Questions Asked on
January 26, 2013

  1. General Chemestry

    A galvanic (voltaic) cell consists of an electrode composed of chromium in a 1.0 M chromium(II) ion solution and another electrode composed of gold in a 1.0 M gold(III) ion solution, connected by a salt bridge. Calculate the standard potential for this

    asked by Anonymous
  2. AP Chemistry

    Water is being electrolysed in the presence of a non-reactive electrolyte under standard conditions. If 2.5 amperes of current flows through the circuit for 13.6 minutes at 25 degrees celsius and 1 atmosphere, what volume of hydrogen gas is produced?

    asked by Toni
  3. Math

    How do I solve 14 T 1,000 lb + 2 T 1,000 lb ?

    asked by Moby
  4. Vector Calculus

    An airplane is traveling in the direction 20degrees west of north at 700 km/hr. Find the component form of velocity of the airplane assuming that the positive x-axis represents due east and the positive y-axis represents due north.

    asked by Melissa
  5. Chemistry

    Using chemical equations, show how the triprotic acid H3PO4 ionizes in water. Phases, such as (l) or (aq), are optional.

    asked by Debbie
  6. Statistics

    A population has a mean of   30 and a standard deviation of   5. a. If 5 points were added to every score in the population, what would be the new values for the mean and standard deviation? b. If every score in the population were multiplied by 3 what

    asked by Nickie
  7. chemistry

    Assignment 1 Question Consider a monohydrogen phosphate ( HPO42-) and dihydrogen phosphate (H2PO4-) buffer solution. [HPO42-] = 0.063M [H2PO4-] = 0.10M What happens when you add 1.0 ml of 0.10 M HCl to the a 99ml solution? What would the pH of the solution

    asked by anonymous
  8. maths

    A milk tanker cylinderical in shape having a diameter of 2m and height 4.2m supplies milk to the two booths in the ratio3:2 .One of the milk booths having arectangular base area of 3.96 sq. m and the other has a cylinderical vessel having diameter of 2m.

    asked by Anonymous
  9. Legal Writing

    I am asked to write and internal office memo to my supervising attorney that advises of the results of my research on a given topic and applies the law to the facts in my case. I have attached the exercise along with my draft internal memo. Can someone

    asked by Ang
  10. Physics

    A red ball is thrown down with an initial speed of 1.3 m/s from a height of 28.0 meters above the ground. Then, 0.6 seconds after the red ball is thrown, a blue ball is thrown upward with an initial speed of 24.7 m/s, from a height of 0.8 meters above the

    asked by Funnyguy
  11. physics

    A small ferryboat is 4.00 m wide and 6.00 m long. When a loaded truck pulls onto it, the boat sinks an additional 4.50 cm into the river. What is the weight of the truck?

    asked by monic
  12. PHYSICS

    Two wires have the same cross-sectional area and are joined end to end to form a single wire. The first wire has a temperature coefficient of resistivity of α1 =0.00603 (C°)-1 and a resistivity of 5.00 x 10-7Ω m. For the second, the temperature

    asked by PLEASE HELP
  13. physics

    Firemen are shooting a stream of water at a burning building. A high-pressure hose shoots out the water with a speed of 24.0{\rm m}/{\rm s} as it leaves the hose nozzle. Once it leaves the hose, the water moves in projectile motion. The firemen adjust the

    asked by corrina
  14. math

    The English Alphabet has 20 letters more than one−fourth the number of letters in the Greek Alphabet. The English Alphabet has 26 letters. Which of the following equations would you use to find the number of letters, g, in the Greek Alphabet?

    asked by Anonymous
  15. Math 9 algebra

    A mechanic charges $70 an hour plus the cost of parts to repair a vehicle. The parts cost $215 for the repair on Tamara's car. A) write an expression for the total cost, C, of repairing Tamara's car for any numbers of hours, n. B) use the expression you

    asked by Molly
  16. French

    I'm stuck on these two questions regarding indirect object pronouns. for the first question would it be.. je s 'achète des gants.(à ta mère et à toi, Célia). For the second question: would it be.. Célia se achète un pantalon. (à moi)

    asked by nemo
  17. physics

    (a) Calculate the mass flow rate (in grams per second) of blood (ρ = 1.0 g/cm3) in an aorta with a cross-sectional area of 2.0 cm2 if the flow speed is 35 cm/s. g/s (b) Assume that the aorta branches to form a large number of capillaries with a combined

    asked by monic
  18. Physics

    2 spheres of radii 10cm and 20cm contains charges 10microcoulomb and 20 micro coulomb respectively.they are separated by a distance 100cm.Where will the electric field be zero?

    asked by Febamol Babu
  19. age problem (math)

    Nila is now x years old. 3 years ago, her brother ricky was twice as old as she. Write ricky's age 10 years from now in terms of x. (with solution pls... thanks...)

    asked by HELP HELP HELP MNHS
  20. business law

    Fred and Wilma are neighbors. Every morning Fred walks his dog spike by Wilma's house, and almost every morning Spike poops in Wilma's yard. A city ordinance requires that dog oners must keep their dogs on a leash, but Fred never uses a leash while walking

    asked by mary
  21. chemistry

    a sample of sulphuric acid is 95.7% by mass and has a density of 1.84g/cubic cm.calculate the mass of pure H2SO4 in a 2.00L bottle and volume of acid that contain 200g of pure H2SO4.

    asked by grace
  22. Calculus

    Determine the line through which the planes in each pair intersect. a) 3x+2y+5z=4 4x-3y+z=-1

    asked by May
  23. Physics

    A long, thin rod (length = 4.0 m) lies along the x axis, with its midpoint at the origin. In a vacuum, a +5.0 µC point charge is fixed to one end of the rod, while a -5.0 µC point charge is fixed to the other end. Everywhere in the x, y plane there is a

    asked by Amy
  24. Math

    Rainbow Harbor Cruises charges $16/adult and $8/child for a round-trip ticket. The records show that, on a certain weekend, 900 took the cruise on Saturday and 600 took the cruise on Sunday. The total receipts for Saturday were $12,800, and the total

    asked by Bersy
  25. physics

    A child and sled with a combined mass of 47.8 kg slide down a frictionless hill that is 7.18 m high. If the sled starts from rest, what is its speed at the bottom of the hill?

    asked by Rachel Laurson
  26. physics

    Water flowing through a garden hose of diameter 2.73 cm fills a 25.0-L bucket in 1.20 min. (a) What is the speed of the water leaving the end of the hose? m/s (b) A nozzle is now attached to the end of the hose. If the nozzle diameter is one-third the

    asked by monic
  27. Physics

    A 2.1 kg ball is attached to a ceiling by a string. The distance from the ceiling to the center of the ball is 1.20 m, and the height of the room is 3.00 m. (a) What is the gravitational potential energy associated with the ball relative to the ceiling?

    asked by Drew Meryll
  28. physics

    A plane designed for vertical takeoff has a mass of 9.0 103 kg. Find the net work done by all forces on the plane as it accelerates upward at 11.3 m/s2 through a distance of 34.8 m after starting from rest.

    asked by Jayde Larson
  29. Physics

    A +2 uC and a +10 uC are 3cm apart a) Find the electrostatic force between the charges b) If the charges are brought together and touched, what would be the charge on each one? c) These spheres are then moved 3 cm apart. What would be the force between

    asked by Betty
  30. Math

    Rainbow Harbor Cruises charges $16/adult and $8/child for a round-trip ticket. The records show that, on a certain weekend, 900 took the cruise on Saturday and 600 took the cruise on Sunday. The total receipts for Saturday were $12,800, and the total

    asked by Bersy
  31. physics

    A batted baseball leaves the bat at an angle of 26.0^\circ above the horizontal and is caught by an outfielder 355{\rm ft} from home plate at the same height from which it left the bat. What was the initial speed of the ball? How high does the ball rise

    asked by anonymous
  32. physics

    A flight attendant pulls her 66 N flight bag a distance of 318 m along a level airport floor at a constant velocity. The force she exerts is 43 N at an angle of 52° above the horizontal. (a) Find the work she does on the flight bag. (b) Find the work done

    asked by Brianna Smith
  33. Physics

    A light plane attains an airspeed of 491 km/h. The pilot sets out for a destination 785 km due north but discovers that the plane must be headed 20.5° east of due north to fly there directly. The plane arrives in 2.25 h. What was the magnitude of the wind

    asked by Nicole
  34. Finance

    Ken Braden estimates that taking some classes would result in earning $3,500 more a year for the next 30 years. Based on an annual interest rate of 5 percent, calculate the future value of these classes.

    asked by JRod
  35. marketing

    The total profit approach to evaluating possible product-market strategic plans: a. is the best approach to use. b. cannot be used to compare possible plans unless they are very similar. c. may support a plan that is not the most profitable in the short

    asked by Andrew
  36. statistic

    In a population of exam scores, a score of X  48 corresponds to z1.00 and a score of X  36 corresponds to z  –0.50. Find the mean and standard deviation for the population. (Hint: Sketch the distribution and locate the two scores on your sketch.) A

    asked by Nickie
  37. math liberal arts

    A piece of land in Ottawa with an area of 0.4 square kilometers is priced at 5600 Canadian dollars. If there are 1.358 Canadian dollars per (U.S.) dollar, then what is the price in dollars per squaremile?

    asked by Anonymous
  38. marketing

    Overall company objectives should: a. be specific. b. focus on returning some profit to the business. c. be realistic and achievable. d. be compatible with one another. e. all of the above.

    asked by Andrew
  39. cost/managerial

    andromeda company's break even point is 2,400 units. variable cost per unit is $42; total fixed costs are 67,200 per year. what price does andromeda charge?

    asked by delia
  40. physics

    The total cross-sectional area of the load-bearing calcified portion of the two forearm bones (radius and ulna) is approximately 2.0 cm2. During a car crash, the forearm is slammed against the dashboard. The arm comes to rest from an initial speed of 80

    asked by monic
  41. algebar

    A rectangle is 5 times as long as it is wide. If the area is 125 square feet, find its perimeter.

    asked by brenda
  42. physics

    In a circus performance, a monkey on a sled is given an initial speed of 4.0 m/s up a 32° incline. The combined mass of the monkey and the sled is 19.1 kg, and the coefficient of kinetic friction between the sled and the incline is 0.20. How far up the

    asked by Savanna A.
  43. BIOLOGY

    What is the majority of the mass of the heart composed of? a. Endocardium b. Myocardium c. Pericardium d. Endothelium

    asked by sarah
  44. physics

    Water flows over a section of a waterfall at the rate of 5.1 104 kg/s and falls 40 m. How much power is generated by the falling water? answer in Watts thanks

    asked by Lauren Miller
  45. physics

    A spring has a force constant of 410.0 N/m. (a) Determine the potential energy stored in the spring when the spring is stretched 4.13 cm from equilibrium. (b) Determine the potential energy stored in the spring when the spring is stretched 3.06 cm from

    asked by Lauren Miller
  46. pHYSICS

    Two resistors have resistances R(smaller) and R(larger), where R(smaller) < R(larger). When the resistors are connected in series to a 12.0-V battery, the current from the battery is 1.99 A. When the resistors are connected in parallel to the battery, the

    asked by PLEASE HELP
  47. physics

    What speed would a fly with a mass of 0.61 g need in order to have the same kinetic energy as a 1250 kg automobile traveling at a speed of 11 m/s?

    asked by Brianna Smith
  48. Physics

    A 7.94 nC charge is located 1.75 m from a 4.18 nC point charge. Find the magnitude of the electrostatic force that one charge exerts on the other.

    asked by Ashley
  49. Chemistry

    My Chem professor is out for the weekend and I'm confused about what the question is asking or the equations needed... A 10.0-g block of pure nickel (Cp = 0.445 J/g-°C) is brought to each of the temperatures below. A sealed beaker containing 15.0 g water

    asked by DeeDee
  50. math30

    1. Your city has 700 000 households, and the probability that a household has exactly one vehicle is 17/23. a) Determine the number of households that can be expected to have exactly one vehicle.

    asked by alejandro
  51. physics

    A piece of pipe has an outer radius of 4.6 cm, an inner radius of 2.8 cm, and length of 35 cm. What is the mass of this pipe? Assume its density is 8.3 g/cm3. Answer in units of k

    asked by sarah
  52. Math

    A room is 45 m x 15 m. What is the least number of rectangle tiles required to pave the floor of the room, if each tile is 50 cm x 1m?

    asked by robin
  53. math

    Which of the following problems can be solved using the equation x-9=15? A. Allison is 9 years younger than her sister Pam. Allison is 15 years old. What is x, Pam's age? B. David's portion of the bill is $9 more than Jaleel's portion of the bill. If

    asked by Jessica
  54. physics

    A 51.0 kg diver steps off a diving board and drops straight down into the water. The water provides an upward average net force 1370 N. If the diver comes to rest 4.6 m below the water's surface, what is the total distance between the diving board and the

    asked by TJ Cloward
  55. Math

    Students in Mr.Tandoc's shop class made a circular railroad crossing sign for a school play. The diameter of the sign was about 4 feet. How does the diameter compare to the circumference of the sign? A.The diameter is about 1/3 of the circumference B.The

    asked by Jerald
  56. Physics

    A 80kg football player stands at the end of a uniform 8m, 50kg diving board supported as shown. Determine the forces exerted by the two supports.

    asked by Kiffinee Smith
  57. Physics

    A long, thin rod (length = 4.0 m) lies along the x axis, with its midpoint at the origin. In a vacuum, a +5.0 µC point charge is fixed to one end of the rod, while a -5.0 µC point charge is fixed to the other end. Everywhere in the x, y plane there is a

    asked by Amy
  58. Biochemistry

    Muscle Hexokinase has a lower Km for glucose than live Hexokinase They both work best on Glucose, and convert Glc->Glc-6-P04. Would you expect their 3D shape to be identical? If not, how different would you expect them to be? Explain your answer. Thanks!

    asked by Biochemistry
  59. maths

    A cuboidal room is 1 and 1/2 as long again as it is broad. The cost of carpeting the room at the rate of Rs.5 per m sq is Rs.480 and the cost of papering the walls with coloured paper at the rate of Rs.3 per m sq is Rs.360. Find the dimensions of the room

    asked by Anonymous
  60. mathURGENT!!!!!!!

    a certain type of candy is sold in small boxes of 8 and large boxes of 15. notice it would be impossible to buy exactly 12 candies without breaking up a box. it would also be impossible to buy 17 candies without breaking up a box. what is the greatest

    asked by don
  61. statistic

    1. A distribution has a standard deviation of   12. Find the z-score for each of the following locations in the distribution. a. Above the mean by 3 points. b. Above the mean by 12 points. c. Below the mean by 24 points. d. Below the mean by 18 points.

    asked by Nickie
  62. chemistry

    what is the equillibrium constant of each of the substance in the equillibrium when concentration of ICl was 0.75M 2ICl(g)=I2+Cl2 kc=o.12

    asked by Pramod Sihag
  63. chemistry

    what is the molarity of Cl in a 100ml solution containing 20g NaCl, 10g CaCl2, and 15g KCl

    asked by oluchi
  64. Chemistry

    The rate of a first-order reaction is followed by spectroscopy, monitoring the absorption of a colored reactant at 520 nm . The reaction occurs in a 1.29-cm sample cell, and the only colored species in the reaction has an extinction coefficient of 5700

    asked by Leslie
  65. Physics

    What is the magnitude of the force a +29 charge exerts on a +3.3 charge 48 away?

    asked by Allison
  66. Physics

    Identical points on two harmonic waves with the same wavelength (.65 meters) and frequency are separated by a distance of .15 meters. What is the phase difference between the waves?

    asked by Nick
  67. physics

    Tarzan swings on a 28.0 m long vine initially inclined at an angle of 22° from the vertical. (a) What is his speed at the bottom of the swing if he starts from rest? (b) What is his speed at the bottom of the swing if he starts with an initial speed of

    asked by Rachel Laurson
  68. math

    [2.05] Choose the equation that could be used to find two consecutive integers whose sum is 69.

    asked by Anonymous
  69. Biology

    Okay so if i have two enzyme catalyzed reactions: 1) delta g of the ES = -22kJ/mol 2) delta g od the ES = 42 kJ/mol Is this first reaction going to have a higher reaction rate because the of the negative delta g, because doesnt a negative delta g give you

    asked by Cindy
  70. ACCOUNTING

    Gardner Manufacturing Company produces a product that sells for $120. A selling commission of 10% of the selling price is paid on each unit sold. Variable manufacturing costs are $60 per unit. Fixed manufacturing costs are $20 per unit based on the current

    asked by DIANE
  71. History

    Fill in the blanks. Under the Mississippi compromise, any new states formed west of the Mississippi river and north of the Missouri's southern border line were required to be __________.

    asked by Emma
  72. Speech 09

    I had to interview someone in my class and write speech about them. I need help on how to start my speech. How to introduce the person. Are there any examples you can give me so I would read and then write my speech. Please help!!!!!

    asked by Darcy
  73. business studies

    Help me with a small business idea.

    asked by kago
  74. Physics

    If an automobile engine delivers 45.2 hp of power, how much time will it take for the engine to do 5.40 105 J of work? (Hint: Note that one horsepower, 1 hp, is equal to 746 watts.) in seconds

    asked by John Dagle
  75. chemistry

    What volume of 9.0Molarity of H2SO4 is required to react with 20.0g of NaOH?

    asked by ali
  76. Math

    It took Esteban 1 hour and a half to complete his math problems for homework. He spent 3 to 5 minutes working each problem. Which is a reasonable number of problems that Esteban completed for homework? A.10 B.12 C.15 D.20 D? Shaquille O' Neal height

    asked by Jerald
  77. real number

    How many positive factors does 62x(63^3+63^2+63+1)+1 have? (with solution pls... thanks...)

    asked by HELP HELP HELP MNHS
  78. math

    13. You can walk there in 20 minutes or less.

    asked by Anonymous
  79. math

    3 pumps, working 6 hours a day, can empy a water tank in 2 days. How many hours a day must 9 pumps work to empty the same tank in 1 day?

    asked by robin
  80. Science

    Write on Newton law of cooling and cooling collision.

    asked by Peter
  81. Math

    (x^2+y^2)^2=4(x^2-y^2) Equation of a lemniscate curve

    asked by Kelvin
  82. Chemistry

    Using oxidation numbers, explain why this reaction is not a redox reaction? CaCo3 --------> CaO + Co2 Please help.

    asked by Ted
  83. french

    im stuck on indirect object pronouns. i don't know if for example, Je______ achète des baskets. (à mes cousins) if i have to use the verb aller? would it be Je vais leur?

    asked by nemo
  84. Math

    The Americans with disabilities act requires that wheelchair ramps have a slope no greater than 1/12 what is the minimum horizontal length a 2 foot high ramp can have ?

    asked by Valerie
  85. Science - Radiation

    A radioactive isotope, used in the agricultural industry has a half life of 8 days. On application, the radiation is emitted is measured at 12500 counts per sec (cps). If the area that it is applied to cannot be used until the radiation strength is less

    asked by Manu
  86. Maths

    if in a triangle ABC m angle A=π/2, then value of cos2 A + cos2 B + cos2 C =?

    asked by Anand
  87. math

    Marty ate 1/4 of his pizza and Luis ate 1/3 of his pizza. Marty ate more pizza than Luis. Is that possible? Explain.

    asked by ted
  88. chemistry

    suppose u r given a conc soln of hcl which is known to be 37% hcl & has a soln density of 1.19g/ml. What is the molarity and molality of hcl in this soln

    asked by oluchi
  89. Chemistry

    The rate of a first-order reaction is followed by spectroscopy, monitoring the absorption of a colored reactant at 520 nm . The reaction occurs in a 1.29-cm sample cell, and the only colored species in the reaction has an extinction coefficient of 5700

    asked by Leslie
  90. Analytic Geometry

    Find the equation of a circle passing through (3,7) and tangent to the lines x-3y+8=0 and y=3x. Please Help me solve this. Explain it to me slowly cause I am not really good with this

    asked by Lea
  91. physics

    While standing on a bridge 30.0 m above the ground, you drop a stone from rest. When the stone has fallen 3.20 m, you throw a second stone straight down. What initial velocity must you give the second stone if they are both to reach the ground at the same

    asked by brizett
  92. physics

    A person lifts a 4.6 kg cement block a vertical distance of 1.43 m and then carries the block horizontally a distance of 10.50 m. (a) How much work is done by the person in the process? (b) How much work is done by gravity in the process?

    asked by Jayde Larson
  93. Analytic Geometry

    Find the equation of a circle passing through (3,7) and tangent to the line x-3y+8=0. Please, How do I solve this? Help me

    asked by Lea
  94. Physics

    Forces of 11.3N north, 19.1N east, and 14.5N south are simultaneously applied to a 4.12kg mass as it rests on an air table. What is the magnitude of its acceleration? What is the direction of the acceleration in degrees? (Take east to be 0 degrees and

    asked by Dan
  95. Analytic Geometry

    Find the equation of a circle passing through (3,7) and tangent to the line x-3y+8=0. Please, How do I solve this? Help me

    asked by Lea
  96. Math

    ((4sin(atan(4/3))-4sin(0)))-(-3cos(atan(4/3))-(-3cos(0)))+((-3cos(pi/2)-(-3cos(atan(4/3))))-(4sin(pi/2)-4sin(atan(4/3))))+((-3cos(4pi/5)-(-3cos(pi/2)))-(4sin(4pi/5)-4sin(pi/2)))

    asked by Jim
  97. math

    USING FORMULAR METHOD SOLVE D EQUATION(M-3)²=121

    asked by Anonymous
  98. Math

    In this diagram, one person is standing at point A, one person is at point B, and both are looking at a helicopter at point C. The helicopter is 1000 feet above the ground on which the two people are standing. A. If the angle of elevation at point A is 60

    asked by PVC
  99. Math

    Give the domain of the following functions. Give your answer in interval notation. a) f(x)= 5x-2/x^2-5x+6 and b) square root of 5-2x

    asked by Sam
  100. marketing

    The economic environment a.of an individual country has little effect on other countries. b. refers to the application of science to convert resources to output. c. includes changes in interest rates and inflation. has little impact on an organization's

    asked by Andrew
  101. marketing

    Regarding the current legal environment facing U.S. marketing managers: a. state and local laws vary but contain important regulations. b. the focus has shifted from let the buyer beware to let the seller beware. c. product safety is now controlled. d.

    asked by Andrew
  102. marketing

    Few people in Europe diet. So the same soft drink that PepsiCo sells in the U.S. under the brand name of Diet Pepsi is sold in England under the brand name of Pepsi MAX. This is an example of which part of the external market environment? a. Competitive b.

    asked by Andrew
  103. marketing

    When a local bank in Kansas City makes loans to its small business customers, it charges them an interest rate for borrowing money. Interest rates are part of the ____________ environment. a. cultural and social b. economic c. legal d. political e.

    asked by Andrew
  104. Math

    Find the matrix A such that 1 0 −1 3 A = −1 −8 2 11 . Hint: Let A = a b c d A=

    asked by Bersy
  105. algebra

    Determine whether or not the relation is a function. (-3,6), (-2,7, (-1,8), (0,9)

    asked by samuel
  106. science

    Lipids: Not a polymer because _ __x's energy than carbs Saturated= Unsaturated= Nucleic Acids: RNA= DNA= Carbohydrates: Building blockks

    asked by Katie
  107. Chemistry

    Air in the vicinity of a local power station contains 8.8x10^-4 gm^-3 SO2. What volume of 0.001moldm^-3 Iodine solution would be required to react with a solution obtained from 200dm^3 of contaminated air? The equation given is SO2 + I2 + 2H2O ==> H2SO4 +

    asked by Matt
  108. Algebra 2 ..........

    Solve for x. 1/2(x-2)^3+1=0 Also please teach me how to factor cubic polynomials.

    asked by Anonymous
  109. Biochemistry, Biology, Chemistry

    An enzyme works on two substrates, S1 and S2. Its Km for S1 is 100mM and its Km for S2 is 10mM. Based on this information, answer the following questions: 1. For a given [E] will it have a higher Vmax for S1 or S2? Explain your answer 2. Is S1 or S2 a

    asked by Biochemistry
  110. ANT101: Introduction to Cultural Anthropology (ACS

    The Demographic Transition Model: (Points : 1) depicts how populations change over time. is based on the historical experience of the Third World. predicts the world’s population in the year 2002. supports the overpopulation perspective.

    asked by Anonymous
  111. fractions

    what is 1/2, 3/8and 1/4 from least to greatest

    asked by fareeda
  112. Calculus

    The height (in feet) at time t (in seconds) of a small weight oscillating at the end of a spring is given below. h(t) = 0.2 cos(2t) (a) Calculate the weight's average velocity over the time intervals [1, 2] and [5, 7].

    asked by Lindy
  113. Math help PLEASE

    Sole this equation 5x+9=3x+41 what does x=

    asked by Dave
  114. Physics

    If Jenn walks at a speed of 1.75 m/s for a total of 3.0 minutes, how far has she travelled?

    asked by Anonymous
  115. Math Help please

    5x+9=3x+37 x=

    asked by Dave
  116. physics

    What is an example of an object with great momentum? Why does it have great momentum?

    asked by Anonymous
  117. Algebra 2 ..........

    Solve for x. 1/2(x-2)^3+1=0 Also please teach me how to factor cubic polynomials.

    asked by Anonymous
  118. Algebra 2 ..........BOBPURSLEY

    SO IF Y=0 what would x be on the graph. Please.. i do not get this...

    asked by Anonymous
  119. art

    do you know name of this picture? it is dragon flying and kind of holding the flag which is of united states and it has six flags. and up it has curve. it is symbol please help me.

    asked by max
  120. math

    in a mixture of water and 1/4 is sand.write down the ratio of water to sand

    asked by payal
  121. physics

    A vector has a magnitude of 18.0 cm and makes an angle of 103.0° with the positive x-axis.

    asked by Anonymous
  122. science,chemistry

    constract the neutralisation rxn of calos antacid and stomach acid,and balance it?

    asked by Haemone singo
  123. Mathematics

    12x0=

    asked by Adaobi okolie
  124. Physics

    When speaker A is working the sound intensity at a particular location is 85 dB. When speaker B is working (without speaker A), it is 80 dB. What will it be if both speakers are working together?

    asked by Nick
  125. Physics

    a tuning fork of frequency 500 Hz is rotating on the edge of a disk of radius 1.2 meters. (a) If the disk turns at a rate of 40 rev/min, what are the maximum and minimum frequencies heard by the listener? (b) To what positions of the tuning fork do these

    asked by Nick
  126. math30

    1.To play a game, a die is rolled to see who plays first. Four players are going to play the game. What is the probability that at least two people roll the same number? Express your answer to the nearest tenth of one percent

    asked by alejandro
  127. Chemistry help

    Write a descriptive text and a word equation on how silicon is extracted from earth's crust' .

    asked by Maya
  128. chemistry

    What volume of 0.010M silver nitrate will exactly react with 20ml of 0.0080M socium chloride solution?

    asked by bliss
  129. Math

    Ernest earns $550 each month working as a medical assistant at the local hospital. Which of the following can be used to find m, the amount of money Ernest earns in two years? A.1/550=m/2 B.550/1=m/24 C.2/m=1/550 D.1/550=12/m B?

    asked by Jerald
  130. Algebra

    If (x+3)(x-2)(x+1)=(x+2)Q(x)+(x+3)(x-2) (with solution pls... thanks)

    asked by HELP HELP HELP MNHS
  131. Math

    Give the domain of the following functions. Give your answer in interval notation. a) f(x)= 5x-2/x^2-5x+6 and b) square root of 5-2x

    asked by beanstalk1
  132. math

    your company produces designer dog-leashes. the marginal costs are $4.50 per leash and each leash is sold for $12.00. You need to produce and sell 75 dog leashes per month in order to break even. Based on this information, what are your monthly fixed

    asked by beanstalk1
  133. math

    CONSTRUCT BY COMPLETING D SQUARE METHOD:-5 ND ¾

    asked by NELLI ABUBAKAR
  134. biology

    1. discuss the mechanisms that organisms undergo to accomplish morphogenesis 2. Describe the contributions of drosophila and nematodes in advancing understandings of development

    asked by Nick
  135. chemistry

    Why does the compressed gas leaving the propane tank cause the temperature to drop around the valve?

    asked by Ashely
  136. science

    How many amino acids are there in protien

    asked by Katie
  137. Math

    your company produces designer dog-leashes. the marginal costs are $4.50 per leash and each leash is sold for $12.00. You need to produce and sell 75 dog leashes per month in order to break even. Based on this information, what are your monthly fixed

    asked by Sam
  138. accounting

    Can uot help me with journal entries

    asked by karen
  139. Algebra 2

    How would you solve the following I'm stumped.. 1. 2x^2(squared)=30-4x 2. X^3(cubed)+8x=-6x^2(squared) Thanks!

    asked by Kelsey
  140. math

    find the slope of the given line if it is defind. the line through (2,5) and (0,8) please show work

    asked by jackie