Questions Asked on
November 1, 2009

  1. MATH

    A pollster wants to minimize the effect the order of the questions has on a person's response to a survey. How many different surveys are required to cover all possible arrangements if there are 5 questions on the survey?

    asked by MARIE
  2. Chemistry

    there are ___ molecules of methane (CH4) in 0.123 moles of methane? a. 16 b. 0.773 c. 2.46 x 10 -2 d. 7.40 x 10 22 e. 6.02 x 10 23

    asked by Pandorah
  3. PreCalc (Just Can't Comprehend)

    Find the dimensions of the rectangle with minimum perimeter if its area is 400 square meters. Find the least perimeter. I know that a rectangle has two sides that are equal and two other sides that are equal but I am unsure about what type of equation to

    asked by MUFFY
  4. chem

    a 22.5g sample of (NH4)2CO3 (ammonium carbonate) contains _____ moles of ammonium ions?

    asked by ashlee
  5. college

    What will the following pseudocode program display? Module main( ) Declare Integer x = 1 Declare Real y = 3.4 Display x, " ", y Call changeUs(x, y) Display x, " ", y End Module Module changeUs(Integer a, Real b) { Set a = 0 Set b = 0 Display a, " ", b }

    asked by timi
  6. Chemistry

    Which of the following is most likely to LOSE electrons when forming an ion? a. F b. P c. S d. Rh e. Se

    asked by Jenny
  7. math

    Angles x and y are located in the first quadrant such that sinx=3/5 and cosy=5/13. a) Determine an exact value for cosx b) Determine an exact value for siny

    asked by Anonymous
  8. To Writeacher

    "Poetry is the spontaneous overflow of powerful feelings; it takes its origin from emotion recollected in tranquility: the emotion is contemplated till, by a species of re-action, the tranquility disappears, and an emotion, kindred to that which was before

    asked by Naoto
  9. Math

    Write an equation in slope-intercept form of the line satisfying the given condition. Perpendiculst to y= 3/4x - 2 and passes through (-12,7)

    asked by Keifer
  10. Chemistry

    a 22.5g sample of (NH4)2CO3 (ammonium carbonate) contains_____ moles of ammonium ions. A. o.468 b. 0.288 C. 0.234 d. 2.14 e. 3.47

    asked by Peter
  11. physics

    A Ferris wheel with a radius of 9.61 m rotates at a constant rate, completing one revolution every 34.1 s. Calculate the magnitude of a passenger's acceleraton when at the top of the wheel.

    asked by Emily
  12. physicss

    A 0.190 kg piece of copper is heated and fashioned into a bracelet. The amount of energy transferred as heat to the copper is 6.62 x 10^4 J. If the specific heat of copper is 387 J/kg x °C, what is the change in temp of the copper?

    asked by arriell
  13. Math

    The price for 2 tickets with online service charges, large popcorn and 2 medium soft drinks at a sample of 6 theater chains: $36.15, $31.00, $35.05, $40.25, $33.75, $43.00 a) Construct a 95% confidence interval estimate for the population mean the price

    asked by Anonymous
  14. Ap Biology

    During aerobic respiration, glucose is broken down to form several end products. Which end products contain the carbon atoms from glucose? The hydrogen atoms from glucose? The oxygen atoms from glucose? The energy stored in the glucose molecules?

    asked by Marlen
  15. Chemistry

    Sulfur and fluorine react in a combination reaction to produce sulfur hexafluoride: S (s) + 3F2 (g) SF6 (g) What is the minimun number of moles of fluorine gas needed to completely react with 16 g sulfur? a. 1 b. 1.5 c. 2 d. 3 e. 6

    asked by Courtne
  16. Chemistry

    the formaula for the compound formed between aluminum ions and phosphate ions is??? a. Al3(PO4)3 b. AlPO4 c. Al(PO4)3 d. Al2(PO4)3 e. AlP

    asked by lisa
  17. Chemistry

    How many molecules of carbon dioxide (CO2) are there in 88g of carbon dioxide? a. 1 b. 2 c. 88 d. 1.2 x 10 24 e. not enough info

    asked by Dexter
  18. Calculus

    An airplane flies at an altitude of 5 miles toward a point directly over an observer. The speed of the plane is 600 miles per hour. Find the rate at which the angle of elevation tetra is changing when the angle is 30 degrees

    asked by Anonymous
  19. Health

    Are there any medications to treat steroid effects? [Exact pill/medicine names, please.]

    asked by Maria
  20. business

    I have to write a paper on a detail dealing with a problem in a medical supply office. 10 years ago Liz Jakowski promote me to office manager. I manage two employees: jack snyder and ruth disselkoen. My office provide office support for members of the

    asked by help
  21. Cash flow statement

    In a statement of cash flows, the cash flows from investing activities section should report a.the issuance of common stock in exchange for a factory building. b.stock dividends received. c.a major repair to machinery charged to accumulated depreciation.

    asked by Judy
  22. Biology

    Please answere these questions: identify each statement as observation, hypothesis, or prediction and then tell if it is inductive or deductive Male Red-winged Blackbirds display red wing patches to signal superiority to other males A male Red-winged

    asked by B
  23. Investing

    In a statement of cash flows, the cash flows from investing activities section should report a.the issuance of common stock in exchange for a factory building. b.stock dividends received. c.a major repair to machinery charged to accumulated depreciation.

    asked by Judy
  24. physics

    When it is 10:00, the hour hand on an analog clock is 300 degrees ahead of the minute hand. How many minutes elapse (to three significant digits) before the minute hand next points in the same direction as the hour hand?

    asked by Emily
  25. Geometry

    I need help on a geometry proof!!!! If Line AB is parallel to Line DC and Line BC is parallel to line AD, prove that angle B is congruent to angle D. The picture is basically a square or parallelogram with line DC on the Top and Line AB on the bottom, and

    asked by Emily
  26. physics

    a girl pulls a 12.0 kg wagon along by exerting a force of 15.0 N on the wagons handle, which makes an angle of 20.0 degrees with the horizontal. Friction provides a force of 11.0 N in the opposite direction. How long does it take for the wagon, which is

    asked by arriell
  27. Calculus

    For any constant c, define the function f_c(x)= x^3+2x^2+cx. (a) Graph y = f_c(x) for these values of the parameter c: c = -1, 0, 1, 2, 3, 4. What are the similarities and differences among the graphs, and how do the graphs change as the parameter

    asked by Sean
  28. Math

    How would I factor this? (x-3)^3+ (3x-2)^3 Can someone explain this to me step by step? thanks

    asked by May
  29. Math - Slopes

    A carpenter is building a stairway. The depth of each stair is 10 inches. The height of each riser is 8 inches. WHat is the steepness (slope) of the stairway? Please show work.

    asked by Lila
  30. physics

    A new event has been proposed for the Winter Olympics. An athlete will sprint 150.0 m, starting from rest, then leap onto a 20.8 kg bobsled. The person and bobsled will then slide down a 46.0 m long ice-recovered ramp, sloped at á=21.0°, and into a

    asked by Anonymous
  31. AP English

    Would you consider the sermon "Sinners in the Hands of an Angry God" by Jonathan Edwards to be a homily?

    asked by Emily
  32. physics

    a projectile launched horizontally hits the ground in .6 seconds. if it had been launched with a much lower speed in the same direction, it would have hit the ground in

    asked by stephanie
  33. chemistry

    what mass of water is needed to completely react with 2.35g of Ca

    asked by nathalia
  34. 9th grade

    A new high school has just been completed. There are 1,000 lockers in the long hall of the school and they have been numbered from 1 to 1,000. During lunch, the 1,000 students decide to try an experiment. - The first student, student 1, runs down the row

    asked by arianna
  35. Physics

    a projectile is launched with an initial velocity of 60 m/s at an angle of 30 degrees above the horizontal. how far does it travel?

    asked by Anonymous
  36. Advance Biology

    I need help writting exactly 25 words to describe the relationship between CFCs and the Earth's protective ozone layer.

    asked by Jennifer
  37. Math

    How do I factor 3x2+4x=1 and #x2-2x-8

    asked by Samantha
  38. Math

    a bag contains 100 rocks and if 35 rocks removed what fraction of the rocks are left

    asked by Connor
  39. Economics

    Please check and correct my answers. Thank you. Jack Benny can get blood from a stone. If he has x stones, the number of pints of blood he can extract from them is f(x) = 2x^(1/3). Stones cost Jack w dollars each. Jack can sell each pint of blood for p

    asked by Anonymous
  40. Chemistry

    How do I contain Carbon dioxide when I combine sulfuric acid, sodium carbonate and calcium chloride?

    asked by Audra
  41. algebra

    find the indicated out puts for f (x)=5x^-2x f(0)= f(-1)= f(2)=

    asked by me
  42. Physics

    Astronauts who spend long periods in outer space could be adversely affected by weightlessness. One way to simulate gravity is to shape the spaceship like a cylindrical shell that rotates, with the astronauts walking on the inside surface. Explain how this

    asked by Sasha
  43. Chemistry

    Some drain cleaners contain a mixture of sodium hydroxide and aluminum which reacts with water as follows: 2Al(s)+2 NaOH(aq)+6H2O(l)->2Na[Al(OH)4](aq)+3H2(g) What mass of hydrogen gas can be produced when 5g Al reacts with sufficient NaOH and H2O)

    asked by Christina
  44. Chemistry

    Chlorine gas may be easily prepared in the lab according to the reaction: 2KMnO4(s)+ 16HCl(aq)-> 2 MnCl2(aq)+5Cl2(g)+ 8H2O(l)+ 2KCl(aq) What mass of HCl is needed to prepare 1 mole of Cl2 gas?

    asked by Christina
  45. Chemistry

    Once it is balanced, in the following chemical reaction NaHCO3(s) Na2O(g) + CO2(g) + H2O(l), what is the coefficient for Na2O (s)? a. 1 b. 2 c. 3 d. 4

    asked by Pennelope
  46. Calculus

    a spherical balloon is inflated with gas at the rate of 500 cubic centimeters per minute. how fast is the radius of the balloon increasing at the instant the radius is 30 centimeters?

    asked by Anonymous
  47. Physics

    Is it possible for the frictional force to increase the mechanical energy of a system? If so, give 2 examples with brief explanations. If not, why not?

    asked by Sandhu
  48. advanced functions

    Angles x and y are located in the first quadrant such that sinx=3/5 and cosy=5/13. a) Determine an exact value for cosx. b) Determine an exact value for siny.

    asked by Anonymous
  49. help

    An investment of $10,000 in the Emerging Country Debt Fund in 2001 was worth $24,780 in 2006 find the 5-year average annual return.

    asked by Anonymous
  50. physics

    What linear speed must a 0.0495-kg hula hoop have if its total kinetic energy is to be 0.113 J? Assume the hoop rolls on the ground without slipping.

    asked by Emily
  51. algebra

    1 - 6 (6-x)=27+2x

    asked by Britny
  52. physics

    A metal can containing condensed mushroom soup has a mass of 269 g, a height of 14.7 cm, and a diameter of 6.79 cm. It is placed at rest on its side at the top of a 3.34 m long incline that is at an angle of 22.4 degrees to the horizontal and is then

    asked by Emily
  53. history

    how did canada become a peacekeeping nation? i wrote about lester b pearson is there another point?

    asked by gina
  54. Maths

    differentiate from first principles y=1/x^2 i get to this then i get stuck f(x+h)-f(x) = 1/(x+h)^2 - 1/x^2 = x^2 - x^2 -2xh -h^2 above divided by(x^2+2xh+h^2)(x^2) = -2xh -h^2/x^4+2x^3h+h^2x^2 then i know i need to divide by h but i cant seem to get to

    asked by Amelia
  55. Math

    Perpendicular to y=3/4x-2 and passes through (-12,7)

    asked by Lila
  56. electrical

    when ever a conductor move thought a magnetic field a voltage is in cluded what factors deter mine the amount of voltage that is generated

    asked by john
  57. electrical

    when ever a conductor move thought a magnetic field a voltage is in cluded what factors deter mine the amount of voltage that is generated

    asked by john
  58. Physics

    1.A net force that is linearly increasing in time is applied to an object. What is time dependence of the object's kinetic energy? 2.A tire is rolling along a road, without slipping, with a center of mass velocity of v. A piece of tape is attached to the

    asked by Sandhu
  59. Chemistry

    What value of a measurement must be known if the accuracy of an experimental measurement is to be determined?

    asked by Anonymous
  60. English

    I have a Englaih project on "Stop Starvation." I need ssubtopic ideas on the topic. For example, "What is Starvation?"

    asked by Sarah
  61. algebra

    I have 3 questions in 1. State whether the equations 3x^2=5, y=10^3X, and y=2x=23-14x represent a linear, quadratic or exponential function and why? I am confused on this.

    asked by Brandi
  62. Math

    Consider the box-and-whisker graphs shown. They suggest that a U.S. Department of Agriculture study shows that poultry dogs have fewer calories per dogthan either beef dogs or meat dogs. Yet, one dietitian claims that some hot dogs made of poultry have

    asked by Anonymous
  63. Algebra

    What is the best method for Solving equations with variables on both sides? This is the problem: 1(6x-x)=162+12x

    asked by Britny
  64. Math

    Write an equation in slope-intercept form of the line satisfying the given condition. Perpendiculst to y= 3/4x - 2 and passes through (-12,7)

    asked by Keifer
  65. algebra

    is (8,9) the solution of 2x+4y=6

    asked by a
  66. CRT 205

    ON Abortion 1 Identify the principal issue presented by the source. 2 Identify any examples of bias presented by the author. If none exist, explain how you determined this. 3 Identify any areas that are vague or ambiguous. If none exist, explain how you

    asked by Anonymous
  67. algebra

    i have to find the slope and the y intercept i don't no how to do slopes f (x)=-5x-2 the slope is the y intercept is(0, )

    asked by help
  68. calculus

    what is the derivative of y = (1/2)xln(x)

    asked by Reen
  69. physics

    1.A tall pole and a short pole (both having the same diameter and mass density) are both standing straight up. Both are allowed to tip and fall, starting from rest, at the same time. Which reaches the ground first? 2.When a non-vertical projectile strikes

    asked by Sandhu
  70. Writing

    I am trying to find out what are parameters of persuasive writing. I tried to goggle it and all I got was links to essays that people wrote. I do not want essays, I want parameters. Please help point me in the write direction.

    asked by Lost
  71. science

    a change in size, shape or form is what kind of change?

    asked by Jake
  72. algebra

    y-9>-16 the solutions is y> i don't get this?

    asked by t
  73. Math

    Describe what the graph of interval [-4,10] looks like can someone help me

    asked by Anna
  74. science

    why is high pressure so important in plant oil extraction

    asked by shan
  75. algebra

    5/z+6 + 5/3z

    asked by john
  76. math- Algebra 2

    An auditorium has 49 rows of seats. The first row contains 40 seats. As you move to the rear of the auditorium, each row has 3 more seats than the previous row. * I am pretty sure it involves both arithmetic series and explicit formulas but im not sure

    asked by Anonymous
  77. COM 150

    characteristics of expository essays

    asked by Anonymous
  78. Algebra

    The function 5x^2+2x-1's domain is all real numbers, according to the answer key. However, I don't know how to factor this to prove it. Could you show me? The function the sq. root of y-10 has a domain of all numbers so that y is greater than or equal to

    asked by Anneliese
  79. implicit differentiation

    what is the derivative of ln(y) = x

    asked by Reen
  80. physics

    A 11.6 kg weather rocket generates a thrust of 215.0 N. The rocket, pointing upward, is clamped to the top of a vertical spring. The bottom of the spring, whose spring constant is 399.0 N/m, is anchored to the ground. Initially, before the engine is

    asked by Anonymous
  81. Physics

    A ship is being pushed by the sea currents at 25 km/hr 28 degrees west of south. find the velocity of the ship to the west and to the south

    asked by Kaps
  82. Math

    Darren used pieces of molding 7 1/2 feet long, 2 3/4 feet long, and 7 1/2 feet long to frame a doorway. If he started with 20 feet of molding, how much was left over?

    asked by Anonymous
  83. 7th grade mathSuppose

    Suppose rectangles X and Y are similar. The dimensions of rectangle X are 5 centimeters by 7 centimeters. The area of rectangle Y is 140 square centimeters. What are the dimensions of rectangle Y?

    asked by DIANE
  84. Calculus

    For any constant c, define the function f_c(x)= x^3+2x^2+cx. (a) Graph y = f_c(x) for these values of the parameter c: c = -1, 0, 1, 2, 3, 4. What are the similarities and differences among the graphs, and how do the graphs change as the parameter

    asked by Sean
  85. maths

    The Hypotenuse of a right- triangle is 13 cm and the angle of the line opposite to the hypotenuse is 35 find the other two sides.

    asked by Kaps
  86. Math

    What is the percentage of difference of 195 and 85?

    asked by Anonymous
  87. math

    question: find the points at which the graph of x^2 -4x + y62 -6y =12 has a vertical or horizontal tangent line. I found the deriviative to be (x-2)/(3-y) Then, the x value for a horizontal would be x=2 and the y value for a vertical would be y=3. But how

    asked by alison
  88. Sentence Fragments

    how should this sentence be. " Richard III supposedly had the young princes murdered. Never found out what really happened to them."

    asked by Anonymous
  89. Math

    Gasoline is about $2 per gallon. You use about 1 1/2 gallons each day driving to and from work. How much should you budget for gasoline over the next month (about 20 workdays)?

    asked by Anonymous
  90. 6th grade(science

    how is ignous rock formed

    asked by aly
  91. Math

    Find the decimal equivalent of the mixed number. 6 3/5

    asked by Anonymous
  92. PreCalc (still confused)

    Hello and Happy Halloween! Trying to get this problem and could use some help. Find the dimensions of the rectangle with minimum perimeter if its area is 400 square meters. Find the least perimeter. I know that a rectangle has two sides that are equal and

    asked by Muffy
  93. social studies

    Why is mexico called a developing country

    asked by Robert
  94. science

    bounce gruond based microwaves off of rain and snow.used to track the direction and speed of storms?

    asked by josh
  95. Socials-Ms. Sue

    Ms. Sue, thanks to you, I have got to know a lot about Voltaire. Seriously If I have to pick a philosopher that I would agree with, then it would be Voltaire as well. In my book there was very little info about him, so that's why I didn't really get to

    asked by Sara
  96. electrical

    in a simple de ciruit the voltage a cross a componet and were measured what equation can be used to determine the resistance of the componnet

    asked by john
  97. PHYsics

    the temp of air in a foundry increases when molten metals cool and solidify. Suppose a 45 x 10^6 J of energy is added to the surrounding air by the solidifying metal. The air's temp increases by 55 °C, and the air has a specific heat capacity of 1.0 x

    asked by arriell
  98. Math

    Determine the slope of the line that passes through each pair of points. Graph the line with x intercept -3 and y intercept -2. Use a coordinate plane.

    asked by Lila
  99. algebra

    heres a bad one i cant get trains A and B are travling in the same direction on a parrallel track train A is travling at 100 mph and train B is travling 104 mph train A passes a station at 5:10 p.m. if train B passes the same station at 5:40 p.m. at what

    asked by help
  100. electrical

    in a simple de ciruit the voltage a cross a componet and were measured what equation can be used to determine the resistance of the componnet

    asked by john
  101. Math

    Doug had scores of 80, 85, 75, and 80 on his first four exams in a course. a. Find the mean, median, and mode for these exam scores. b. Which “average” would Doug want the teacher to use in determining his grade? c. What score would Doug have to get on

    asked by Anonymous
  102. 8th grade History/English

    I need to name three influential pilots in Life on the Mississippi by Mark Twain. I already have two: Mr. Brown Mr. Bixby I need one more. Anyone know one?? Thanks!

    asked by Owen Leigh
  103. electrical

    the ability of measure very small auantites is called it

    asked by john
  104. algebra

    im supposed to collect like terms 17p+5q-6p-9q=

    asked by me
  105. Math

    To convert from kilometers (km) to meters (m), multiply by 1000. How many meters are there in 6.2 km?

    asked by Anonymous
  106. Chemistry

    Can someone please check this for me? C4H8+5O2-->3CO2+4H2O+C Butane is a gas and .01 g of it is burned. Is .00218 g of carbon the result? Thanks

    asked by Maryanne
  107. Chemistry

    a sample of C3H8O that contains 200 molecules contain how many atoms?

    asked by ashlee
  108. Math

    Find the circumference of a circle with a radius of 5.5 in. Use 3.14 for and round your answer to one decimal place.

    asked by Anonymous
  109. Math

    The circular surface of a table has a diameter of 3 ft. What will cost to have the top refinished if the company charges $5 per square foot for the refinishing? Use 3.14 for and round your answer to the nearest cent.

    asked by Anonymous
  110. algebra

    math word problem amy paid $55.73 for a pair of running shoes durning a 40% off sale what was the regular price?

    asked by me
  111. Math

    A block of cheese weighing 2.6 pounds (lb) sold for $15.55. Find the cost per pound to the nearest cent.

    asked by Anonymous
  112. Healthy Decision Making (URGENT)

    List the possible consequences to self, others and society at large if individuals fail to act responsibly while participating in the following activities. Mountain Climbing Consequences to self: May have injuries such as broken body parts Consequences to

    asked by John
  113. Pre CAlc (calendar ?)

    how do you answer :a bug lives on the corner of a cube and is allowed to travel only on the edges of the cube. in how many ways can the bug visit each of the other seven corners once and only once returning to its home corner only at the end of the trip?

    asked by Ryan
  114. Media Law

    What are the reasonable limits in which the media should be allowed to cover governmental meetings in the media role of informing the electorate of the activities of government?

    asked by Angie
  115. philosophy

    1#Do the same pshcological illness occur in all cultures?

    asked by kelvin andrew
  116. Math

    calculate the range, variance, standard deviation, and interquartile range for the data set given {72, 80, 80, 82, 88, 90, 96}

    asked by Anonymous
  117. philosophy

    2#What are the effects of physical abuse on young children? 3#What are the causes of bullying?4#Why some people not want to take drugs?

    asked by kelvin andrew
  118. algebra

    im supposed to solve by the elimination method 5r-25=33 2r+5s=48

    asked by me
  119. electrical

    list two characters of this tpye of motor

    asked by john
  120. Misc

    Is it more expensive to live in the country or city? ...for example, here in Georgia? Thanks -MC

    asked by mysterychicken
  121. Math

    The circular surface of a table has a diameter of 3 ft. What will cost to have the top refinished if the company charges $5 per square foot for the refinishing? Use 3.14 for and round your answer to the nearest cent.

    asked by Anonymous
  122. Math

    Would (5x^2)^2 be 25x^4 or 5x^2? Thanks!

    asked by Matty
  123. philosophy

    Eastern and Western Philosophers Comparison Paper Write a 700- to-1,050-word persuasive paper discussing how one Eastern philosopher and one Western philosopher make the most compelling cases for his or her ideas. I keep reading and reading but I am lost,

    asked by Anna
  124. Math

    A block of cheese weighing 2.6 pounds (lb) sold for $15.55. Find the cost per pound to the nearest cent.

    asked by Anonymous
  125. electrical

    List two characters of a universal motor

    asked by john
  126. Math

    Marc had the following expenses on a business trip: gas: $53.83; food, $135; lodging, $99.85; and parking and tolls, $8.50. What were his total expenses during the trip?

    asked by Anonymous
  127. math 115

    Determine the maximum and minimum values of the following set of numbers. 3, -36/7, -1, -2/3,5/4,-5,26/9 I think the correct answer is 26/9 and -36/7

    asked by Jen
  128. grammar

    This is about subject-verb agreement. How should I re-write this sentence: "Either the interviewer or the committee members usually begins by asking simple questions about your background." "Each of the instructors are attending the conference next

    asked by Anonymous
  129. Math

    Write the decimal equivalent, using the bar notation. 13/18 b) Find the decimal equivalent of the mixed number. 6 3/5

    asked by Anonymous
  130. To Ms. Sue

    Ms. Sue I have added more to my previous post, can you please take a moment to look at it, thanks.

    asked by Sara
  131. Pre CAlc (calendar ?)

    how do you answer :a bug lives on the corner of a cube and is allowed to travel only on the edges of the cube. in how many ways can the bug visit each of the other seven corners once and only once returning to its home corner only at the end of the trip?

    asked by Ryan
  132. childcare

    10. Preventive maintenance means A. purchasing equipment that will require the least amount of maintenance. B. regularly inspecting and repairing or replacing equipment. C. developing rules to prevent children from damaging equipment. D. hiring experienced

    asked by lisa
  133. child

    The major purpose of providing storage for outdoor equipment is to A. teach children to store equipment properly. B. lengthen its life. C. avoid having to insure it. D. fulfill licensing require

    asked by lisa
  134. Civics

    How can I write a sentence using the word lobbying in it?

    asked by Jennifer
  135. PHYS

    the water in a swimming pool transfers 1.09 x 10^10 J of energy as heat to the cool night air. If the temp of the water, which has a specific heat capacity of 4186 J/kg x °C, decreases by 5.0°C, what is the mass of the water in the pool?

    asked by arriell
  136. algebra

    im supposed totraqnslate to an algebraic expression. the product of 19% some number the translation is type the percentage use a decimal use q to reprensent some number. help please

    asked by me
  137. calc

    What are the first and second derivatives of y = (1/x^2)-(1/(x-2)^2)?

    asked by Freddy
  138. algebra

    in 1995 the life expectancy of males in a certain country was 68.7 yrs in 2000 it was 71.3 yrs let E repressent the life expectancy in yrs T and let T represent the the number of yrs since 1995. the linear function e (t) that fits the data is e (t)=T+

    asked by ann
  139. math

    the perimeter of a rectangle is 126 inches. the length exceeds the width

    asked by scooby
  140. physics

    The distance from an observer on the plain to the top of a nearby mountain is 5.3km, and the angle between this line and the horizontal is 8.4 degrees. How tall is the mountain?

    asked by britt
  141. math 115

    Evaluate - |– 618| the brackets indicate an absolute, so the answer is 618, but the negative before the brackets makes it negative correct? The answer is -618 I think, am I correct? thanks

    asked by Mandy
  142. math

    What is the geometrical meaning of the central extension of the algebra of diffeomorphisms of the circle?

    asked by Neil
  143. algebra

    -21+3z/7 / 4z-28/49

    asked by john
  144. Math

    What is the rule _,68,94_,120.

    asked by Chuck
  145. To. Ms. Sue

    Ms. Sue can you please take a moment to look at my post, I don't think I have done it right, thanks.

    asked by Sara
  146. Math

    How do I factor 3x2 =4x +1 and 3x2-2x-8

    asked by Samantha
  147. space science

    how does the size of the moon's core support the impact theory of the moon's formation? please help and thank you

    asked by ned
  148. CRT 205

    Does this statement have any vague or ambiguous? "President Obama's decision to force American taxpayers to foot the bill for abortions in the District of Columbia will cause the deaths of at least 1,000 more unborn children each year." After the House

    asked by Anonymous
  149. sci

    what would be some environmental problems that would call for energy conservation i'm drawing a blank can some help please

    asked by biggie
  150. social studies

    do you know any websites that have any primary sources dealing with the roman empire, such as religion, war and conflict, culture, etc?

    asked by patrick
  151. basic chem conversion

    I have 760 mm Hg at 10 km. How do I convert this to atms? I know that 101.3 atm is equal to 760 mmHg but i don't know how the 10 km will affect this.

    asked by beth
  152. economics

    I have an article for economics and it discusses how the housing starts fell short of economists expectations.It mentions that despite not reaching there goal, they did have a 0.5% increase in first time home owners. In your opinion do you think it sounds

    asked by jake
  153. crt 205

    Identify and name any rhetorical devices used by the author. If none exist, explain how you determined this. "President Obama's decision to force American taxpayers to foot the bill for abortions in the District of Columbia will cause the deaths of at

    asked by Anonymous
  154. Healthy Decision Making

    What are three things young people can do to reduce risks and avoid injury? Can someone help me answer this question. Thank you very much.

    asked by John
  155. Algebra

    I'm not sure how to find the domain for the 4th root of (1-x^2). Can you break down the process for me please?

    asked by Anneliese
  156. crt 205

    State one argument made by the author. "President Obama's decision to force American taxpayers to foot the bill for abortions in the District of Columbia will cause the deaths of at least 1,000 more unborn children each year." After the House acted

    asked by Anonymous
  157. math

    8 1/7 x 3 7/8

    asked by Anonymous
  158. Algebra

    solve by elimination method; 3r-7s=13, 7r-3s=69

    asked by Nicki
  159. Math

    The following data set gives the difference between the winning and? losing scores in 50 randomly observed high school basketball games: 2, 12, 1, 2, 12, 5, 14, 2, 45, 9, 1, 8, 18, 28, 9, 4, 30, 16, 4, 12, 8, 13, 20, 9, 17, 13, 49, 17, 13, 4, 14, 2, 12,

    asked by Anonymous
  160. English

    1. Have you ever chatted with a foreigner at a chatroom? 2. Have you ever written English e-mails? 3. Have you ever taken a taxi to come to school? 4. Have you ever shopped at Home plus? 5. Have you ever sung songs at a singing room? 6. Have you ever

    asked by rfvv
  161. Statistical reasoning in Psychology

    4. Suppose that previous studies have found that the mean amount of sessions necessary to “cure” depressive patients using a particular therapeutic model is 25 sessions, with a standard deviation (σ) of 4. A new model is introduced, and you want to

    asked by Lilah
  162. calculus

    Find the indefinite integral and check the result by differentiation: (integral) x^2 +2x -3 ---------- dx x^4

    asked by SM
  163. Statistics

    According to a 2000 study by the Bureau of Justice Statistics, approximately 2% of the nation's 72 million children had a parent behind bars - nearly 1.5 million minors. Let X be the number of children who had an incarcerated parent. Suppose that 100

    asked by Sam
  164. algebra

    8x-(5x+)=14 the solutions is X= help

    asked by ann
  165. Math

    Use the data in the grade-distribution table below to construct a circle graph showing the distribution of grade types in Ike’s class. Grade..Frequency A......2 B......8 C......11 D......2 F......1 How would the graph in Exercise 7 change if there were

    asked by Anonymous
  166. physics

    A ball of mass 0.35 kg is fired with velocity 157 m/s into the barrel of a spring gun of mass 1.8 kg initially at rest on a frictionless surface. The ball sticks in the barrel at the point of maximum compression of the spring. No energy is lost to

    asked by kevin
  167. social studies

    Do you any websites that might have information on a job called a Miller(one who grinds wheat to make flour, etc.)?

    asked by Mary
  168. Calculus

    can someone please explain h t t p : / / w w w . j i s k h a . c o m / d i s p l a y . c g i ? i d = 1 2 5 7 0 4 1 1 4 5

    asked by Calculus
  169. Science

    A biologist is studying the epithelial cells in a variety of plants and animals. She counts the chromosomes in the epithelial cells of several organisms and finds the following numbers: Organism A: 32 chromosomes Organism B: 26 chromosomes Organism C: 24

    asked by Jenny
  170. 7th grade

    i need help with unit rates

    asked by lily martinez
  171. math

    at acertain time of day a persons shadow is twice her height.what ratio desribes this relationship

    asked by Anonymous
  172. Social Studies

    Do you know a website that would have information about a job as a Miller?

    asked by Mary
  173. sat scores

    is an 950 on the sat test bad?

    asked by kim
  174. Ap english

    I have to write an essay that compares and contrasts the rhetorical strategies of tone, lexicon, and syntax from two sermons given by the same person. How do i do this??? Helpp please!! (the sermons are called "Beauty of the World" and "Sinners in the

    asked by anonymous
  175. Marketing

    What is the decision facing True Religion Jeans? (book I'm using is Marketing, real people, real choices)Can anyone help me with this? Thanks

    asked by Rasheen
  176. Math

    Bellow are stress units of various life experiences. What would be a good graph to use to display the information? Stress.................... Units Death of spouse............100 Divorce....................73 Marital separation.........65 Jail

    asked by Anonymous
  177. Biology

    A scientist separates plant pigments from leaf, root, and stem samples by paper chromatography. All the leaf chromatographs include yellow green and blue green spots but none of the root and only a few of the stem chromatographs have these green spots.

    asked by Anonymous
  178. algebra

    -5/6x=-7/8

    asked by ann
  179. physics

    A horizontal 810-N merry-go-round of radius 1.70 m is started from rest by a constant horizontal force of 55 N applied tangentially to the merry-go-round. Find the kinetic energy of the merry-go-round after 2.0 s. (Assume it is a solid cylinder.)

    asked by Z
  180. Chemistry

    Which is the smallest particle among the particles below? a. cesium atom b. cesium ion c. oxygen atom d. oxygen ion e. not enough information

    asked by Courtne
  181. Math

    What graph would be the best for this problem: The following are prices (in dollars) 2004 automobiles, as listed in a sale ad in the automobile section of the newspaper: 12,997 14,891 18,666 21,799 17,495 17,266 21,517 14,414 14,257 15,634 15,734 27,825

    asked by Anonymous
  182. Health

    How are messages about steroids delivered by media?

    asked by Maria
  183. Chemistry

    I am trying to show that the combined weight of the reactants is equal to the combined weight of the reaction. When I placed CaCl2 into Na2 CO3 I didn't lose any weight. When I added Sulfuric Acid, I could not recork due to safety, therefore I lost Carbon

    asked by Audra
  184. Science

    Respected teachers, I have got assignment that i have to write about 7 scientists i am in class 6 and we have to write 1 page for 1 scientist we have to write about their life style and what they invented and how they were great and i know names of some

    asked by finscience
  185. Chemistry

    In the compound PtCl2(NH3)2, what is the percentage of the mass due to nitrogen?

    asked by Timber
  186. English

    "Poetry is the spontaneous overflow of powerful feelings; it takes its origin from emotion recollected in tranquility: the emotion is contemplated till, by a species of re-action, the tranquility disappears, and an emotion, kindred to that which was before

    asked by Naoto
  187. Algebra 3

    how would I write this in quadratic form? 4x to the eighth power plus 4x to the fourth power plus seven.. I am so confused..

    asked by Jenna
  188. math

    Decide which of the variables described is likely to have a normal or near-normal distribution. 3) a. The amount of change held by a teacher at the end of each day for a year b. The amount of property taxes paid by homeowners in a new "affordable housing"

    asked by katie
  189. math

    Find the z-score for the given raw score, mean, and standard deviation. Assume a normal probability distribution. Raw score = 15, ì = 16 , and ó = 2

    asked by katie
  190. science

    how does the size of the moon's core support the impact theory of the moon's formation? please help and thank you

    asked by ned
  191. Statistics

    Among employed women, 25% have never been married. Select 10 employed women at random. What is the mean number of women in such a sample who have never been married? What is the standard deviation? I think the mean would be 2.5, but I'm not sure about the

    asked by Sam
  192. 5th grade/social studies

    Do you know of a website that would have information on a job as a Miller?

    asked by Mary
  193. tutor period

    what is a blog and how do you write one

    asked by joe
  194. algebra

    Solve by substitution: y=x-4 x+y=14

    asked by Sharon
  195. algebra

    Sovle by substitution: 2x-3y=9 4x-6y=-12

    asked by Sharon
  196. Honors Chemistry

    Help! I do not understand this question. What do you think the effect of concentration might be on the perceived level of a molecules absorbance?

    asked by Ashley
  197. mth/213

    Let U = {u, n, i, t, e} A = {n, i, t} B = {n, e} C = {u, n, i, t, e} D = {u, e} Find each of the following: (a) A ¿B

    asked by marina
  198. Chemistry

    Dimethylsulfoxide (C2H6SO), also known as DMSO. How many moles of carbon are in 4 moles of DMSO? a 1 b 2 c 4 d 8 e not enough info

    asked by Dexter
  199. Honors Chemistry

    Absorbance spectroscopy relies on the fact that specific molecules can only absorb certain wavelengths. Explain how this could be used in a)microwaves and b) astronomical discoveries/interpretations. Thank you for any help with this... :)

    asked by Ashley
  200. Literature

    Yesterday Ms. Sue gave me wikipedia so i can find What is a tragic mulatto? Is there anyway someone can give me that definition because I can't get the website to work on my computer. Thank you.

    asked by Unknown
  201. trig

    Angle x is in the second quadrant and angle y is in the first quadrant such that sinx=5/13 and cosy=3/5. a) Determine an exact value for cosx b) Determine an exact value for siny

    asked by Anonymous
  202. algebra

    simplfy 7[-93-(98-32)]= help

    asked by a
  203. trig

    Use a compound angle formula for sine to show that sine2(theta) = 2sine(theta)cos(theta)

    asked by Anonymous
  204. electrical

    the opposition thata coil affers to the of alternating current is called

    asked by john
  205. algebra

    2x+3y=1 4x+6y=2 is there a order pair here or is there no solution

    asked by a
  206. child

    Books that promote tolerance include A. stereotyped characters. B. sexist attitudes. C. male and female heroes. D. racist beliefs

    asked by denise
  207. Chemistry

    The ion formed by IODINE has electron configuration that resembles a. Te b. Kr c. Xe d. Br e. we cant know unless told whether it gains or loses electrons

    asked by Sarah
  208. Chemistry

    which metal does not require having its charge specified in the names of ionic comppounds it forms? a. Au b. Ca c. Cu d. Cr e. Fe

    asked by luke
  209. CRT 205

    Choose two topics from the Opposing Viewpoints Resource Center that interest you and locate a set of materials from the database for each topic. If you choose school violence as one of your topics, for example, you might find a magazine article that argues

    asked by Anonymous
  210. Health

    What are some specific programs/medications that help deal with anabolic steroids?

    asked by Maria
  211. science

    i couldn't figure this one out. Materials, such as water, that become gaseous easily at room temperature are called volatiles. How does the complete lack of volatiles in lunar rocks support the impact theory of moon's formation? please help and thank you

    asked by ned
  212. STATS HELP

    Freshman-sophomore retention rate (FSRR) for a college is the proportion of first-year students who return to the college for their sophomore year. Nationwide, the mean FSRR for colleges in the U.S. is 75%. Use the 68-95-99.7 rule to describe graphically

    asked by Chelsea
  213. algebra

    simplify: (p^-4+m p^2m)^-4 ________________ (p^-4)^-m

    asked by Melissa
  214. math

    differentiation form first principles y=1/x^2

    asked by Anonymous
  215. social studies

    DO SOME RESEARCH ON JAMES 1. WRITE A CHARACTER SKECTH OF JAMES. WHAT DIRECTIONS WOULD YOU GIVE TO AN ACTOR ASKED TO PORTRAY JAME 1 IN A FILM? plz help me. i totally don't get this question. im failing social. the only thing i know is that, james was an

    asked by charmy
  216. American National Government

    Could someone please help me find some information? I need to write a paper about my U.S. Representative in my area. My U.S. Representative is Brad Ellsworth. In this paper I need to describe the characteristics of my congressional district, I am not sure

    asked by B.B.
  217. Calculus

    a bomb is dropped from an airplane at an altitude of 14,400 feet. how long will it take to reach the ground? (because of the motion of the plane, the fall will not be vertical, but the time will be the same as that for a vertical fall.) the plane is moving

    asked by Anonymous
  218. social studies

    prepare a defence for the proposition that the Divine Right of Kings is necessary to good government. i don't get it. what does this mean? and i don't even understand the Divine Right of Kings, it was written in old english. please help me. and it also

    asked by lolli
  219. Natural science

    short myths associated with Eclipse

    asked by Anonymous
  220. English H1

    Can someone please help explain Lord of the Flies by William Golding to me? I understand the general concept, but certain parts I can't seem to grasp. I'm only as far as Chapter Five. Thank you SO much to anyone who can help!

    asked by Nicole
  221. electrical

    am meter and millionm meter are conncded in with the load whoes current theyare

    asked by john
  222. algebra

    im suppposed to determine if this is parralled perpendicular or neither 2x+3y=2 3x-2y=9

    asked by me
  223. physics

    A ball rolls up a ramp which abruptly ends with the ramp dropping straight down. The ball launches off the end of the ramp while still traveling at an upward trajectory, goes through projectile motion, and returns to the same height as the base of the

    asked by Sandhu
  224. electrical

    to which side of the source is the position terimnal danammeter conected to when it is placed into circurit

    asked by john
  225. chemistry

    One afternoon, a graduate student set up a silica gel column to chromatograph a mixture of two colourless products whose Rf values were quite close. Suddenly, he realized that he had tickets to the Leafs game that night. He turned the stopcock to stop

    asked by lisa
  226. Advance Biology

    What is the relationship between CFCs and the Earth's protective layer?

    asked by Jennifer
  227. Math

    If a ray divides an angle into two acute angles, then it bisects the original angle Find the maximum area of a rectangle with the perimeter of 54 cm. Do ray CD and ray CE form line DE?

    asked by Anonymous
  228. books

    i need a famous work of literature unscrambled containing the letters noahadamsfalseteeth

    asked by jake
  229. electrical

    what tpye detectric motor operate on both alternating current and direct circuit

    asked by john
  230. Repost- Biology

    A scientist separates plant pigments from leaf, root, and stem samples by paper chromatography. All the leaf chromatographs include yellow green and blue green spots but none of the root and only a few of the stem chromatographs have these green spots.

    asked by Anonymous
  231. algebra

    type an inequilty -0.2x

    asked by me
  232. speech

    motivational speech

    asked by pj
  233. mgt 330

    Do you believe that employees can learn/be trained to be more emotionally intelligent?

    asked by meshelle
  234. algebra

    x=-5 find the slope if there is one

    asked by me
  235. math- Algebra 2

    I have absolutely no idea how to do this please help! Find the sum: it has the sigma sign with 12 at the top, (10k-8)(6k+7) in the middle and k=1 at the bottom

    asked by Anonymous
  236. Pigskin Geography

    For numbers 13 and 14 on week 8 I cannot find how much larger houston is than buffalo and how much larger minneapolis is than Green Bay. Please Help!!! Thanks:)

    asked by LALA
  237. trig

    Angle x is in the second quadrant and angle y is in the first quadrant such that sinx=5/13 and cosy=3/5. a) Determine an exact value for cosx b) Determine an exact value for siny

    asked by Anonymous
  238. MATH 213

    13. Consider the set of northwestern states or provinces {Montana, Washington, Idaho, Oregon, Alaska, British Columbia, Alberta}. If a person chooses one element, show that in three yes or no questions, we can determine the element.

    asked by brina
  239. Pre Calc

    in a 9 digit integer, each of the digits 1,2,3,4,5,6,7,8,and 9 appears exactly once. Find the probability that the integer is divisible by 9.

    asked by Ryan
  240. Algebra1

    Here's the problem. I have to write an equationa and solve. The greater of two consecutive integers is 15 more than twice the smaller. Find the intergers. Thank you guys so much! =)

    asked by Nicole
  241. econmics

    Individuals in a market who must take the market price as given are

    asked by Anonymous
  242. electrical

    The minimum size of a electrical cable recomended for use in power circuit is.

    asked by john
  243. algebra

    -4x>1 - 11 typeb an inequslity or fraction

    asked by help
  244. Computer Sciene-java

    Write a loop that will continuously prompt the user for integers to sum, -1 to exit. Sum these values and display the sum to the console. Here is what I have so far, but I feel like I am missing something: public class Sum1 { public static void main

    asked by Lisa