Questions Asked on
March 7, 2011

  1. calculus

    Let C(q) be the cost, and R(q) be the revenue of producing q items. If C′(23) =62 and R′(23) =57 then approximately how much profit is earned by item number 24?

    asked by Susan
  2. Chemistry

    At 25C and 1.0 atm, 0.25 g of a gas dissolves in 1.00 L of water. What mass of the gas dissolves in 1.00 L of water at 25C and 3.0 atm?

    asked by BRIT
  3. chemistry

    given the following data at a certain temperature, calculate K for the reaction between one mole of dinitrogen oxide gas and oxygen gas to give dinitrogen tetraoxide 2N2 + O2 TO GIVE 2N2 K=1.2X10-35 N2O4 TO GIVE 2NO2 K=4.6X10-3 1/2N2 + O2 TO GIVE NO2

    asked by karim
  4. Art 101

    View Vincent van Gogh’s The Starry Night on p. 61 and Sol LeWitt’s Wall Drawing No. 681 on p. 64 in Ch. 4 of A World of Art and describe both paintings in terms of their lines. What does each artist’s use of line communicate about the artist’s

    asked by Carry
  5. chemistry

    How would you prepare a 150.0mL of a 3.50 pH buffer solution using .500M NaOH and .500M HCOOH. I've gotten the base/acid ratio for the Henderson-H. equation. But now I'm not sure how to figure out the balance of solutions of HCOOH and NaOH to get both

    asked by Israel
  6. chemistry

    if 2 sealed containers, one containing carbon dioxide and the other containing methane were opened at the same time which gas would have the fastest rate of effusion? show work.

    asked by john
  7. Math 126

    State whether the following sequence is arithmetic, geometric, or neither. 4, 15, 26, 37, 48, 59, .....

    asked by Del
  8. computer science

    Write a complete C# program that displays a menu comprising of the followings: Main Menu 1) Calculate Fuel Consumption 2) Calculate Weekly Wages 3) About This Program 4) Exit Program Enter your Choice: Calculating Fuel Consumption When the user chooses

    asked by Will
  9. 3rd grade writing Math

    Mina says that if you know the products up to 10x10, you also know the division facts up to a dividend of 100. Is she right? Explain.

    asked by Dominique
  10. Physics

    When you push a 1.82-kg book resting on a tabletop, it takes 2.30 N to start the book sliding. Once it is sliding, however, it takes only 1.46 N to keep the book moving with constant speed. Q1. What is the coefficient of static friction between the book

    asked by Randy
  11. Statistics

    True or False 1. Chi square tests of independence and homogeneity are both usually right-tailed tests. 2. A chi square goodness-of-fit test is appropriate for determining whether a random number generator is truly random.

    asked by Graciela
  12. Algebre II

    Help, Im stuck.... I cannot remember what to do. (x+6)(x-7)(x+4)>0 The solution set is....{x, } Thank you:)

    asked by Nancy
  13. Algebra II

    Help, Im stuck.... I cannot remember what to do. (x+6)(x-7)(x+4)>0 The solution set is....{x, } Thank you:)

    asked by Nancy
  14. Math

    An instructor gives regular 20-point quizzes and 100-point exams in a mathematics course. Average scores for six students, given as ordered pairs (x,y) where x is the average quiz score and y is the average test score, are (18, 87), (10, 55), (19, 96),

    asked by Re
  15. Chemistry

    A lead atom has a mass of 3.40×10−22 g. How many lead atoms are in a cube of lead that has a volume of 1.40 cm^3 if the density of lead is 11.3 g/cm^3?

    asked by Vy
  16. chemistry

    A certain monoprotic weak acid with Ka = 6.7 × 10-8 can be used in various industrial processes, but is no longer used in chemistry teaching labs because it tends to explode when it gets old. (a) What is the [H+] for a 0.558 M aqueous solution of this

    asked by Adrianna
  17. Chemistry

    Please help me with this question: Calculate the theoretical yield amount of CaCl2 that would be required to change the temp of 50ml of water from room temp 20degree to 45 degrees. Heat Capacity H20 is 4.184 Jg^-1deg^-1 and density is 1g/mL. I've already

    asked by Selena
  18. calc

    Calculate dy dx . You need not expand your answer. y = (9x2 + x)(x − x2)

    asked by Beth
  19. Chemistry

    What is the pH of a solution that is comprised of 0.0843 M HCl and 0.0287 M HClO4?

    asked by Sierra
  20. calc

    Evaluate the given expression. d dx [2(x2 + 3|x|)] 1

    asked by Beth
  21. English

    Do you agree or disagree that persistence is the major factor in success, and that talent, genius,and exucation play, at best, secondary roles? Plan and write an essay in which you develop your point of view on this issue. Support your position with

    asked by Biodun
  22. Chemistry

    What mass of magnesium, Mg, contains the same number of atoms as 12g of Carbon, C Could you please show the method too Thanx :)

    asked by Jannie
  23. English

    1. Songpyeon is the food I like best. 2. Songpyeon is a rice cake which I like most. 3. Songpyeon is what I love to eat. 4. This is songpyeon, which I like best. 5. This is the Opera House, which operas are played in. 6. This is the Opera House, which is

    asked by rfvv
  24. English

    1. I have a mother, father and brother. 2. I have Mother, Father, and a brother. 3. I have mother, father, and a brother. 4. I have Mother, Father, and Brother. 5. I have my mother, my father, and my brother. 6. I have my mother, father, and brother. 7.

    asked by rfvv
  25. chemistry

    A 27-gram sample of water, H2O, is how many moles of water?

    asked by Amy
  26. Math

    Find two numbers whose sum is 90 and one-third of the smaller number is equal to one seventh of the larger number

    asked by Bob
  27. material engineering

    I need help for this product. beverage can (e.g;for fizzy drinks).. for this product : 1- What is the appropriate metal for the manufacture of this product.? 2- How can we choose the right manufacturing process? 3-Which material selection charts I must

    asked by hym
  28. English

    Can you please help me check these sentences, please? Thank you. 1) Slaves were considered as animals: white slaves used to sell them by auction. 2) Furthermore, white slave owners imposed a system of punishment and reward (better: of punishments and

    asked by Mike
  29. English Intolerance task:

    Hey guys once again. I have trouble between choosing the Johnny Rebel song of "!@#$%^&er Hatin Me" OR "Kajun Ku Klux Klan" which one and why? (note: ill need to have some points on how intolerance is demostrated throughout the song lyrics like what types

    asked by Shivi
  30. Java

    Can someone please help me out!!!I included what I have so far. *Purpose Implement a Java-method with three local int variables a, b, c, d and e that sorts these three values in ascending order by comparing and exchanging their values. At the end of the

    asked by Joyenna
  31. Calculus 12th grade (double check my work please)

    1.) which of the following represents dy/dx when y=e^-2x Sec(3x)? A.3e^-2x sec(3x) tan (3x)-2e^-2x Sec(3x)

    asked by anon
  32. math

    what is 54 multiply by 31?

    asked by alexander -important!!!
  33. music

    is the trumpet in the brass section?

    asked by alexander
  34. math

    how much is 15 divide by 22?

    asked by alexander- important!!!
  35. material engineering

    Thank you so much drwls ... please, Do you mean is also possible to choose tin-coated steel for (Beverage cans)? Because it is required to choose more than one metal and compare them in terms of cost, attributes and manufacturing process, and then chose

    asked by hym
  36. Trigonometry

    I really need help with this trigonometry question.please any help is appreciated. 1.I have to draw the graph of y=cos x from 0deg to 360deg. 2.Be sure to show a table of vales similar to the this table. colum X l colum :y=sinx 0 l 0.00 pi/10 l 0.31 pi/5 l

    asked by anon
  37. Statistics

    Part 1) Exposure to dust at work can lead to lung disease later in life. In a study of 115 drill and blast workers involved in tunnel construction the mean dust exposure was 18.0 mg-yr/m^3 with a standard deviation of 7.8 mg-yr/m^3 (sample 1). Another

    asked by Rob
  38. statistics

    Part 1) A physical therapists wishes to determine whether an exercise program increases flexibility. He measures the flexibility (in inches) of 12 randomly selected subjects both before and after an intensive eight-week training program and obtains the

    asked by Rob
  39. statistics

    An obstetrician maintains that preterm babies (gestation less than 37 weeks) have a higher variability of birth weight than do full-term babies (gestation 37-41 weeks). According to the National Vital Statistics Report, Vol. 48, No. 3, the birth weights of

    asked by Rob
  40. education

    identify several standards that similiar

    asked by Anonymous
  41. physics

    importance for significant of figures

    asked by sam
  42. Chemistry

    Please help me with this question: Calculate the theoretical yield amount of CaCl2 that would be required to change the temp of 50ml of water from room temp 20degree to 45 degrees. Heat Capacity H20 is 4.184 Jg^-1deg^-1 and density is 1g/mL. I've already

    asked by Selena
  43. physics

    Pls,tell me the importance of Significant Figures?

    asked by sam
  44. Physics

    The four wires in the figure are tilted at 20 with respect to the field direction. Each carries 4.5 and is 0.35 long. What is the magnitude and direction of the force on each wire?

    asked by Bob
  45. Word Problems

    The manager has one type of coffee that sells for $5 per pound and another type that sells for $11 per pound. The manager wishes to mix 90 pounds of the $11 coffee to get a mixture that will sell for $10 per pound. How many pounds of $5 coffee should be

    asked by Melanie
  46. physics

    What is the difference between paper plane and genral plane?

    asked by Taniya
  47. Business and Technology

    What impression do you have of multinational firms that have operations in multiple countries

    asked by Anonymous
  48. physics

    What is the difference between paper plane and genral plane?

    asked by Taniya
  49. English

    Thank you very much for your help. Here are some more sentences I'm not sure of. 1)Each South-American family owned more than twenty slaves on average. 2)Slaves were mostly needed to work on plantations. Their task was to grow and harvest sugar cane. In

    asked by Mike
  50. Algebra

    A brick staircase has a total of 16 steps The bottom step requires 112 bricks. Each successive step requires 4 fewer bricks than the prior one. How many bricks are required to build the staircase?

    asked by Amber
  51. Algebra 1

    The function A = A0e-0.01386x models the amount in pounds of a particular radioactive material stored in a concrete vault, where x is the number of years since the material was put into the vault. If 500 pounds of the material are initially put into the

    asked by brad
  52. Algebra 1

    Evaluate the given binomial coefficient ( 8 ) 4

    asked by brad
  53. u s history

    what factors led to western expansion at the the? what other factors contributed to the expansion? how has the notion of Manfiest Destiny shaped the world today?

    asked by belinda
  54. maths

    I don't understand what to do at all, I've several like this if someone could explain this one i could maybe undersatnd what to do with the rest. Thanks!! "Factorise, then solve the equation x^2=5x-36=0 then explain how you could use your answer to solve

    asked by Susan
  55. chemistry URGENT!

    each tablespoon of the liquid contains 95mg of aluminum hydroxide and 412mg of magnesium carbonate.how many moles of hydronium ion can be neutralized by one tablespoon of it?al(oh)3 =78g/mol ;mgCo3 =84.3 g/mol

    asked by thanksalot
  56. math

    Emma is installing a new tile floor. Each tile measures 12 inches by 12 inches. The room in which she is installing the tiles measures 14 feet by 10 feet. If each tile costs $1.25, how much will it cost Emma to complete her project?

    asked by Anonymous
  57. math

    Emma is installing a new tile floor. Each tile measures 12 inches by 12 inches. The room in which she is installing the tiles measures 14 feet by 10 feet. If each tile costs $1.25, how much will it cost Emma to complete her project?

    asked by Anonymous
  58. physics

    traveling at 27.78 m/s with a deceleration rate of 5m/s squared.....How long will it take you to decelerate to 0.

    asked by Jason
  59. accounting 1

    what accounting principle would changing methods every year violate?

    asked by luke
  60. Algebra 1

    To train for a race, Will begins by jogging 11 minutes one day per week. He increases his jogging time by 5 minutes each week. Write the general term of this arithmetic sequence, and find how many whole weeks it takes for him to reach a jogging time of one

    asked by brad
  61. physics Only one part left !!!!!! PLZ HELP

    A uniform, square metal plate with side L = 3.50 cm and mass 0.087 kg is located with its lower left corner at (x, y) = (0, 0) as shown in the figure. Two squares with side length L/4 are removed from the plate. (a) What is the x-coordinate of the center

    asked by HELP!!!!
  62. physics Only one part left !!!!!! PLZ HELP

    A uniform, square metal plate with side L = 3.50 cm and mass 0.087 kg is located with its lower left corner at (x, y) = (0, 0) as shown in the figure. Two squares with side length L/4 are removed from the plate. (a) What is the x-coordinate of the center

    asked by HELP!!!!
  63. Physics- magnetism

    The four wires in the figure are tilted at 20degrees with respect to the field direction. Each carries a 4.5 current and is 0.35m long. What is the magnitude and direction of the force on each wire? (the answer is in terms of B-magnetic field) Image: h t t

    asked by Bob
  64. English

    I really have problems in correcting the grammar and choosing the proper synonyms in these sentences. I selected the six most difficult ones. 1) Their task was to grow and harvest sugar cane. In those profit-making enterprises a system of terrible

    asked by Mike
  65. physics

    traveling at 27.78 m/s with a deceleration rate of 5m/s squared.....How long will it take you to decelerate to 0.

    asked by Jason
  66. english

    wher can i find accurate up to date info on abolishing the death penalty??any web sites or database please i looked all over the internet..please help! I am writing a argument paper on the death penalty

    asked by cale
  67. physics

    A square plate made of copper has a length of 4.253 m on a side, at 15.00 degrees Celsius. A hole is drilled in the plate, the diameter of which is 1.750 m. The plate is heated to 177.00 degrees Celsius. Assume that alpha= 16.8* 10^-6 for copper. A)

    asked by Shreya
  68. PHYSICS

    A box is lifted with a pry bar, by slipping the bar under the box and lifting up on the bar. If the pry bar is 2m in length and it is grasped at the end, and the box is located at the opposite end, the fulcrum, with its center of gravity at a distance of

    asked by CHRIST
  69. Management

    How does management style influence the working environment at MTV

    asked by Tarif
  70. sci 207

    6. In chapter 3, we discussed carrying capacities. What do you think the maximum and optimum carrying capacities for humans are? Why is this a more complex question for humans than it might be for other species? Why is designing experiments in human

    asked by alex
  71. Math

    The wheel on Kirk's bike has a diameter of 27 inches. How far does the bike travel each time the wheel rotates?

    asked by hunter29
  72. Trig

    What is the phase shift of y=6cos(6x+pi/2)?

    asked by Dwight
  73. math 2

    4p squared by 2 plus 8p equal zero?? HELP ME OUT PLEASE THIS THE ONLY QUESTION NEED TO BE ANSWER... SOMEBODY REPLY TO THIS FOR ME ITS QUADRATIC EQUATION... THANKS

    asked by shantay
  74. math formula

    Find the volume of the prism. whats the formula i would use?

    asked by danny
  75. world geography

    what is eastern europe's largest ethnic group?

    asked by anonymous
  76. geometry

    Julian is interested in building a new house. Three architects have given him plans. The first plan is for a house that will be 2,250 square feet. The total cost of the house will be $281,250. The second plan is for a house that will be 2,400 square feet.

    asked by jane
  77. Algebra

    A riverboat cruise line has a boat that can travel 76 mi downstream in the same time that it takes to travel 52 mi upstream. The speed of the current in the river is 1.5 mph. Find the speed of the boat in still water.

    asked by Paula
  78. algebra

    suppose a student scores in three tests of english 15 out of 25,28 out of 40 and 24 out of 30.if the test are given equal value what is the average percent of the student and which is the best result

    asked by marako
  79. social studies

    how did the atomic bomb affect the united states

    asked by Anonymous
  80. world geography

    what caused the balkanization of Czechoslovakia and Yugoslavia?

    asked by anonymous
  81. Geography/History

    These factors hinder water quality improvement in Eastern Europe. 1) carbon credits 2) cost 3) outdated systems 4) raw water quality 5) unskilled employees Can someone help, please?

    asked by Kaitlin
  82. statistics

    For a sample with a mean of M 45, a score of 59 corresponds to z 2.00. What is the sample standard deviation?

    asked by olga
  83. algebra

    Essay; show all work. Consider that the age, x, of a unicorn in human equivalent years can be given by the formula f(x) = - 0.011718x4 + 0.187326x3 – 1.3367x2 + 12.46x + 2.914. When a unicorn is 2.5 years old, what is its age in human equivalent years?

    asked by joe hahira
  84. algebra

    Essay; show all work. Bob’s Barber Shop estimates their gross revenue for the second quarter to be given by the polynomial 7x3 – 9x2 – 2x + 4. The shop estimates their costs for that quarter to be given by x2 + 7x – 5. For the second quarter, find

    asked by joe hahira
  85. english

    Im not sure on how to do my introduction on an essay for a school magazine giving your views on how people treat animals? can someone please help me thanks alot

    asked by katie
  86. science

    Can you recommend a good website for Deep Ocean Currents. I already went to all of the government run sources, like the Oceanic and Naval. Books also if you can think of any. I am working on my science project and it is about the 'Global Conveyer Belt'.

    asked by Reed
  87. algebra

    Write all of the following statement(s) that apply to the following polynomial: x2 – 9x + 3 It is a binomial. It can be evaluated at x = It has a coefficient of 9. It is quadratic.

    asked by joe hahira
  88. Chemistry

    When NiCl2.6H2O dissolves in water, what does it form (i.e. balanced equation)?

    asked by John
  89. accounting

    onlinesolutionproviders Get free homework and earn as well

    asked by azi
  90. Pre Calculus

    The diameter of a ferris wheel is 250 feet and θ is the central angle formed as Dave travels around the wheel. Dave starts his ride at Point 0, makes 4 complete revolutions and stops at Point 1, 45 degrees from Point 0. If his ride takes 5 minutes, how

    asked by Roberta
  91. Math

    How far does the bike go on one rotation of the pedal sprocket in gear 2c? Gear 2c = 1.95

    asked by Josh
  92. Really bad interpreter

    Can some one explain this to me????? "The American farmer, (says this gentleman) has more simplicity and honesty-we more art and chicanery; they have more of nature, and we more of the world. Nature, indeed, formed our features and intellects very much

    asked by High school
  93. chemistry

    What reaction would you get if you added sodium to water ?

    asked by Anonymous
  94. college HIST

    The Age of Jackson is often seen as a turning point in American politics, one where we turn from a politics where few could vote or hold office to one where many could. Define Jacksonian Democracy and show how it changed the political system from what came

    asked by benjamin
  95. Math

    A square with a side of 4 has an area that is 80% of rectangle WXYZ. What is the area of rectangle WXYZ? 20

    asked by Aveyona
  96. chemistry

    what is the mass of CuS04 needed to prepare a 125ml solution of 3.5M?

    asked by kjkajkjujo
  97. College Calculus

    Let f(x) = 3x^2 - 2x + 1 a) write an equation of the line going through the points (1, f(1)), and (2, f(2)). b) Find a point on the graph of f where the tangent line to the graph has the same slope as the line in part (a). Write the equation of the tangent

    asked by NY-Calc
  98. English

    Background You’ve applied for a specific job in your field of study. The Human Resources Department arranges an interview and tells you to bring with you a polished piece of writing for them to evaluate your writing skills. The paragraph must describe

    asked by Mary
  99. Anatomy and Physiology

    calculate the percent KBr in a solution containing 0.88 grams KBr per 800 mL solution.

    asked by paul durlin
  100. Physics- Charge in electromagnetic field

    An antiproton (which has the same properties as a proton except that its charge is -e) is moving in the combined electric and magnetic fields of the figure: h tt p://post image. org/image/2sh3s3hs4/ What are the magnitude and direction of the antiproton's

    asked by Robert
  101. SCI 207

    Conservationists argue that watershed protection and other ecological functions of forests are more economically valuable than timber. Timber companies argue that continued production supports stable jobs and local economies. If you were a judge attempting

    asked by MARYLANIZ
  102. SCI 207

    Oil and gas companies want to drill in several parks, monuments, and wildlife refuges. Do you think this should be allowed? Why or why not? Under what conditions would drilling be allowable?

    asked by MARYLANIZ
  103. Physics - Current Loop

    A current loop in a motor has an area of 0.85 cm^2. It carries a 240 mA current in a uniform field of 0.62 T. What is the magnitude of the maximum torque on the current loop?

    asked by Robert
  104. Algebra

    train X travels west at 50 mph and train Y travels east at 40 mph. train X leaves at 2 p.m. and train Y leaves at 1 p.m. train X is located 100 miles east of Durham and train Y is located 75 miles west of Durham. which train will get to Durham the

    asked by Roxy
  105. Math

    Find the distance between the points with polar coordinates (2, 120°) and (1, 45°)

    asked by Lizzie
  106. BIOLOGY 109

    The myelination of central and peripheral axons occurs rapidly through the first few yrs, how can this development process explain the inproved motor abilities of infants and toddlers?

    asked by kim m
  107. Physics

    A 60 watt light bulb in a household circuit at 120 V carries a current of 0.500 amp. (An amp was defined in class as a way to measure charge movement. One amp is one coulomb per second.) How many electrons move through this light bulb in five minutes?

    asked by Anonymous
  108. History

    Where are China and Korea located in relationship to Japan? Why did this location allow for Japan to be influenced by many cultures at once?

    asked by Jess
  109. physics

    calculate the speed of an 7.3*10^4kg airliner with a kinetic energy of 1.4*10^9J. answer in units of m/s.

    asked by haha
  110. Physics concept question

    A long straight horizontal wire carries a current I = 2.10 A to the left. A positive 1.00 C charge moves to the right at a distance 4.50 m above the wire at constant speed v = 2250 m/s. What are the magnitude and the direction of the magnetic force on the

    asked by Robert
  111. Chemistry

    What is the percentage of potassium chloride to oxygen?

    asked by Erica
  112. Chemistry

    What is the percentage of potassium chloride to oxygen?

    asked by Erica
  113. BIOLOGY/ A & P

    The myelination of central and peripheral axons occurs rapidly through the first few yrs, how can this development process explain the inproved motor abilities of infants and toddlers?

    asked by kim m
  114. physics

    wat careers are associated with newtons law of motion

    asked by lerato molekoa
  115. psychology

    optimum physical health usually occurs a) between the ages of 15 and 21 b) between the ages 18 and 25 c) between the ages of 25 and 40 d)between the ages of 40 and 55 i want to say it it is a

    asked by Anonymous
  116. physics

    Three charges, +2.5 µC, -4.3 µC, and -6.0 µC, are located at (-0.20 m, 0.15 m), (0.50 m, -0.35 m), and (-0.42 m, -0.32 m), respectively. What is the electric field at the origin?

    asked by anonymous
  117. physics

    Three charges, +2.5 µC, -4.3 µC, and -6.0 µC, are located at (-0.20 m, 0.15 m), (0.50 m, -0.35 m), and (-0.42 m, -0.32 m), respectively. What is the electric field at the origin?

    asked by anonymous
  118. History

    How did Buddhism spread through Korea into Japan? Explain how Duddhism and Shinto blended together.

    asked by Jess
  119. math

    Find the mean absolute deviation of the set of data 16, 20, 24, 25, 28, 29, 31 and 35

    asked by dekiera
  120. Calculus

    how do I solve for t when i am given: 5000 = 45t^2 + 240t + 450

    asked by Chris
  121. Math(Please check)

    I posted this question a few days ago and someone answered it but I just wanted to make sure that I copied down the correct answers and didn't misunderstand anything. Related Rates: Gas is escaping a spherical balloon at the rate of 2ft^3/min. How fast is

    asked by Hannah
  122. Math

    Please help check my answers to make sure they are correct. I used the "sinking fund payment and present value of an ordinary annuity" formulas to solve this story problem. Thanks! Story: Naomi Dexter is 20 years old. She decides to investigate several

    asked by April
  123. engineering

    If a pogo stick was to be reinvented and you were to choose the spring type. What type of spring will generate the most return of kinetic energy compared to least amount of force needed to compress the spring...you can use leaf, coil, scissor, compression,

    asked by dave
  124. 7th grade math

    A group of 32 students went to the amusement park.All of them either rode the Ferris wheel or Roller coaster.Seventeen rode the Ferris wheel,23 rode the roller coaster,and 8 did both.How many rode only the Ferris wheel

    asked by Daniel
  125. physics

    greater potential energy a book lifted 1 meter off the ground or the same book lifter 10 meters off the ground

    asked by jazmine
  126. Physics (please help!!)

    Analyze the flight of a projectile moving under the influence of gravity (mg) and linear, i.e., laminar-flow drag (fD = -bv), with b constant). Neglect (phase I); assume the projectile is launched from mthe origin at speed v1 and angle theta1 above the

    asked by Celine
  127. Chemistry HELP! IMLOST

    What volume of 1.30 M SrCl2 is needed to prepare 525 mL of 5.00 mM SrCl2?

    asked by Toni Jones
  128. english

    Share your thoughts on the following statement about writing from William Strunk and E. B. White's little book The Elements of Style. Think of one or two ways the writing you have worked on and revised might be like a drawing or a piece of machinery as

    asked by rita
  129. Physics...help please!

    A body of mass m moves in the +x direction, subject only to drag force: Fx= (-1/2)(CD*rhoair*S*vx^2) With drag coefficient CD, air density rho air, cross sectional area S, and velocity component vx. At time t=0 the body is at postion x=0 and has velocity

    asked by Roberto
  130. english

    Which sentence does NOT have any errors in agreement between pronouns and their antecedents? A. Each character on the pilgrimage to Canterbury had their own story to tell. B. Because each character was on the pilgrimage, they had to tell a story. C. While

    asked by anthony
  131. english

    Which sentence below uses personal pronouns correctly? A. Who touches Caesar's property will answer to Caesar. B. Whoever touches Caesar's property will answer to Caesar. C. Whomever touches Caesar's property will answer to Caesar. I think it's B?

    asked by anthony
  132. physics

    You take your backpack out of the car, hike to the top of a nearby mountain, and return with your backpack to your car at the bottom. Have you changed the amount of your backpack's mechanical energy?

    asked by may
  133. physics

    A skydiver jumps out of a plane. Does the mechanical energy of the jumper change while she is falling? Ignore the effects of air resistance.

    asked by kasey guilanski
  134. english

    The Passionate Shepherd to His Love Come live with me and be my love, And we will all the pleasures prove That valleys, groves, hills, and fields, Woods, or steepy mountain yields. And we will sit upon rocks, Seeing the shepherds feed their flocks, By

    asked by anthony
  135. Chemistry HELP AGAIN!

    What is the total molar concetration of all the ions in 0.015 M solutions of the following salts in water? .015 M KCl .015 M CuSO4 .015 M CaCl2

    asked by Toni Jones
  136. physics

    a suicase measrues 1.0m x 0.5m x 0.2m it has a mass of 10kg, what is its weight in newtons?

    asked by hasan
  137. math

    A curve has implicit equation x^2-2xy+4y^2=12 a)find the expression for dy/dx in terms of y and x. hence determine the coordinates of the point where the tangents to the curve are parallel to the x-axis. b)Find the equation of the normal to the curve at

    asked by Matteo
  138. Chemistry/Pre-Calc

    I haven't taken precalc in years and have forgotten how to reverse natural log. If ln(A)=18.288, what is the value of A?

    asked by Kathy
  139. calculus

    If x=sit t nad y=cos 2t prove that d^2y/dx^2+4=0

    asked by Matteo
  140. statistics

    According to an estimate, 50% of the people in America have at least one credit card. If a random sample of 30 persons is selected, what is the probability that at most 18 of them will have at least one credit card?

    asked by candace
  141. chemistry urgent

    Draw major product of substitution reaction of (2R,3S)2-bromo-3-methylpentane with CH3CH2O- nucleophile

    asked by zoe
  142. Math

    Consider every whole number area from 2 square units to 30 square units. For which of these areas is there only one rectangle with whole number side lengths?

    asked by jacob
  143. Revolutions help?

    I have to do a paragraph on how the Latin American revolutions were better then the American Revolution. [ IN my opinnion, they weren't, but my teacher gave me this topic] Could someone give me some reasons for why they were better? Thanks -Allyson

    asked by Allyson
  144. math

    What are line plots made up of

    asked by cheyenne
  145. geometry

    A sign is in the shape of a rhombus with a 60° angle and sides of 2 cm long. Find the area of the sign to the nearest tenth.

    asked by bob
  146. Math

    Consider every whole number area from 2 square units to 30 square units. For which of these areas is there only one rectangle with whole number side lengths?

    asked by jacob
  147. english

    The Nymph's Reply to the Shepherd by Sir Walter Raleigh 1600 If all the world and love were young, And truth in every shepherd's tongue, These pretty pleasures might me move To live with thee and be thy love. Time drives the flocks from field to fold, When

    asked by anthony
  148. Math

    Consider every whole number area from 2 square units to 30 square units. For which of these areas is there only one rectangle with whole number side lengths?

    asked by jacob
  149. Physics (please help!!!!)

    Lacking thrust, a glider can’t maintain level flight at constant speed in still air. It can, however, glide at a constant speed at a fixed downward angle. Find this angle in terms of the lift and drag coefficients CL and CD. Recall that lift is

    asked by Diane
  150. physics

    3. A 2.0-kg brick has the dimensions 7.5 cm „e 15 cm „e 30.0 cm. What is the pressure (in SI units) the brick exerts when standing on its largest face?

    asked by Anonymous
  151. 8th grade math

    the first side of a triangle measures 3 cm longer then the second side the third side is 4cm shorter then twice the second side the perimeter is 31cm. how long is each side?

    asked by Evan
  152. physics

    3. A 2.0-kg brick has the dimensions 7.5 cm „e 15 cm „e 30.0 cm. What is the pressure (in SI units) the brick exerts when standing on its largest face?

    asked by Anonymous
  153. physics

    Charlie pulls horizontally to the right on a wagon with a force of 37.2 N. Sara pulls horizontally to the left with a force of 22.4 N. How much work is done on the wagon after it has moved 2.50 meters to the right? in joules?

    asked by biana franz
  154. physics

    What is the change in the gravitational potential energy of a Boeing 767 jet as it soars from the runway up to a cruising altitude of 10.2 km? Assume its mass is a constant 2.04×105 kg. answer please in joules. thanks

    asked by susan pristas
  155. Science

    What shows how energy is passed each time energy is transferred?

    asked by Shaquille
  156. science

    The solid above sinks to the bottom when you put it in a container filled with water.What does that tell you about its desity?

    asked by bergunday
  157. physics

    What is the change in the gravitational potential energy of a Boeing 767 jet as it soars from the runway up to a cruising altitude of 10.2 km? Assume its mass is a constant 2.04×105 kg. in joules?

    asked by fiona paladino
  158. physics

    A car traveling at 62 km/h hits a bridge abutment. A passenger in the car moves forward a distance of 58 cm (with respect to the road) while being brought to rest by an inflated air bag. What magnitude of force in newtons (assumed constant) acts on the

    asked by Mary
  159. math

    write an expression for jessica who sits in the 4th row 3rd seat. Each row has 6 seats only four rows.

    asked by dashun
  160. algebra 2

    how to find the median of x,2x+1,x/2-13,45 and x+22 if the mean of this set of numbers is 83?

    asked by brianna
  161. math

    A phone compant uses the expression 1.25 + 0.10m to calculate the cost of a phone call that lasts m minutes. What is the cost of a call that last 20 minutes?

    asked by Jay
  162. math

    A computer technician charges $40 for a house call and $38 per hour. The expression 40 + 38t is used to find the cost of a house call that lasts t hours. What is the cost of a house call that last 3 hours?

    asked by Jay
  163. math !!!! :O

    In a department store, there were a certain number of red T-shirts, blue T-shirts, and yellow T-shirts. 3/7 of the T-shirts were red, 1/3 of them were blue and the rest were yellow. If there were 20 more red T-shirts than blue T-shirts, how many yellow

    asked by Katherine
  164. physics

    What is the change in kinetic energy of a baseball as it accelerates from rest to 45.0 m/s? The mass of a baseball is 145 grams. answer in joules

    asked by dina
  165. Chemistry

    A volume of 10.0 mL of a 0.00650 M solution of Cl- ions are reacted with 0.500 M solution of AgNO3. What is the maximum mass of AgCl that precipates?

    asked by Toni Jones
  166. geometry

    the ratio of the perimeter of two similar squares is 5 to 4. If the area of the smaller square is 32 square units, what is the area of the larger square?

    asked by sammy
  167. physics

    A bullet of mass 10.8 g leaves a gun barrel with a velocity of 511 m/s. What is the bullet's kinetic energy?

    asked by cale
  168. physics

    A bullet of mass 10.8 g leaves a gun barrel with a velocity of 511 m/s. What is the bullet's kinetic energy? answer in joules

    asked by mat
  169. Physics (please help!!)

    Analyze the flight of a projectile moving under the influence of gravity (mg) and linear, i.e., laminar-flow drag (fD = -bv), with b constant). Neglect (phase I); assume the projectile is launched from mthe origin at speed v1 and angle theta1 above the

    asked by Celine
  170. Physics...help please!

    A body of mass m moves in the +x direction, subject only to drag force: Fx= (-1/2)(CD*rhoair*S*vx^2) With drag coefficient CD, air density rho air, cross sectional area S, and velocity component vx. At time t=0 the body is at postion x=0 and has velocity

    asked by Roberto
  171. physics

    0.50 kg cream pie strikes a circus clown in the face at a speed of 5.00 m/s and stops. What is the change in kinetic energy of the pie? in joules

    asked by Dominica
  172. computers

    You wish to calculate the commission on sales. The commission is 6% on all sales that are at least 20% above cost.

    asked by bob
  173. physics

    A 20 g bullet is accelerated in a rifle barrel 95.3 cm long to a speed of 801 m/s. Use the work-energy theorem to find the average force exerted on the bullet while it is being accelerated. Answer in units of N.

    asked by go
  174. physics

    A 20 g bullet is accelerated in a rifle barrel 95.3 cm long to a speed of 801 m/s. Use the work-energy theorem to find the average force exerted on the bullet while it is being accelerated. Answer in units of N.

    asked by go
  175. Chemistry

    a 250.0 ml buffer solution is 0.250 M in acetic acid and. 250M in sodium acetate. what is the ph after addition of. 0050 mol of HCL? what is the ph after the addition of. 0050 mol of NaOH?

    asked by Anonymous
  176. Chemistry

    a 250.0 ml buffer solution is 0.250 M in acetic acid and. 250M in sodium acetate. what is the ph after addition of. 0050 mol of HCL? what is the ph after the addition of. 0050 mol of NaOH?

    asked by Anonymous
  177. English

    Can you please check these sentences on Dr. Jekyll and Mr. Hyde? Thank you. 1) In Chapter ten Dr. Jekyll came to the realization of the primitive duality of man (the human soul?). He admitted that man was not truly one but two. 2) He was sure that if he

    asked by Mike
  178. math !!!! :O

    The skirmish was over. Nine people were killed and forty-three were injured. There were four hundred fifteen people involved in the skirmish. What percent of the total people involved, to the nearest whole percent, were either killed or injured?

    asked by Evelyn
  179. Physics (please help!!!!)

    Derive the rocket equation M(dV/dt) = -u(dM/dt)for a rocket in the (constant) gravitational field near the surface of the Earth.

    asked by Eduardo
  180. math !!!! :O

    Courtney’s mother is a nurse. She came to school to check out posture and out backs. She told us that about 4.6% of children have a problem called scoliosis. There are hundred twenty-five students in our school. If our school is like the average, how

    asked by Lesly
  181. math !!!! :O

    Principal: $1,610 Interest rate: _______________ Time: 4 years Simple interest: $450.80 fill in the blank

    asked by Angie
  182. math !!!! :O

    Principal: $46,299 Interest rate: _______________ Time: 1 year Simple interest: $462.99 Fill in the blank

    asked by Evangelise
  183. math

    x+y=-4 what are the slope and y intercept?

    asked by katlyn
  184. math !!!! :O

    Principal: $7,428 Interest rate: 1.85% Time: 1 year Simple Interest:_________________ Fill int he blank

    asked by Ryan
  185. geometry

    Find the length of the altitude to the base of an isosceles triangle if the length of one leg is 17 and the base is 16.

    asked by Anonymous
  186. PHI103:Informal Logic

    1. All sages provide both wisdom and inspiration. Since Dasha’s speech contained wisdom and greatly inspired her audience, Dasha is a sage. Which one of the following points out the flaw in the argument above? (Points : 1) Just because Dasha is a sage

    asked by Crissy
  187. math

    In a department store, there were a certain number of red T-shirts, blue T-shirts, and yellow T-shirts. 3/7 of the T-shirts were red, 1/3 of them were blue and the rest were yellow. If there were 20 more red T-shirts than blue T-shirts, how many yellow

    asked by Karen
  188. geometry

    the measure of an angle of a parallelogram is 12 degrees less than 3 times the measure of an adjacent angle. explain how to find the measures of all the interior angles of the parallelogram.

    asked by sab
  189. fact and opinons

    Is the sentence-Insects are important in many ways a fact or opinion ? why?

    asked by alexander- very important!!!
  190. MATH

    WHAT IS THE ANSWER FOR 3 SIXES IN SIMLET FORM

    asked by TIA
  191. Writing-Please Help! :(

    What is a word that ryhmes with life, but goes with the words: love and life?

    asked by Catherine
  192. Writing

    Complete the phrase: You give me love, You gave me life. You give me shelter, You gave me __________.

    asked by Annabel
  193. science

    You add 12.5 mL of 4.15 acetic acid to 25.0 mL of 1.00 M NaOH. Calculate the hydronium ion concentration and pH of the resulting solution.

    asked by Bill
  194. English Essay

    Hi, I would like you to check my essay and see if I have maintained "verb tense consistency" Here is my essay: The use of social networking sites is an experience shared by many educators and students. In Livingston Senior High School Handbook, the Media

    asked by vid
  195. Math

    Converting 60 percent into A fraction in simplest form

    asked by Megan
  196. Pre-algebra

    So i am having a hard time with special right triangles and wanted to know how to solve problems such as: (45,45,90) and (30,30,60) problem. I know how to do it but need extra help.

    asked by Alex I.
  197. statistics

    2. Children’s heights are normally distributed with a mean of 100 cm and a standard deviation of 6 cm. What proportion of children’s heights is smaller than 94?

    asked by Marie
  198. statistics

    2.Children’s heights are normally distributed with a mean of 100 cm and a standard deviation of 6 cm. What proportion of children’s heights is smaller than 94?

    asked by Marie
  199. math

    the floor of a room is a rectangle. it has a perimeter of 22m and an area of 24 square meters. what are the length and width of the room?

    asked by maya
  200. year 8 math

    a snail is at the bottom of an empty trough with walls 40cm high. If the snail manages to move 4cm up a wall each day, but slips 3cm each night, how long does it take the snail to reach the top of the trough? it then continues over the wall and makes it's

    asked by genevieve
  201. chemistry

    how do you determine if a measurement is an outlier?

    asked by Kathy
  202. english

    x+30=90

    asked by sara
  203. math

    how to differentiate 500x^2 [(280+x^2)^-1/2] +10x?

    asked by biti
  204. math

    if the average (arithmetic mean) of a and -5 is 10, then a =

    asked by Anonymous
  205. English

    Thank you very much for your help. I forgot to include the following stataments. 1) As he changed into Hyde, he experienced a sense of freedom in his increased wickedness. 2)He was physically smaller and younger because, up to that moment, the evil side of

    asked by Mike
  206. math

    Bart's drama club put on a play.There were 843 people in the audience.Each ticket to the play cost $8.The audience was seated in 3 sections.If each section had the same number of people,how many people were in each section?

    asked by samantha
  207. alcorn

    4 inches reprents. miles

    asked by aminah
  208. geometry

    The height of a loading platform is 4 feet. Determin the length of the ramp if it makes a 32 degree angle with the ground.

    asked by jen
  209. geometry

    The angle of depression from the top of a 320 foot office building to the top of a 200 foot office building is 55degrees. How far apart are the two buildings?

    asked by jennifer
  210. Physical Science

    How far will 490 Joules raise a block weighing 7 N?

    asked by Morgan
  211. Physical Science

    How far will 490 J raise an 8 kg mass?

    asked by Morgan
  212. Geometry

    Find the volume of a sphere whose surface area is 804 u2

    asked by Josh
  213. 6th grade math

    the volume of a rectangle is 576 cubic meters. The lenth is 12 meters and the width is 6 meters. What is the height of the prism?

    asked by bluestarr
  214. math

    Area of a trampoline is 201.1 square feet. The safety padding around the jumping surface is 1 foot wide. What is the area of the jumping surface?

    asked by Mona
  215. math

    there are 8 tiles in a bag students get 1 tile.What are the possible outcomes

    asked by lidia
  216. math

    Find the distance around and the area of each figure. Round to the nearest tenth. quarter circle: 5 inches

    asked by Mona
  217. chemistry

    25.0 g of hydrochloric acid is neutralized with excess sodium hydrozide. How much water is produced?

    asked by branon
  218. chemistry

    25.0 g of hydrochloric acid is neutralized with excess sodium hydrozide. How much water is produced?

    asked by branon
  219. math

    Find the area of each circle and round to the nearest tenth. radius= 3 and two thirds

    asked by Mona
  220. Science

    how long does it take for one water molecule to complete the water cycle?

    asked by JB
  221. math

    the area of a triangle is 90 square meters and the height is 12 meters. What is the base of the triangle?

    asked by Bluestarr
  222. Math

    A trapezoid has to have one pair of parallel lines, right? If a shape isn't a trapezoid because it has no parallel lines, no equal sides, but has four sides, what is it? The question wanted the best descriptive name.

    asked by Catherine
  223. math

    what is the deistance traveled on a fiel trip is it a centimeter or millimeter or kilometer.

    asked by sarah
  224. 6th grade math

    room is 18ft long, 14ft wide, 8ft high. find the cost of carpeting the floor with carpet costing $5./ft2

    asked by laura
  225. material engineering

    thanks. OK, for the design requirements: is the objective: to minimize the mass of cans? are the constraints: thickness of can is specified, and the can should not fail(strong), or what?

    asked by hym
  226. English

    Can you please tell me if the parts included in brackets are grammatically wrong? Thank you. 1) Slaves had to harvest and grow sugar cane (not sugar canes). 2) Slaves couldn’t speak their language, call themselves with their names or practice their

    asked by Mike
  227. math

    You ran 1.5 miles befor you decide you were running in the wrong direction.you truned around and ran back were you started .then you ran 2.75 miles in the other direction how many miles did you ran in all?

    asked by cindy
  228. math

    It takes about735 turns of an average of average 5 th grade byicycle tire to go 1 mile .to the nearest thousand how many times would your tire turn around if you biked besides the runners in a 26-mile marathon?

    asked by cindy
  229. math

    mrs.jones science class had to record the toltal amount of rain that fell the last week of school.it rian 1.66 inches on monday 0.23 on tuesday 0.76 inches on wensday 1.2 inches on thursday ,and on friday the skies were cleared .what wasthe average amount

    asked by cindy
  230. chemisty

    how many grams of magnesium sulfate are required to make 575 ml of a 1.65% (m/v) solution

    asked by jess
  231. Math/Writing-HELP PLEASE

    Explain why a trapezoid a quadrilateral, but why all trapezoids are not always quadrilaterals. If a shape has four sides, no equal angles or sides, what is it? This is an opinion fill in the blank, but I can't think of any words. You give me love, You gave

    asked by Kaylee
  232. math

    what is 23.65 to the nearest dime?

    asked by jennyfer
  233. math

    teresa used a calculator to find 35% of 50. what number did she get?

    asked by Bluestarr
  234. operating system

    How do you change a word in the header. Then close Header/Footer when done?

    asked by jack
  235. math

    mr.Thomas drove for two days.The first day he drove for 6 hours at an average speed of 55miles per hour. The next day he drove for 7 hours at an average speed of 63 miles per hour. How many miles did Mr.thomas drive during the two days?

    asked by Bluestarr
  236. Java/programming

    write a program that determines the number of days in a given semester.

    asked by maria
  237. java/programming

    ask the user to enter his or her birthday in the MM/DD/YYYY format and output the number of days between the birthday and today. This gives the person's age in days.

    asked by maria
  238. chemistry

    how do you predict the products of: (NH4)3PO4+ MgSO4-> HI-> Fe+o2-> Fe+ MgO-> HCl+ NaOH->

    asked by gabriela
  239. Math

    48,24,6,36,12,54 Which of the following describe this set. A. Numbers that are multiples of 3 B. Numbers that are prime. C. Numbers that are divisible by 6 D. Numbers that are factors of 36 I think its a and c

    asked by Taylor
  240. algebra

    using the additin and multiplication principle 6a+10>-1

    asked by Traie
  241. math

    In a pair of similar rectangles, the ratio of the widths Is 3:4. What is the ratio of the lengths?

    asked by cody
  242. College algebra

    suppose you invest 2500 and earn 4.2% annual interest, compounded quarterly. how long will it tak for your investment to double?

    asked by Lex
  243. math

    Carl hired 6 people to work in his shipping department for a week at 12 hours a day. However, after working only 6 hours on the third day, the work was completed. How many hours of wages does Carl owe to the workers?

    asked by jyoti
  244. algebra

    How would one write the equation of a parabola whose directrix is y=-6 and location of the focus is (-3,2)

    asked by Sarah
  245. math

    ahmed works as an electrician. When he installs television cables in new homes,he charges $100 for supplies for each home and $25 for each hour he works. How much did he charge last month if he worked 120 hours installing television cables in 8 new homes?

    asked by Bluestarr
  246. Finance

    B18. (Default risk) You buy a very risky bond that promises a 9.5% coupon and return of the $1,000 principal in 10 years. You pay only $500 for the bond. a. You receive the coupon payments for three years and the bond defaults. After liquidating the firm,

    asked by Anonymous
  247. College Algebra

    solve the following: Log(50x)+log(x-1)=2

    asked by bob
  248. health

    a dinner that includes all six nutrients? what can that be.please help me.

    asked by saira
  249. Calculus

    Use the shell method to set up, but do not evaluate, an integral representing the volume of the solid generated by revolving the region bounded by the graphs of y=x^2 and y=4x-x^2 about the line x=6. I had the shell radius as (6-x) and the shell height as

    asked by Ryan
  250. science

    My son has a science project to do on "Does a plant groww bigger if watered with milk or water?. Please if you can help how to get started

    asked by Rahul
  251. College Algebra

    solve the following equation. 9^(x-1)+4*3^(x-1)=5

    asked by sally
  252. Science

    How would you compare and contrast the three different teaching methodologies: expository, guided inquiry, and free discovery, in a science lesson with respect to a) the amount of learning likely to occur, and b) the amount of prescribed science content

    asked by Anonymous
  253. College Algebra

    solve the following equation. 9^(x-1)+4*3^(x-1)=5

    asked by sally
  254. Please proof read using commas

    I use a computer for producing final drafts but I can't actually write on it. I turn it on listen to it boot up put my fingers on the keyboard and the.....nothing. On the other hand writing on paper makes me feel as if I can conquer the whole world. When I

    asked by Rahul
  255. math

    Find the mean of 11, 18, 13, 14. how do i go about it?

    asked by nate
  256. math

    If tow sides of a triangular flag are content, which of the following words can not be used describe the shape of the flag? a. Obtuse b. Acute c. Scalene d. Equilateral

    asked by Ash
  257. math

    x+5y= -3 3x-2y= 8 sovle using substituion

    asked by alex
  258. Math: Logarithms

    (log(x^6)+2log(y^3))/log(xy)

    asked by bob
  259. Math

    Name a real life object that could be represented by a net . 1. Cone 2. Cylinder 3. Rectangular prism For a cone I think a ice cream cone

    asked by Miles
  260. College Chemistry

    The equilibrium constant Kc for the reaction N2(g) + 3H2(g) ->

    asked by Anonymous
  261. Math

    A 64 inch long board is divided into lengths in the ratio 2:3. What are the two lengths into which the board is divided? Thanks

    asked by Shadow
  262. math

    Write the numbers in order of increasing size. 1/2,3/4,2/3,0.95 Convert to standard notation. 1.91 x 10-4 The ratio of the distances a 7-iron and a 5-iron will drive a golf ball is 5 to 6. If a golfer averages 153 yards with a 7-iron how far should he

    asked by anonymous
  263. chemistry

    A steel tank containing helium is cooled to 15◦C. If you could look into the tank and see the gas molecules, what would you observe?

    asked by Kaitlyn
  264. Writing

    Can you proofread my writing? What grade would you give me? Decisions, Decisions, Decisions Decisions everyone has to make them. Some decisions are hard and important and some are not. The decision I had to make was did I still want to be the statistician

    asked by Madelyn C.
  265. math

    12.(4pts) Solve the problem. Round your answer to the nearest tenth of a percent unless otherwise indicated. Sales of frozen pizza for a club fund-raiser increased from 500 one year to 575 the next year. What was the percent of increase? Solve the problem.

    asked by anonymous
  266. 5th grd math- metric conversion

    30m = 6000, i have converted to cm, in, and ft, no where close to getting 6000? help

    asked by Lydia
  267. English

    In the poem We Wear the Mask by Paul Laurence Dunbar, Dunbar writes, "Why should the world be otherwise,/ In counting all our tears and sighs?," what does he mean exactly and what is his tone?

    asked by Keaton
  268. Spainish

    I need help coganting the verb ir.Please can some give me examples of how it is used in a sentence.

    asked by Lauren
  269. Physics

    An electron is accelerated through 2200 V from rest and then enters a region where there is a uniform 1.30 T magnetic field directed perpendicularly to the electron's velocity.

    asked by Jay
  270. 4th grade math

    Aaron's family is driving 80 miles to the mountains. They have already traveled 30 miles. They are traveling at a speed of 50 miles per hour. How many hours will it take them to complete the trip?

    asked by julie
  271. Math: Rational Exponents

    simplify completely. give your answer without fractional exponents. (8(s^-3)*(t^5))^(3/5)/(2(s^7)*(t^-2))^(3/5))

    asked by barbara
  272. chemistry

    What mass of sodium iodide (NaI) is contained in 135 mL of a 7.0% (m/v) soulution?

    asked by Bill
  273. Spainish

    Would mi amigos be nostros or ustedes.

    asked by Alyssa
  274. College Chemistry

    Indicate whether either an increase or a decrease of presure obtained by changing the volume would increase the amount of product in each of the following reactions. a. CO(g) + 2H2(g) ->

    asked by Anonymous
  275. physic

    A skier traveling at 38.8 m/s encounters a 27.2 degree slope. If you could ignore friction, to the nearest meter, how far up the hill does he go?

    asked by billy
  276. Pre-Algebra

    Frank had 25 meters of string. He cut off 480 centimeters that became tangled then used 98 centimeters to tie ul some tree branches. How many meters of string did Frank have left?

    asked by Ilovemath
  277. math

    Jim bought two shirts that were originally marked at $40 each. Once shirt was discounted 20% and the other was discounted 25%. The sales tax was 4.5%. How much did he spend in all?

    asked by Tanesha
  278. physics -- projectile motion

    why does a projectile of 45 degrees have the greatest range?

    asked by ashley --- HELP PLEASEE!!!
  279. Math

    the ratio of men to women who try to run them over is 18 to 26. how many out of 88 people who try to run them over are men?

    asked by Kristine
  280. chemistry

    a certain solution contains 0.35 mol of HCl in 1200 mL of water. What is the pH of the solution?

    asked by leah
  281. Physics

    Two dogs are pulling on opposite ends of a bone. One dog pulls to the right with a force of 50N while the other pulls to the left with a force of 40N. Are the forces balanced or unbalanced? How do you know? What is the net force on the bone? Would the

    asked by Rosie
  282. geometry

    is not a rectangle. has a perimeter of 14 units. has a area of 8 aquare units.

    asked by pad
  283. Writing

    Can you proofread my writing? What grade would you give me? Decisions, Decisions, Decisions Decisions everyone has to make them. Some decisions are hard and important and some are not. The decision I had to make was did I still want to be the statistician

    asked by Madelyn C.
  284. pre calculus

    what is the vertices of 7x^2+5y^2=35

    asked by akim
  285. math

    if segment "LM" =12cm and "MN" =15cm, what is the length of "YZ"?????

    asked by Ashlee
  286. Easy Math

    Convert 50 miles/hour to feet per second. Please help. (:

    asked by Blaineley
  287. math

    whats 1195 divided by 8 in long division and can all the trucks carry all the dolpins in one trip because there are 4 trucks and can carry 225 kg and all the dolpins weight together is 1195 kg. there are 8 dolpins

    asked by grey owl jr.public school
  288. Math

    Alicia went on a steamboat ride up the Mississippi River. The boat travels 24 miles per hour in still water. How long will it take her to travel 54 miles upstream if the current of the river is 6 miles per hour? Please help me. (:

    asked by Blaineley
  289. Statistics

    A roster contains the names of 12 students from the School of Math, Science and Engineering (MSE) and 8 students from the Dreeben School of Education (DSE). Determine the probabilities of randomly selecting the following if the selection is done without

    asked by James
  290. Calculus

    derivative of y^2=x^2/(xy-4) at 4,2

    asked by Shannon
  291. pre calculus

    what is the vertices of (x+1)^2/4+(y+2)^2/25=1 ?

    asked by akim
  292. math please help

    whats eight divided by 1195 in long divsion please help.

    asked by grey owl jr.public school
  293. Science

    The skydiver has fries and a milk shake. Whay is he so nervous? Because he is???????? 4 words total.. The 1st and 2nd are 2 letters. The 3rd and 4th are 3 letters. Using these letters to solve UTAHNIIEUR

    asked by Randon Sharp
  294. business

    What problems in the business world requre you to multiply whole numbers

    asked by Twila
  295. Calculus

    Hi~ Thank you for your help! I was trying to work on a problem about Taylor series, but i don't think im approaching the problem the right way. I have to find the fifth order Taylor polynomial and Taylor series for the function f(x) at x = 0. f(x) =

    asked by KIKSY
  296. pre calculus

    9x^2+25y^2-36x+250y+436=0 what is the center and the vertices of this ellipse?

    asked by akim
  297. math

    A child pulls a wagon with a force of 33 N by a handle making an angle of 11 degrees with the horizontal. If the wagon has a mass of 5.5 kg, to the nearest hundredth of a m/s2 what is the acceleration of the wagon?

    asked by billy
  298. math probability

    Formulate but do not solve the problem. A theater has a seating capacity of 840 and charges $4 for children (x), $6 for students (y), and $8 for adults (z). At a certain screening with full attendance, there were half as many adults as children and

    asked by Anonymous
  299. math

    Write the system of equations corresponding to the augmented matrix using the variables x, y, and z. 0 10 6 –5 3 8 – 9 7 – 5 0 – 3 –4

    asked by Anonymous
  300. math

    Formulate but do not solve the problem. Michael Perez has a total of $1802 on deposit with two savings institutions. One (x) pays interest at a rate of 6% per year, whereas the other (y) pays interest at a rate of 8% per year. If Michael earned a total of

    asked by Sam
  301. English

    What is school life like for other 15-year-old students around the world? (What is the part of speech of 'around the world'? Is it an adjective phrase or and adverbial phrase?)

    asked by rfvv
  302. math

    497=u+78;u 79=d+55;d i need help on theses

    asked by michael
  303. The Media

    How does emo music influence the media? I'm doing a project on howdifferent music genres effect the media. Please help. (: ~Blaineley Moriarty

    asked by Blaineley
  304. Physics

    Calculate the net charge on a substance con- sisting of a combination of 1.9 × 10^13 protons and 3.9 × 10^13 electrons. Answer in units of C.

    asked by Maria
  305. Physics

    A negatively charged balloon has 3.1 μC of charge. How many excess electrons are on this bal- loon? Answer in units of electrons.

    asked by Maria
  306. Physics

    A negatively charged balloon has 3.1 μC of charge. How many excess electrons are on this bal- loon? Answer in units of electrons.

    asked by Maria
  307. Physics

    A negatively charged balloon has 3.1 μC of charge. How many excess electrons are on this bal- loon? Answer in units of electrons.

    asked by Maria
  308. Physics

    A negatively charged balloon has 3.1 μC of charge. How many excess electrons are on this bal- loon? Answer in units of electrons.

    asked by Maria
  309. Physics

    8. A 0.5-kg ball has been thrown vertically upward. If we ignore the air resistance, what are the direction and size of each force acting on the ball while it is traveling upward?

    asked by Nicola
  310. Physics

    A negatively charged balloon has 3.1 μC of charge. How many excess electrons are on this bal- loon? Answer in units of electrons.

    asked by Maria
  311. Physics

    8. A 0.5-kg ball has been thrown vertically upward. If we ignore the air resistance, what are the direction and size of each force acting on the ball while it is traveling upward?

    asked by Nicola
  312. Physics

    Calculate the net charge on a substance con- sisting of a combination of 1.9 × 10^13 protons and 3.9 × 10^13 electrons. Answer in units of C.

    asked by Maria
  313. Physics

    Calculate the net charge on a substance con- sisting of a combination of 1.9 × 10^13 protons and 3.9 × 10^13 electrons. Answer in units of C.

    asked by Maria
  314. Socials-Ms. Sue

    Ms. Sue we learned about the Victorian Era, and the three main things we learned about were the fashion and decor/ the Science and technology/ and the Leisure--Travel. I have to write an essay which covers all these three things, and Im posting it on here,

    asked by Sara
  315. Geometry-8th grade

    In circle O, chords AB and CD are congruent. Ab measures 2x + y, while CD measures 16.5 Two other chords are congruent. GH equals x +2y and KL equals 13.5 I set them up like this 2x + y = 16.5 x+2y = 13.5 then I substituted-rewrote it x = 13.5-2y Then

    asked by Anna
  316. History

    In the 1912 presidental campaign what issues did William Howard Taft espouse on? Thanks

    asked by David
  317. Geometry-8th grade

    In circle O, chords AB and CD are congruent. Ab measures 2x + y, while CD measures 16.5 Two other chords are congruent. GH equals x +2y and KL equals 13.5 I set them up like this 2x + y = 16.5 x+2y = 13.5 then I substituted-rewrote it x = 13.5-2y Then

    asked by Anna
  318. Physics

    A negatively charged balloon has 3.1 μC of charge. How many excess electrons are on this bal- loon? Answer in units of electrons.

    asked by Maria
  319. Math

    Write an equation for the table: x: 8,16,24,32 y: 1,2,3,4

    asked by Jordan
  320. Physics

    A negatively charged balloon has 3.1 μC of charge. How many excess electrons are on this bal- loon? Answer in units of electrons.

    asked by Maria
  321. Math

    Write an equation for the table: x: 8,16,24,32 y: 1,2,3,4

    asked by Jordan
  322. Math

    Write an equation for the table: x: 8,16,24,32 y: 1,2,3,4

    asked by Jordan
  323. word problem

    Bob’s Barber Shop estimates their gross revenue for the second quarter to be given by the polynomial 8x3 – x2 – 2x + 4. The shop estimates their costs for that quarter to be given by x2 – 4x + 7. For the second quarter, find and simplify a

    asked by Jackster
  324. Math

    Write an equation for the table: x: 8,16,24,32 y: 1,2,3,4

    asked by Jordan
  325. History

    Can someone please help me with these questions? Thanks What issues did each of the four 1912 presidential candidate espouse? ... Woodrow Wilson, William Howard Taft, Theodore Roosevelt, Eugene Debs

    asked by David
  326. Chemistry

    ph balance of NaOH + H2O

    asked by Kel
  327. Network Security Management

    Where can I find online free homework help for Network Engineer.

    asked by Sundayy
  328. Network Security Management

    Where can I find online free homework help for Network Engineer.

    asked by Sundayy
  329. science

    balance hcl(aq) + agno3(aq) yields hno3(aq) +AgCl (aq)

    asked by emma
  330. science

    balance hcl(aq) + agno3(aq) yields hno3(aq) +AgCl (aq)

    asked by emma
  331. Math

    Write an equation for the table: x: 8,16,24,32 y: 1,2,3,4

    asked by Jordan
  332. science

    balance hcl(aq) + agno3(aq) yields hno3(aq) +AgCl (aq)

    asked by Anonymous
  333. science

    balance hcl(aq) + agno3(aq) yields hno3(aq) +AgCl (aq)

    asked by emma
  334. science

    balance hcl(aq) + agno3(aq) yields hno3(aq) +AgCl (aq)

    asked by emma
  335. math

    how do 1 write 4/5 and 238/25 as a decimal. thanks

    asked by Americal
  336. FRENCH

    SraJMcGin if you're not busy right now, could I post a few of my french questions?

    asked by Sidney
  337. Math

    How do I write 9/4 and 23 8/25 as a decimal. thanks

    asked by Americal
  338. Statistics

    Here's another tricky probability question. A soccer player scores an average of 3 goals per game: a) What is the probability that he or she will score 4 goals in a given game?

    asked by James
  339. math

    plot the given polar coordinate and find three additional polar representations of the point. (3, (5*pi) /6))

    asked by gowthami
  340. finance

    1. A bond has a $1,000 par value (face value) and a contract or coupon interior rate of 8%. A new issue would have a flotation cost of 5% of the market value. The bonds mature in 10 years. The firm’s average tax rate is 28% and its marginal tax rate is

    asked by jamie
  341. physics

    Physics - Unit V Challenge Problem No matter how bad your day is going, here's proof that things could be A LOT worse. This is a bricklayer's accident report that was printed in the newsletter of the English equivalent of the Workers' Compensation Board.

    asked by pbhakta
  342. cja304

    What role does listening play in oral communication within the criminal justice system? How do the various types of listening play a role in effective communication? Compare and contrast the most important listening types and why they are important in the

    asked by sam
  343. Physics

    Drew drops a cherry pit out the car window 1.0 m above the ground while traveling down the road at 18 m/s. (a) How far, horizontally, from the initial dropping point will the pit hit the ground? (b) Draw or describe a picture of the situation. (c) If the

    asked by Anonymous
  344. Science

    How do u make this in a lewis dot structure? C2H3Cl3

    asked by Joyce
  345. physics

    Suppose that you and I are having a singing contest, and you produce a sound intensity (measured in W/ m2) about 32 times greater than mine. How many dB louder than me are you singing ? His is 30dB. For 79 times greater the answer is 19dB For 63 times

    asked by Student in Need
  346. Physics

    A single conservative force F(x) acts on a 1.6 kg particle that moves along an x axis. The potential energy U(x) associated with F(x) is given by U(x) = -2.9xe-x/3 where x is in meters. At x = 3.4 m the particle has a kinetic energy of 7.2 J. (a) What is

    asked by Aaron
  347. Algebra 2

    What is probability of at least 3 heads appearing in 4 tosses of a coin

    asked by Jesse
  348. physics kinematics

    Physics - Unit V Challenge Problem No matter how bad your day is going, here's proof that things could be A LOT worse. This is a bricklayer's accident report that was printed in the newsletter of the English equivalent of the Workers' Compensation Board.

    asked by Diyan
  349. physics kinematics

    Physics - Unit V Challenge Problem No matter how bad your day is going, here's proof that things could be A LOT worse. This is a bricklayer's accident report that was printed in the newsletter of the English equivalent of the Workers' Compensation Board.

    asked by Diyan
  350. physics kinematics

    Physics - Unit V Challenge Problem No matter how bad your day is going, here's proof that things could be A LOT worse. This is a bricklayer's accident report that was printed in the newsletter of the English equivalent of the Workers' Compensation Board.

    asked by Diyan
  351. physics

    Physics - Unit V Challenge Problem No matter how bad your day is going, here's proof that things could be A LOT worse. This is a bricklayer's accident report that was printed in the newsletter of the English equivalent of the Workers' Compensation Board.

    asked by Diyan
  352. physics

    Physics - Unit V Challenge Problem No matter how bad your day is going, here's proof that things could be A LOT worse. This is a bricklayer's accident report that was printed in the newsletter of the English equivalent of the Workers' Compensation Board.

    asked by Diyan
  353. Statistics

    A family goes on vacation an average of three times every 8 years. a. What is the probability that they will have 4 vacations in an 8-year period? The answer the teacher gave us was .168 What formula would you use? Poisson, binomials, etc?

    asked by James
  354. Chemistry

    Calculate the weight of potassium chlorate required to prepare 380 mL of wet oxygen collected over water at 20 degrees C and 750 mm of Hg.

    asked by Morgan
  355. Physics

    While undergoing fission, a uranium-235 nucleus with its 92 protons splits into two smaller nuclei each of which contains 46 protons and has a radius of 5.90 x 10^-15m. What is the magnitude of the repulsive force between the two nuclei just after the

    asked by Pauline
  356. Physics

    Three point charges lie along the x-axis: q1 at x=15m has a charge of 2.2 x 10^-9C, q2 at x=2.0m has a charge of 5.4 x 10^-9C, q3 at x=0 has a charge of 3.5 x 10^-9C. What is the net force on q3?

    asked by Pauline
  357. Physics

    Two point charges of 2.0 nC and 6.0 nC are both located 1.0 m away from a third charge of 3.0 nC ("n" is the metric prefix "nano" and means 10^-9) as shown. What is the electric force (magnitude and direction) on the 3.0 nC charge? 3.0 nC O---------O 6.0

    asked by Pauline