Questions Asked on
February 27, 2013

  1. physics

    The moment of inertia of thin uniform rod of mass i and length L about an axis passing through a point midway between the centre and on end perpendicular to its length is --------------

    asked by prasad
  2. physics

    n droplets of equal sixe of radus r calesce to from a bigger drop of radius r the energy liberated is equal to ------------

    asked by prasad
  3. physics

    The buckling of a beam is found to be more is----------------

    asked by prasad
  4. physics

    When a transverse wave on a string is reflectred from the free end the phase change produced is-------

    asked by prasad
  5. physics

    the number of degrees of freedom for a rigid diatomic molecule is ------------

    asked by prasad
  6. math

    Gravel is being dumped from a conveyor belt at a rate of 40 cubic feet per minute. It forms a pile in the shape of a right circular cone whose base diameter and height are always the same. How fast is the height of the pile increasing when the pile is 22

    asked by jeremy
  7. ECON

    Assume that a consumer’s indifference curve is bowed outward but satisfies the other three properties of indifference curves. As the consumer moves from left to right along the horizontal axis, the consumer’s marginal rate of substitution

    asked by Anonymous
  8. physics

    two particles perform linear simple harmonic motionalongthe same path of length 2A and period T as shown in the graph below. the phase differe3nce between them is -------------

    asked by prasad
  9. physics

    The light from the sun is found to have a maximum intensity near the wavelength of 470 nm assuming the surface nof the sun a s a black body the temperature of the sun is ----------

    asked by prasad
  10. physics

    In the diffraction pattern due to a single slit of width d with incident ligth of wavelength lamda at and angle of diffraction thita the conditon for first minimum

    asked by prasad
  11. physics

    let p and E denote the linear momentum and energy of emitted photon respectively if the wavelength of incident radiation is increased----

    asked by prasad
  12. physics

    The nuclei having same number of protons but different number of neutrons are called--------

    asked by prasad
  13. chemistry

    I am having trouble on this please help Indicate which of these statements is true? For those that are false,.explain why a) addition reactions always involve compounds with multiple bonds b) all addition reactions produce polymers, but not all polymers

    asked by K
  14. please help me on chem

    Commodity prices of NaCl and urea are about $0.033/lb for NaCl (as rock salt) and about $0.10/lb for urea. Calculate the cost of treating 1000 lb of ice on a surface to produce a solution that melts at -3.9 degrees Celsius with each chemical. I know you

    asked by K
  15. chemistry

    What's the percentage of the H202 that has been consumed if you use 11.5ml of water, 3.0ml buffer, 2.5ml KI, 1.0ml starch, 1.0ml Na2S203.and 1.0ml H202

    asked by StressedStudent
  16. Physics

    On the moon's surface, the force of gravity exerted by the moon on a camera is 2.4 N. What is the force of gravity exerted by the moon on the camera when it is in orbit with a radius = to twice the moon's radius?

    asked by Anna
  17. Chem please help

    why is the formation of a condensation polymer impossible in these cases ? A) ethanoic acid + NH2CH2CH2CH2CH2NH2 B) ethanoic acid+CH3CH2NH2 C) HOOC-CH2-COOH + CH3CH2NH2

    asked by K
  18. economics

    šPlease explain these question in words! š How will demand and supply curve shift? 1. Labor market for math and science teachers when wages available in private industries utilizing these skills rise. 2. Labor market for university professors when

    asked by chocolatemilk
  19. college algebra

    Some bank robbers leave town, speeding at 70mph. Ten minutes

    asked by Anonymous
  20. maths

    The lines x=4y−a and y=4x−b intersect at the point (1,2). What is a+b?

    asked by Rox
  21. statistic

    At a party there are 33 students over age 21 and 22 students under age 21. You choose at random 3 of those over 21 and separately choose at random 2 of those under 21 to interview about attitudes toward alcohol.. You have given every student at the party

    asked by sara
  22. Physics

    A flat thin non-conducting ring has an inner radius R1 and an outer radius R2 . The disk is uniformly charged with charge per unit area σ(>0) . (a) What is the electric field at the center, P , of the ring? Express your answer in terms of the following

    asked by A
  23. Physics

    A point charge Q1=-2µC is located at x=0, and a point charge Q2=-8µC is placed at on the x -axis of a cartesian coordinate system.The goal of this problem is to determine the electric field,E(x)=E(x)x^ , at various points along the -axis. (a)What is E(x)

    asked by Anonymous
  24. physics

    There is a very large horizontal conducting plate in the x-y plane (consider it infinitely large). Its thickness is h . The charge densities on the upper and the lower surfaces are both equal to +σ. The goal of this problem is to find the electric field

    asked by Anonymous
  25. Physics

    There are two conducting concentric hollow spheres of outer radii R2 and R1 ( R2>R1 ). The thickness of the material of both spheres is d . The inner sphere is negatively charged with charge density -σ1, . The larger sphere is positively charged with

    asked by Anonymous
  26. Physics

    A charge-Q is located at x=-l/2 and a charge +Q is located at x=l/2 . Thus the separation between the two charges is l . The total electric field on the x axis can be written as E(x)=E(x)d^ (a) What is the direction d^ of the total electric field at any

    asked by Anonymous
  27. geometrY!

    ABCD is a parallelogram. E is a point on AB such that 234×AE=EB. Let DE intersect AC at F. What is the ratio AC:AF?

    asked by urgently needed!!!
  28. simple geometry!

    In acute triangle ABC, we have ∠CAB=34∘. E is the foot of the perpendicular from B to AC. A point H is on BE is chosen, and X is the foot of the perpendicular from H to AB. What is the measure (in degrees) of ∠EHX?

    asked by urgently needed!!!
  29. inventory management

    Calculate the annual holding cost if the economic order quantity is used

    asked by Anonymous
  30. inventory management

    Calculate the annual holding cost if the economic order quantity is used

    asked by Anonymous
  31. chemistry

    what mass of ammonium chloride is dissolved in 100 grams water in each of the following solutions in 1.10 molal NH4Cl solution, in a solution which is 75% water by mass in solution with a mole fraction of 0.15 NH4Cl? please help me solve this problem.

    asked by andrea
  32. Physics

    The electric field strength @ distance = 1.0 m from a point charge is 4.0 x 10^4 N/C. What is the Electric field strength @ 2.0 m from the same charge?

    asked by Anna
  33. Pre-Calculus

    Simplifying Complex Fractions [(x+3)/12] / [(4x-5)/15] [(x+3)/12] x [15/(4x-5)] (x+3)5/4(3x-5) (5x+15/12x-20)

    asked by Caroline
  34. chemistry

    What is the structure of H2P2O6??

    asked by nitesh
  35. PHYSICS!!!

    Recently, Asteroid 2012 DA14 came within 34,200 km from the center of the earth at its point of closest approach. If the moon goes around the earth once every 27.5 days, what is the ratio of the distance of closest approach of DA14 to the radius of the

    asked by please urgently needed!!!
  36. simple PHYSX!

    A 9V battery has an electric potential difference of 9V between the positive and negative terminals. How much kinetic energy in J would an electron gain if it moved from the negative terminal to the positive one?

    asked by please urgently needed!!!
  37. Chemistry Lab

    Hi, I'm doing a lab with acid-base indicators and I'm utterly confused. The lab procedure goes like this: 1) Make your own indicator. 2) set up 12 test tubes and pout a little pH solution into tube. 3) add 4 drops of indicator into each test tube. 4)

    asked by ConfusedStudent
  38. Chemistry

    Mg + HCl ----> MgCl2 + H2 If the water in tube is evaporated , the other product , a white salt remains . Write the balanced chemical equation . Ans: Mg + HCl ----> MgCl2 + H2 + H2O I don't know how to balanced it . I'm confusing where O is in reactants to

    asked by Maria
  39. Chemistry

    This is a back titration question and I'm struggling with it :/ So if you can help me, that would be very appreciated :) Q. A sample of steel wool was dissolved in excess sulfuric acid. The resulting solution (FeSO4 aq) was then titrated with potassium

    asked by Rapunzel
  40. CHEMISTRY

    Hydrogen cyanide is used in the production of cyanimid fertilisers. It is produced by the following reaction: 2CH4 + 2NH3 + 3O2  2HCN + 6H2O (a) How much hydrogen cyanide can be produced starting with 100 kg of each of the reactants? (b) Which is the

    asked by alex
  41. physic

    A progressive wave is represented by the equation where y is in mm, t in seconds and x is a distance from fixed point origin, O in meters. Find (a) Frequency, wavelength and speed of the waves (b) phase difference between point 0.25m and 1.10m from O

    asked by ash05
  42. science

    calculate the change in entropy when 1.00g of oxygen at 27 degree celsius is expanded from 1 dm 3 to 4 dm3

    asked by Anonymous
  43. Health

    What can spark weight concerns for girls and impact their eating habits in potentially unhealthy ways?

    asked by Angel
  44. Math

    Hi, Please help me solve the ffg. set of simultaneous equations using D-operators: dy/dx+2x-3y=1 dy/dx-3x+2y=e^-t

    asked by Ash
  45. Math

    Hi. please help me solve the ffg. differential equation: D^2y=3sinx-4y given y=0 and dy/dx=1 at x=pie/2 Need full solution. Tx

    asked by Ash
  46. life oriantation

    Basic conditions of employment act

    asked by Petunia
  47. to Katy re SOC

    Do NOT put requests for answers to tests on this message board. Doing so again will get you banned for sure.

    asked by Writeacher
  48. life orientation

    What unethical behaviour is taking place in this case study?

    asked by thulani
  49. Calc

    Evaluate the integral of abs(x) from -4 to 4.

    asked by 009
  50. Chem

    hydrate mean in an inorganic chemistry context

    asked by Anonymous
  51. physics

    a 3000 pound car is parked on a hill at an angle of elevation of 16 degrees. how much force must the brakes exert to keep the car from rolling down the hill?

    asked by bob
  52. College Algebra

    Alfred has just developed a new super ball and you have been asked to test its rebound capabilities. From your experiment you have found if you drop the ball from a height of 250 centimeters the first bounce average is 180 cm. rebound ratio = ? Using this

    asked by Leigh
  53. english

    How did mandela grow up?

    asked by mamiki
  54. goemetry

    the vertice of rectangle ABCD are A=(0,0), B=(2a,0), C=(2a,2b) and D=(0,2b). Where M,N,P and Q are the midpoint of the consecutive sides of ABCD, what type of quadrilateral is MNPQ?

    asked by Johnny
  55. Maths

    (a) find the largest four digit number which has a total of exactly 3 factors. (b) find a and b greater than zero such that a^2 = b^3. (b) find x and y such that x^3 y^3 =1729

    asked by Very urgent please help me solve
  56. Math

    Amy Powell invested $8500 twice a year in an ordinary annuity at New York Securities for a period of 5 years at an annual interest rate of 10% compounded semiannually. Using the ordinary annuity table , calculate the total value of the annuity at the end

    asked by Melissa
  57. Math

    A room measures 12 feet by 12 feet. A couch is 10 feet and 6 inches long. If you center the couch in the middle of the room, how far will each end of the couch be from the nearest wall?

    asked by Hannah Adcock
  58. 4th grade grammar

    1. clean the campsite well or good 2. eat well or good

    asked by daniel's mom
  59. statistics

    A professional employee in a large corporation receives an average of = 45 e-mails per day. Most of these e-mails are from other employees in the company. Because of the large number of e-mails, employees find themselves distracted and are unable to

    asked by Anonymous
  60. science

    why should nucleotides be in proper sequence during protein synthesis?

    asked by bart
  61. quantitative rsearch

    A manufacterer of computers designed to aid social scientists in analyzing rsearch data claims that are operational for at least 80% of the time . during the course of the year one computer was operational for 270 days. test, at the 1% CONFIDENCE LEVEL,

    asked by Richard
  62. math

    Put in ascending order..1/4.28% 3/100

    asked by amy
  63. agebra

    Can someone please help me.. find an equation that models the path of a satelite if its path is a hyperbola, a=55,000km and c=81,000km assume that the center of the hyperbola is the origin and the tranverse axis is horizontal

    asked by lee
  64. algebra

    Can someone please help... a hyperbola has vertices (+-5,0) and one focus (6,0) what is the standard form equation of the hyperbola.

    asked by lee
  65. Science

    Describe how you would prepare 25.0ml of a 1.00 M NaOH solution.

    asked by Sandy
  66. physics

    what is electric power?

    asked by milly
  67. maths

    seats are arranged in rows in a auditorium.each row has 5 more than the previous row 15th row contains 32 seats.which row has 92 seats

    asked by jaleel
  68. Physics

    For a given launch velocity, at which launch angle does the projectile undergo the maximum horizontal displacement? A. 35° B. 45° C. 75° D. 80° E. 90°

    asked by fredrick
  69. chemistry

    A catalytic converter combines 2.55 g CO with excess O2. What mass of CO2 forms?

    asked by megan
  70. Chem please help me I need help

    I am having trouble on this please help Indicate which of these statements is true? For those that are false,.explain why a) addition reactions always involve compounds with multiple bonds b) all addition reactions produce polymers, but not all polymers

    asked by K
  71. Chem please help urgent

    why is the formation of a condensation polymer impossible in these cases ? A) ethanoic acid + NH2CH2CH2CH2CH2NH2 B) ethanoic acid+CH3CH2NH2 C) HOOC-CH2-COOH + CH3CH2NH2

    asked by K
  72. Chem lab last question!! Urgent help

    Commodity prices of NaCl and urea are about $0.033/lb for NaCl (as rock salt) and about $0.10/lb for urea. Calculate the cost of treating 1000 lb of ice on a surface to produce a solution that melts at -3.9 degrees Celsius with each chemical. I know you

    asked by K
  73. science

    : how much work is done by 0.020 meters squared of gas if its pressure increases by 2.0 multiplied by 10 to the 5th power Pa and the volume remains constant ?

    asked by Chad
  74. chemestry

    How many grams of O2 are needed to produce 45.8 grams of Fe2O3 in the following reaction? 4Fe(s)+3O2(g) - 2Fe2O3(s)

    asked by richard
  75. hannah

    q = 1400e^(−0.03p) (a) Write revenue, R, as a function of price. R(p) = (b) Find the marginal revenue. R′(p) =

    asked by calc
  76. Calculus

    1. Find the area of the region bounded by the curves and lines y=e^x sin e^x, x=0, y=0, and the curve's first positive intersection with the x-axis. 2. The area under the curve of y=1/x from x=a to x=5 is approximately 0.916 where 1

    asked by Jessy152
  77. Algebra

    What association would you expect if graphing height and weight? A.positive B.nonlinear C.negative D.none of these I think it is A...?

    asked by cassie
  78. Algebra

    What association would you expect if graphing number of hours worked and money earned? A.negative B.linear C.nonlinear D.none of these I think it is B..?

    asked by cassie
  79. Spanish: Please Help

    I have no idea what the answers are to these. Thank You For questions 10-14, match the family members: A. el hijo de mis tíos B. la hija de mis padre C. la madre de mi padre D. la hermana de mi padre E. la esposa de mi padre 10. mi madre 11. mi tía 12.

    asked by Jack
  80. Spanish: Please Help (CHECK ANSWERS)

    19. Your hermano mayor is A.) younger than you. B.) older than you. *C.) more powerful than you. D.) smarter than you. 20. Your hermana menor is *A.) younger than you. B.) older than you. C.) more powerful than you. D.) smarter than you. Thank You

    asked by Jack
  81. Biology

    When does DNA synthesis occur???

    asked by Anthony
  82. physics- electricity

    An electric car uses a lithium metal hydride battery with a mass of 250 kg. The battery delivers 300v and holds a stored charge q of 70 ampere-hours. Calculate the total energy stored in the battery in kWh. Calculate the number of gallons of gas that would

    asked by Anonymous
  83. Analytical Chemistry

    Calculate the pH at the equivalence point for the titration of 0.160 M methylamine (CH3NH2) with 0.160 M HCl. The Kb of methylamine is 5.0× 10–4. Methylamine is a weak base and reacts with HCl to give the methylammonium ion. HCl + CH3NH2 CH3NH3^+ + Cl^-

    asked by Sam
  84. chemistry

    How many grams of ammonium fluoride are required to neutralize 972 'm of 0.00327 M sulfuric acid

    asked by caleb
  85. chemistry

    How many grams of O2 are needed to produce 45.8 grams of Fe2O3 in the following reaction? 4Fe(s)+3O2(g) - 2Fe2O3(s)

    asked by richard w
  86. Statistics

    What sample size is needed to find the percent of the customers at a store that are married, if 90% confidence is desired to be within a 5% margin of error?

    asked by Scot
  87. Maths question

    (a) find the largest four digit number which has a total of exactly 3 factors assuming that one and d number itself are factors. (b) find a and b greater than zero such that a^2 = b^3. (c) find x and y such that x^3 y^3 =1729

    asked by Very urgent please help me solveme solve
  88. 6th grade Algebra

    Power Standard Form 10^1 10 10^2 100 10^3 1000 10^4 10000 10^5 100000 Write a rule for the number pattern.

    asked by Deanne
  89. chm

    If a neutral element has 8 neutrons and 7 electrons, which expression correctly identifies the element?

    asked by jj
  90. Spanish: Please Help

    23. Write the correct verb form in the blank: yo/encontrar. yo ___________ (2 points) 24. Write the correct verb form in the blank: ella/cerrar. ella ___________ (2 points) 25. Write the correct verb form in the blank: nosotros/querer. nosotros ___________

    asked by Jack
  91. Physic

    A ball is thrown horizontally from a cliff at a speed of 15 m/s and strikes the ground 45 meters from the base of the cliff. How high was the cliff (rounded to the nearest meter)

    asked by Unknown
  92. life orientation

    identify 5 practises that are in contravention of the BCEA

    asked by nephawe ndialivhuwa
  93. MATH; PLEASE HELP

    Power Standard Form 10^1 10 10^2 100 10^3 1000 10^4 10000 10^5 100000 Write a rule for the number pattern.

    asked by Deanne
  94. chemistry

    A sample of oxygen that occupies 1.00x10^6 mL at 575 mm Hg is subjected to a pressure of 1.36 atm. What will the final volume of the sample be if the temperature is held constant?

    asked by peyton
  95. math help

    ind the radius of a sphere with a surface area of 804 cm2

    asked by Abbey
  96. Life orientation

    What can them do to deal with the unethical behaviour.name 4 action she can take

    asked by Anonymous
  97. maths-coordinate geo

    The coordinates of the houses of A and B are (7, 3) and (4, -3) whereas the coordinates of their school is (2, 2). If both leaves their houses at the same time in the morning and also reaches school on time then who travel faster?

    asked by Anonymous
  98. Calculus

    Let f be the function given by f(x)=(x^3)/4 - (x^2)/3 - x/2 + 3cosx. Let R be the shaded region in the second quadrant bounded by the graph of f, and let S be the shaded region bounded by the graph of f and line l, the line tangent to the graph of f at

    asked by Jessy152
  99. HELP! LANG ARTS??

    Which of the following best describes the persuasive appeal used in the sentence “Once you’ve cared for a loving animal, you are likely to treat human beings better as well”? A. appeal to reason B. ethical appeal I think the answer is B, but I'm not

    asked by KittyKitKatKoo
  100. Calculus

    The functions f and g are given by f(x)=√x and g(x)=6-x. Let R be the region bounded by the x-axis and the graphs of f and g, as shown in the figure in the link below. Please show your work. h t t p://goo.gl/jXIZD 1. Find the area of R. 2. The region R

    asked by Jessy152
  101. Maths-financial

    Lucas invests R4million into an account earning interest of 6% per annum compounded monthly.He withdraws an allowance of R30000 per month.The first withdrawal is exactly one month after he has deposited the R4million.How many such withdrawals will Lucas be

    asked by Lucas
  102. maths-constructions

    Construct a rhombus ABCD in which AB= 6 cm and angle ABC= 60degree. Divide it into two triangle ABC and ADC. Construct a triangle AB 'C ' similar to triangle ABC with scale factor 2/3. Draw a line segment C 'D ' parallel to CD, where D ' lies on AD. Is AB

    asked by Anonymous
  103. Spanish: Please Help

    23. Write the correct verb form in the blank: yo/encontrar. yo ___________ (2 points) 24. Write the correct verb form in the blank: ella/cerrar. ella ___________ (2 points) 25. Write the correct verb form in the blank: nosotros/querer. nosotros ___________

    asked by Jack
  104. Physics

    A freestyle skier hits the take off ramp with an initial velocity of 17.5 m/s with a purely vertical take off (90 degrees). What is the peak height that the skier will reach? Can you fully explain to me how to get this answer? I did the formula

    asked by Caitlyn
  105. physics

    A window washer pushes his scrub brush →− up a vertical window at constant speed by applying a force F as shown in Fig. P5.74. The brush weighs 15.0 N and the coefficient of kinetic friction is μk = 0.150. Calculate (a) the magnitude of →− the

    asked by Bella
  106. chemistry

    When the concentration of CH3Br and NaOH are both 0.150M, the rate of the reaction is 0.0020M/S. (a) What is the rate of the reaction if the concetration of CH3Br is doubled? _______________M/s (b) What is the rate of the reaction if the concentration of

    asked by dj
  107. Math 130

    Sum the first two odd numbers, then the first three, the first four, and so on. From these observations could you guess the sum of the first 100 odd numbers?

    asked by Enis
  108. Language Arts

    (This homework question has been removed due to a copyright claim submitted by Connections Education.) Anybody got some good examples? @.@ All I can think of is TV shows or things I heard on the internet.

    asked by DratiniGirl
  109. Geometry

    1) If m1 = 37°, what is the measure of 4? a. 53° b. 43° c. 37° d. 27° 2) If m1 = 40°, what is the measure of 5? a. 50° b. 40° c. 35° d. 25° 3) If m4 = 105°, then what is the m8? a. 105° b. 75° c. 175° d. 25° My Answer..... 1) b. 43° 2) a)

    asked by Alexa
  110. Algebra 2

    How much money would you have in 4 years if you deposited $2500 in an account paying 5.5% annual interest, compounded monthly?

    asked by Anonymous
  111. History

    Struggle for north america - what was thr climax of british- frenvh rivalry in north america?

    asked by Heleny
  112. math

    A piece of cardboard measure 12ft by 12ft. Corners are to be cut from it as shown by the broken lines, and the sides folded up to make a box with an open top. What size corners should be cut from the cardboard to make a boxx with the greatest possible

    asked by jo
  113. langauge arts

    Which of the following statements is an opinion? AThunderstorms are more frequent around the East Gulf Coast . BThunderstorms are extremely frightening. CThunderstorms are the result of convection. DThunderstorms can produce tornadoes.

    asked by faithwest
  114. business math

    Scientists estimate forests are being destroyed on Earth's surface at a rate of 149 acres per minute. Use unit ratios to find the number of acres to the nearest thousand being destroyed each day. I am completely stumped on this one. HELP!

    asked by tmouery
  115. Chemistry

    Isoamyl salicylate (м = 208.25 g/mol) has a pleasant aroma and is used in perfumes and soaps. Which of the following combinations gives a 0.75 m solution of isoamyl salicylate in ethyl alcohol (d = 0.7893 g/mL)

    asked by Dee
  116. Spanish

    Un amigo te pregunta quiénes están haciendo varios trabajos. Responde sus preguntas con frases completas. 1. ¿Quién saca fotos? 2. ¿Quién apaga el incendio? 3. ¿Quién investiga el crimen? 4. ¿Quién sirve comida en el restaurante? 5. ¿Quién te

    asked by Brianna
  117. world civilization

    what if any, advances did women make as a result of these revolutions in the transatlantic world? which groups tend to benefit most,and which least,from the events discussed in this chapter?

    asked by Anonymous
  118. math

    how to solve: tan(sin(x))=tan(x)sin(x)?

    asked by bob
  119. Spanish

    Un amigo te pregunta quiénes están haciendo varios trabajos. Responde sus preguntas con frases completas. 1. ¿Quién saca fotos? 2. ¿Quién apaga el incendio? 3. ¿Quién investiga el crimen? 4. ¿Quién sirve comida en el restaurante? 5. ¿Quién te

    asked by Brianna
  120. Chemistry

    The vapor pressure of pure acetone (propanone) is 266 torr. When a non-volatile solute is added, the vapor pressure of acetone above the solution falls to 232 torr. What is the mole fraction of acetone in the solution? Show work. A) 0.69 B) 0.32 C) 0.13 D)

    asked by Dee
  121. MATH - HELP PLEASE!!

    Congruency means that two figures or items are exactly the same size and shape. Where in life would it be vitally important for two or more items to be congruent? My first thought would be wheels on a car... does anyone else have any better ideas?

    asked by KittyKitKatKoo
  122. calculus

    Use the second derivative to determine the point of inflection for y = x3 – x2 – 8x + 12. ????

    asked by mark11
  123. calculus

    Use the second derivative to determine the point of inflection for y = x3 – x2 – 8x + 12. ????

    asked by mark11
  124. calculus

    Use the second derivative to determine where the maximum and minimum rates of change occur for a vehicle’s speed modeled by the function v(t) = 0.0591t3 - 0.3399t2 + 0.5019t + 0.00594, where t is the time in minutes after leaving a stoplight.

    asked by mark11
  125. Chemistry

    Calculate the mass of HONH2 required to dissolve in enough water to make 255.5 mL of solution having a pH of 10.02 (Kb = 1.110−8).

    asked by Margaret
  126. chemistry

    what is the temperature (degree celcius) of 1.75g of o2 gas occupying 4.6l at 1.00 atm?

    asked by Anonymous
  127. calculus

    Construct a sign chart for the derivative. Then determine the relative and absolute extrema for y = -4x2 + 4 on the interval [-3,3].

    asked by nikita
  128. calculus

    The radius of a circular oil spill is increasing at a rate of 10 feet per hour. How quickly is the surface area changing when the radius is 200 feet?

    asked by john9999
  129. History

    Which organization was organized by Lugenia Burns Hope? (A)Niagra Movement (B)Neighborhood Union (C)March on Washington (D)Atlanta Life Insurance my answer was : (A)

    asked by Zahradeen
  130. Eng1511/01

    Read through the stoty again and find three nouns(spcify the type of a noun)

    asked by Anonymous
  131. Algebra

    If you bought 6 pears and 20 oranges and then bought 11 pears and 12 oranges and spent the same each time, how much do oranges cost if the pears are 80 cents each?

    asked by Jenn
  132. Applied Calculus

    Find the third derivative of the function: g(t)=square root of 7t+5

    asked by Jacob
  133. philosophy natural deduction

    1. ~(RvR) 2. I> (R*R) ~I

    asked by Laura
  134. algebra

    how do I figure which line is perpendicular to y=2/3x+3

    asked by DJDiamond
  135. Science

    The two objects shown are the same size. However, one object is made of wood, and the other object is made of plastic. Which of the following properties of the objects will be the same?

    asked by Batman
  136. math

    Alicia,Charles,and Yumiko all planted gardens using 36 feet of fencing for th perimeter. The area of Charles's garden is 45 square feet. What are the dimensions of his garden? What shape can I use to represent th answer?

    asked by khamari
  137. chemistry

    If a student attempts to identify an unknown compound by methodused in this experiment. She finds that when she heated a sampleweighing 0.4862 g the mass went down appreciably, to 0.3067 g. Whenthe product was converted to chloride, the mass went up, to

    asked by johnson
  138. Math(Data Management)

    of the 11 girls in class: 6 dislike Trevor(T), 5 Dislike Bryce(B), 8 Dislike Drake(D), 3 Dislike T and B, 5 Dislike T and D, 4 Dislike B and D only Sue-Ellen is friends with all 3, place students in Venn Diagram and Find the Number and Describe?

    asked by Josh
  139. HELP PLEASE!

    15. Ellos no ___________ la lección. (1 point)meriendan entienden pierden cierran 16.Los estudiantes ______ en la clase. (1 point)cierran meriendan pierden piensan 17. Yo ________ viajar a México. (1 point)entiendo cierro quiero meriendo 18. Mi maestra

    asked by Danielle Emmerson
  140. Physics

    If the electric potential is given by V = (-1 volts/m4 )x2yz + (4 volts/m2)yz, find the electric field.

    asked by lindsey
  141. Physics

    What is the maximum charge that can be put on a conducting sphere of radius 15 cm if it is not to spark? That is, the electric field at its surface cannot exceed the dielectric strength of air. b) What is the sphere's voltage at this charge?

    asked by lindsey
  142. Physics

    A capacitor is made from two parallel plates separated by a distance d, and each has area A. The capacitor holds a charge Q. (a) What is the energy stored in the capacitor? (b) A mechanical force pulls the plates apart, without changing the stored charge,

    asked by lindsey
  143. Chemistry

    Considering the following precip reaction Pb(NO3)2(aq)+2KI(aq)----->PbI2(s)+2KNO3(aq) What is the correct net ionic equation? I think it is 2NO3+^-+2K^+---->2KNO3

    asked by STAT
  144. Physics

    You have two metal spheres, one with radius 10 cm, the other 7 cm. They each possess a charge of 3 x 10-6 Coulombs. If you touch them together and let the charge come to equilibrium, how much will there be on each sphere?

    asked by lindsey
  145. World history; HELP

    Write a opinion paper on the most significant consequences of the Agricultural Revolution. The one about 10,000 years ago. I need help. Some websites stating facts or something?Please and thank you.

    asked by Unknown
  146. World history

    Pleas help? In what ways were the Indus Valley people an advanced civilization? In what ways did their civilization compare to an advanced modern civilization today?

    asked by Unknown
  147. History

    What was the biggest challenge that Abraham Lincoln faced while in office/

    asked by John
  148. World history; HELP

    Can I get some websites? Help? Please. Write a one paragraph essay on how developments in technology influenced the rise and decline of the Assyrian Empire.

    asked by Unknown
  149. Math-Data Management

    In a random Sample of Canadians 30% have Beeburr CD's (B) 35% have Fergie CD's (F) 55% have Motorhead CD's (M) 5% have B and F 10% have B and M 10% have F and M 95% have at least one artist place in Venn Diagram Find Number and Describe: a) _____ n(BuFuM)

    asked by jazz
  150. calculus

    F(x)= ln ((3t + 1)^4 / (2t + 1)^3) F'(x)=

    asked by Eve
  151. physics

    what caused a little puddle of water to appear under the syringe tip after ten minutes in the sun?

    asked by Hannah
  152. Reading

    Is these answers correct? devoid infuriate jeopardize smug implore intimidate sibling sneer introvert vivacious 1-2. The people I love best can __me the most. No one can make me as angry as my parents and__s can. I guess close relationships are conducive

    asked by Fred
  153. algebra

    Convert the metric measurements into inc,correct to the nearest inc.C)4.2m

    asked by Anonymous
  154. MATHS COLLEGE. MONGU

    one to increased costs the labour charge of a certain establishment from $1.20 to $1.40 per hour .what is the percentage increase.

    asked by BAROTSELAND NETWORK
  155. science/math

    Kelly hiked a total of 4 miles in 80 minutes. How fast was Kelly walking.

    asked by Halle
  156. MATHS MONGU COLLEGE

    Express (a) 50 km/hour mm/s. (b) 60 litres in m3 cube if 1 litre = 0.001m3.

    asked by BAROTSELAND NETWORK
  157. sociology

    hat social policies would be likely to be recommended by sociologist who favored Merton's strain theory in order to reduce property crime by the poor?

    asked by Anonymous
  158. MATHS MONGU COLLEGE

    A cylinder whose volume is 386,000m3 has it's length 1.3 times its diameter. calculate the diameter of the cylinder given that the volume V = 3.142r2h.

    asked by barotseland network
  159. maths help please

    Find the largest four digit number which has a total of exactly 3 factors. Assuming that 1 and the number itself are factors

    asked by me
  160. math

    2/3(6x + 12)simply the expression My answer is 12x + 24 am i right or wrong

    asked by Miki
  161. Science

    George walks 3 km on Monday and 4 km of Tuesday and 2.5 km on Thursday. On Monday, he walks 25 mins., Tuesday 40 mins., and Thursday 30 mins. What is his average speed? d= t= help please

    asked by Megan
  162. Math

    A garden has 10 equal rows. Two rows have beans, 1 row has lettuce, 3 rows have squash, and 4 rows have tomatoes. What part of the garden is beans? My answer is 0.2, or 2/10. Is this correct

    asked by Mike
  163. math

    if the area of a small rectangle is sick square feet in the dimensions are doubled then what is the area of a large rectangle explain

    asked by yuana
  164. physics

    two springs of constants 2.0*10^3 Nm and 3.0*10^3 Nm are connected in tandem, and a mass of 5.9kg hangs vertically from this spring. 1.) by what amount does the mass stretch the combined string? 2.) By what amount does the mass stretch each individual

    asked by Sneakatone
  165. books

    in the novel hotzone,When Peters travels to exotic locales, what does he enjoy doing?

    asked by Anonymous
  166. English

    I have the words grit, ingrained, meteoric parody, prevail, and sleuth left The old custom of celebrating the Fourth of July with a fireworks display still ___ in many towns meteoric

    asked by Jerald
  167. math

    For what value of x is the following true? log(x+4)=logx+log4

    asked by Rachel
  168. Physics

    a 0.67 kg rubber ball has a speed of 2.2 m/s at point a and kinetic energy 7.1 J at point B find the total work done on the ball as it moves from a to b

    asked by Brittany
  169. Math

    George walks 3 km on Monday and 4 km of Tuesday and 2.5 km on Thursday . On Monday, he walked 25 mins., Tuesday 40 mins., and Thursday 30 mins. What is his average speed? t= D=

    asked by James
  170. math

    rectangular prism with a volume of 72 cubic inches; sum of the 3 lengths is 13; width is half of the height; the length is one more than the width what are the dimensions of the rectangular prism

    asked by jennifer
  171. Reading

    Is these answers correct? condone, pathetic, feign, precedent, comtemplate gape furtive feasible, fiscal, punitive 1-2. "Would it be__ for us to buy a new copy machine?" Hal asked at the office budget meeting. The boss replied, "Unfortunately, our

    asked by Fred
  172. Physics

    a 0.67 kg rubber ball has a speed of 2.2 m/s at point a and kinetic energy 7.1 J at point B find the total work done on the ball as it moves from a to b

    asked by Brittany
  173. math

    The period of a pendulum can be found by using the formula,where L is length of the pendulum in feet and P is the period in seconds.Find the period of a 15-foot pendulum. Round your answer to the nearest hundreth of a second.

    asked by karen
  174. Physics

    I'm having trouble with motion graphs. How do you go from an acceleration-time graph to a velocity-time graph or displacement time graph? I know that to go from v-t to a-t I just take the slope of the v-t graph, but how do you do it the other way around?

    asked by a Canadian
  175. question

    hi one question says what was the sighificance of the 1830 race involving the Tom Thumb locomotive?

    asked by juju
  176. math

    find volume in cubic feet of right rectangular prism 3 1/2ft, 8 ft, 2 3/8

    asked by Jada
  177. English

    grit, meteoric, and parody is left The rock singer enjoyed a sudden ____ rise in popularity but his career faded just as quickly as it had blossomed meteoric Even though so many people were criticizing and ridiculing him he had the ____ to continue doing

    asked by Jerald
  178. Finance

    Please help me,math word problems make my brain go crazy. Some friends are urging you to chip in with them to buy a vacant parcel og land on the outskirts of your city. A one-fourth interest would cost you $10,000.Total annual expenses on the property are

    asked by Sara
  179. Chem

    The National Institute of Science and Technology (NIST) kinetics database lists the rate constant, k, of a particular gaseous reaction as 5.78× 10–10 cm3·molecule^–1·s^–1 at 298 K. Convert this constant, k, to torr^-1 X S^-1.

    asked by Ann
  180. maths help

    Find the largest four digit number which has a total of exactly 3 factors. Assuming that 1 and the number itself are factors

    asked by me
  181. maths very important question

    Find x and y such that x^3 + y^3 = 1729

    asked by me
  182. math

    1/2 of students like baseball 1/8 like basketball 1/3 likes football, so the rest like hockey how many are left that likes hockey?

    asked by cass
  183. maths very important question

    Find a and b greater than zero such that a^2 = b^3

    asked by me
  184. english

    what are topic sentences and transitions? please tell me and let me know and if you can help me i thank you very much bye oh and please give me the anwsers too so i can get it for the test

    asked by juju
  185. math

    As a a test of a new measurement process, 10 measurements are made on pieces of glass known to have conductivity 1. The average of the 10 measurements is 1.07. Indicate whether 1 and 1.07 is a parameter or statistic and explain why. I know 1.07 is a

    asked by please help
  186. MATH0098

    The perimeter of a rectangle is 58yd , and the area of the rectangle is 54yd . Find the dimensions of the rectangle. Length: Width:

    asked by Anonymous
  187. Pre-calculus

    fraction 1) 5/12+7/18-5/6 2) 3x/x-1-1/x=_____/x^2-1x 3) x+1/x^2-5x+6-3x+11/x^2-x-6= 4)2x^2-3x-1 5) 3x^2+2x-2 6) x^2-3x-9 4-5 with formula -B+_sqrt(B)^2+(-4)(A)(C)/2A please help!

    asked by Isis
  188. Math

    5 divided by 1/3

    asked by Kim
  189. Math

    Terry is planting a garden. The garden is 10 1/2 yards long and 8 yards wide. What is the area of the garden?

    asked by Kim
  190. Math

    What even number has a 7 in the hundreds place, and odd number in the thousands place ?

    asked by Kyla
  191. calculus

    Show that ln(4+x) is the sum of its Taylor Series for -2

    asked by Zac
  192. Algebra - volume

    I can't draw the shape here, but the picture is of a 3-sided pyramid. One side of the base is 10", another side of the base is 3", and the height is 15". I need to find the volume and round to the nearest whole number.

    asked by Sylvia
  193. Math

    10 1/3 x 8

    asked by Kim
  194. Spanish: Please Help

    Please help. Thank You. Which is the correct choice? ¿Cuál es la fecha de tu cumpleaños? A.) Es el uno de diciembre. B.) Es el primero de diciembre. C.) Es el primo de diciembre. D.) Es la primavera de diciembre. Which choice is correct? ¿Cuántos

    asked by sarah
  195. Algebra - area

    I hope I can explain this. I can't draw the shape here, but it is a triangular prism that looks like a wedge of cheese. The height is 20 cm and the three sides are 13, 37, and 40 cm. There is also a line drawn from the corner of the two sides that are 13

    asked by Sylvia
  196. MATH0098

    The length of a rectangle is 3ft more than twice its width, and the area of the rectangle is 54ft^2 . Find the dimensions of the rectangle. The other problem worked but how do you SOLVE it. I need to be able to do similar problems. I know the factors

    asked by Anonymous
  197. math

    solve for x ((sqrt(lnx))/(ln(sqrt(x))))=6

    asked by Rachel
  198. Applied Calculus

    Find the third derivative of the function: g(t)=square root of 7t+5

    asked by Jacob
  199. Chem 221

    I know during the preparation of synthetic banana oil the gas that was released was CO2, but what are the balanced equations for two reactions that took place during the operation?

    asked by Jazzmine
  200. statistics

    Using the average and standard devation for length variable from problem 3,find the probability that the length of 35 movies is less than 120 minutes. Assume the distribution is normally distributed. interpret your result.

    asked by kat
  201. chem 221 #2

    Describe and explain how each of the following experimental errors or variations might affect your results. (a) You forgot to add sulfuric acid b. You left out the sodium bicarbonate washing step c. Your thermometer bulb was 1 cm higher than it should have

    asked by Jazzmine
  202. chem 221 #3

    during the preparation of synthetic banana oil lab. Calculate the amount of isopentyl acetate that should be present in the reaction mixture at equilibrium based on 300 mmol of acetic acid and 150 mmol of isopentyl alcohol as starting quantities. Use

    asked by Jazzmine
  203. maths

    A box of mass 3 units rests on a horizontal rough surface and is tied to the end of a rope. Peter pulls on the rope and exerts a force of magnitude sqrt(2g) with the rope making an angle of Pi/4 with the horizontal. Given that the box is on the point of

    asked by jenny
  204. geometry

    this rectangular prism is 120 miles in length, 20 miles in width, and 800 feet deep what is the volume????!!?

    asked by emma
  205. maths

    A particle of mass m rests on a rough inclined surface at an angle Pi/6 to the horizontal. When a force of magnitude P is applied parallel to the surface pointing up the slope, the particle is on the point of slipping down the slope, whereas when a force

    asked by LIZZIE
  206. Spanish: Please Help

    Please help. Thank You Which is the best answer for this question? ¿Cuántos años tiene Jaime? A.) Tienes quince años. B.) Tengo quince años. C.) Tiene quince años. 22. Las Mañanitas is A.) a special cake eaten at birthday celebrations. B.) the name

    asked by sarah
  207. Math 8 - HELP!!!!!

    Ratio, Proportions, and Similarity Similar Figures A room is 36 ft long and 18 ft wide. What is the length to width ratio?

    asked by Laruen
  208. Chem

    Calculate the pH of a .50 M solution of NaCl.

    asked by Anna
  209. Applied Calculus

    Let f(x) = −x2 + ax + b. Determine the constants a and b such that f has a relative maximum at x = 2 and the relative maximum value is 13.

    asked by Jacob
  210. Math

    I got stuck on 250 floz=L

    asked by Yola
  211. math

    43. What is an equation of the circle that has its center at the origin and is tangent to the line y=3x 7?

    asked by Shelyn Yang
  212. college algebra

    Transformation f ty transform graph y=x^2 or y=|x| graph for f by hand f(x)=2|x-6|-4

    asked by Anonymous
  213. math

    solve for x: x=9^(logbase9(5)+logbase9(9)) Note: Your answer must be exact and in simplest form

    asked by Rachel
  214. college algebra

    I need to graph y=2f(x+2)-3 and then graph f(-x) Where do I start?

    asked by Anonymous
  215. Math 8 - Qs. Check

    Ratio, Proportions, and Similarity Similar Figures The White House, built 1792, is the oldest federal building in Washington, D.C. The building has undergone extensive remodeling over the years. The main building is four stories high and is about 170 ft

    asked by Laruen
  216. SCIENCE

    what are the benefits of copper to the industry, economy, and society? what are all the organisms that are affected by copper? what is meant by the term Bioaccumulation? Include the names of any organisms that are affected and how they are affected by

    asked by LOUIS
  217. Algebra

    T o convert from X degrees centigrade to y degrees fahrenheit the function is f(x) 9/5x +32 find the inverse function f of negative 1. what does the inverse function represent? graph Help me!

    asked by Lori
  218. college algebra

    I need to graph y=2f(x+2)-3 and then graph f(-x) Where do I start?

    asked by Anonymous
  219. social studies

    what injuries did they get in the lowell Massachusetts textile mills ? what did the implorers do about it ?

    asked by sara
  220. Math

    Altogether 178 people attended the feast. There were 44 more men than women who came. How many men and how men women attended?

    asked by John
  221. Math

    Invitations were sent one week before the big event. Replies started coming in the following Monday. On Tuesday 2 more replies had been received than on Monday. On Wednesday, 11 more than one half the number of replies received on Monday were received, If

    asked by Trent
  222. Physics

    What is the spring constant of a spring that stores 25 J of elastic potential energy when compressed by 6.0 cm from its relaxed length?

    asked by Rachel
  223. writing

    For my writing, it has to be a three paragraph essay.I have to include 2 differences and 1 similarity about 4th grade vs. the 5th grade. How do I start my paragraph?

    asked by Celest
  224. biology

    The frequency of the sickle cell disease in parts of Central Africa is as high as 10 percent compared to a frequency of .5 percent in the US. Use the percentages for the Central Africa population and the US population to calculate the frequency of the

    asked by Sarah
  225. TO MS SUE

    ms sue I got most of the answers but im stuck on this one, can you just tell me the answer, it will save my time and help me A LOT : what organisms are affected by copper? this is all i need, thanks :)

    asked by LOUIS
  226. English: Please help

    17. If you want to find the answer to a question about grammar, usage, or mechanics for your formal writing, which professional resource would not be helpful? A.) Essential Idioms in English B.) The Chicago Manual of Style C.) A Manual for Writers of

    asked by sarah
  227. Math

    142 differet dishes of vegetables and fruits were prepared. If 42 more vegetable dishes were prepared than fruit dishes how many dishes of each kind were served?

    asked by Trent
  228. aCCOUTNING

    explain how improperly counting ending inventory affects the income statement and the balance sheet

    asked by roger
  229. Spanish

    Can you please unscramble the work in Spanish with the letters RACHAAMR

    asked by Portia
  230. Science

    What are the types of ploughing?

    asked by Juanita
  231. math

    At Newport Dunes, it costs $15 to rent a paddleboard, plus $2 for each hour. Over a Balboa Bay club, the members can rent a paddleboard for only $10, but have to pay $4 for each hour. After how many hours would the paddleboards cost the same amount? Please

    asked by ki
  232. Probabilities Help

    The probability that an individual egg in a carton of eggs is cracked is 0.05. You have picked out a carton of 1 dozen eggs (that’s 12 eggs) at the grocery store. Determine the probability that at most two of the eggs in the carton are cracked

    asked by Laurie
  233. Probabilities Help

    The probability that an individual egg in a carton of eggs is cracked is 0.05. You have picked out a carton of 1 dozen eggs (that’s 12 eggs) at the grocery store. Determine the probability that at most two of the eggs in the carton are cracked

    asked by Laurie
  234. chem please help urgent due tomorrow

    I am having trouble on this please help Indicate which of these statements is true? For those that are false,.explain why a) addition reactions always involve compounds with multiple bonds b) all addition reactions produce polymers, but not all polymers

    asked by London
  235. Probability

    The probability that an individual egg in a carton of eggs is cracked is 0.05. You have picked out a carton of 1 dozen eggs (that’s 12 eggs) at the grocery store. Determine the probability that at most two of the eggs in the carton are cracked

    asked by Laurie
  236. Chemistry

    At 627ºC, sulfur dioxide and oxygen gases combine to form sulfur trioxide gas. At equilibrium, the concentrations for sulfur dioxide, oxygen, and sulfur trioxide gases are .0060M, .0054M, and .0032M, respectively. a. Write a balanced equation for the

    asked by dauntedorange
  237. math

    For a fundrasier, the Best Buddies club sold t-shirts. The adult shirts were $15 per shirt and the youth shirts were $12 per shirt, and they made a total of $330 on the shirts. If they sold a total of 26 shirts, how many of each did they sell? I don't

    asked by ANNIE
  238. Physics

    In the figure below, a small block of mass m = 0.034 kg can slide along the frictionless loop-the-loop, with loop radius 8 cm. The block is released from rest at point P, at height h = 7R above the bottom of the loop. (For all parts, answer using g for the

    asked by Rachel
  239. Algebra/Math

    Can you show work por favor? :) A metalworker has a metal alloy that is 20% copper and another alloy that is 60% copper. How many kilograms of each alloy should be combined to create 80 kg of a 53% copper alloy?

    asked by Anon
  240. algebra

    lura has 4 yards of material.she is making clothes for her doll. each dress requires 1/6 yards of material. how many dresses will she be able to make?

    asked by jo
  241. Geometry

    In the diagram, is an altitude drawn in trapezoid DEFG, DE = 10, EF = 9, FG = 8, and GD = 15. What is mÐD to the nearest degree? 37 53 60 80

    asked by Taylor
  242. Similarity

    What is one similarity between 4th grade and 5th grade?

    asked by Celest
  243. chemistry dilution

    Given VLP with concentration 200ug/mL, dilute to 3ug/100ul. Please help me with this; many thanks

    asked by Reese
  244. SCIENTIFIC NOTATION (ALGEBRA

    WHAT IS THE SCIENCTIFIC NOTATION OF 9,040,000,000

    asked by NEED HELP
  245. Physics

    In the figure below, a runaway truck with failed brakes is moving downgrade at 114 km/h just before the driver steers the truck travel up a frictionless emergency escape ramp with an inclination of 15°. The truck's mass is 5000 kg. (a) What minimum length

    asked by Rachel
  246. Physics

    How long in seconds does it take for a car accelerating at 3.5m/s2 to go from rest to 120km/hr

    asked by Ronnie
  247. science

    What is an automatic nerve response?

    asked by Sherica
  248. Physics

    A particle is moving along the x-axis subject to the potential energy function U(x) = a(1/x) + bx2 + cx – d, where a = 6.00 J m, b = 26.0 J/m2, c = 3.00 J/m, and d = 26.0 J. Determine the x-component of the net force on the particle at the coordinate x =

    asked by Thomas
  249. Chem

    A solution is made by dissolving 26.9 g of NaOH in approximately 450 mL of water in a volumetric flask. The solution becomes quite warm, but after it is allowed to return to room temperature, water is added to total 500 mL of solution. Calculate the pH of

    asked by Anonymous
  250. science

    Imagine that you fill a bucket to the top with water and then place the bucket outside in freezing weather. Which of the following describes what will happen when the water in the bucket freezes? A. The level of the water and the bucket itself will not be

    asked by Batman
  251. Physics

    A 44 kg skier starts from rest at a height of H = 18 m above the end of the ski-jump ramp. As the skier leaves the ramp, his velocity makes an angle of 28° with the horizontal. Neglect the effects of air resistance and assume the ramp is frictionless. (a)

    asked by Rachel
  252. math

    Lee buys a computer and a printer for $2,028. The printer costs 30% of the price of the computer. What is the price of the computer?

    asked by Kammi
  253. Chemistry

    Consider the reaction 3Fe(s) + 4H2O(g) ¨ 4H2(g) + Fe3O4(s). If the volume of the container is reduced, 1. more Fe(s) is produced. 2. no change occurs. 3. more H2O(g) is produced. 4. more H2(g) is produced. 5. the equilibrium constant increases.

    asked by Ashley
  254. math

    The pizza restuarant has a special off today: 3 pizzas for $25. The soccer team is ordering pizza, if each player eats 1/4 pizza, how many players will 3 pizzas serve?

    asked by Freddy
  255. chemistry

    determine h30+ in M, of 10.00ml of .100M NaOH after adding 10.00ml of indicator solution?

    asked by tina
  256. Physics

    You push a block of mass m against a horizontal spring, compressing the spring a distance x. Then you release the block, and the spring sends it sliding across a tabletop. It stops a distance d from where you release it. Let k be the spring constant. What

    asked by Rachel
  257. US history

    Why point did Elizabeth Cady Stanton make by drafting her de pertain in the style of the Declaration of independence? What other aggrieved people in the Unite States might want to make the same point?

    asked by Darcy
  258. Math

    A pizza was cut into 6 slices. Ben ate 1/3 of the pizza. How many slices did he eat?

    asked by Lexi
  259. Chemistry

    Calculate the mass of baking soda, NaHCO3, needed to neutralize 3.0 mL of 3.0 M hydrochloric acid, HCl(aq). Ok, so I'm super confused. I have the equation, but I'm stuck with what to do with it. Equation: NaHCO3 + HCL --> NaCl + H2O + CO2

    asked by Sarah
  260. math

    As a a test of a new measurement process, 10 measurements are made on pieces of glass known to have conductivity 1. The average of the 10 measurements is 1.07. Indicate whether 1 and 1.07 is a parameter or statistic and explain why. I know 1.07 is a

    asked by Please help
  261. Science

    In the following reaction, how many liters of oxygen will react with 270 liters of ethene (C2H4) at STP? C2H4(g) + 3O2(g) ---> 2CO2(g) + 2H2O(g) The volume of one mole of gas at STP is 22.4 liters.

    asked by Russell
  262. TO MS SUE

    Also Ms.Sue can you try and find me food web of the organsims affected my copper because I also need that in my project. A picture woule be great.

    asked by LOUIS
  263. Math

    Stacey drew a triangle on a coordinate plane. She wrote down the ordered pair for each vertex. How many ordered pairs did she write down?

    asked by Helen
  264. Chemistry

    How much 5M KOH must be added to 1.0 L of 0.1M glycine (pKa 9.6) at pH 9.0 to bring its pH to exactly 10.0?

    asked by Cristian
  265. Algebra

    I hope I can explain this. I can't draw the shape here, but it is a triangular prism that looks like a wedge of cheese. The height is 20 cm and the three sides are 13, 37, and 40 cm. There is also a line drawn from the corner of the two sides that are 13

    asked by Sylvia
  266. Math

    A pizza was cut into 6 slices. Ben ate 1/3 of the pizza. How many slices did he eat?

    asked by Lexi
  267. analytic geometry helps are appreciated

    A line with slope 3 is 2 units away from the origin. Find the area of the triangle formed by this line and the coordinate axes. How is this even going to be done? We are given little info but a bunch of variables. Could someone help please??

    asked by Knights
  268. economincs

    The price elasticity of demand for imported whiskey is estimated to be −0.20 over a wide interval of prices. The federal government decides to raise the import tariff on foreign whiskey, causing its price to rise by 20 percent. a. Will the quantity

    asked by k
  269. physics

    You are the stunt director for a testosterone-laden action movie. A car drives up a ramp inclined at 10.0° above the horizontal, reaching a speed of 40.0 m/s at the end. It will jump a canyon that is 101 meters wide. The lip of the takeoff ramp is 201

    asked by Anonymous
  270. Math

    Mr Shea saved $2500 in April. His monthly salary is two times the amount he saved in April. In May, he saved a certain amount of money. He spent $4200 more than the amount he saved. How much did he save in May? Please explain in easy to understand

    asked by Liz
  271. math

    Solve and check each equation. 5 - y/2 = 3

    asked by peter
  272. Chemistry calorimeter.. please help!

    A coffee cup calorimeter contains 100ml of .200M H2SO4 at 22.3 degrees Celsius. When 2.16g Mg is added, the temperature rises to 36.3 degrees Celsius. What is the heat of the reaction per mole Mg? Please help and show steps. Much appreciated :)

    asked by samantha
  273. ap chemistry

    Arrange the bases I) deuterated ammonia (ND3) Kb = 1.1 × 10−5; II) hydrazine (NH2NH2) Kb = 1.7 × 10−6; III) hydroxylamine (NH2OH) Kb = 1.1 × 10−8; IV) ammonia (NH3) Kb = 1.8 × 10−5; in decreasing order of strengths.

    asked by cheri
  274. math

    Use the distributive property to simplify the following expressions. 1. 5 ( n + 7 ) 2. 3 ( w - 6 )

    asked by Johnny
  275. Math

    Mr Shea saved $2500 in April. His monthly salary is two times the amount he saved in April. In May, he saved a certain amount of money. He spent $4200 more than the amount he saved. How much did he save in May? Please explain in easy to understand

    asked by Liz
  276. math

    How many chickens and rabbits are in the yard if you have 18 heads and 58 feet

    asked by coby
  277. MATH HELP NEEDED PLEASE!

    solve for x ((sqrt(lnx))/(ln(sqrt(x))))=6

    asked by Rachel
  278. Geometry

    In acute triangle ABC, we have \angle CAB = 34 ^\circ . E is the foot of the perpendicular from B to AC. A point H is on BE is chosen, and X is the foot of the perpendicular from H to AB. What is the measure (in degrees) of \angle EHX?

    asked by John
  279. Sampling Distribution Complete solutions and illus

    Sampling Distribution Complete solutions and illustrations are required. 1.The average annual salary for all U.S. teachers is $29,863. Assume that the distribution is normal and the standard deviation is $5,200. a.Find the probability that a randomly

    asked by Rhea
  280. Sampling Distribution

    Sampling Distribution Complete solutions and illustrations are required. 2.In a study of life expectancy, it was found that the mean age at death in the Philippines was 72 with a standard deviation of 5.8 years. If a sample of 50 Filipino people is

    asked by Rhea
  281. chemistry

    How many liters of 2.09 HCl solution would be needed to prepare 1.14 L of 0.69 M HCl solution?

    asked by Isaiah
  282. Sampling Distribution

    Sampling Distribution Complete solutions and illustrations are required. 3.The mean systolic blood pressure of normal adults is 120 millimeters of mercury (mm Hg) and the standard deviation is 5.6. Assume that the variable is normally distributed. a.If an

    asked by Dre
  283. Sampling Distribution

    Sampling Distribution Complete solutions and illustrations are required. 4.The average breaking strength of a certain steel cable is 2000 pounds, with a standard deviation of 100 pounds. A sample of 20 cables is selected and tested. Find the sample mean

    asked by Tina
  284. Sampling Distribution

    Sampling Distribution Complete solutions and illustrations are required. 5.The standard deviation of a variable is 15. If a sample of 100 individuals are selected compute for a.The standard error of the mean. b.What sample size is necessary to double the

    asked by Tina
  285. general chemistry College

    Which of the following mixture would be most likely to produce carbon dioxide? Explain Why? a. magnesium and nitric acid: Mg+ HNO3 b. sodium carbonate and sufuricacid: Na2CO3+H2SO4 c. H2O+ Cu

    asked by Donn
  286. general chemistry College

    Which of the following mixture would be most likely to produce carbon dioxide? Explain Why? a. magnesium and nitric acid: Mg+ HNO3 b. sodium carbonate and sufuricacid: Na2CO3+H2SO4 c. H2O+ Cu

    asked by Donna
  287. ap chemistry

    Given the following information, which of the following shows the acids in order from strongest to weakest? The order of atomic radii is I > Br > Cl, the order of bond strengths is HOI > HOBr > HOCl, and the order of electronegativities is Cl > Br > I.

    asked by cheri
  288. general chemistry

    When divers exhale beneath the surface of the water, bubbles rise to the surface. Explain this behavior.

    asked by Donna
  289. programming logic and design

    The Daily Gazette accepts classified ads in several categories. For most ads, the newspaper charges 10 cents per word for the first 50 words, and 8 cents per word for every word after that. Design a flowchart for a program that accepts data about an ad:

    asked by ashlee
  290. Physical Science

    Find the change in the force of gravity between two planets when their masses remain the same but the distance between them is increased by 10 times.

    asked by Kelly
  291. Math Please Help

    Show that the central cell of a normal magic square of the third order must be occupied by 5. Show that in a normal magic square of the third order 1 can never occur in a corner cell.

    asked by Barb
  292. Solving Rational Equations

    4x/x-5=8/5-x

    asked by austin
  293. math 5

    During an art context at your school, you and a classmate each won blue ribbons for 1/3 of the pieces you entered in the contest. You won 2 blue ribbons and your classmate won 3 blue ribbons. Explain how this could be

    asked by Savannah
  294. satistics

    assume the probability that an electronic device will have a type 1 defect is 1% and the probability that it will have a type 2 defect is 2%. given that these two defects are not independent ,what is the probability that an item randomly selected has both

    asked by natalie
  295. writing help

    What are the steps for RAINBOW EDITING?? thanks

    asked by juju
  296. algebra

    The length of a rectangle is 10 in less than twice its width. if the area is 2160 what are the dimensions?

    asked by marilu
  297. chem

    a gas has a volume of 95 ml at a pressure of 700 torr and temp of 77C what volumn will this gas occupy at stp

    asked by Anonymous
  298. Physics

    Recently, Asteroid 2012 DA14 came within 34,200 km from the center of the earth at its point of closest approach. If the moon goes around the earth once every 27.5 days, what is the ratio of the distance of closest approach of DA14 to the radius of the

    asked by John
  299. Physics

    A rock is dropped from a height of 100 meters above the ground. One second later, a ball is thrown vertically downwards, from the same height, with an initial speed of 13 m/s. How long after the ball is thrown will the two objects be at the same location

    asked by Cristian
  300. Physics

    A rock is dropped from a height of 100 meters above the ground. One second later, a ball is thrown vertically downwards, from the same height, with an initial speed of 13 m/s. How long after the ball is thrown will the two objects be at the same location

    asked by Cristian
  301. ECONOMICS

    solution:the total cost function of a firm is given by C=.04q^3-.9 q^2+10q+10.find slope of average cos?

    asked by NISHAT