1. Bio organic chemistry

    Explain how to use the valence shell electron pair repulsion model to predict the bond angles and geometry about atoms of carbon, oxygen and nitrogen

    asked by Christelle on January 26, 2019
  2. PLEASE HELP GEOMETRY

    When constructing inscribed polygons and parallel lines, how are the steps similar? a protractor is used to take measurements four right angles are created a compass is used to copy an angle **** there are no similarities I think its c, but it might be b.

    asked by Anonymous on August 26, 2015
  3. math

    A builder is building a rectangular deck with dimensions of 16 ft by 30 ft. To ensure that the sides form 90 degree angles, what shouls each diagonal measure? I'm confused on how to answer this.

    asked by tim on April 6, 2009
  4. Programming

    Design a program in pseudocode that calculates the amount of money a person would earn over a period of time if their salary is one penny the first day, and then doubles each day. The program should ask the user for the number of days. Display what the

    asked by Ant on May 21, 2010
  5. physics

    a tank of ideal gas is sealed off at 20 degrees C and 1.00 atm pressure. What will be the pressure (in kPa and mmHg) in the tank if the gas temperature is decreased to -35degrees C ? the book answer is 82kPa = 6.2 x10^2 mmHg can you help me figure out how

    asked by phyllis on March 6, 2010
  6. Math

    lines Points A and B are on the horizontal line on either side of the vertical line. Points E and F are on the vertical line on either side of the horizontal line. Another line runs diagonally through the center up to the left and down to the right. Points

    asked by Anonymous on February 8, 2019
  7. statistics

    Suppose that a random variable, X, follows a Normal distribution. Specifically, X~N(10, 4). What is the value for the standard deviation

    asked by Kat on September 13, 2012
  8. statistics

    if the mean is 250mg and the standard deviation is 75mg and 2% goes either right or left, what formula do i use to come out with a normal curve?

    asked by gracie on July 15, 2012
  9. calc

    Find the normal equation to the curve LaTeX: xy\:+\:2x\:-\:y\:=\:0xy+2x−y=0 that are parallel to the line -4x - 2y = 10.

    asked by Paige on October 11, 2018
  10. chemistry

    What are the advantages of a gas as a coolant? (instead of heavy/normal water) (in a fission reactor)

    asked by william on March 8, 2008
  11. science

    How does coronary artery disease affect normal homeostasis of the cardiovascular system

    asked by Gabby on July 17, 2014
  12. college statistics

    find the normal approximation for the binomial probability that x=5 where n=14 and p=0.3 compare this to the value of p(x=5) found in table 2

    asked by melba on June 5, 2012
  13. Statistics

    x=3-0 . What percentage of the area under the normal curve lies to the left of ( 16.0% 15.80% 2.50% 0.50% having trouble with this my answer was 15.00% 0.15%

    asked by Jack on June 20, 2010
  14. PHYSICS

    WHAT IS MAGNITUDE OF NORMAL FORCE IN FIGURE WITH V=+3M/S +10n INSIDE BOX IS 5KG

    asked by SANDY on January 19, 2011
  15. Statistics

    What measurement forms normal distribution? Would it be the mean and variance? (avg. and standard deviation) Could you help me please

    asked by Lexi on October 15, 2008
  16. Anatomy

    How does coronary artery disease affect the normal homeostasis of the cardiovascular system

    asked by Gabby on July 18, 2014
  17. statistics

    With a normal distribution and a mu=40 and sd =4, how can I figure out what percent of the area lies to the right of a reported score of x=45?

    asked by brenda on October 21, 2010
  18. PHYSICS

    WHAT IS MAGNITUDE OF NORMAL FORCE IN FIGURE WITH V=+3M/S +10n INSIDE BOX IS 5KG

    asked by SANDY on January 19, 2011
  19. Neon

    What is the normal phase? Neon is a gas at room temp and pressure. yo mamma.

    asked by Vicky on November 12, 2006
  20. economics

    give examples of normal and inferior goods---> what are the similarities and the differences between the 2 groups?

    asked by scott on November 12, 2009
  21. statistics

    Suppose that a random variable, X, follows a Normal distribution. Specifically, X~N(10, 4). What is the value for the standard deviation

    asked by Kat on September 13, 2012
  22. Physics

    A 68.5kg man is standing still on an elevator that isn't moving, what is the normal force on him?

    asked by Mele on December 31, 2012
  23. Physics

    A 68.5kg man is standing still on an elevator that isn't moving, what is the normal force on him?

    asked by Mele on December 31, 2012
  24. statistics

    which of the following percentiles corresponds to the area beneath the normal curve from a z score of -1.00 to +1.00 a.98% b.34% c.68% d.100%

    asked by Sally on October 10, 2014
  25. statistics

    for a standard normal curve, find the z-score that separates the bottom 30% from the top 70%

    asked by kay on November 5, 2008
  26. statistics

    1. What two aspects of data determine which measure of central tendency to use? 2. Why is it best to use the mean with a normal distribution ?

    asked by pam on January 19, 2016
  27. Statistics

    Given a population with a normal distribution, a mean of 100, and a standard deviation of 1, what value has an area of .1234 to its right?

    asked by Ed on December 9, 2010
  28. psychology

    Janice smokes while she is pregnant with her son. He is more likely to have: a. a normal IQ b. a lower IQ c. a higher IQ d. an IQ below 90 I choose B, is this right?

    asked by bj on October 3, 2011
  29. child profile

    » I can't find the normal physcial development of each age group, from childhood to adolescence. Someone please help me?

    asked by Sally on July 17, 2008
  30. Calculus Help!!!

    Find an equation for the tangent and normal to the curve x^2+y^2=9 at x=1 Do you have to simplify the problem to get y on one side. or is your u=x^2 v=y^2 du=2x dv=2y if so then what next?

    asked by Matt on October 7, 2007
  31. Math

    Given a standard normal distribution, determine the following. Show Table Values used in each part. a) P(Z1.32) c) P(Z< -1.32) d) P(-0.30

    asked by Monica on October 30, 2011
  32. statistics

    A random sample of n=36 scores is selected from a population. Will this have a definite normal distribution?

    asked by Leticia on March 17, 2011
  33. calc

    Find a normal vector for a line which is parallel to 5x-6y-15=0 plz explain in steps

    asked by shark on June 8, 2011
  34. math

    Find two values defining tails of the normal distribution with an area of 0.05 each. Thank you so much for huge help:))

    asked by Lucas on November 23, 2015
  35. Physics

    What is the normal force when a 40 kg person jumps and is accelerating at 3 m/s2 upward while in contact with the ground?

    asked by Naren on November 28, 2017
  36. misc

    is 95 pounds normal, or above for a 16 year old..? just wondering [height: 5 ft] i don't need any links., just opinions :D

    asked by Bella on February 22, 2009
  37. Physics

    What is the normal force when a 40 kg person jumps and is accelerating at 3 m/s2 upward while in contact with the ground?

    asked by Naren on November 28, 2017
  38. Math-Statistics

    For a standard normal curve, find the z-score that separates the bottom 90% from the top 10%.

    asked by jason on December 9, 2009
  39. statistics

    I am so lost, please help! Compare the measurements in the study with the standard normal distribution, what does this tell you about the data?

    asked by Malaki on July 4, 2010
  40. statistics

    Find the number z that satisfies the proportion of the observations in a standard normal distribution less than z is 30%?

    asked by Ashley on February 22, 2012
  41. math vector

    Find the Principal unit normal vector to the curve at the specified value of the parameter. r(t)=ti+t^(2)j+lntk, t=1

    asked by jay on February 8, 2014
  42. Calculus

    Consider the parabola r(t)=, does the principal unit normal vector point in the + or - y-direction along the curve?

    asked by Z32 on February 25, 2011
  43. science/math

    width of a normal sheet of paper is 8.5inches. Convert this length to kilometers

    asked by natasha on November 17, 2012
  44. chemistry

    Calculate the normal freezing point of an aqueous solution containing 30% w/w ethylene glycol. Thanks

    asked by el on October 26, 2011
  45. Math Help please!

    Find the area under the standard normal distribution curve for the following z-values: a. Between z= 0 and z = 2.01 b. Between z = 0 and z = -0.32 c. To the left of z = -0.73 d. To the right of z = 0.32

    asked by Luna on April 3, 2013
  46. anatomy

    How does coronary artery disease affect normal homeostasis of the cardiovascular system

    asked by Gabby on July 16, 2014
  47. english

    contemporary:fashionable ::ancient : normal correct formal natural obsolute

    asked by hhhhh on November 10, 2010
  48. statistics

    Let X be the average of a sample of 16 independent normal random variables with mean 0 and variance 1. Determine c such that P (X< c) = .5

    asked by Anonymous on March 9, 2011
  49. statistics

    What is the probability that the value of a randomly selected variable from a normal distribution will be more than 3 standard deviations from its mean value?

    asked by MrsAwhite on June 10, 2011
  50. Statisitcs

    How do I find the value of the mean, when I am only given the std dev of a normal distribution and a percentage of values greater than another value.

    asked by A. on April 14, 2016
  51. Physics

    A sled weighing 60 N is pulled horizontally across snow so that the coefficient of kinetic friction between the sled and the snow is 0.100. A penguin weighing 70 N rides on the sled. If the coefficient of static friction between the penguin and the sled is

    asked by Armando on December 6, 2006
  52. math

    Kenisha sells athletic shoes part-time at a department store. She can earn either $500 per month plus a 4% commission on her total sales, or $400 per month plus a 5% commission on total sales. Write a system of equations to represent the situation. What is

    asked by Artie on February 18, 2008
  53. Info Tech

    Write a pascal program that will accept the names of all sales staff members and their total sales for the month. The algorithm must calculate the commission at 3% of their total sales amount. It should also display the name, total sales and commission of

    asked by Cristhofer Lugo on February 5, 2017
  54. Cost Accounting

    For 2008, Southwest Industrial has a monthly overhead cost formula of $42,900 + $6 per direct labor hour. The firm's 2008 expected annual capacity is 156,000 direct labor hours, to be incurred evenly each month. Making one unit of the company's product

    asked by Michelle on June 26, 2010
  55. accounting

    "Harris Company manufactures and sells a single product. A partically completed schedule of the company's total and per unit cost over the relevant range of 30,000 to 50,000 per units produced and sold are: United produced and Sold: 30,000 ; 40,000; 50,000

    asked by denise on June 3, 2010
  56. Chemsitry II

    mole fraction is equal to partial pressure divided by the total pressure Total pressure= sum of partial pressure use PV=nRT where n= number of moles equation become PV/RT=n make sure to convert the temperature to Kelvin and to use 0.0821 for R. V=volume,

    asked by Delli on May 10, 2007
  57. Mechanics

    The cylindrical bar in the figure has a total length L=1.2 m, a diameter d=15 mm, and is confined by fixed supports at the walls A and B. A concentrated axial load FC=30 kN is applied to the bar at point C as indicated in the figure, with LAC>LBC. The bar

    asked by AMK on May 12, 2013
  58. Math

    A dress is on sale at 15%, off the regular price. If the sales price is $110.50, what is the exact regular price? (a)$ 275.00 (b)$93.50 (c)$94.00 (d)$ 95.00 (e)$ 130.00

    asked by Robert G on September 18, 2011
  59. Physics

    The second harmonic of a guitar string has a frequency of 120 Hz. What is the length of the guitar string if the speed of the waves on the string is 110 m/s?

    asked by anonymous on February 2, 2013
  60. chemistry

    i.Calculate the volume of carbon ivoxide given off at stp when 20gram of octane is burnt in excess air (c=12,1+=1 gmv of any gass is 22.4dm^3 at stp). ii. Deduce the formula of a hydrocarbon with general formula cnH2n-2 of its molar mass in 110.

    asked by lawrence on September 5, 2016
  61. math

    A farmer has 110 metres of fencing to fence off a rectangular area. Part of one side is a wall of length 15m. Find the dimensions of the field that give the maximum area. Answers: length and width = 31,25m Thank you so much for a huge help.

    asked by Lucas on October 22, 2013
  62. prob. & stat

    suppose 240 nursing students took a certification test that is worth 140 points. the five number summary for the scores is shown here. about how many students had a score of 130 or less min. value=68, Q1=110, median=125, Q3=130, max-value=138

    asked by sweet12 on March 31, 2015
  63. Math

    Suppose 360 nursing students took a certification test that is worth 140 points. The five-number summary for the scores is shown here. min. value = 68 Q1 = 110 median = 125 Q3 = 130 max. value = 138 About how many students had a score of 130 or less?

    asked by Monkey55 on November 4, 2014
  64. statistics

    Wages and salaries make up only part of a total compensation. Other parts include paid leave, health insurance, and many others. In 2007, wages and salaries among manufacturers in the United States made up an average of 65.8% of total compensation. To

    asked by june on July 20, 2014
  65. pHYSICS

    Packages dropped by planes in the olden days didn't have onboard guidance or propulsion systems such as are found today. The path of the package was determined by the initial veloctiy (of the person that dropped that the package) and the acceleration due

    asked by McSmarty on September 20, 2007
  66. physics

    Challenger Deep in the Marianas Trench of the Pacific Ocean is the deepest known spot in the Earth's oceans, at 10.922 km below sea level. Taking density of seawater at atmospheric pressure (p0 = 101.3 kPa) to be 1024 kg/m3 and its bulk modulus to be B(p)

    asked by Anonymous on April 16, 2011
  67. science

    While rearranging a dorm room, a student does 288 J of work in moving a desk 2.2 m. What was the magnitude of the applied horizontal force?

    asked by vanessa on February 4, 2012
  68. Physical Science

    While rearranging a dorm room, a student does 310 J of work in moving a desk 1.5 m. What was the magnitude of the applied horizontal force?

    asked by Anonymous on September 18, 2016
  69. physics

    brakes are applied in bringing in a 1200-kg car moving at 25 m/s to rest in 20.0 s. show that the amount of braking force is 1500n.

    asked by jasmin on October 29, 2012
  70. Physics

    A car of mass is 100 kg applies break from 40 km per hours to 0 .it takes 12 seconds .what amount of force is applied for breaks?

    asked by S.C.D on July 24, 2014
  71. Business ethnics

    Read the case study concerning Joelle which is on page 25 of your text. Discuss the different ethical principles which can be applied in handling this situation. Which would you use and why?

    asked by jay jay on August 6, 2008
  72. physics

    While rearranging a dorm room, a student does 307 J of work in moving a desk 1.1 m. What was the magnitude of the applied horizontal force?

    asked by kim on September 17, 2016
  73. Psyc

    3. Rita, a sports psychologist, has applied for a huge grant to study factors that will produce more winners in the next international competition.

    asked by karen on February 20, 2015
  74. physics

    brakes are applied in bringing in a 1200-kg car moving at 25 m/s to rest in 20.0 s. show that the amount of braking force is 1500n.

    asked by jasmin on October 29, 2012
  75. science

    While rearranging a dorm room, a student does 287 J of work in moving a desk 2.5 m. What was the magnitude of the applied horizontal force?

    asked by Kim on February 25, 2013
  76. science

    While rearranging a dorm room, a student does 292 J of work in moving a desk 3.7 m. What was the magnitude of the applied horizontal force?

    asked by ashley on September 3, 2010
  77. Physics

    Forces of 10.6 N north, 20.8 N east, and 14.3 N south are simultaneously applied to a 3.76 kg mass as it rests on an air table. What is the magnitude of its acceleration?

    asked by Jane on November 1, 2010
  78. biomechanics

    f a 20.8 N horizontal force must be applied to slide a 10.1 kg box along the floor at constant velocity what is the coefficient of sliding friction between the two surfaces?

    asked by Anonymous on May 20, 2012
  79. science

    While rearranging a dorm room a student does 286 J of work to move a desk 1.3 m. What was the magnitude of the applied horizontal force?

    asked by Valerie on February 21, 2013
  80. science

    While rearranging a dorm room, a student does 286 J of work in moving a desk 1.3 m. What was the magnitude of the applied horizontal force?

    asked by Valerie on February 21, 2013
  81. Physics

    How much work is done pushing a wheel barrow full of cement 5.3m forward if a force of 500N is applied 20 degrees from the vertical?

    asked by Ted on April 11, 2013
  82. Science

    Fertilizers and pesticides applied to farm fields in Pennsylvania have made their way down into the Chesapeake Bay in Maryland. This is an example of _________________ pollution.

    asked by Peter on January 5, 2014
  83. Science

    While rearranging a dorm room, a student does 378 J of work in moving a desk 2.8 m. What was the magnitude of the applied horizontal force?

    asked by KeKe on September 19, 2012
  84. Physics

    Forces of 10.6 N north, 20.8 N east, and 14.3 N south are simultaneously applied to a 3.76 kg mass as it rests on an air table. What is the magnitude of its acceleration?

    asked by Jane on November 1, 2010
  85. physics

    The potential difference applied to an X-ray tube is 5 kV and the current through it is 3.2 mA. Then the number of electrons striking the target per second and speed at which they strike?

    asked by sunil on April 7, 2011
  86. Physics

    Forces of 10.6 N north, 20.8 N east, and 14.3 N south are simultaneously applied to a 3.76 kg mass as it rests on an air table. What is the magnitude of its acceleration?

    asked by Jane on November 1, 2010
  87. physics

    Two forces are applied to a car in an effort to move it, as shown in the following figure, where F1 = 416 N and F2 = 363 N. (Assume up and to the right as positive directions.)

    asked by Anonymous on February 24, 2012
  88. physics

    calculate the horizontal force that must be applied to produce an acceleration of 1 g for 1 kg. puck on a horizantal frictiom-free air table.

    asked by Anonymous on December 12, 2010
  89. science

    While rearranging a dorm room, a student does 292 J of work in moving a desk 3.7 m. What was the magnitude of the applied horizontal force?

    asked by ashley on September 3, 2010
  90. science

    Fertilizers and pesticides applied to farm fields in Pennsylvania have made their way to Chesapeake Bay Maryland, this is an example of _____________ pollution.

    asked by Anonymous on January 15, 2015
  91. english

    Factory-trained technicians respond to all our calls. "The service contract...on the whole...applied to upgrades. Need help rewriting malfunctions ect

    asked by Jennie on January 11, 2017
  92. Physics

    While rearranging a dorm room, a student does 312 J of work in moving a desk 2.0 m. What was the magnitude of the applied horizontal force?

    asked by yazi on February 13, 2015
  93. Math Calc

    Which of the following statements is/are true 1. If f'(c)=0 then f has a local maximum of minimum at x=c 2. If f is continuous on [a,b] and differentiable on (a,b) and f'(x)=0 on (a,b) then f is constant on [a,b] 3.The Mean Value theorem can be applied to

    asked by Ke$ha on January 5, 2017
  94. Physics

    Forces of 11.5 N north, 20.4 N east, and 15.7 N south are simultaneously applied to a 3.74 kg mass as it rests on an air table. What is the magnitude of its acceleration?

    asked by Bala on October 31, 2010
  95. physics

    determine the energy stored in a 2m long wire of cross sectional area 0.5mm^2 kf the force of 50N is applied to it.

    asked by jay on December 14, 2015
  96. Physics

    Forces of 11.5 N north, 20.4 N east, and 15.7 N south are simultaneously applied to a 3.74 kg mass as it rests on an air table. What is the magnitude of its acceleration?

    asked by Bala on October 31, 2010
  97. physics

    a plank will break if a forces of 350 N is applied to its center.What is the largest weight it can support if it is titled to an angle of 35degrees?

    asked by jazmyn on September 15, 2010
  98. statistics

    n New York State, savings banks are permitted to sell a form of life insurance (SBLI). The approval process consists of underwriting, which includes a review of the application, a medical information bureau check, possible requests for additional medical

    asked by jay on February 9, 2009
  99. Math-Statistice

    In New York State, savings banks are permitted to sell a form of life insurance (SBLI). The approval process consists of underwriting, which includes a review of the application, a medical information bureau check, possible requests for additional medical

    asked by jay on February 9, 2009
  100. Physics

    A worker applies a constant force of magnitude F = 339 N on a crate in a direction è = 26.1o above the horizontal as he pulls it across a level floor through a distance of s = 7.20 m. The mass of the crate is m = 53 kg and the coefficient of kinetic

    asked by Sara H on December 18, 2012