Questions Asked on
March 30, 2012

  1. Chemistry

    Rank the following ionic compounds by lattice energy. Highest to Lowest LiCl MgO Na2O Beo Na2S

    asked by Jeremy
  2. calculus

    2. The rate of change in the number of bacteria in a culture is proportional to the number present. In a certain laboratory experiment, a culture has 10,000 bacterial initially, 20,000 bacteria at time t1 minutes, and 100,000 bacteria at (t1 + 10) minutes.

    asked by naseba
  3. Physics

    A girl of mass 55 kg throws a ball of mass 0.8 kg against a wall. The ball strikes the wall horizontally with a speed of 25 m/s, and it bounces back with the same speed. The ball is in contact with the wall 0.05 s. What is the average force exerted on the

    asked by Alex
  4. chemistry

    Give the chemical formula for trans-dichlorobis(ethylenediamine)platinum(IV). Use (en) as the symbol for ethylenediamine.

    asked by Katie
  5. physics

    A baseball is tossed at a steep angle into the air and makes a smooth parabolic path. Its time in the air is t and it reaches a maximum height h. Assume that air resistance is negligible. a.) Show that the height reached by the ball is gt2 (square) /8. b.)

    asked by liz
  6. chemistry

    How many outer-shell d electrons are there in each of the following transition-metal ions? Re(III) Sc(III) Ru(IV) Hg(II)

    asked by Katie
  7. chemistry

    Construct the octahedral crystal-field splitting diagram for the metal in each species. Cr4+ Mn(H2O)6^2+

    asked by Katie
  8. Chemistry

    The resolution limit of a microscope is roughly equal to the wavelength of light used in producing the image. Electron microscopes use an electron beam (in place of photons) to produce much higher resolution images, about 0.16 nm in modern instruments.

    asked by Ashley
  9. alge

    The angle of elevation of the sun is 31 degrees. Find the length of the shadow, to the nearest foot, of a man that is 6 feet tall.

    asked by Anonymous
  10. chemistry

    Which of these ions have five d electrons in the outermost d subshell? Mn2+ Fe2+ Re2+ Y2+ Tc2+ Zn2+ Ru2+

    asked by Katie
  11. chemistry

    Which of these ions have one d electron in the outmost d subshell? Zn2+ Fe2+ y2+ Cd2+ Sc2+ Hg2+ Tc2+

    asked by Katie
  12. Math

    Derek wants to determine the height of the top of the backboard on the basketball goal at the playground. He places a standard 12-inch ruler next to the goal post and measures the shadow of the ruler and the backboard. If the ruler has a shadow of 10

    asked by Jae
  13. chemistry

    what are the chemical formula for sodium tetrachloroplatinate(II) and tris(ethylenediamine)cobalt(III) bromide

    asked by Katie
  14. math

    what is the volume of a triangle prism with a base area of 24ft*2 and a height of 18ft

    asked by jack
  15. geometry

    Can someone check my work please? What is the area of the figure below? 18 in² 30 in² 36 in² (my choice) 60 in² What is the area of the figure below? 31.5 m² 63 m² (my choice) 84 m² 126 m² What is the value of h? 9.6 units 26.7 units (my choice) 48

    asked by kevin
  16. word problem

    An investment of $93,000 was made by a business club. the investment was split into three parts and lasted for one year. The first part of the investment earned 8% interest, the second earned 6% and the third 9%. total interest from the investments was

    asked by XOCHIL
  17. Physics help please!

    Light waves with two different wavelengths, 632 nm and 474 nm, pass simultaneously through a single slit whose width is 7.63 x 10-5 m and strike a screen 1.30 m from the slit. Two diffraction patterns are formed on the screen. What is the distance (in cm)

    asked by Jim
  18. grammar

    Can someone please check my work? Thank you. Which of the style guides is most focused on professionals who are writing articles for publication? MLA APA Chicago (my choice Which of the style guides no longer recommends citing URLs? MLA APA (my choice)

    asked by kevin
  19. Math11

    A model airplane is made on a scale of 1:128. A)What is the scale factor of the model? B)If the airplane has a wingspan of 30 cm, what is the wingspan of the actual airplane Need help on this.

    asked by Sari
  20. english

    When the atomic bomb exploded, almost everyone in Hiroshima saw a flash whiter than anything they had ever seen. True or false

    asked by Lisa
  21. math

    An account invested in a money market fund grew from $67,081.2 to $67,359.39 in a month. What was the annual interest rate?

    asked by Anonymous
  22. Chem 2

    i need help setting this problem up i know what the answer is but need to know how to get to it. calculate the kinetic energy in joules of an automobile weighing 2135lb and traveling at 55 mph (1 mile=1.6093km, 1lb=453.59g)

    asked by Debbie
  23. Math

    Charlotte is building a dollhouse that is a scale replica of her own house. One of the windows on the front of the house is 105 cm wide and 126cm high. On the dollhouse, the window is 7cm wide a)write a scale statement for the dollhouse? b)what scale

    asked by Charlotte
  24. PHYSICS

    Two cars collide at an intersection. Car A, with a mass of 2000kg, is going from west to east, while car B, of mass 1300kg, is going from north to south at 15.0m/s. As a result of this collision, the two cars become enmeshed and move as one afterwards. In

    asked by char
  25. Astronomy

    Suppose you weigh 105 . How much would you weigh on other planets in our solar system? Assume you can stand either on the surface or in an airplane in the planet's atmosphere. (Hint: Recall from Chapter Light and Matter that weight is mass times the

    asked by Alex-Johnson
  26. PHYSICS

    A bat strikes a 0.145kg baseball. Just before impact, the ball is traveling horizontally to the right at 60.0 m/s , and it leaves the bat traveling to the left at an angle of 40degrees above horizontal with a speed of 65.0 m/s . The ball and bat are in

    asked by NOT char
  27. Physics help?

    A circular loop in the plane of the paper lies in a 0.78 T magnetic field pointing into the paper. If the loop's diameter changes from 17.8 cm to 6.4 cm in 0.22 s, what is the direction of the induced current? What is the magnitude of the average induced

    asked by Nadine
  28. algebra

    tugboat goes 160 miles upstream in 10 hours. The return trip downstream takes 5 hours. Find the speed of the tugboat without a current and the speed of the current. speed of tugboat is speed of the current is

    asked by scott
  29. PHYSICS

    Blocks A (mass 2.50 kg) and B (mass 10.00 kg) move on a frictionless, horizontal surface. Initially, block B is at rest and block A is moving toward it at 5.00 m/s. The blocks are equipped with ideal spring bumpers. The collision is head-on, so all motion

    asked by char
  30. math

    If3,x,y,18 are in arithmetric progression , find the value of x and y

    asked by wale
  31. English

    In which sentence is ceased used inappropriately and why: A. After the rain ceased, the sun came out. B. When the teacher told us to be quiet, we ceased talking. C. When we were full, we ceased eating. D. When it got cold, we ceased wearing our jackets. Is

    asked by Jane
  32. Chemistry

    Lithium hydroxide is used in the space program to remove carbon dioxide (from respiration) in spacecraft. Specifically, lithium hydroxide, LiOH, reacts with carbon dioxide, CO2, ro form lithium carbonate, Li2CO3, and water. 2LiOH+CO2->Li2CO3+H2O, What mass

    asked by Trinny
  33. Chemistry

    Rank the following ionic compounds by lattice energy. Highest to Lowest LiCl MgO Na2O Beo Na2S

    asked by Jeremy
  34. physics

    A +5.7C X 10 to the -6 power point charge is on the x-axis at x=-3.0m,and a +2.0C X 10 to the -6 power point charge is on the x-axis at x=+1.0m.Determine the net electric field (magnitude and direction) on the y-axis at y=+2.0m.

    asked by bob
  35. Math

    Name School Team Event 3: Logic and Reasoning (with calculators) 5th/6th grade Math Meet ‘08 For each number pattern, fill in the next five terms. (2 pts. each blank) ANSWER KEY 1st term 2nd term 3rd term 4th term 5th term 6th term 7th term 8th term 9th

    asked by Anonymous
  36. Physics

    A force of 38 newtons is acting on an object making an angle of 65º with the horizontal. What is the value component of the force acting along the y-axis?

    asked by LinaBina
  37. Psychology im stuck

    L. L. Thurstone identified seven clusters of primary mental abilities including word fluency, memory, and reasoning. He claimed that word fluency: Question 1 options: underlies all of our intelligent behaviors. is the most difficult mental ability to

    asked by milla
  38. Intermediate Algebra

    convert to scientific notation....0.00024

    asked by sherry
  39. physics

    Please Help, Two point charges are fixed on the y axis: a negative point charge q1 = -23 µC at y1 = +0.23 m and a positive point charge q2 at y2 = +0.33 m. A third point charge q = +7.8 µC is fixed at the origin. The net electrostatic force exerted on

    asked by matt
  40. math

    The 8th term of ap is 5time the 3rd term, while the 7th term is greater than the 4th term, write the first 5 term of the ap

    asked by wale
  41. chemistry

    How much heat is absorbed by a 2000 kg granite boulder as energy from the sun causes its temperature to change from 7°C to 24°C?

    asked by Anonymous
  42. Dress making and design

    1. For cutting dress fabric, it's recommended that you use A. pinking shears. B. a seam ripper. C. dressmakers shears. D. small scissors. 2. When working with knitted fabrics, you should use A. glass ball pins. B. ballpoint pins. C. short fine pins. D.

    asked by Tamera
  43. 6th Grade History

    Questions: 1) a priest who brought Christianity to Ireland 2) a separation of the two most important branches of Christianity 3) from this country monks traveled the continent of Europe establishing monasteries. name the country? 4)an iconoclast, or image

    asked by ☻i♥zee☻
  44. math

    The 2nd, 3rd and 4th term of an ap are x-2,5,x+2 respectively ,calculate the value of x

    asked by wale2
  45. Physics

    The earth has a radius of 6.38 106 m and turns on its axis once every 23.9 h. A. What is the tangential speed (in m/s) of a person living in Ecuador, a country that lies on the equator? (b) At what latitude (i.e., the angle θ in the drawing) is the

    asked by Natasha
  46. math

    Salma's penny bank is 1/2 full. After she adds 360 pennies, it is 4/5 full. How many pennies can Salma's bank hold?

    asked by steven
  47. physics

    Objects of equal mass are oscillating up and down in simple harmonic motion on two different vertical springs. The spring constant of spring 1 is 186 N/m. The motion of the object on spring 1 has 3 times the amplitude as the motion of the object on spring

    asked by Brian
  48. chemistry

    An electron traveling at 4.3×105 m/s has an uncertainty in its velocity of 1.92×105 m/s. What is the uncertainty in its position?

    asked by missy
  49. physics

    Some bacteria are propelled by biological motors that spin hair-like flagella. A typical bacterial motor turning at a constant angular velocity has a radius of 1.70e-8 m, and a tangential speed at the rim of 2.32 e-5 m/s. a) What is the angular speed (the

    asked by Natasha
  50. algebra

    an investor invested a total of 1,600 in 2 mutual funds.One fund earned a 6% profit while the other earned a 2% profit. If the investors profit was $56, how much was invested in each mutual fund. amount invested in mutual fund that earned 6% was___ amount

    asked by scott
  51. ms.sue 3 grade english

    fact and opionion a statement of fact can be proved true or false. a statement of opinion gives someone's thoughts or feelings about something. words that express feelings,such as best and amazing,ate clues that a sentence is probably and opinion.

    asked by dw
  52. Math

    The distance to the nearest 100000 km from Earth to the moon is given as 400000 km.The average speed to the nearest 500 km/h of a rocket to the moon is given as 3500 km/h.Calculate the greatest and least time it could take the rocket to reach the moon.

    asked by Friesam
  53. Chemistry

    Rates of reaction, redox reactions? 10 points? An structural isomer of bromobutane (C4H9Br) can be hydrolysed using aqueous sodium hydroxide to produce butanol. This can be represented by the following equation: C4H9Br(l) + OH-(aq) > C4H9OH(l) + Br-(aq)

    asked by Local
  54. Probability

    Jolie has 6 quarters, 6 dimes, 4 nickels, and 10 pennies in her coin purse. If two coins are drawn at random without replacement, what is the probability of drawing a quarter on the first draw and a nickel on the second draw?

    asked by Kay
  55. Physics

    A circular loop in the plane of the paper lies in a 0.78 T magnetic field pointing into the paper. If the loop's diameter changes from 17.8 cm to 6.4 cm in 0.22 s, what is the direction of the induced current? What is the magnitude of the average induced

    asked by Nadine
  56. Economics(Please respond, thank you)

    Given the wage in dollar per day and the CPI for years 1 and 2 how do you calculate the nominal % increase in wage and the real % increase in wage? I am not sure what to do for this or what the formula is if any. Thank you for your help.

    asked by Hannah
  57. Physics

    A wind turbine is initially spinning at a constant angular speed. As the wind's strength gradually increases, the turbine experiences a constant angular acceleration of 0.180 rad/s2. After making 2874 revolutions, its angular speed is 139 rad/s. A. What is

    asked by Natasha
  58. Physics

    Work of 700 J is done by stirring an insulated beaker containing 110 g of water. (a) What is the change in the internal energy of the system? J (b) What is the change in the temperature of the water? °C

    asked by Tiffany
  59. pressure

    determinr the liquid andabsolute pressure at a depth of 4min aswimmining poolgiven that the atmospheric pressure is approximately 101 kPa

    asked by Anonymous
  60. PHYSÝCS HELP

    A satellite with a mass of 113 kg approaches a large planet at a speed vi,1 =10.3 km/s. The planet is moving at a speed vi,2 =14.6 km/s in the opposite direction. The satellite partially orbits the planet and then moves away from the planet in a direction

    asked by TUGÝ
  61. Intermediate Algebra

    convert to scientific notation...0.000243

    asked by sherry
  62. Physics. PLEASE HELP!!

    A 22 kg girl slides down a playground slide that is 3.6 m high. When she reaches the bottom of the slide, her speed is 1.7 m/s. The acceleration of gravity is 9.81 m/s2. How much energy was dissipated by fric-tion? Answer in units of J

    asked by Ashley
  63. life orientation

    identify and describe one environmental problem that causes ill health,accident,crises,and disasters within your community or any other community within south Africa or globally

    asked by mokoena terry
  64. algebra

    z varies directly as x^2. If z=36 when x=3,find zwhen x=4.

    asked by Jay
  65. ALGEBRA

    An investment of $93,000 was made by a business club. the investment was split into three parts and lasted for one year. The first part of the investment earned 8% interest, the second earned 6% and the third 9%. total interest from the investments was

    asked by XOCHIL
  66. geometry

    A square ABCD is inscribed in a circle. The circle is folded to form a semi-sircle, and another square EFGH is inscribed in this semi-cirlcle. Find the ratio of the area of the square EFGH to the area of the square ABCD.

    asked by hadi
  67. Physics

    An empty cart, tied between two ideal springs, oscillates with ω = 10.1 rad/s.A load is placed in the cart, making the total mass 3.9 times what it was before. What is the new value of ω? rad/s This is how I did it, but its wrong 3.9/3=1.3 then

    asked by Romy
  68. kinetics

    An exercise bicycle's flywheel is 30cm in diameter and 2.5 cm thick and is constructed from steel (density=7850 kg m3) its moment of inertia is 0.156 kg m2 about its axis of rotation a) calculate the mass of the flywheel b) calculate the flywheel's radius

    asked by dmkp
  69. geometry

    E,F MID POINTS OF AB AND CD PROVE THAT EF=1/2(AE+BC)+EF||AD+EF||BC HERE ABCD IS A TRAPIZIUM

    asked by Anonymous
  70. Intermediate Algebra

    Short Answer.Raise the quanity in parenthesis to the indicated exponents and simplify.Express answers with positive exponents.(-27x^0y^-2/54x^-5y^-4)^-2

    asked by sherry
  71. CHEMMMMM

    Find the Electron DOMAIN GEOMETRY & the MOLECULAR GEOMETRY of the following compounds: 1) ICl3 2) PCl3 3) XeF4 4) SF6 5) TeCl4

    asked by BMW
  72. Chemistry

    If I react a phosphorus ylide with trans-cinnamaldehyde, what would the ratio of trans-trans to cis-trans isomer would I likely get?

    asked by Sam
  73. Physics

    Four people sit in a car. The masses of the people are 41 kg, 47 kg, 53 kg, and 55 kg. The car's mass is 1020 kg. When the car drives over a bump, its springs cause an oscillation with a frequency of 1.00 Hz. What would the frequency be if only the 41-kg

    asked by Priyanka
  74. Physics

    The prong of a tuning fork moves back and forth when it is set into vibration. The distance the prong moves between its extreme positions is 2.28 mm. If the frequency of the tuning fork is 440.6 Hz, what are the maximum velocity and the maximum

    asked by Riya
  75. CHEMISTRYYYY

    Electron DOMAIN GEOMETRY & the MOLECULAR GEOMETRY of the following compounds: 1) ICl3 2) PCl3 3) XeF4 4) SF6 5) TeCl4

    asked by BMW
  76. calculus

    find the total differential of the function f(x,y)= xye^(x+y)

    asked by robert
  77. english 2

    what is the topic sentence in this paragraph? Nearly everyone is familiar with the dark silhouette of the giant saguaro, its arms thrust stiffly out. However, few people have actually seen this awe-inspiring plant in its natural habitat, since it is found

    asked by kema
  78. budget

    Which one of the following statements best describes what a budget is?

    asked by nay nay
  79. Math

    Steve is building a slide for a new park. He wants the height of the slide to be 6 feet, and he wants the horizontal distance along the ground to measure 14 feet. After building the slide, Steve decides the slide needs a vertical safety support and wants

    asked by Jae
  80. Finance

    We are currently bidding on Treasury bills and have determined that we must have a 5% return for a $1,000 T-Bill that will mature in one year. How much would we be willing to bid on the Treasury bill? If we are bidding on a 13 weeks Treasury bill with a 1%

    asked by Kim
  81. fourth grade math

    one factor of the mystery number is 7 the other factor is an odd number greater than 8 and less than 15 the mystery number is greater than 75 the sum of the digits of the mystery number is 10 what is the mystery number? what is the missing factor????

    asked by breana
  82. algebra

    use method of substitution to solve the system of linear equations. 2x-y=3 9x-4y=14 is the solution an ordered pair(,)

    asked by scott
  83. SCIENCE

    when 10.0 ml of .012 M PbNO32 is mixed with 10.0 ml of .030 M KI, a yellow precipitate of PbI2 forms. calculate the initial molarity of Pb+2 calculate the initial molarity of I- On measuring the equilibrium concentration of I-, it came out to be 8.0 x

    asked by dfdf
  84. Chemistry-Experiment

    I did an experiment where I had 5 ml of MgCl2, then 5 ml NH4 solution (NH4OH (aq)) was added and it was observed that a precipitate formed; cloudy solution. After I added 1g of NH4Cl(s), the solution clears up (transparent). 2nd experiment: There was 5ml

    asked by Fresca
  85. Intermediate Algebra

    Simplify the following exponents and rewrite it in an equivalent form with positive exponents..24x^3y^-3/72x^-5y^-1

    asked by sherry
  86. Intermediate Algebra

    Short answer.Raise quanity in parenthesis to the indicated exponents and simplify te resulting expression. Express powers with positive exponents.(50x^2y^-4/200x^-2y^4)^3

    asked by sherry
  87. Psychology

    he heritability of intelligence refers to: Question 10 options: the extent to which an individual's intelligence is attributable to genetic factors. the percentage of variation in intelligence within a group that is attributable to genetic factors. the

    asked by milla
  88. algebra

    use elimination method to solve. A+6b=14 A+2b=2 does it have (a)one solution (b)Infin. many sol (c)no solution

    asked by scott
  89. physics

    two egatively charged particles repel one other with an electrostatic force of 5 newtons. determine how the sign and manitude of this force changes when; a. the distance between them is doubled, b. the distance is cut in half., c. one particle's charge is

    asked by savid
  90. Chem 2

    need to figure out how to calculate. the value of DeltaH for the reaction below is -72kj_____kj of heat are released when 1.0 mole of HBr is formed in this reaction. H2(g)*Br2(g)> 2HBr(g) I know the answer is 36 but need help

    asked by Debbie
  91. math

    Estimate the gallons of paint needed to cover the outside of a cylindrical silo which is 30 feet in diameter and 70 feet high. Do not include any roof area. The paint covers approximately 150 square feet/gallon.

    asked by Nilan
  92. Ethnics

    I am a little confused on how to research the following: • Select 1 racial group from the list below: o African American o Asian American o Arab American o Hispanic American/Latino o White/Caucasian •Write a 250- to 350-word summary of the economic,

    asked by Bella
  93. introduction

    The most basic purpose of reading is A. acquiring insight. B. education. C. getting information. D. providing entertainment.

    asked by anexeu
  94. Physics

    How much heat must be added to 30 g of water at an initial temperature of 62°C to completely convert the 100°C water to steam?

    asked by Tiffany
  95. Algebra

    wht is the area of a circle with a circumference of 25 meters? I have to use pi(3.14) and round to the nearest square meter.

    asked by Crystal
  96. algerbra

    what is the area of a rectangle 14ft x 8ft

    asked by aleah
  97. geometry

    Need help please: (3,0) (7,6) (x-7)2 + (y-6)2 = 7(2) (x-7)2 + (y-6)2 = 49

    asked by Kel
  98. Math Problem

    Please Help type exponential notation with positive exponents Divide and simplify c^7/c^16

    asked by Lavern
  99. math

    A mulch layer 2 inches thick is to be spread over a bed of landscape plants. If the bed measures 8ft x 20ft, how many bags of mulch must you buy? Each bag contains 3 cubic feet of mulch.

    asked by Remmy
  100. ALGEBRA

    The perimeter of a rectangle is 18 ft.The length is 1 ft longer than the width. Find the deminsions using a system of linear equations.

    asked by XOCHIL
  101. algebra

    solve by addition method x +3y +z =6 3x + y – z = -2 2x +2y – z = 1

    asked by sally
  102. English

    I am trying to write a paper but I am having a difficult time understanding the way you use first person in APA style. The instructions are: Use APA format- For this assignment you may use first person and use the questions as subheadings. I need and

    asked by RT
  103. physics

    Use these magnitudes of the forces of gravity at Earth's surface to determine the masses of the objects on which they act A)0.98N. B)62N C)44.5MN

    asked by Maggie
  104. kinetics

    A car is travelling on a banked circular racetrack, Given that the track is banked at an angle of 16degree to the horizontal and the radius of the track is 50 metres and there are no friction forces present a) draw a free body diagram of the car

    asked by dmkp
  105. Math situation

    please help me solve Multiply and simplify type exponential notation with positive exponents (64a^2)/(2a^2-16a+32) x (2a-8)/8a

    asked by Sandra M
  106. Math

    Explain How You got the answer please, because the answer I keep getting doesn't even match any of the answers. A telephone dial has holes numbered from 0 to 9 inclusive, and eight of these holes are also lettered. How many different telephone numbers are

    asked by Kaya
  107. English

    Writeacher, I need your help to find exercises on the following grammar topics: 1) Defining and non-defining relative clauses. (e.g. two sentences to combine ...) 2) Wish (+ simple past, past perfect, would + inf.) 3)Indirect speech (reporting verbs such

    asked by Matthew
  108. physics

    What is the weight of each of the following masses at Earths surface? A) 25g. B)102kg. C) 12mg

    asked by Maggie
  109. Life orientation

    Name 2 institutions /community organizations that are supporting or giving redress to deforestation .

    asked by Deeja
  110. accounts

    a business leases a building for one year starting 1 october 2003. The rent is $24000 per year and business paid cash one year in advance on 1 october 2003. on dec. 31 2003 how much of that payment should be recorded as a rental expense and how much should

    asked by steve
  111. algebra

    volume of a rectangular prism:600m cubed length:30m Width:?? Hetght:4m Cant figure out the width. Please help

    asked by Crystal
  112. math - please help

    The 7 inch diameter drive drum of a belt conveyor is turning at 130 rpm. What is the belt speed (ft/min) if there is no slip between the belt and drum?

    asked by Sushmitha
  113. Algebra

    The circumfernce of a circus ring is 13 meters. Esimate the radius of the ring.

    asked by Crystal
  114. algebra

    the perimeter of a rectangle is 182 inches the length exceeds the width by 59 inches find the length and the width

    asked by felicia
  115. World Geography Europe

    How has Europe's peninsula geography influenced its history?

    asked by Michelle
  116. ENGLISH revised

    BACKGROUND: Ten years ago, I started working as a clerk for DMD Medical Supplies. Six months ago, Liz, the human resources director, promoted me to office manager. I manage two employees: Jack and Ruth. My office provides secretarial support for the four

    asked by Kayla
  117. Intermediate Algebra

    simplify expression..sqrt-11,sqrt.-55

    asked by sherry
  118. Calculus

    So I'm trying to do my homework on L'Hopital's rule. There's this one problem I have to do where I have to find the limit as x approaches negative infinity of (x^4)(e^x). How do I do this, since it's not in the form f(x)/g(x)? Thanks

    asked by Jasmine
  119. ENGLISH Revised

    BACKGROUND: Ten years ago, I started working as a clerk for DMD Medical Supplies. Six months ago, Liz, the human resources director, promoted me to office manager. I manage two employees: Jack and Ruth. My office provides secretarial support for the four

    asked by Kayla
  120. Math

    The position of a car piston within the cylinder is described by the equation: y = S sin(360 r t - 90 Where S is the stroke length of the cylinder, r is the rpm of the crank shaft, and t is the time in minutes. If the stroke length is 2 inches and the

    asked by jof
  121. math

    If the length of the pendulum is 14.8 cm and q = 22 ° , find the horizontal displacement of the pendulum.

    asked by jof
  122. algebra

    need helo solving this Equate y=-4 to y=mx+b. What is the value for m so that these equations are equivalent I need a fast response on how to solve this problem can someone help please?

    asked by misty
  123. healthcare

    What are the 4 steps in making a complaint at aged care

    asked by Lisa
  124. physics

    Use these magnitudes of the forces of gravity at Earth's surface to determine the masses of the objects on which they act A)0.98N. B)62N C)44.5MN

    asked by Maggie
  125. World History

    Why were the cash economies introduced by the Europeans unsuitable for African countries?

    asked by Sarah
  126. Math

    Plz explain to me how to do this problem? A red river is 4000 miles long the yellow river is 98.8% length of the amazon. What is the length of red r.

    asked by Amy
  127. math

    How many pounds of water are in a 36 ft diameter tank that is filled to a depth of 24 ft? Thank you.

    asked by Sejul
  128. ENGLISH Revised

    BACKGROUND: Ten years ago, I started working as a clerk for DMD Medical Supplies. Six months ago, Liz, the human resources director, promoted me to office manager. I manage two employees: Jack and Ruth. My office provides secretarial support for the four

    asked by Kayla
  129. Tech math

    In the function y = sin (2x + 75 ° ) find the value of y when x = 295 ° .

    asked by jof
  130. English 3

    Why did Ratcliffe replace the original president?

    asked by Ca
  131. math

    Convert: 4600 bushel corn at standard moisture to ___tons What does standard moisture mean? Convert: 10 psfito ___ oz/in^2

    asked by Nabil
  132. Math

    $10,000.00 loan at 8% to be paid in full in 88 months. How much interest would be due at the payoff of the loan?

    asked by Susan
  133. Algebra

    Suppose a market research company finds that at a price (y) of $30, they would sell x =10 t-shirts. If they lower the price to y = $20, then more people would purchase the t-shirts, and they can expect to sell x = 30 t-shirts. Find the equation of the line

    asked by Gurlredneck
  134. Calculus

    What is the antiderivative of: (x - x^3) / (x^4 +1)? I know that somehow I will need to factor out 1/(x^2 + 1), or the derivative of arctan, but I'm not quite sure how to do this. Any help is appreciated, thank you.

    asked by Anonymous
  135. math problem

    please help having trouble with this (x+7)(x-12)(x+5)>0 the solution set is or is it all real numbers.

    asked by Lavern
  136. Health

    When keeping a food diary, you should record? A. Who prepared the food B. Where you ate C. How the food was prepared D. When you last ate a similar dish I thought it was C. but i got it wrong. Is it B?

    asked by Destini
  137. history

    Which system of government rests furthest left on the political spectrum and, as a totalitarian regime, focuses on the government owning all aspects of the economy, including property and the means of production?

    asked by aries
  138. chemisry

    Use the ideal gas equation to answer this question. (Recall that R is .0821 L · atm/K · mol. ) What pressure is exerted by .35 moles of a gas at 23 0 C if it is held in a container with a volume of 2.3 liters?

    asked by Anonymous
  139. Math

    How much money would've saved on $85000 mortgage if interest was 6% rather than 8% for 20 years?

    asked by Anonymous
  140. math - help please

    A lawn sprinkler covers a rectangular pattern of 20ft x 30ft. If the flow rate of the sprinkler is 2.5 gpm, derive a formula for calculating the time (hours) to apply D inches of water over one 20ft x 30ft area. 2)What are the units on the constant?

    asked by Anil
  141. math problem

    subtract the polynomials please help having trouble (-12a^2+3a+3)-(6a^2+3)

    asked by Lavern
  142. English

    What are some of disadvantage if we preseving our cultural resources?

    asked by Fakaapo. Suetusi
  143. healthcare

    Can you give me a descrption for the use of the following of communication progress notes care plan: Assessment form:

    asked by Lisa
  144. Grammar

    Im using the same word feel as a linking verb, please tell me if this is a correct word for feel as a linking verb- The weather today feels warm.

    asked by Losa
  145. COLLEGE CALCULUS. HELP!

    anti-derivation given f"(x)=3x+0 and f'(-1)=1 and f(-1)=5 find f'(x)=? and find f(2)

    asked by MILY
  146. maths

    the equation of the circle is x^2+y^2+2x-8y-1=0. Find the coordinates of the point where the circle crosses the x-axis

    asked by mumba
  147. guidance problem

    using rewards as behavior modification techniques .do you think it is a beneficial or appropriate.why or why not/

    asked by maagoo
  148. bio anatomy

    I am doing a paper on the occipital lobe. My sources have to be very reliable and good. Do you know oh any collages or universitys that have done research and have info on the occipital lobe on the internet? Or any other good sources? thanks

    asked by rebekah
  149. calculus

    find the total differential of the function. f(x,y) = 5y/x-y

    asked by robert
  150. physics

    The justice league is playing baseball with 5kg rockets. The flash's top speed is 300m/s and a home run requires a 180m run. The rockets accerlate at 1200m/s^2, Superman catches it 30m from home, and decelerates it with 2700N. Once he stops the rocket, he

    asked by karly
  151. Intermediate Algebra

    Multiply.(2/5t-1)(3/5t+1)

    asked by sherry
  152. Intermediate Algebra

    Simplify. Show work.-(6a^8+0.2a^2-7)

    asked by sherry
  153. us history

    what did LOWELL MILL STRIKERS do?

    asked by ruby
  154. Intermediate Algebra

    Find the circumference of a circle with the radius of 5ft .

    asked by sherry
  155. Intermediate Algebra

    this what i meant..Short answer .Raise the quanity in parenthesisto the indicated exponents and simplify the resulting expression.Express with positive exponents.(50x^2y^-4/200x^-2y^4)^3

    asked by sherry
  156. chemistry

    A gas sample in a sealed vial originally at 0.6 atm and 300 K, was heated at 450 K. What other property of the gas has changed? What is the value of this property after heating?

    asked by Alicia
  157. Physics: Second Part of first question

    If the slide is inclined at 55 , what is thecoefficient of friction between the girl and the slide?

    asked by Ashley
  158. ENGLISH; improving your writing

    BACKGROUND: Ten years ago, I started working as a clerk for DMD Medical Supplies. Six months ago, Liz, the human resources director, promoted me to office manager. I manage two employees: Jack and Ruth. My office provides secretarial support for the four

    asked by Kayla
  159. healthcare

    List 4 basic actions that staff need to carry out to ensure an effective response to observed or stated clients issues

    asked by Lisa
  160. Advanced Mathematics

    Please help me solve this; Solve these inequalities and graph your solution on a number line (i) 2x-1/5 ≥ x/2 - 2

    asked by Beverly
  161. Calculus

    Another one I'm not sure about is the limit as x approaches infinity of (x^2)/lnx I took the derivative of the top and bottom and got 2x/(1/x) which is the same thing as 2x^2. Can I keep going or do I just say that the limit does not exist?

    asked by Jasmine
  162. Math Problem

    simlify by removing factors of 1 (r^2-1)/(r+1)square 2

    asked by Lavern
  163. math

    Matt owns an ice cream shop and wants to know the volume of the sugar cones that he has in his shop. Find the approximate volume of the sugar cone if the radius is 4 cm and the height is 12 cm.

    asked by ale
  164. healthcare

    List 4 ways you can provide your supervisor with information about strategies that work for staff implementing service planning service delivery to clients at aged care?

    asked by Lisa
  165. chemistry

    can you show me step by step how to convert in.Hg to atm

    asked by fuzz
  166. maths

    prove that(cotx-tanx)cosx=cosec1x-2sinx

    asked by masta
  167. algebra

    r^3+216/r+6=

    asked by Anna
  168. math

    . Susan's room is 9 feet long. The area of the room is 54 square feet.What is the perimeter of her room?

    asked by Anonymous
  169. math

    4.10:1.90 in the form of n:1

    asked by osi
  170. ALGEBRA

    solve this system of equations and solve for triple pair: x+y+z=8 2y+4y+2z=26 -x+8y-3z=26

    asked by XOCHIL
  171. Intermediate Algebra

    Simplify. Show work.-(6a^8+0.2a^2-7)

    asked by sherry
  172. Math

    What is the number of revolutions in a 450pi radians

    asked by Josh
  173. healthcare

    how can a care staff contribute to the clients service delivery plan

    asked by Lisa
  174. MATH

    STEVE MIXES TOGETHER 1 6/8 GALLONS OF APPLEJUCIE, 1 3/8 OF ORANGEJUCIE, AND 1 1/8 GALLONS OF CRANBERRYJUCIE. HOW MUCH FRUIT DOES HE MAKE?

    asked by TERRENCE
  175. arithmetic

    how to solve x^2*x=8556

    asked by kishore
  176. physics--please help

    how do you find beat frequency?

    asked by sara
  177. Math

    How many 20" tiles is needed for a 1200 square feet room

    asked by Anthony
  178. math situation

    subtract and simplify by collecting like radical terms if possible 4ã8-2ã2

    asked by Sandra M
  179. math

    A lawn sprinkler covers a rectangular pattern of 20ft x 30ft. 1)If the flow rate of the sprinkler is 2.5 gpm, derive a formula for calculating the time (hours) to apply D inches of water over one 20ft x 30ft area. 2)What are the units on the constant?

    asked by Anil
  180. geometry

    Need help please: (3,0) (7,6) (x-7)2 + (y-6)2 = 7(2) (x-7)2 + (y-6)2 = 49

    asked by Kel
  181. math situation

    use rational exponents to write x 1/4.y 1/6.z 1/9 as a single radical expression

    asked by Sandra M
  182. math

    -7, -4, -1, 2 it is a mathematical sequence

    asked by alyssa