1. Calculus

    I am unsure of how to take the derivative of this equation. It may be the exponents that are giving me trouble but I'm not sure exactly. Find the equation of the tangent line to the curve 4e^xy = 2x + y at point (0,4). On the left side, is the "xy" the

    asked by Aurora on June 11, 2007
  2. Math

    I need help... I don't need the answer just how I would figure this out. Identify the hypotenuse of the triangle by giving its letter. It is a triangle with the left and bottom lines of the triangle as a right angle. The longest line of the triangle is the

    asked by Jewels on November 7, 2010
  3. Algebra

    When I asked you about the following problem:Solve 4sqrt(6x-2)>4 The first 4 is outside the square root sign and then (6x-2) is under the square root sign >4. You said to do the following. Divide by 4 to get sqrt(6x-2)>1 For this to happen, 6x-2>1 or

    asked by JayLynne-Mathmate please recheck on October 19, 2010
  4. calculus

    This is my last question, when I usually get problems like this the volume would be there and I would be able to solve it but this question is very confusing. A spherical iron ball is coated with a layer of ice of uniform thickness. If the ice melts at the

    asked by Barbara on January 3, 2009
  5. Math

    1) A helium balloon is rising according to the function H(t) = -7x^2 + 5x - 11 where h(t) is the height in meters after t seconds. Determine the average rates of increase of height from t=7 to t=23 seconds. I tried h(23) - h(7) ------------ 23-7 = * in

    asked by Dana on January 22, 2008
  6. calculus

    the management of a company has decided that the level of its investment should not exceed C dollars. Furthermore, managament has decided that the rate of net investment (the rate of change of the total capital invested) should be proportional to the

    asked by mari on April 10, 2012
  7. Math

    Help to solve problem A cube has an edge length of d. Point C is at the center of the top face of the cube. express the length of the path from vertez to vertex B to the center point C in terms of d. Use the idea that the square root of (N X N). Estimate

    asked by Ale on May 12, 2011
  8. Math

    1) A helium balloon is rising according to the function H(t) = -7x^2 + 5x - 11 where h(t) is the height in meters after t seconds. Determine the average rates of increase of height from t=7 to t=23 seconds. I tried h(23) - h(7) ------------ 23-7 = * in

    asked by Dana on January 23, 2008
  9. math

    2.FIND THE TRADE DISCOUNT cost price = RM1780 rate of trade discounot = 30%,10% and 5% as we know to get trade discount is= list price X trade disount rate so i do : RM1780x0.3xo.1xo.o5 = RM2.67 BUT in my book the answer is RM714.67. WHAT the step or

    asked by fizz on April 26, 2014
  10. statistics/normal distribution

    If np is greater than or equal to 5, and nq is greater than or equal to 5, estimate P(fewer than 8) with n =14 and p = 0.6 by using the normal distribution as an approximation to the binomial distribution; if np < 5 or nq < 5, then state that the normal

    asked by slomomo on February 25, 2015
  11. human resources

    I wanted to know what is Walmart Internal Consistency ? Employee's goal that work in walmart Employer's goal ( walmart) Goverment's goal toward walmart? and Laws That Guide Discretionary Employee Benefits of Walmart.

    asked by Lana on October 16, 2011
  12. Chemistry

    I'm having trouble trying to figure out how to setup and solve these problems: 1) 2,600.0 mL of air is at 20.0C. What is the volume at 60.0C? 2) A gas occupies 900.0 mL at a temperasture of 27.0C. What is the volume at 132.0C? 3) What change in volume

    asked by Austin on March 19, 2014
  13. Chemistry

    A dime is found to have a mass of 2.33 grams. Using unit analysis, show what the mass of this dime is in kilograms. 2.33 grams x ________ _______ (number) (unit) ________________________________________________ ________ ________ (number) (unit) = ? ___ kg

    asked by Anonymous on July 3, 2017
  14. Computer Science / programming

    Show the contents of each register and or memory location used after each instruction. MOV BH,33 BH=33 MOV [0500],BH BH=33, [0500]=33 MOV CL,66 CL=66 MOV [050],CL CL=66, [050]=66 MOV SI,0500 SI=0500 MOV BX,7643 BX=7643 ADD [SI],BX SI=0500, [0500]=76

    asked by Eren A on November 2, 2014
  15. Math

    1.(A)(i)Show that 2+4+6+8+..+2n=n(n+1). (ii)Find the sum of the first 200 even numbers. (iii)Find the sum of the first 200 odd numbers. (B)(i)Use the formula at the beginning of the question to find the sum of the first 2n natural numbers. (ii)Find a

    asked by arzam on November 9, 2013
  16. physics

    A 1.80 mol sample of an ideal diatomic gas at a pressure of 1.20 atm and temperature of 410 K undergoes a process in which its pressure increases linearly with temperature. The final temperature and pressure are 710 K and 1.83 atm. (Note: Volume does not

    asked by Nik on September 18, 2008
  17. physics

    A crane lifts a concrete hopper of mass 370 kg from the ground to the top of a 38 m building that is under construction. The hopper moves with a constant speed during the lift. The power rating of the crane motor is 8.2 kiloWatts. How much work does the

    asked by sam on February 20, 2011
  18. Math

    Please help me. You work every Sunday in the yard from 8:00 A.M. To 11:30 A.M. Draw a diagram that shows the rotation completed by the hour hand of a clock during this time. Find the measure of the angle generated by the hour hand in both degrees and

    asked by Stephanie on September 18, 2016
  19. Chemistry

    How is the chemistry of water important to chemical reactions that support life? What does cohesion and polarity have to do with the chemical reactions and chemicals necessary for life? Does the cohesion have to do with it sticking together into molecules,

    asked by chemistrycat on May 3, 2018
  20. chemistry

    Consider a mixture of air and gasoline vapor in a cylinder with a piston. The original volume is 40. cm^3. If the combustion of this mixture releases 950. J of energy, to what volume will the gas expand against a constant pressure of 650. torr if all the

    asked by maath on December 23, 2018
  21. calculus

    Consider a differentiable functionf having domain all positive real numbers, and for which it is known that f'(x)=(4-x)^-3 for x.0 a. find the x-coordinate of the critical point f. DEtermine whether the point is a relative maximum or minomum, or neither

    asked by bill on February 25, 2012
  22. Physics

    Three charges are arranged in an equilateral triangle with sides of 4 cm. The coordinates and corresponding charge values are as follows: +4q at (-2,0); +2q at (2,0); -q at (0,3.464). The elementary charge of an electron is given by q = -1.602 x 10^-19 C.

    asked by Jonny on May 4, 2011
  23. Statistics

    20. A study involves measuring the number of days absent from work for 216 employees of a large company during the preceding year. As part of the results, the researcher reports, “The number of days absent during the preceding year (M = 9.21; SD = 7.34)

    asked by Katie on September 17, 2011
  24. College Mathematics

    You are paid a modest retainer of $325 to be on call for one week each month. Your hourly pay rate is $18. You are scheduled to work 38 hours the week you are on retainer. Your employer is required to deduct a total of 22% from your pay. a) What do you

    asked by Carmen on September 7, 2010
  25. tv/media analysis

    I need a good topic for an advertisement parody. heres the assignment: Create your own parody of a national print advertisement, one that will not only get the audience's attention but will subvert the original purpose of the ad. Most good ad parodies are

    asked by brandon duncan on January 19, 2011
  26. math

    The Standard blend of coffee uses 4 oz arabica beans and 12 oz of robusta beans per package; the Deluxe blend uses 10 oz of arabica beans and 6 oz of robusta beans per package. The merchant has 80 lbs. of arabica beans and 90 lbs. of robusta beans

    asked by anonymous on April 11, 2014
  27. Financial Management

    I need to know how to find the fixed cost and the variable cost along with the break even point using this information. During the sixth month of the fiscal year, the program director of the Westchester Home-Delivered Meals (WHDM) program decides to again

    asked by Sandi on August 16, 2010
  28. Maths

    Mrs Smith pays kate for babysitting by giving her 10 cents for the first-half hour, 20 cents for the second half-hour, 40 cents for the third half-hour etc. How long does she work to earn $12.70?

    asked by Annabella Richards on June 20, 2011
  29. Math

    1.)A picture 8 in. by 12 in. is placed in a frame which has a uniform width. if the area of the frame is equal to the area of the picture, find the dimension of the frame 2.)Arman has 1160 annual income from bonds bearing 3% and 5 % interest. then he added

    asked by Lewis on October 7, 2013
  30. Math help!! for finals

    1.)A picture 8 in. by 12 in. is placed in a frame which has a uniform width. if the area of the frame is equal to the area of the picture, find the dimension of the frame 2.)Arman has 1160 annual income from bonds bearing 3% and 5 % interest. then he added

    asked by Lewis on October 7, 2013
  31. Math

    In an episode of the Andy Griffith Show, Mayberry resident Frank Myers almost lost his home to taxes owed. Luckily, Sheriff Andy Taylor found an old town bond that belonged to Frank. The bond's original value was $100 paying 8.5% interest compounded

    asked by Shelly on November 26, 2017
  32. Chemistry

    25cm cubes of potassium hydroxide was prepared by dissolving 11.2grams of potassium hydroxide in 250cm cubes of distilled water, was found to exactly neutralize 20cm cubes of a certain hydrochloric acid solution . Find the molarity of the acid in moles/dm

    asked by Naomi on November 27, 2018
  33. Physics

    The base of a record player is a disk that has a mass of 2 kg and a diameter of 34 cm. A child spins it so it rotates at a constant rate of 50 times a minute. Neglect friction and all that stuff that complicates problems! Then, the child drops on a record

    asked by tyger2020 on December 10, 2018
  34. Calculus

    The horizontal position of an object from a point of origin in meters is modeled by the function x(t)= (1+sin(t))/(2+cos(t)) where t is measured in minutes and 0 is less than or equal to t which is less than or equal to 5. A) show that x(t)= (2cos(t)+sin

    asked by Rodger on December 19, 2016
  35. Ap Biology

    Unprotected skin cells mutate at a rate of 20% when exposed to 10 rads of UV radiation. A group of scientists tested whether Sun Screen X will decrease the mutation rate. 1100 cells were tested, exposed and counted. Only 200 cells had mutated, 900 cells

    asked by Gentics problem on February 4, 2016
  36. Maths - Reiny

    Show that the equation 3x^2 - x^3 + 3 = 0 can be rearranged to give: x = 3 + 3 ---- x^2 x^3 = Divide by ? = x = 3 + 3 ---- x^2 Using Xn+1 = 3 + 3 with x0 = 3.2 ---- x^2n find the values of x1 x2 and x3? What to the values of x1 x2 and x3 represent? The

    asked by Elle on January 3, 2017
  37. Physics

    Fig.19 shows a crane lifting a car of mass 850 kg at constant velocity through a height of 12m in a time of 40s. The crane has a working efficiency of 60%. i) Calculate the tension in the lifting cable (in N) ii) Calculate the total input power required by

    asked by cake on November 14, 2017
  38. Chemistry

    Rubbing alcohol is a 90 mass % solution of isopropyl alcohol, C3H8O, in water. How many grams of rubbing alcohol contains 20.0 g of isopropyl alcohol?

    asked by Tasha on February 1, 2011
  39. math

    if the inequality is: (x+5/x-2)>0 . "x-5 over x-2 greater or equal to 0". What would be the solution? a.(-infinity sign, -5] U (2, infinity sign) b.(-5,2) c.(-infinity sign, -5) U [2, infinity sign) d.[-5,2] My answer was C. Am I correct?

    asked by kim on October 31, 2014
  40. chemistry

    what is the freezing point of a solution of 12.0 g of CCl4 dissolved in 750.0g of benzene? the freezing point of benzene is 5.48 degrees C ; Kf is 5.12 degrees c/m.

    asked by Kim on April 28, 2010
  41. Algebra - Equations

    If 3xy = 9xz = 12yz = 1, what is the value of x, y, and z? This is just a set of 3 equations: 3xy=1 9xz=1 12yz=1 ⇒(18xyz)^2=1 ⇒ xyz = ± 1/18 ⇒ (x,y,z) = ±(2/3,1/2,1/6) PLEASE TELL ME HOW DID THE SOLUTION CAME UP WITH xyz = ± 1/18 and (x,y,z) =

    asked by Raz on September 4, 2013
  42. College Math

    Another question which is confusing. The position of an object moving in a straight line is give by s=2t^2-3t, where is s in metres and t is the time in seconds the object has been in motion.. how long will it is take the object to move 6 meters? I first

    asked by HM on September 29, 2011
  43. trig

    A city averages 14 hours of daylight in June, 10 in December, 12 in both March and September. Assume that the number of hours of daylight varies sinusoidally over a period of one year. Write an expression for n, the number of hours of daylight, as a cosine

    asked by Kelslie on May 4, 2009
  44. Healthcare management

    What is the result when the human resources department is given too much responsibility for the day-today management of employees? A. The employees are happier and more productive. B. The supervisor isn't seen as the boss and has trouble managing the

    asked by Anonymous on September 24, 2017
  45. chemistry

    The indicator methyl red has a pKhln=4.95 . It changes from red to yellow over the pH range from 4.4 to 6.2. If the indicator is placed in a buffer solution of Ph = 4.56, what percent of the indicator will be present in the acid form,Hln- , AND what

    asked by Carmel R. on April 14, 2011
  46. chemistry

    Compute the vapor pressure of water above a solution formed by dissolving 25.00 grams of magnesium sulfate, MgSO4 (MM=120.3) in 95.00 grams of water at 338K. The vapor pressure of pure water at 338K is 188.0 torr.

    asked by Aimee on February 23, 2009
  47. Chemistry

    The freezing point of a cyclohexane sample is 6.20*C. A soltuion is prepared by dissolving 0.4660g of an unknown solute in 36.0g cyclohexane. The freezing point of the solution if 4.11*C. Calculate the molar mass of the unknown solute. Kf for cyclohexane

    asked by K on March 14, 2011
  48. chemistry

    if i mix 15ml of ethanol and 5ml of water into 20ml vol flask. Mass of flask with solution is 50g and mass of empty flask is 40g. How do i calculate the density of ethanol and density of water separately

    asked by blasting on February 10, 2010
  49. chemistry

    Calculate the molarity and mole fraction of acetone in a 1.29 m solution of acetone (CH3COCH3) in ethanol (C2H5OH). (Density of acetone = 0.788 g/cm3; density of ethanol = 0.789 g/cm3.) Assume that the volumes of acetone and ethanol add.

    asked by sarah on January 20, 2011
  50. Chemistry

    Biphenyl, C12H10, is a nonvolatile, nonionizing solute that is soluble in benzene, C6H6. At 25 °C, the vapor pressure of pure benzene is 100.84 torr. What is the vapor pressure (in torr) of a solution made from dissolving 16.6 g of biphenyl in 26.0 g of

    asked by Ocean on January 23, 2013
  51. science(chem)

    For Mass-Balance eqzns, in my text it is described as "relating the equillibrium concentrations of various species in a solution to one another and to the analytical concentrations of the various solutes. Is the analytical concentration described, the

    asked by christina on July 15, 2007
  52. chemistry

    The acidity of a water with initial pH of 5.5 was tested using the following procedure: The pH of a volume of 50.00 mL water sample was adjusted to 4.0 using 5 mL 0.1 N H2SO4 solution. Then this sample was titrated using 0.2 N NaOH. After addition of 7 mL

    asked by damon on July 13, 2019
  53. (expi)^i

    This question is not well defined. By 'expi' do you mean exp(i)? In other words, is the expression [exp(i)]^i ? If so, then the answer is undoubtedly exp(-1). You can use Euler's equation to show this, but it is much easier to use this fact about

    asked by DrPhysics on March 3, 2007
  54. Physics

    Many hot-water heating systems have a reservoir tank connected directly to the pipeline, so as to allow for expansion when the water becomes hot. The heating system of a house has 74 m of copper pipe whose inside radius is 9.10 10-3 m. When the water and

    asked by Maggie on April 6, 2008
  55. Algebra

    Use the above graph of f(x) to complete the following table for values of its inverse function, f^{-1}(x). The graph has a point on (2,2)the y-intercept is 4 the x intercept is 3 x =-4, 8, 0, -2, 2 f^{-1}(x) Note: You can earn partial credit on this

    asked by kim on June 7, 2015
  56. Math

    a cylinder has a radius of r and a height of h. A rectangular box has a length of r, a width of h and height of h. Their combined volume is V=πr^2h+h^2r If their combined volume is 600 cubic inches and h is 5 inches, solve for the radius(r).

    asked by Nancy on April 29, 2012
  57. math

    an average person's heart beats about 103, 680 times a day. write and solve an equation to find about how many times the average person's heart beats in a minute

    asked by poop on February 3, 2015
  58. Math

    When Carla looked out at the school parking lot, she noticed that for every 2 minivans, there were 5 other types of vehicles. If there are 39 vehicles in the parking lot, how many of them are not minivans? I am confused on how to solve this problem. I need

    asked by Taylor on December 6, 2016
  59. pre-calculus-check over work

    1). change to exponential form: log2^256=8; 2^8=256 log0.0001=-4; 10^-4=0.0001 2). change to logarithmic form: 5^3=125; log5^125=3 4^-3=1/64; log4^1/64=-3 3). solve the equation: 3^(x-2)=27^(x+1) 3^(x-2)=(3^3)^(x+1) 3^(x-2)=3^(3x+3) x-2=3x+3 -5=2x -5/2=x

    asked by riya on April 21, 2008
  60. Algebra

    1.Solve | x-1/5|=3 A.x=-14/5 or x=16/5 ***** B.x=14/5 or x=-16/5 C.x=-14/5 or x=-16/5 D.x=14/5 or x=16/5 2.The table shows the relationship between two variables. Which selection describes the relationship? X=1, 2, 3, 4 Y=2, -3, -8, -13 A.increasing;

    asked by GummyBears on December 15, 2015
  61. Math

    At noon, a hot air balloon was at an elevation of 2,400 feet. One hour later it was at an elevation of 1,400 feet. A: write an expression you can use to find the altitude from noon to one. B: solve the expression. i am not sure what to do on this.

    asked by Reece on October 7, 2014
  62. algebra

    HOW DO SOLVE A BOAT TRAVELED 336 MILES DOWNSTREAM AND BACK. THE TRIP DOWNSTREAM TOOK 12 HOURS. THE TRIP BACK TOOK 14 HOURS. WHAT IS THE SPEED OF THE BOAT IN STILL WATER? WHAT IS THE SPEE OF THE CURRENT

    asked by JAMES' on November 8, 2010
  63. math

    kyle spent 3 hours each day for 4 days making a song. Write and solve an equation to find the number of total hours Kyle spent making his song

    asked by Anonymous on February 16, 2012
  64. Chemistry II

    What volume of .100 M NaOH will react completely with 21.00 mL of .500 M HCl? Vb*ConcBase= Vacid*ConcAcid Solve for Vb. 21.00 mL x .500 M HCl = 1.05e1 1.05e1 / .100 M NaOH = 1.05e2 right.

    asked by Jayd on April 25, 2007
  65. algebra

    The formula b=30a is used in New England to estimate the minimum furnace output,b, in BTU's for a modern house with a sq ft of living, determine the minimum furnace output in BTU's and solve for formula a

    asked by elaine on December 22, 2009
  66. Physics

    A gas with initial conditions p_i, V_i, and T_i expands isothermally until V_f=6 V_i. What are (a) T_f and (b) p_f? 1)T_f/T_i= 2)p_f/p_i= I don't know how to solve this

    asked by Lizzie on August 14, 2011
  67. Physics

    Some stoves use the heat produced by current flowing through a conductor. If the heating element (conductor) has a resistance of 30 ohms, how long will the burner have to work to heat 500 g of 30°C water up to its boiling point? The specific heat of water

    asked by Ellie on February 7, 2017
  68. Calculus/physics

    Calculate the work (in joules) required to pump all of the water out of the tank. Assume that the tank is full, distances are measured in meters, and the density of water is 1,000 kg/m^3. Water exits from a small hole at the top of the rectangular box. The

    asked by Jake on February 2, 2010
  69. Statistics

    Suppose a certain species bird has an average weight ofx=3.55 grams. Based on previous studies, we can assume that the weights of these birds have a normal distribution with 0=0.37 grams. For a small group of 15 birds, find the margin of error for a 70%

    asked by Jacob on June 17, 2010
  70. LA

    In "All Together Now," Jordan uses appeals to emotion and appeals to reason to try to persuade her readers that her views are important. In a paragraph, cite one example of each kind of appeal in her work. Then, explain whether you find Jordan's appeals

    asked by Wishwash on November 13, 2017
  71. physics

    Batman, whose mass is 119 kg, is holding on to the free end of a 14.6 m rope, the other end of which is fixed to a tree limb above. He is able to get the rope in motion as only Batman knows how, eventually getting it to swing enough that he can reach a

    asked by ali on February 25, 2011
  72. Chemistry

    I really don't understand this question. How do I work it out? Pure acetic acid, HC2H3O2 has the following characteristics: mp = 14.6 degrees C bp = 167.3 degrees C deltaHc = 274 j/g deltaHv = 1621 j/g Cp (s) = 1.72 J/g degrees C Cp (l) = 2.83 J/g degrees

    asked by Eric on October 4, 2007
  73. Plz Help

    You I'm entering this contest Scholastic Arts and Writing Award, and I'm a bit confused so I have to register online, then fill out a form since I'm doing it and mail my art work and writing in???? I check the site but I'm confused. I'm in 7th grade by the

    asked by Laruen on November 27, 2011
  74. ENGLISH

    we had to take this news lead and turn it into a broadcast sentence PORTAGE, MI — The Portage Public Schools Board of Education said former Superintendent Richard Perry engaged in several acts of misconduct all stemming from his “extramarital affair”

    asked by Blaze on January 23, 2013
  75. Physics

    A meteor has a speed of 90.0 m/s when 900 km above the Earth. It is falling vertically (ignore air resistance) and strikes a bed of sand in which it is brought to rest in 3.19 m. (a) What is its speed before striking the sand? (b) How much work does the

    asked by Anonymous on February 26, 2014
  76. PHYSICS PLEASE HELP BILLY!!! there are about thr

    A 10.2 kg crate is pulled up a rough incline with an initial speed of 1.5 m/s. The pulling force is 123.0 N parallel to the incline, which makes an angle of 14.6◦ with the horizontal. The coecient of kinetic friction is 0.39 and the crate is pulled a

    asked by billy on October 13, 2008
  77. Calculus

    A trough is 3 feet long and 1 foot high. The vertical cross-section of the trough parallel to an end is shaped like the graph of x^2 from -1 to 1 . The trough is full of water. Find the amount of work required to empty the trough by pumping the water over

    asked by Ryan on September 29, 2012
  78. calculus

    Calculate the work (in joules) required to pump all of the water out of the tank. Assume that the tank is full, distances are measured in meters, and the density of water is 1,000 kg/m^3. Water exits from a small hole at the top of the rectangular box. The

    asked by Jake on February 1, 2010
  79. Calculus

    Calculate the work (in joules) required to pump all of the water out of the tank. Assume that the tank is full, distances are measured in meters, and the density of water is 1,000 kg/m^3. Water exits from a small hole at the top of the rectangular box. The

    asked by Jake on February 1, 2010
  80. physics

    Three applied forces, F1= 20.0 N, F2= 40.0 N, and F3 = 10.0 N act on an object with a mass of 2.00 kg which can move along an inclined plane as shown in the figure. The questions refer to the instant when the object has moved 0.600 m along the surface of

    asked by naf on November 7, 2012
  81. English

    1. identify the adjective phrase in this sentence. The rice in the pot is not yet completely cooked. **Completely cooked 2. The convertible in the garage has only 20000 miles on it. **only 20000 miles 3. Identify the word that the capitalize adective

    asked by Anonymous on May 23, 2015
  82. chemistry lab (college level)

    So, this is going to be more like 2 or 3 questions. Here goes. First, what is the net-ionic reaction for Fe (III) + K4Fe(CN)6 be? I've been agonizing over this for HOURS with no answer in sight. (I don't even know what to put down as a product!) Second,

    asked by Tichele on April 9, 2011
  83. physics

    a child on a beach kicks a beach ball, giving it an initial velocity of 4.0m/s.It was sitting on the ground when given the kick. The ball lands on the beach 5.0 m away with a speed of 2.2 m/s just before it hits. the final landing place is at the same

    asked by bec on November 7, 2011
  84. Chemistry

    Question: Chloroform, CHCl3, a volatile liquid was once used an anesthetic but has ben replaced by safer compounds. chloroform has a normal boiling point at 61.7 degree C and has a heat of vaporization of 31.4 kj/mol. compute its vapor pressure at 36.2

    asked by eliz on March 16, 2009
  85. chemistry

    Thermochemistry: 1. Calculate the amount of heat required to decompose 3.5 moles of sodium bicarbonate. 2NaHCO3 + 129 kJ  Na2CO3 + H2O + CO2 In this question, the heat of the reaction is part of the question instead of being written beside it- (What's

    asked by Bethany on March 17, 2015
  86. Physics help

    Find the differential equation of motion for a gravitational pendulum of mass m and length a by using the fact that the torque of its weight relative to the point of suspension is equal to the time derivative its angular momentum. Solve this equation to

    asked by Daniel on December 27, 2015
  87. math

    ) A wierd number is a number that is the product of two consecutive primes, such as 7x11=77 . What is the least common multiple of the 5 smallest wierd number 7) According to an ancient belief, when a friend visits a sick person, 1/70 of his sickness is

    asked by brenton atcheson on February 25, 2007
  88. COOP Exam?? (practice)

    Is there any online COOP exam I can practice to pass that COOP exam I'm taking (I'm applying to catholic high school. It's a private school). This what it will be on the exam: Test 1 Sequences This test measures the student’s ability to comprehend a rule

    asked by Laruen on April 20, 2013
  89. META!!!

    what are advantages and disadvantages of using meta search services? http://www.sou.edu/library/searchtools/ 1. Go through the different articles in the section entitled HOW TO SEARCH THE INTERNET. 2. Then try out some of the search engines in the

    asked by jen on November 30, 2006
  90. Calculus

    SOS...help!!! please email me at 969e221 at g mail. com here is the question: Find the trapezoid of largest area that can be inscribed in the upper half of the ellipse x2/9 + y2/4 = 1 where the lower base of the trapezoid is on the x-axis and is 6 units

    asked by Buster on May 7, 2014
  91. Algebra

    The officejet printer can copy sues dissertation in 16 minutes. The laser printer can copy the same document in 22 minutes. If the two machines work together, how long would they take to copy the dissertation?

    asked by Lisa on February 11, 2012
  92. Algebra

    The officejet printer can copy sues dissertation in 16 minutes. The laser printer can copy the same document in 22 minutes. If the two machines work together, how long would they take to copy the dissertation?

    asked by Lisa on February 11, 2012
  93. Math Practice Worksheets

    Hi! My son Zakeri is having trouble with polynomials. Could yp please provide some worksheets for my son Zakeri to work on? He's been having trouble with polynomials lately. Thank you! Nancy and Daniel Hamilton (Zakeri's parents)

    asked by Nancy Hamilton (Zakeri H's Mom) on June 10, 2016
  94. Algebra 2

    It takes you 3 hours to mow a lawn & it takes your sister 2 hours to mow the same lawn. How long does it take the two of you to mow 12 lawns if you work together? Whats the answer? Helpppp

    asked by Michael on August 24, 2014
  95. physics/calc

    An anchor weighing 110 lb in water is attached to a chain weighing 2 lb/ft in water. Find the work done to haul the anchor and chain to the surface of the water from a depth of 35 ft.

    asked by j on March 21, 2014
  96. algebra

    The OfficeJet printer can copy Maria's dissertation in 18 min. The LaserJet printer can copy the same documents in 14 min. If the two machines work together, how long would they take to copy the dissertation?

    asked by kathy on March 10, 2010
  97. algebra

    the officejet printer can copy maria's dissertation in 18 min. The laserjet printer can copy the same document in 22 min. If the two machines work together, how long would they take to copy the dissertation?

    asked by diana on October 17, 2010
  98. Geometry

    The midpoint of Line Segment AB is (2,-9). The coordinates of one endpoint are A(4,10). Find the coordinates of endpoint B. Can someone please check my work and tell me if my answer is correct. Step 1: 2x-9= 4x+10 2x-9= 10 2x= 1 Step 2: AB= 2x-9 =2(1)-9

    asked by Kaoru on September 29, 2017
  99. math

    the officejet printer can copy Janet's dissertation in 10 minutes. The laserjet printer can print the same copy in 20 minutes. If the two machines work together, how long would they take to copy the dissertation?

    asked by jen on March 9, 2010
  100. calc

    consider the function f(x)=x^3 - x^2 - 3x -2. find the average slope of this function on the interval (-2,3). by the mean value theorem, we know there exists a c in the open interval (-2,3) such that f'(c) is equal to this mean slope. find the two values

    asked by matt on March 16, 2012

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