked by aly
  126. statistics

    In a competitive application process, two applicants were closely matched and the judges needed to compare their percentile ranking to see who should be offered the last position.Jeremiah ranked 405th in a class of 1,200 and Joshua ranked 12th in a class

    asked by anoneemose
  127. math

    (16xy^3/-24x^4y)^-3 simplify the rational expression in the form A/B. Single fraction with only positive exponents.

    asked by aly
  128. statistics

    Twelve college students were surveyed about the distance from their house to the college they attended. 12 18 54 13 15 24 8 5 14 27 1 20 1. Using the data set above, find the percentile ranking for the data point 24. 2. Using the data set above, what

    asked by anoneemose
  129. statistics

    A company is trying to show that their wages are fair. The mean salary is $45,000 but the median is $67,000. Which should they use for their position?

    asked by anoneemose
  130. statistics

    In a local marathon, Bob finished 60th out of 400 participants. What is his percentile ranking for this race?

    asked by anoneemose
  131. math arithmetic order of operations

    (6.7 × 10-1) - (3.6 × 10-4

    asked by Anonymous
  132. reading

    Locate the topic of each paragraph. Remember to ask the question. Who or what the paragraph is about? Tickets for athletic events and musical concerts sometimes get resold for much greater amounts than the original price—a market transaction known as

    asked by kesha
  133. math

    a sentence with these letter D M S C B C

    asked by Eduarda cardoso
  134. Algebra 1

    What is the domain and range of f(x)=3^x-4?

    asked by Anonymous
  135. Chemistry

    Please can someone help me to explain or find me some material where i can study related to these 2 questions: 1.Analyse the spectrum of 1-methylstyrene. 2.Explain the formation of gaseous and solid state PCl5 from its IR and Raman spectra.

    asked by PhysicalChemistry
  136. Math

    60% of candidates who took an examination passed .if 10 of the candidates are selected at random find correct to 3 significant figures the probability that exactly 4 passed

    asked by Mee
  137. math

    3.2/0.2 = x/6.4

    asked by ma
  138. physics

    A lizard of mass 3.0 g is warming itself in the bright sunlight. It casts a shadow of 1.6 cm^2 on a piece of paper help perpendicularly to the Sun’s rays. The intensity of sunlight at the Earth is 1.4 x 10^3 W/m^2, but only half of this energy penetrates

    asked by jjwatt
  139. math

    The horizontal distance between the town of Sko (elevation 40 m) and a hut (elevation 943 m),a resting place for hikers, is 6.68 miles. If a hiker traveled in a straight line from Sko to the hut, the average include would be ___ percent.

    asked by Nabil
  140. math

    Explain how to estimate, and then find 6 5/8 / 1 1/5.

    asked by Anonymous
  141. chemistry

    Explain the effect of chlorine (cl) in aromatic ring

    asked by Anonymous
  142. Chemistry

    if the H+ in acid mine drainage is 6.3 x 10^-5 mol/L, the pH of the drainage water is ___. It would require ___ gal of 0.1 M Ca(OH)2 (2 is a subscrip) to neutralize the proton acidity in 1000 gal of such drainage water.

    asked by Joe
  143. ENGLISH

    3. Which of the following is a complex sentence that contains a dependent adverbial clause? A. Mark expects the photo to arrive late. B. Mark expects the photo to arrive in damaged condition. C. Mark expects the photo to arrive when the letter arrives. D.

    asked by Anonymous
  144. Math - logs

    the log(10^ -1)of 3.66 = of 9.86 = of -2.8 = thank you

    asked by Needs log help
  145. Science - chemistry

    A 100 lb bag of fertizer with an analysis of 6-12-24 would provide ___ lbs of P.

    asked by Anuj
  146. math standard deviation

    Calculate the standard deviation for the following yields of corn: 142, 161, 132, 143, 147, 145, 146, and 152 bu/ac. Are all yields obtained within one standard deviation of the mean?

    asked by LUA
  147. math question

    I help finding an online calactor that will help me answer the following 3cubed outside then 2x+17= 4(inside a square)I think it called radical.

    asked by janr
  148. Math

    Use the method of elimination to solve the following system of equations. You must check your answer: 1)x/2 + y/5 = 1/2 2) 3x - y = -8

    asked by Danielle
  149. Chemistry

    The dissolved Ca++ concentration in a river is approximately 30 mg/L. This concentration is equivalent to ___ ppm or ___ mol/L, or ___ cmol/L. It would provide ___ cmolc+/L. (c+ is a subscript)

    asked by Nilan
  150. Fluids

    Calcu[ate the weight of a body in lb if it has a kinetic energy of 38.6 ft-Ib when moving at 19.5 mi/h

    asked by Anonymous
  151. algebra 1

    clear definition of important terms for substution and and example problem?

    asked by da
  152. Accounting

    how do you classify what the cost to set up a manufacturing facility as? is it general, selling and administrative and what type of cost is it? Please Help.

    asked by Janet
  153. ALGEBRA

    3/5X-5/4X

    asked by PETER