Questions Asked on
May 26, 2013

  1. Social Studies (Ms. Sue)

    What did dime novels and newspapers have in common? My answer: Both dime novels and newspapers were especially popular, and Americans read more of them.

    asked by Anonymous
  2. chemistry

    Hi, I was hoping someone could double check a chemistry answer for me. I am trying to calculate the Ksp of Ag2CrO4. This question is based on a experiment to determine ksp experimentally. In the experiment the Ksp of silver chromate was calculated using a

    asked by Laura
  3. algebra227

    You have the numbers 1–25 written on slips of paper. If you choose one slip at random, what is the probability that you will select a number that is divisible by 4? 1/5, 62/25, 4/25, 2/3

    asked by Jennifer W.
  4. statistics

    a horse race has 10 entries and one person owns 5 of those horses. assuming that there are no ties, what is the probability that those 5 horses finish 1,2,3, 4th and 5th regardless of the order?

    asked by Anonymous
  5. science chemistry

    Given 4K + O2 → 2K2O, what is the reaction type? Single Replacement Double Replacement Synthesis (formation) Decomposition

    asked by julie jung
  6. math

    A study was conducted to investigate the relationship between the resale price, y (in hundreds of dollars), and the age, x (in years), of midsize luxury American automobiles. The equation of the line of best fit was determined below. yhat = 183.8 −

    asked by gayle
  7. chemistry

    what volume of water is required to make 0.20 M solution from 16 ml of 0.5 M solution?

    asked by prateek
  8. physics

    A 156-kg coil of sheet steel is 0.80 mm thick and 50 cm wide. How long is the steel in the coil?

    asked by michelle
  9. math

    in a boy's school, 5/8 of the boys play football and 4/7 play rugby.if every boy plays at least one of the two games, find the fraction of the boys who play both

    asked by 123
  10. Spanish

    1)No tengo tiempo para arreglar mi cuarto. Voy a poner la ropa _____ de la cama. Nadie puede verla. A. encima B. debajo C. delante D.al lado I said B 2) He probado el cafè sòlo _______; no me gusto. A. una vez B. siempre C. nunca D. casi nunca I said A

    asked by Marie
  11. algebra probabilty34

    A mathematics journal has accepted 14 articles for publication. However, due to budget restraints, only 7 articles can be published this month. How many specific ways can the journal editor assemble 7 of the 14 articles for publication? Possible answers:

    asked by Jennifer W.
  12. physics

    The radius of a planet R1 and satellite revolves round it in a circle of radius R2. The time period of revolution is T.find the acceleration due to the gravitation of the planet at its surface.

    asked by subharaj
  13. Statistics

    The accompanying data show the number of hours, x, studied for an exam and the grade received, y (y is measured in tens; that is, y = 8 means that the grade, rounded to the nearest 10 points, is 80). x 2 3 3 4 5 5 5 6 6 6 7 7 7 7 8 y 5 5 6 5 6 7 8 6 9 8 7

    asked by Sue
  14. Math

    what is the experimental probability of in a cabin of 8 campers no one is from out of state

    asked by QUESTION FOR MISS SUE!!!
  15. Statistics

    Scores on a mathematics examination appear to follow a normal distribution with mean of 65 and standard deviation of 15. The instructor wishes to give a grade of “C” to students scoring between the 60th and 70th percentiles on the exam. What score

    asked by Austin
  16. algebra probability34

    Your English teacher has decided to randomly assign poems for the class to read. The syllabus includes 4 poems by Shakespeare, 5 poems by Coleridge, 2 poems by Tennyson, and 2 poems by Lord Byron. What is the probability that you will be assigned a poem by

    asked by Jennifer W.
  17. sports

    3. The legal status of most athletes in professional team sports in North America was for many years governed by the reserve system. The reserve system was designed to (C) A. give players total control over their own careers. B.increase the salaries of the

    asked by Ashley
  18. statistics

    A and B are events defined on a sample space, with the following probabilities. Find P(A and B). (Give your answer correct to two decimal places.) P(A) = 0.5 and P(B | A) = 0.4

    asked by DeeDee
  19. math

    you have helped me so much, one more problem. Consider the following questions. (a) Chebychev's theorem guarantees that what percentage of a distribution will be included between x − 2.3s and x + 2.3s. (Give your answer correct to one decimal place.)

    asked by gayle
  20. Calculus

    A rancher wants to build a rectangular pen with an area of 150 m2. Let W be the width of the pen and L be the length of the pen. a. Find an equation for the perimeter P in terms of W and L . b. Use the given area to write an equation that relates W and L .

    asked by Lily
  21. Statistics

    Does studying for an exam pay off? The number of hours studied, x, is compared with the exam grade received, y. x 7 7 5 5 7 y 95 90 75 85 95 (a) Complete the preliminary calculations: SS(x), SS(y), and SS(xy). Incorrect: Your answer is incorrect. . (SS(x))

    asked by Tom
  22. Social Studies (Ms. Sue)

    Why did mass culture emerge during this period?

    asked by Anonymous
  23. Math

    An invoice is dated August 29 with terms of 4/15 EOM. What is the discount date? What is the net date for the scenario in the previous question?

    asked by April
  24. Statistics

    Using advertised prices for used Ford Escorts a linear model for the relationship between a car's age and its price is found. The correlation coefficient is - 0.933 Determine R2 and interpret this statistic. A) R2 = 93.3% which means that 93.3% of the

    asked by Katie
  25. Finance

    Omega Instruments has budgeted $300,000 per year to pay for certain ce- ramic parts over the next 5 years. If the company expects the cost of the parts to increase uniformly according to an arith- metic gradient of $1 0,000 per year, what is it expecting

    asked by Aly
  26. physics

    a stone of mass 50g is being rotated in circle of radius 50cm with a uniform speed of 2m/s.what is the acceleration of the stone?

    asked by saadiqah sheerin
  27. GEOGRAPHY

    Assume that a parcel of air is forced to rise up and over a 6000-foot-high mountain. The initial temperature of the parcel at sea level is 76.5°F, and the lifting condensation level (LCL) of the parcel is 3000 feet. The DAR is 5.5°F/1000’ and the SAR

    asked by ROBERT
  28. geometry

    The floor of a bedroom is 12 feet by 15 feet and the walls are 7 feet high. One gallon of paint covers 450 square feet. How many gallons of paint do you need to paint the walls of the bedroom?

    asked by Hannah
  29. statistics

    These data were generated using the equation y = 2x + 1. A scatter diagram of the data results in five points that fall perfectly on a straight line. x 0 1 2 3 4 y 1 3 5 7 9 (a) Find the correlation coefficient.

    asked by DeeDee
  30. Math

    What payment should be made on an invoice in the amount of $3,400 dated August 7 if the terms of sale are 3/15, 2/30, n/45 and the bill is paid on August 19? What payment should be made on the invoice from the previous question if it is paid on September

    asked by April
  31. Sociology of Sports

    Would SOMEONE PLEASE CHECK MY ANSWERS... THANKS 1. The owners of major sport teams and the sponsors of major sport events do not think alike on all issues but they generally (B) A. love sports more than their own businesses. B. agree on the need to protect

    asked by Ashley
  32. Statistics

    . The following data give the 2010 gross domestic product (in billions of dollars) for al 50 states. The data entered in alphabetical order by state (Source: Bureau of Economic Analysis). 173 49 254 103 1901 258 237 62 748 403 67 55 652 276 143 127 163 219

    asked by James
  33. statistics

    I have got all the other parts but not sure how to come up with this part????In a national survey of 500 business and 500 leisure travelers, each was asked where they would most like "more space."

    asked by Sue
  34. Wages Quick reply

    All but which one of the following assumptions are included within the model of perfect competition? (Points : 1) employers seek to maximize profits workers have perfect information about wages and job opportunities available workers differ with

    asked by Neisha
  35. Social Studies (Ms. Sue)

    How did new technologies change the way people brought goods?

    asked by Anonymous
  36. teacher aide

    according to carl jung what are the two main ways people process information

    asked by jane
  37. statistics

    If light bulbs have lives that are normally distributed with a mean of 2500 hours and a standard deviation of 500 hours, what percentage of light bulbs have a life less than 2500 hours?

    asked by madonna
  38. Finance

    A building is priced at 125,000. If a down payment of 25,000 is made and a payment of 1,000 every month thereafter is required, how many months will it take to pay for the building? Interest is charged at a rate of 9% compounded monthly.

    asked by Aly
  39. Physics

    Suppose the block is released from rest with the spring compressed 5.50 cm. The mass of the block is 1.60 kg and the force constant of the spring is 965 N/m . Assume the surface is frictionless. A) What is the speed of the block when the spring expands to

    asked by Leah
  40. business math

    What payment should be made on an invoice in the amount of $3,400 dated August 7 if the terms of sale are 3/15, 2/30, n/45 and the bill is paid on August 19?

    asked by chris
  41. Social Studies (Ms. Sue)

    How did discrimination against African Americans in the North differ from discrimination in the South? My answer: In the North, public facilities there not segregated. However, blacks could not get housing in white neighborhoods and usually were denied

    asked by Anonymous
  42. geomerty

    Paint Roller A has a length of 12 in. and a diameter of 2 in. Paint Roller B has a length of 8 in. and a diameter of 3 in. Which roller can spread more paint on a wall in one revolution

    asked by Hannah
  43. Statistics

    Suppose a box of marbles contains equal numbers of red marbles and yellow marbles but twice as many green marbles as red marbles. Draw one marble from the box and observe its color. Assign probabilities to the elements in the sample space. (Give your

    asked by Gayle
  44. geometry

    Find the SURFACE AREA of a sphere that has a diameter of 18 centimeters. Leave your answer in terms of pi.

    asked by Hannah
  45. statistics

    Does studying for an exam pay off? The number of hours studied, x, is compared with the exam grade received, y. x 7 7 5 5 7 y 95 90 75 85 95 (a) Complete the preliminary calculations: SS(x), SS(y), and SS(xy). Incorrect: Your answer is incorrect. . (SS(x))

    asked by Tom
  46. help!!!!! Probability!!!

    A fair 6-sided die is rolled twice. The probability that the second roll is strictly less than the first roll can be written as a/b, where a and b are positive, coprime integers. What is the value of a+b?

    asked by fweng
  47. coefficients

    Name the coefficients in the polynomial 4x^2+3x-3

    asked by Alex
  48. Math

    If you roll a die 48 times and 8 of the rolls result in a "5," what empirical probability was observed for the event "5"? (Give your answer correct to three decimal places.)

    asked by Sue
  49. Statistics Please Help

    One reason for standardizing random variables is to measure variables with: A. dissimilar means and similar standard deviations in like terms B. different means and standard deviations on a non-standard scale C. similar means and standard deviations on two

    asked by Austin
  50. English 09

    I need to create different nicknames for each character in Romeo and Juliet. Please Help. The nicknames should describe the character Juliet- Tybalt- Prince of Cats Rome- Lady Capulet- Lord Capulet- Lord Montague- Lady Montague- Nurse- Friar Lawrence-

    asked by Nina
  51. physics

    a horizontal force of 600Npulls two masses 10kg lying on a frictionnnnless surface connected by a light string .what is the tension in the string?Does the answer depend on which mass end the pull is applied

    asked by sara
  52. Math

    Ned’s Sheds purchases building materials from Timbertown Lumber for $3,700 with terms of 4/15, n/30. The invoice is dated October 17. Ned’s decides to send in a $2,000 partial payment. By what date must the partial payment be sent to take advantage of

    asked by April
  53. English

    Which of the following is NOT a Gothic element in this novel? A. the low, demonic laugh in the hall at midnight B. strange laughter in a hidden, upstairs room C. the mysterious fire in Rochester’s bedroom D. the young Jane’s growing love for the older,

    asked by Caroline
  54. assistent teacher

    which kind of software program allows students to write, revise,move ,erase and print words

    asked by someone who has a strong ego identity
  55. Statistics

    During the 2011-12 winter season, a homeowner received four deliveries of heating oil, as shown in the following table: Gallons Purchased Price per Gallon ($) 209 2.60 182 2.40 157 2.78 149 2.74 The homeowner claimed that the mean price he paid for oil

    asked by James
  56. Social Studies (Ms. Sue)

    What did Chinese immigrants and Mexican immigrants have in common?

    asked by Anonymous
  57. Financial Accounting

    Account for warranties. Key Company offers a three-year warranty on its premium door locks. During the year, the company had sales of $100,000. Related to the sales, warranty costs should be approximately $3,000 per year. How much warranty expense related

    asked by Tammy smith
  58. American Revolution

    What did the Colonial boycotts of British goods before the Revolutionary War were effective measures.

    asked by Nicole
  59. Engineering science

    A vehicle with a mass of 1200 kg accelerates uniformly from rest upwards with an incline of 1:25 and reaches a speed of 72 km/h after 2 minutes,calculate: 1.The kineyic energy of the vehicle after 2 minutes 2.The potential energy of the vehicle after 2

    asked by Ayanda
  60. geomety

    You want to pour a concrete slab with a width of 16 feet, a length of 16 feet, and a height of 0.5 feet. Find the volume of the concrete, so you know how much you will need

    asked by Hannah
  61. Polymonimals!

    (m^2-m-4)+(m-5) m^2-2m+9 m^2+2m-9 m^2-2m-9* my answer m^2-9

    asked by Alex
  62. Physics

    What happens to the momentum of the truck if sand leaks at a constant rate through a hole in the truck bed while the truck maintains a constant velocity?

    asked by Grace
  63. English 122

    I have to write a research paper. My research paper is on Large corporations, such as Walmart and Home Depot, have been criticized for driving mom-and-pop shops out of business. Is this a valid criticism? Does the American public have some role to play? I

    asked by Darlene
  64. Chemistry

    Nitric acid is commonly purchased as a 16 M solution, which has a density of 1.41 g/mL. Convert this molarity to a) mass percentage, b) molality, c) mole fraction. A) 16molHNO3(63.02HNO3/1MolHNO3)=1,008.32gHNO3 - 1,000gH20(1MolH20/1.41ml/g)=1410ml/mol w/w=

    asked by Michael
  65. maths

    the sum of money is shared among 4 brothers. the eldest receives 2/7 of it and the next receives 3/5 of the remainder. If the youngest brother receives $120 each, find the sum of money shared.

    asked by leena (need a quick reply!!!)
  66. Physics Acceleration

    A baseball player hits a line drive. Just before the ball is struck, it is moving east at a speed of 38.8 m/s (87 mi/h). Just after contact with the bat, 1.05 10-3 s later, the ball is moving west at a speed of 46 m/s (103 mi/h). Find the ball's average

    asked by Chris
  67. alegebra

    A car with a sticker price of $42,200 with factory and dealer rebates of $5,100 (a) Find the monthly payment if financed for 60 months at 0% APR. (Round your answer to the nearest cent.) $ 1 (b) Find the monthly payment if financed at 2.5% add-on interest

    asked by kena
  68. math

    A study was conducted to investigate the relationship between the resale price, y (in hundreds of dollars), and the age, x (in years), of midsize luxury American automobiles. The equation of the line of best fit was determined below. yhat = 183.8 −

    asked by gayle
  69. Math

    What is the net price factor for trade discounts of 25/15/10? Use the net price factor you found in the previous question to find the net price of a couch listed for $800.

    asked by April
  70. intergrals

    find value of def integral with a=-2 and b=2sqrt(3) definite integral is : x^3 * sqrt(x^2+4) dx for integral i get 1/15 *((4+x^2)^(3/2)) (-8+3x^2) for value i get [1536- 64sqrt(2)]/15 but its' wrong. help please

    asked by Mikey
  71. physics 2

    two points of 2 C and a 5 C are 10 meters apart. A third point charge of 6 C is placed between them. at what distance from 2 C charge must the 6 C charge is placed, in such way that stay in equillibrium?

    asked by jemver
  72. Science

    Draw (x-t)graph on graph paper which represents a body is travelling with uniform motion.

    asked by Nandani Raj
  73. gov't

    Why would democrats go out for revenge against Republican political groups wanting tax-exempt status. Why would Republicans, out for revenge against Democrats who seem to have been biased in granting or not granting tax-exempt status. I have to list a lot

    asked by Mercy
  74. History/government

    Make a statement that best illustrates the principal of federalism.

    asked by Nicole
  75. PHySICS

    A double slit experiment is performed with monochromatic light. The separation between the slits is 1.150mm apart and an interference pattern is noticed on a screen 3.90m away. If the second fringe is 4.20mm from the central fringe, what wavelength and

    asked by Anonymous
  76. trig

    in the diagram below.A,B and C are three points in the same horizontal plane and AD is a vertical tower.AC=AB=x and DC=DB.the angle of elevetion of D from C is alpha and DB^C=theta 1.express DC in terms of x trigonometry value of alpha 2.prove that

    asked by maker
  77. math

    given f(x)=sin2x and g(x)=cos(x+30) 1. solve for x if sin2x=cos(x+30) for x€[-180;180]

    asked by Bangeni
  78. physics

    A faint sound with an intensity of 10 -9 W/m2 is measured by an intensity-level meter. What will the reading be in dB?

    asked by jeremy
  79. Science

    10 g of acetic acid are combined with 5 g of sodium bicarbonate in a beaker with a mass of 25 g. After the reaction, the mass of the beaker with the new solution was only 39 g. How ould this change in mass be explained?

    asked by Anonymous
  80. Math

    1. Fantasia Florist Shop purchases an order of imported roses with a list price of $2,375 less trade discounts of 15/20/20. What is the dollar amount of the trade discount? 2. Using your answer to the question above, what is the net dollar amount of that

    asked by April
  81. l.o

    name 2 community organizations that are involve in supporting or giving redress to these factors explain how these community organizations are involved in redressing these issues

    asked by thandour gumede
  82. Calculus

    1. Evaluate the following integrals (a) 􏰀 4x2 +6x−12 / x3 − 4x dx

    asked by Maryam
  83. practice question

    How do i go about solving this one? A cash flow sequence starts in year 1 at $3000 and decreases by $200 each year through year 10. (a) Determine the value of the gradient G; (b) determine the amount of cash flow in year 8; and (c) determine the value of n

    asked by Aly
  84. French

    I just need someone to check my mistakes. This is a short essay using futur simple. Pendant ces vacances, je pourrai voyager avec ma famille à Dubai. Nous ferons à Burj Khalifa et à Dubai mall pour verrons les plus étonnantes vues et des boutiques. Je

    asked by marlen :)
  85. geography

    identify one human factor that causes ill or disasters within community within s.a

    asked by ziningi
  86. Math

    A rabbit population satisfies the logistic equation dy/dt=2*10^-7y(10^6-y) where t is the time measured in months. The population is suddenly reduced to 40%of its steady state size by myxomatosis. a) If the myxo' then has no effect how large is the

    asked by Page
  87. trig

    please am stucked help me.in the diagram below.A,B and C are three points in the same horizontal plane and DC is a vertical tower.AC=AB=x and D^C=DB.the angle of elevation of D from C is alpha and DB^C=theta

    asked by utlwanang
  88. statistics

    Consider the following. (a) What percentage of a normal distribution is greater than the mean? (Give your answer correct to the nearest percent.) Incorrect: Your answer is incorrect. . % (b) What percentage is within 1 standard deviation of the mean? (Give

    asked by Gayle
  89. Quantum Chemistry

    Assume that the double-slit experiment could be carried out with electrons using a slit spacing of b= 10.0 . To be able to observe diffraction, we choose lamda=b , and because diffraction requires reasonably monochromatic radiation, we choose (delta P)/P=

    asked by Mouna
  90. sports

    Has the layout of this site changed?

    asked by Ashley
  91. Social Studies (Ms. Sue)

    Why did visitors see at world's fairs? My answer: Visitors saw newly inventions and such, as the fairs were designed to show off American technology.

    asked by Anonymous
  92. Statistics

    1. The following data give the amount of money (in dollars) that each of six Canadian social service charities spent to raise $100 in donations during 2010. The values, listed in that order, are for the Calgary Inter-Faith Food Bank Society, Covenant House

    asked by James
  93. math

    . City Cellular purchased $28,900 in cell phones on April 25. The terms of sale were 4/20, 3/30, n/60. Freight terms were F.O.B. destination. Returned goods amounted to $650. What is the net amount due if City Cellular sends the manufacturer a partial

    asked by chris
  94. Spanish Help

    Hi! I'm unsure about these questions. I answered them, but I'm not 100 % sure about my anwers. 1) ¿Què hora es? Son las once _______. A. por el dìa B. de la tarde C. de la noche D. en media hora I said D 2) ¿Puedes sacar libros de la biblioteca? Sì ,

    asked by Laury
  95. math

    show that the point (3/5, 4/5) is the closest point on the circle x^2 + y^2= 1 to the point on (3,4) how do ido this

    asked by flo-rida
  96. History/government

    Which provision was included in the United States Constitution to allow it to adapt to changing times? I wanted to say it was the amendment process, but I didn't know if it was correct or not.

    asked by Nicole
  97. math

    Determine the area of the region between the curves: f(x) = -(3)x^3 + (6.25)x^2 + (27.1875)x - (9.328125) and g(x) = (1)x^2 + (3)x -(3)

    asked by mark
  98. Social Studies (Ms. Sue)

    What could have been done to end discrimination against nonwhites in the United States at the turn of the century?

    asked by Anonymous
  99. math

    a log that is 50 cm long is cut into 2 pieces one of the pieces is 8 cm shorter than the other one. how long is orginal log and if the original log is cut into equal pieces how long would each piece be

    asked by naresh
  100. Economics

    Explain why we can describe the toothpaste industry as oligopolistic.

    asked by Luv of God
  101. PHySICS

    2a) Explain polarization in your own words and list three applications. 2b) Explain why a film of thickness ë/4 produces constructive interference and a film of thickness ë/2 produces destructive interference.

    asked by Anonymous
  102. integrals

    find value of def integral with a=-2 and b=2sqrt(3) for integral i get 1/15 *((4+x^2)^(3/2)) (-8+3x^2) for value i get [1536- 64sqrt(2)]/15 but its' wrong. help please

    asked by Mikey
  103. integral calculus

    find indefinite integral [(sinx)^3]*[(cosx)^3] dx i got 1/192 * ((cos(6x)-9cos(2x)) + C but this isnt right. explain plz? thnx

    asked by Mikey
  104. math

    e^(3x) sin(4x) value of definite integral when a is pi/4 and b is 0 i get 4/25 * (e^(3pi/4) how to simplify

    asked by anne
  105. Calculus

    Find DOMAIN and RANGE of the following: a) f(x)= 3/(|x+3|) b) 1/(cube root of 9x-x^2) c) ln(9x+x^2) Please help, I have no idea how to find domain and range of these. Step-by-step would be really helpful. Thank you so much!

    asked by Anonymous
  106. vectors problem!!!! help!!!!

    Vectors u=2i+9j+0k and v=13i+18j+0k. What is the value of |u×v|?

    asked by robert
  107. Finance

    Assume that you are financial advisor to a business. Describe the advice that you would give to the client for raising business capital using both debt and equity options in today’s economy

    asked by Nisha
  108. math

    if the length of the shorter sides of a 45 degree-45 degree 90 degree triangle is x, find the lenght of the hypotenuse, in terms of x

    asked by mila
  109. Maths

    Miles has 4 Lego people in his Lego town. A Lego person consists of exactly 1 set of legs, a torso, and a head. All of these body parts are distinct. Miles' son comes in and takes apart the Lego people. How many different sets of 4 Lego people can be

    asked by Someone need help~
  110. French

    - Tu as pris un ticket de cinema pour moi? Oui, j'en ai pris pour toi. ( why do we place ai but not as)

    asked by marlen
  111. Maths

    Let A0=(−1,0), and let O be the origin (0,0). For each integer i≥1, we construct the point Ai so that |Ai−1Ai|=|Ai−1O| and the angle ∠OAi−1Ai is a right angle. If O,Ai−1,Ai+1 are not collinear for any value of i, what is the x-coordinate of

    asked by Someone need help~
  112. Maths

    Let S be a set of 31 equally spaced points on a circle centered at O, and consider a uniformly random pair of distinct points A and B (A,B∈S). The probability that the perpendicular bisectors of OA and OB intersect strictly inside the circle can be

    asked by Someone need help~
  113. algebra 2

    if a rock is dropped from the top of a 200 ft building, solve for the time it takes for it to hit the ground. (when h=0) hint-initial velocity when dropped is 0

    asked by maddy
  114. Mathematics

    1. 7r = 5r 2. -6x = 3x 3. 7-2y = 1 + y

    asked by Anonymous
  115. math

    A customer uses a $20 bill at a self check-out register to pay for products totaling $14.50. The customer is concerned they did not receive the proper change. How much money should they have received back from the automated register?

    asked by Anonymous
  116. Math

    Determine the area of the region between the curves: f(x)= 3x^2 + 16x + 28 and g(x) = -2x + 1

    asked by mark
  117. Chem202 - for DrBob222

    Dr. Bob222: There is a problem you answered .100M HClO2 titrated with .080M NaOH I can work the problem many times but I am getting 7.30pH and the answer says 7.38 using quad. I used quad and still get 7.30. I also do know how you go from the

    asked by Steve
  118. geometry

    I need to find the area of a base of a cylinder. The height is 9 and the radius is 3.

    asked by Hannah
  119. Mathematics

    -6x = 3x?

    asked by Anonymous
  120. Mathematics

    7-2y = 1 + y?

    asked by Anonymous
  121. geometry

    Find the area of the base and the volume of a cone. the height is 17 and the radius is 8. my answer needs to be in pie

    asked by Hannah
  122. economics

    Explain the economic logic behind OPEC decision to reduce output

    asked by lee
  123. chemistry

    As of May 17th 1213, the price of cobalt metal on the London Metal Exchange was $27500 per metric ton. One metric ton is defined as 1000Kg. Determine the price of cobalt in cents per atom.

    asked by Lulu
  124. Math

    Determine the area of the region between the curves: f(x) = -3x^3 + 6.25x^2 + 27.1875x - 9.328125 and g(x) = 1x^2 + 3x -3

    asked by mark
  125. geo

    how do you find the base of a triangular prism >

    asked by Hannah
  126. Chemistry

    So I did a lab that consist of baking cookies and the mass of the final products isn't equal to the ingredients used. Could there be mass lost as gas ? What other factors might there be? Thanks

    asked by Shadow
  127. Math

    A rectangle has a width of 4 cm and a height of 3 cm. If another rectangle is to be drawn so it has a golden ratio with the first rectangle, what could the dimensions of the new rectangle be? 7 cm by 4 cm 8 cm by 3 cm 3 cm by 4 cm 4 cm by 8 cm

    asked by Kandee
  128. maths

    when a number is multiplied by 6, it gives the same result when 27 is added to it. find the number.

    asked by leena (need a quick reply!!!)
  129. statistics

    Find P(A or B). (Give your answer correct to two decimal places.) P(A) = 0.35, P(B) = 0.5, and P(A and B) = 0.18

    asked by Tom
  130. American Revolution

    What did the Colonial boycotts of British goods before the Revolutionary War were effective measures. I wanted to say It lowered the prices of imported goods but I had second thoughts and thought It reduced the profits of British merchants.. Please help me

    asked by Nicole
  131. life orientation

    how to address hiv and aids

    asked by nonpilo
  132. L.o

    Human or environmental problem under substance abuse. The impacts

    asked by Amanda
  133. American Revolution

    During the Revolutionary War, what was the most common way American women helped the Patriot?

    asked by Nicole
  134. Life orientation

    5 environmental problem

    asked by Bonginhlanhla
  135. computer

    how Microsoft Office Word, Excel, and PowerPoint are used to support various work environments.

    asked by April
  136. Maths

    The line passing through the points (-1,6) and (4,x) has gradient -2. Find the value of x. Show working out please.

    asked by Yasmine
  137. Math

    The Empire Carpet Company orders merchandise for $17,700, including $550 in shipping charges, from Mohawk Carpet Mills on May 4. Carpets valued at $1,390 will be returned because they are damaged. The terms of sale are 2/10, n30 ROG. The shipment arrives

    asked by April
  138. Math/ Algebra

    Find the slope-intercept equation of the line that satisfies the given conditions. Then graph the line. Contains points P=( -1,4);parallel to the line with equation 3x+y =5

    asked by M
  139. divide radical

    (2b^+2b-6)/(b-2)

    asked by Anonymous
  140. Math

    City Cellular purchased $28,900 in cell phones on April 25. The terms of sale were 4/20, 3/30, n/60. Freight terms were F.O.B. destination. Returned goods amounted to $650. What is the net amount due if City Cellular sends the manufacturer a partial

    asked by April
  141. economics

    Pls Help. Not too sure how to do this question. Someone wants to set aside money for their newborn daughters college funds. He estimates she would need 25,000 on her 17, 18, 19 and 20, birthdays. If he plans to make uniform deposits starting 3 years from

    asked by Aly
  142. Math/Algebra

    Find the standard equation of an ellipse with the given characteristics and sketch the graph. Vertices at (0,-5), and (0,5); Foci at (0,-4)and (0,4).

    asked by M
  143. Math (Absolute Value Inequality)

    Find the maximum value of a such that the following statement is true: If ∣x−8∣

    asked by Shin
  144. Life Orientation

    Describe cancer and explain 5(or more factors) that contribute to cancer.

    asked by Halalisani
  145. physics

    tina brings a positively charged glass rod near a very light, uncharged polystyrene ball. what is the distribution of charges on the ball? describe what happens to the polystyrene ball and why.

    asked by Anonymous
  146. Calculus antiderivatives

    find an antiderivative of the function ((t-1)^2)/sqrt(t) that goes through the point (1,2) i find derivative of top and bottom first and get 2t-2/(1/2*sqrt(t)) but this doesnt give right solution then i find diervative of that again and i get 2/(-1/4 *

    asked by Mikey
  147. economics

    how can I do this question on a TI83? . If the interest rate is 10% and cash flows are $1,000 at the end of year one and $2,000 at the end of year two, then the present value of these cash flows is

    asked by dino
  148. Math

    Tony and Harry had some stamps. After Tony gave c stamps to Harry, he had 8 more stamps than Harry. How many more stamps than Harry did Tony have at first?

    asked by Maxim